9P FILE SYSTEM
M: Eric Van Hensbergen <ericvh@gmail.com>
-M: Ron Minnich <rminnich@sandia.gov>
M: Latchesar Ionkov <lucho@ionkov.net>
+M: Dominique Martinet <asmadeus@codewreck.org>
L: v9fs-developer@lists.sourceforge.net
W: http://swik.net/v9fs
Q: http://patchwork.kernel.org/project/v9fs-devel/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs.git
+T: git git://github.com/martinetd/linux.git
S: Maintained
F: Documentation/filesystems/9p.txt
F: fs/9p/
S: Maintained
F: drivers/acpi/arm64
+ACPI I2C MULTI INSTANTIATE DRIVER
+M: Hans de Goede <hdegoede@redhat.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/i2c-multi-instantiate.c
+
ACPI PMIC DRIVERS
M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
M: Len Brown <lenb@kernel.org>
AGPGART DRIVER
M: David Airlie <airlied@linux.ie>
-T: git git://people.freedesktop.org/~airlied/linux (part of drm maint)
+T: git git://anongit.freedesktop.org/drm/drm
S: Maintained
F: drivers/char/agp/
F: include/linux/agp*
F: drivers/crypto/ccp/
F: include/linux/ccp.h
+AMD DISPLAY CORE
+M: Harry Wentland <harry.wentland@amd.com>
+M: Leo Li <sunpeng.li@amd.com>
+L: amd-gfx@lists.freedesktop.org
+T: git git://people.freedesktop.org/~agd5f/linux
+S: Supported
+F: drivers/gpu/drm/amd/display/
+
AMD FAM15H PROCESSOR POWER MONITORING DRIVER
M: Huang Rui <ray.huang@amd.com>
L: linux-hwmon@vger.kernel.org
F: drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
F: drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
F: drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
+F: drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
F: drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
F: drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
F: drivers/gpu/drm/amd/amdkfd/
F: drivers/gpu/drm/amd/include/cik_structs.h
F: drivers/gpu/drm/amd/include/kgd_kfd_interface.h
F: drivers/gpu/drm/amd/include/vi_structs.h
+F: drivers/gpu/drm/amd/include/v9_structs.h
F: include/uapi/linux/kfd_ioctl.h
+AMD POWERPLAY
+M: Rex Zhu <rex.zhu@amd.com>
+M: Evan Quan <evan.quan@amd.com>
+L: amd-gfx@lists.freedesktop.org
+S: Supported
+F: drivers/gpu/drm/amd/powerplay/
+T: git git://people.freedesktop.org/~agd5f/linux
+
AMD SEATTLE DEVICE TREE SUPPORT
M: Brijesh Singh <brijeshkumar.singh@amd.com>
M: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
F: drivers/net/ethernet/amd/xgbe/
F: arch/arm64/boot/dts/amd/amd-seattle-xgbe*.dtsi
-AMS (Apple Motion Sensor) DRIVER
-M: Michael Hanselmann <linux-kernel@hansmi.ch>
+ANALOG DEVICES INC AD5686 DRIVER
+M: Stefan Popa <stefan.popa@analog.com>
+L: linux-pm@vger.kernel.org
+W: http://ez.analog.com/community/linux-device-drivers
+S: Supported
+F: drivers/iio/dac/ad5686*
+F: drivers/iio/dac/ad5696*
+
+ANALOG DEVICES INC AD5758 DRIVER
+M: Stefan Popa <stefan.popa@analog.com>
+L: linux-iio@vger.kernel.org
+W: http://ez.analog.com/community/linux-device-drivers
S: Supported
-F: drivers/macintosh/ams/
+F: drivers/iio/dac/ad5758.c
+F: Documentation/devicetree/bindings/iio/dac/ad5758.txt
ANALOG DEVICES INC AD9389B DRIVER
M: Hans Verkuil <hans.verkuil@cisco.com>
S: Maintained
F: drivers/media/i2c/ad9389b*
+ANALOG DEVICES INC ADGS1408 DRIVER
+M: Mircea Caprioru <mircea.caprioru@analog.com>
+S: Supported
+F: drivers/mux/adgs1408.c
+F: Documentation/devicetree/bindings/mux/adgs1408.txt
+
ANALOG DEVICES INC ADV7180 DRIVER
M: Lars-Peter Clausen <lars@metafoo.de>
L: linux-media@vger.kernel.org
F: arch/arm/boot/dts/owl-*
F: arch/arm64/boot/dts/actions/
F: drivers/clocksource/owl-*
+F: drivers/pinctrl/actions/*
F: drivers/soc/actions/
F: include/dt-bindings/power/owl-*
F: include/linux/soc/actions/
F: Documentation/devicetree/bindings/arm/actions.txt
+F: Documentation/devicetree/bindings/pinctrl/actions,s900-pinctrl.txt
F: Documentation/devicetree/bindings/power/actions,owl-sps.txt
F: Documentation/devicetree/bindings/timer/actions,owl-timer.txt
M: Sascha Hauer <s.hauer@pengutronix.de>
R: Pengutronix Kernel Team <kernel@pengutronix.de>
R: Fabio Estevam <fabio.estevam@nxp.com>
+R: NXP Linux Team <linux-imx@nxp.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-mediatek@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: drivers/phy/mediatek/phy-mtk-tphy.c
+F: drivers/phy/mediatek/
+F: Documentation/devicetree/bindings/phy/phy-mtk-*
ARM/MICREL KS8695 ARCHITECTURE
M: Greg Ungerer <gerg@uclinux.org>
F: arch/arm/boot/dts/nuvoton-npcm*
F: include/dt-bindings/clock/nuvoton,npcm7xx-clks.h
F: drivers/*/*npcm*
-F: Documentation/*/*npcm*
+F: Documentation/devicetree/bindings/*/*npcm*
+F: Documentation/devicetree/bindings/*/*/*npcm*
ARM/NUVOTON W90X900 ARM ARCHITECTURE
M: Wan ZongShun <mcuos.com@gmail.com>
F: drivers/tty/serial/msm_serial.c
F: drivers/*/pm8???-*
F: drivers/mfd/ssbi.c
-F: drivers/firmware/qcom_scm.c
+F: drivers/firmware/qcom_scm*
T: git git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux.git
ARM/RADISYS ENP2611 MACHINE SUPPORT
T: git git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
S: Maintained
F: arch/arm64/
+X: arch/arm64/boot/dts/
F: Documentation/arm64/
AS3645A LED FLASH CONTROLLER DRIVER
S: Maintained
F: drivers/leds/leds-as3645a.c
+ASAHI KASEI AK7375 LENS VOICE COIL DRIVER
+M: Tianshu Qiu <tian.shu.qiu@intel.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/ak7375.c
+F: Documentation/devicetree/bindings/media/i2c/ak7375.txt
+
ASAHI KASEI AK8974 DRIVER
M: Linus Walleij <linus.walleij@linaro.org>
L: linux-iio@vger.kernel.org
F: drivers/gpio/gpio-ath79.c
F: Documentation/devicetree/bindings/gpio/gpio-ath79.txt
+ATHEROS 71XX/9XXX USB PHY DRIVER
+M: Alban Bedel <albeu@free.fr>
+W: https://github.com/AlbanBedel/linux
+T: git git://github.com/AlbanBedel/linux
+S: Maintained
+F: drivers/phy/qualcomm/phy-ath79-usb.c
+F: Documentation/devicetree/bindings/phy/phy-ath79-usb.txt
+
ATHEROS ATH GENERIC UTILITIES
M: Kalle Valo <kvalo@codeaurora.org>
L: linux-wireless@vger.kernel.org
F: drivers/scsi/esas2r
ATUSB IEEE 802.15.4 RADIO DRIVER
-M: Stefan Schmidt <stefan@osg.samsung.com>
+M: Stefan Schmidt <stefan@datenfreihafen.org>
L: linux-wpan@vger.kernel.org
S: Maintained
F: drivers/net/ieee802154/atusb.c
AUXILIARY DISPLAY DRIVERS
M: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com>
-W: http://miguelojeda.es/auxdisplay.htm
-W: http://jair.lab.fi.uva.es/~migojed/auxdisplay.htm
S: Maintained
F: drivers/auxdisplay/
F: include/linux/cfag12864b.h
+AVIA HX711 ANALOG DIGITAL CONVERTER IIO DRIVER
+M: Andreas Klinger <ak@it-klinger.de>
+L: linux-iio@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/iio/adc/avia-hx711.txt
+F: drivers/iio/adc/hx711.c
+
AX.25 NETWORK LAYER
M: Ralf Baechle <ralf@linux-mips.org>
L: linux-hams@vger.kernel.org
M: Lee Jones <lee.jones@linaro.org>
M: Daniel Thompson <daniel.thompson@linaro.org>
M: Jingoo Han <jingoohan1@gmail.com>
+L: dri-devel@lists.freedesktop.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight.git
S: Maintained
F: drivers/video/backlight/
L: linux-kernel@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
+Q: https://patchwork.ozlabs.org/project/netdev/list/?delegate=77147
S: Supported
F: arch/x86/net/bpf_jit*
F: Documentation/networking/filter.txt
F: Documentation/bpf/
F: include/linux/bpf*
F: include/linux/filter.h
-F: include/trace/events/bpf.h
F: include/trace/events/xdp.h
F: include/uapi/linux/bpf*
F: include/uapi/linux/filter.h
F: net/sched/cls_bpf.c
F: samples/bpf/
F: tools/bpf/
+F: tools/lib/bpf/
F: tools/testing/selftests/bpf/
BROADCOM B44 10/100 ETHERNET DRIVER
N: bcm586*
N: bcm88312
N: hr2
-F: arch/arm64/boot/dts/broadcom/ns2*
+N: stingray
+F: arch/arm64/boot/dts/broadcom/northstar2/*
+F: arch/arm64/boot/dts/broadcom/stingray/*
F: drivers/clk/bcm/clk-ns*
+F: drivers/clk/bcm/clk-sr*
F: drivers/pinctrl/bcm/pinctrl-ns*
+F: include/dt-bindings/clock/bcm-sr*
BROADCOM KONA GPIO DRIVER
M: Ray Jui <rjui@broadcom.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
T: git git://git.alsa-project.org/alsa-kernel.git
S: Maintained
-F: Documentation/sound/alsa/Bt87x.txt
+F: Documentation/sound/cards/bt87x.rst
F: sound/pci/bt87x.c
BT8XXGPIO DRIVER
F: Documentation/filesystems/caching/cachefiles.txt
F: fs/cachefiles/
+CADENCE MIPI-CSI2 BRIDGES
+M: Maxime Ripard <maxime.ripard@bootlin.com>
+L: linux-media@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/media/cdns,*.txt
+F: drivers/media/platform/cadence/cdns-csi2*
+
CADET FM/AM RADIO RECEIVER DRIVER
M: Hans Verkuil <hverkuil@xs4all.nl>
L: linux-media@vger.kernel.org
M: David Woodhouse <dwmw2@infradead.org>
L: keyrings@vger.kernel.org
S: Maintained
-F: Documentation/module-signing.txt
+F: Documentation/admin-guide/module-signing.rst
F: certs/
F: scripts/sign-file.c
F: scripts/extract-cert.c
CFAG12864B LCD DRIVER
M: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com>
-W: http://miguelojeda.es/auxdisplay.htm
-W: http://jair.lab.fi.uva.es/~migojed/auxdisplay.htm
S: Maintained
F: drivers/auxdisplay/cfag12864b.c
F: include/linux/cfag12864b.h
CFAG12864BFB LCD FRAMEBUFFER DRIVER
M: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com>
-W: http://miguelojeda.es/auxdisplay.htm
-W: http://jair.lab.fi.uva.es/~migojed/auxdisplay.htm
S: Maintained
F: drivers/auxdisplay/cfag12864bfb.c
F: include/linux/cfag12864b.h
CISCO VIC LOW LATENCY NIC DRIVER
M: Christian Benvenuti <benve@cisco.com>
-M: Dave Goodell <dgoodell@cisco.com>
S: Supported
F: drivers/infiniband/hw/usnic/
+CLANG-FORMAT FILE
+M: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
+S: Maintained
+F: .clang-format
+
CLEANCACHE API
M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
L: linux-kernel@vger.kernel.org
X: drivers/clk/clkdev.c
F: include/linux/clk-pr*
F: include/linux/clk/
+F: include/linux/of_clk.h
COMMON INTERNET FILE SYSTEM (CIFS)
M: Steve French <sfrench@samba.org>
T: git git://git.infradead.org/users/hch/dma-mapping.git
W: http://git.infradead.org/users/hch/dma-mapping.git
S: Supported
-F: lib/dma-debug.c
-F: lib/dma-direct.c
-F: lib/dma-virt.c
-F: drivers/base/dma-mapping.c
-F: drivers/base/dma-coherent.c
+F: kernel/dma/
F: include/asm-generic/dma-mapping.h
F: include/linux/dma-direct.h
F: include/linux/dma-mapping.h
+F: include/linux/dma-noncoherent.h
DME1737 HARDWARE MONITOR DRIVER
M: Juerg Haefliger <juergh@gmail.com>
X: Documentation/media
T: git git://git.lwn.net/linux.git docs-next
+DOCUMENTATION/ITALIAN
+M: Federico Vaga <federico.vaga@vaga.pv.it>
+L: linux-doc@vger.kernel.org
+S: Maintained
+F: Documentation/translations/it_IT
+
DONGWOON DW9714 LENS VOICE COIL DRIVER
M: Sakari Ailus <sakari.ailus@linux.intel.com>
L: linux-media@vger.kernel.org
S: Maintained
F: drivers/media/i2c/dw9714.c
+DONGWOON DW9807 LENS VOICE COIL DRIVER
+M: Sakari Ailus <sakari.ailus@linux.intel.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/dw9807.c
+
DOUBLETALK DRIVER
M: "James R. Van Zandt" <jrv@vanzandt.mv.com>
L: blinux-list@redhat.com
F: drivers/staging/fsl-dpaa2/ethernet
DPAA2 ETHERNET SWITCH DRIVER
-M: Razvan Stefanescu <razvan.stefanescu@nxp.com>
+M: Ioana Radulescu <ruxandra.radulescu@nxp.com>
+M: Ioana Ciornei <ioana.ciornei@nxp.com>
L: linux-kernel@vger.kernel.org
S: Maintained
F: drivers/staging/fsl-dpaa2/ethsw
+DPAA2 PTP CLOCK DRIVER
+M: Yangbo Lu <yangbo.lu@nxp.com>
+L: linux-kernel@vger.kernel.org
+S: Maintained
+F: drivers/staging/fsl-dpaa2/rtc
+
DPT_I2O SCSI RAID DRIVER
M: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
L: linux-scsi@vger.kernel.org
DRIVER CORE, KOBJECTS, DEBUGFS AND SYSFS
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+R: "Rafael J. Wysocki" <rafael@kernel.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git
S: Supported
F: Documentation/kobject.txt
M: David Lechner <david@lechnology.com>
S: Maintained
F: drivers/gpu/drm/tinydrm/ili9225.c
-F: Documentation/devicetree/bindings/display/ili9225.txt
+F: Documentation/devicetree/bindings/display/ilitek,ili9225.txt
DRM DRIVER FOR INTEL I810 VIDEO CARDS
S: Orphan / Obsolete
M: David Lechner <david@lechnology.com>
S: Maintained
F: drivers/gpu/drm/tinydrm/st7586.c
-F: Documentation/devicetree/bindings/display/st7586.txt
+F: Documentation/devicetree/bindings/display/sitronix,st7586.txt
DRM DRIVER FOR SITRONIX ST7735R PANELS
M: David Lechner <david@lechnology.com>
S: Maintained
F: drivers/gpu/drm/tinydrm/st7735r.c
-F: Documentation/devicetree/bindings/display/st7735r.txt
+F: Documentation/devicetree/bindings/display/sitronix,st7735r.txt
DRM DRIVER FOR TDFX VIDEO CARDS
S: Orphan / Obsolete
DRM DRIVERS
M: David Airlie <airlied@linux.ie>
L: dri-devel@lists.freedesktop.org
-T: git git://people.freedesktop.org/~airlied/linux
+T: git git://anongit.freedesktop.org/drm/drm
B: https://bugs.freedesktop.org/
C: irc://chat.freenode.net/dri-devel
S: Maintained
F: drivers/gpu/vga/
F: Documentation/devicetree/bindings/display/
F: Documentation/devicetree/bindings/gpu/
-F: Documentation/devicetree/bindings/video/
F: Documentation/gpu/
F: include/drm/
F: include/uapi/drm/
L: dri-devel@lists.freedesktop.org
S: Supported
F: drivers/gpu/drm/atmel-hlcdc/
-F: Documentation/devicetree/bindings/drm/atmel/
+F: Documentation/devicetree/bindings/display/atmel/
T: git git://anongit.freedesktop.org/drm/drm-misc
DRM DRIVERS FOR BRIDGE CHIPS
DRM DRIVERS FOR FREESCALE DCU
M: Stefan Agner <stefan@agner.ch>
-M: Alison Wang <alison.wang@freescale.com>
+M: Alison Wang <alison.wang@nxp.com>
L: dri-devel@lists.freedesktop.org
S: Supported
F: drivers/gpu/drm/fsl-dcu/
F: Documentation/devicetree/bindings/display/fsl,dcu.txt
F: Documentation/devicetree/bindings/display/fsl,tcon.txt
-F: Documentation/devicetree/bindings/display/panel/nec,nl4827hc19_05b.txt
+F: Documentation/devicetree/bindings/display/panel/nec,nl4827hc19-05b.txt
DRM DRIVERS FOR FREESCALE IMX
M: Philipp Zabel <p.zabel@pengutronix.de>
F: drivers/gpu/drm/omapdrm/
F: Documentation/devicetree/bindings/display/ti/
+DRM DRIVERS FOR V3D
+M: Eric Anholt <eric@anholt.net>
+S: Supported
+F: drivers/gpu/drm/v3d/
+F: include/uapi/drm/v3d_drm.h
+F: Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.txt
+T: git git://anongit.freedesktop.org/drm/drm-misc
+
DRM DRIVERS FOR VC4
M: Eric Anholt <eric@anholt.net>
T: git git://github.com/anholt/linux
F: drivers/gpu/drm/tinydrm/
F: include/drm/tinydrm/
+DRM DRIVERS FOR XEN
+M: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
+T: git git://anongit.freedesktop.org/drm/drm-misc
+L: dri-devel@lists.freedesktop.org
+L: xen-devel@lists.xen.org
+S: Supported
+F: drivers/gpu/drm/xen/
+F: Documentation/gpu/xen-front.rst
+
DRM TTM SUBSYSTEM
M: Christian Koenig <christian.koenig@amd.com>
-M: Roger He <Hongbo.He@amd.com>
+M: Huang Rui <ray.huang@amd.com>
+M: Junwei Zhang <Jerry.Zhang@amd.com>
T: git git://people.freedesktop.org/~agd5f/linux
S: Maintained
L: dri-devel@lists.freedesktop.org
S: Maintained
F: drivers/media/tuners/e4000*
+EARTH_PT1 MEDIA DRIVER
+M: Akihiro Tsukada <tskd08@gmail.com>
+L: linux-media@vger.kernel.org
+S: Odd Fixes
+F: drivers/media/pci/pt1/
+
+EARTH_PT3 MEDIA DRIVER
+M: Akihiro Tsukada <tskd08@gmail.com>
+L: linux-media@vger.kernel.org
+S: Odd Fixes
+F: drivers/media/pci/pt3/
+
EC100 MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
L: linux-media@vger.kernel.org
F: include/linux/of_net.h
F: include/linux/phy.h
F: include/linux/phy_fixed.h
-F: include/linux/platform_data/mdio-gpio.h
F: include/linux/platform_data/mdio-bcm-unimac.h
F: include/trace/events/mdio.h
F: include/uapi/linux/mdio.h
EZchip NPS platform support
M: Vineet Gupta <vgupta@synopsys.com>
+M: Ofer Levi <oferle@mellanox.com>
S: Supported
F: arch/arc/plat-eznps
F: arch/arc/boot/dts/eznps.dts
F: Documentation/hwmon/f71805f
F: drivers/hwmon/f71805f.c
+FADDR2LINE
+M: Josh Poimboeuf <jpoimboe@redhat.com>
+S: Maintained
+F: scripts/faddr2line
+
+FAILOVER MODULE
+M: Sridhar Samudrala <sridhar.samudrala@intel.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: net/core/failover.c
+F: include/net/failover.h
+F: Documentation/networking/failover.rst
+
FANOTIFY
M: Jan Kara <jack@suse.cz>
R: Amir Goldstein <amir73il@gmail.com>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/atull/linux-fpga.git
Q: http://patchwork.kernel.org/project/linux-fpga/list/
F: Documentation/fpga/
+F: Documentation/driver-api/fpga/
F: Documentation/devicetree/bindings/fpga/
F: drivers/fpga/
F: include/linux/fpga/
W: http://www.rocketboards.org
+FPGA DFL DRIVERS
+M: Wu Hao <hao.wu@intel.com>
+L: linux-fpga@vger.kernel.org
+S: Maintained
+F: Documentation/fpga/dfl.txt
+F: include/uapi/linux/fpga-dfl.h
+F: drivers/fpga/dfl*
+
FPU EMULATOR
M: Bill Metzenthen <billm@melbpc.org.au>
W: http://floatingpoint.sourceforge.net/emulator/index.html
F: Documentation/devicetree/bindings/crypto/fsl-sec4.txt
FREESCALE DIU FRAMEBUFFER DRIVER
-M: Timur Tabi <timur@tabi.org>
+M: Timur Tabi <timur@kernel.org>
L: linux-fbdev@vger.kernel.org
S: Maintained
F: drivers/video/fbdev/fsl-diu-fb.*
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/freescale/gianfar*
-X: drivers/net/ethernet/freescale/gianfar_ptp.c
F: Documentation/devicetree/bindings/net/fsl-tsec-phy.txt
FREESCALE GPMI NAND DRIVER
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/freescale/fman
-F: Documentation/devicetree/bindings/powerpc/fsl/fman.txt
+F: Documentation/devicetree/bindings/net/fsl-fman.txt
+
+FREESCALE QORIQ PTP CLOCK DRIVER
+M: Yangbo Lu <yangbo.lu@nxp.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/ptp/ptp_qoriq.c
+F: include/linux/fsl/ptp_qoriq.h
+F: Documentation/devicetree/bindings/ptp/ptp-qoriq.txt
FREESCALE QUAD SPI DRIVER
M: Han Xu <han.xu@nxp.com>
F: drivers/net/wan/fsl_ucc_hdlc*
FREESCALE QUICC ENGINE UCC UART DRIVER
-M: Timur Tabi <timur@tabi.org>
+M: Timur Tabi <timur@kernel.org>
L: linuxppc-dev@lists.ozlabs.org
S: Maintained
F: drivers/tty/serial/ucc_uart.c
FREESCALE SOC FS_ENET DRIVER
M: Pantelis Antoniou <pantelis.antoniou@gmail.com>
-M: Vitaly Bordug <vbordug@ru.mvista.com>
L: linuxppc-dev@lists.ozlabs.org
L: netdev@vger.kernel.org
S: Maintained
F: include/linux/fs_enet_pd.h
FREESCALE SOC SOUND DRIVERS
-M: Timur Tabi <timur@tabi.org>
+M: Timur Tabi <timur@kernel.org>
M: Nicolin Chen <nicoleotsuka@gmail.com>
M: Xiubo Li <Xiubo.Lee@gmail.com>
R: Fabio Estevam <fabio.estevam@nxp.com>
F: scripts/Makefile.gcc-plugins
F: Documentation/gcc-plugins.txt
+GASKET DRIVER FRAMEWORK
+M: Rob Springer <rspringer@google.com>
+M: John Joseph <jnjoseph@google.com>
+M: Ben Chan <benchan@chromium.org>
+S: Maintained
+F: drivers/staging/gasket/
+
GCOV BASED KERNEL PROFILING
M: Peter Oberparleiter <oberpar@linux.ibm.com>
S: Maintained
GDB KERNEL DEBUGGING HELPER SCRIPTS
M: Jan Kiszka <jan.kiszka@siemens.com>
-M: Kieran Bingham <kieran@bingham.xyz>
+M: Kieran Bingham <kbingham@kernel.org>
S: Supported
F: scripts/gdb/
M: Haavard Skinnemoen <hskinnemoen@gmail.com>
S: Supported
F: drivers/i2c/busses/i2c-gpio.c
-F: include/linux/i2c-gpio.h
+F: include/linux/platform_data/i2c-gpio.h
GENERIC GPIO I2C MULTIPLEXER DRIVER
M: Peter Korsgaard <peter.korsgaard@barco.com>
L: linux-i2c@vger.kernel.org
S: Supported
F: drivers/i2c/muxes/i2c-mux-gpio.c
-F: include/linux/i2c-mux-gpio.h
+F: include/linux/platform_data/i2c-mux-gpio.h
F: Documentation/i2c/muxes/i2c-mux-gpio
GENERIC HDLC (WAN) DRIVERS
F: include/linux/pm_domain.h
F: Documentation/devicetree/bindings/power/power_domain.txt
+GENERIC RESISTIVE TOUCHSCREEN ADC DRIVER
+M: Eugen Hristev <eugen.hristev@microchip.com>
+L: linux-input@vger.kernel.org
+S: Maintained
+F: drivers/input/touchscreen/resistive-adc-touch.c
+
GENERIC UIO DRIVER FOR PCI DEVICES
M: "Michael S. Tsirkin" <mst@redhat.com>
L: kvm@vger.kernel.org
F: scripts/get_maintainer.pl
GFS2 FILE SYSTEM
-M: Steven Whitehouse <swhiteho@redhat.com>
M: Bob Peterson <rpeterso@redhat.com>
+M: Andreas Gruenbacher <agruenba@redhat.com>
L: cluster-devel@redhat.com
W: http://sources.redhat.com/cluster/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git
F: drivers/isdn/gigaset/
F: include/uapi/linux/gigaset_dev.h
+GNSS SUBSYSTEM
+M: Johan Hovold <johan@kernel.org>
+S: Maintained
+F: Documentation/ABI/testing/sysfs-class-gnss
+F: Documentation/devicetree/bindings/gnss/
+F: drivers/gnss/
+F: include/linux/gnss.h
+
GO7007 MPEG CODEC
M: Hans Verkuil <hans.verkuil@cisco.com>
L: linux-media@vger.kernel.org
F: drivers/staging/greybus/firmware.h
F: drivers/staging/greybus/fw-core.c
F: drivers/staging/greybus/fw-download.c
-F: drivers/staging/greybus/fw-managament.c
+F: drivers/staging/greybus/fw-management.c
F: drivers/staging/greybus/greybus_authentication.h
F: drivers/staging/greybus/greybus_firmware.h
F: drivers/staging/greybus/hid.c
F: drivers/staging/greybus/spilib.c
F: drivers/staging/greybus/spilib.h
-GREYBUS LOOPBACK/TIME PROTOCOLS DRIVERS
+GREYBUS LOOPBACK DRIVER
M: Bryan O'Donoghue <pure.logic@nexus-software.ie>
S: Maintained
F: drivers/staging/greybus/loopback.c
-F: drivers/staging/greybus/timesync.c
-F: drivers/staging/greybus/timesync_platform.c
GREYBUS PLATFORM DRIVERS
M: Vaibhav Hiremath <hvaibhav.linux@gmail.com>
W: http://hwmon.wiki.kernel.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
S: Maintained
+F: Documentation/devicetree/bindings/hwmon/
F: Documentation/hwmon/
F: drivers/hwmon/
F: include/linux/hwmon*.h
S: Maintained
F: mm/hmm*
F: include/linux/hmm*
-F: Documentation/vm/hmm.txt
+F: Documentation/vm/hmm.rst
HOST AP DRIVER
M: Jouni Malinen <j@w1.fi>
F: drivers/hid/hid-hyperv.c
F: drivers/hv/
F: drivers/input/serio/hyperv-keyboard.c
-F: drivers/pci/host/pci-hyperv.c
+F: drivers/pci/controller/pci-hyperv.c
F: drivers/net/hyperv/
F: drivers/scsi/storvsc_drv.c
F: drivers/uio/uio_hv_generic.c
S: Supported
F: drivers/scsi/ibmvscsi/ibmvfc*
+IBM Power Virtual Management Channel Driver
+M: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
+M: Steven Royer <seroyer@linux.vnet.ibm.com>
+S: Supported
+F: drivers/misc/ibmvmc.*
+
IBM Power Virtual SCSI Device Drivers
M: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
L: linux-scsi@vger.kernel.org
IEEE 802.15.4 SUBSYSTEM
M: Alexander Aring <alex.aring@gmail.com>
-M: Stefan Schmidt <stefan@osg.samsung.com>
+M: Stefan Schmidt <stefan@datenfreihafen.org>
L: linux-wpan@vger.kernel.org
W: http://wpan.cakelab.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan.git
M: Peter Rosin <peda@axentia.se>
L: linux-iio@vger.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/iio/multiplexer/iio-mux.txt
+F: Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt
F: drivers/iio/multiplexer/iio-mux.c
IIO SUBSYSTEM AND DRIVERS
F: include/linux/iio/
F: tools/iio/
+IIO UNIT CONVERTER
+M: Peter Rosin <peda@axentia.se>
+L: linux-iio@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/iio/afe/current-sense-amplifier.txt
+F: Documentation/devicetree/bindings/iio/afe/current-sense-shunt.txt
+F: Documentation/devicetree/bindings/iio/afe/voltage-divider.txt
+F: drivers/iio/afe/iio-rescale.c
+
IKANOS/ADI EAGLE ADSL USB DRIVER
M: Matthieu Castet <castet.matthieu@free.fr>
M: Stanislaw Gruszka <stf_xl@wp.pl>
L: linux-hwmon@vger.kernel.org
S: Maintained
F: Documentation/hwmon/ina209
-F: Documentation/devicetree/bindings/i2c/ina209.txt
+F: Documentation/devicetree/bindings/hwmon/ina2xx.txt
F: drivers/hwmon/ina209.c
INA2XX HARDWARE MONITOR DRIVER
S: Maintained
F: drivers/video/fbdev/i810/
-INTEL ASoC BDW/HSW DRIVERS
+INTEL ASoC DRIVERS
+M: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
+M: Liam Girdwood <liam.r.girdwood@linux.intel.com>
M: Jie Yang <yang.jie@linux.intel.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
S: Supported
-F: sound/soc/intel/common/sst-dsp*
-F: sound/soc/intel/common/sst-firmware.c
-F: sound/soc/intel/boards/broadwell.c
-F: sound/soc/intel/haswell/
+F: sound/soc/intel/
INTEL C600 SERIES SAS CONTROLLER DRIVER
M: Intel SCU Linux support <intel-linux-scu@intel.com>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git
S: Supported
-F: Documentation/networking/e100.txt
-F: Documentation/networking/e1000.txt
+F: Documentation/networking/e100.rst
+F: Documentation/networking/e1000.rst
F: Documentation/networking/e1000e.txt
F: Documentation/networking/igb.txt
F: Documentation/networking/igbvf.txt
INTEL IPU3 CSI-2 CIO2 DRIVER
M: Yong Zhi <yong.zhi@intel.com>
M: Sakari Ailus <sakari.ailus@linux.intel.com>
+M: Bingbu Cao <bingbu.cao@intel.com>
+R: Tian Shu Qiu <tian.shu.qiu@intel.com>
+R: Jian Xu Zheng <jian.xu.zheng@intel.com>
L: linux-media@vger.kernel.org
S: Maintained
F: drivers/media/pci/intel/ipu3/
R: Tim Chen <tim.c.chen@linux.intel.com>
L: linux-crypto@vger.kernel.org
S: Supported
-F: arch/x86/crypto/sha*-mb
+F: arch/x86/crypto/sha*-mb/
F: crypto/mcryptd.c
INTEL TELEMETRY DRIVER
INTEL(R) TRACE HUB
M: Alexander Shishkin <alexander.shishkin@linux.intel.com>
S: Supported
-F: Documentation/trace/intel_th.txt
+F: Documentation/trace/intel_th.rst
F: drivers/hwtracing/intel_th/
INTEL(R) TRUSTED EXECUTION TECHNOLOGY (TXT)
L: linux-iio@vger.kernel.org
S: Maintained
F: drivers/iio/gyro/mpu3050*
-F: Documentation/devicetree/bindings/iio/gyroscope/inv,mpu3050.txt
+F: Documentation/devicetree/bindings/iio/gyroscope/invensense,mpu3050.txt
IOC3 ETHERNET DRIVER
M: Ralf Baechle <ralf@linux-mips.org>
F: drivers/firmware/iscsi_ibft*
ISCSI EXTENSIONS FOR RDMA (ISER) INITIATOR
-M: Or Gerlitz <ogerlitz@mellanox.com>
M: Sagi Grimberg <sagi@grimberg.me>
-M: Roi Dayan <roid@mellanox.com>
+M: Max Gurtovoy <maxg@mellanox.com>
L: linux-rdma@vger.kernel.org
S: Supported
W: http://www.openfabrics.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git kconfig
L: linux-kbuild@vger.kernel.org
S: Maintained
-F: Documentation/kbuild/kconfig-language.txt
+F: Documentation/kbuild/kconfig*
F: scripts/kconfig/
+F: scripts/Kconfig.include
KDUMP
M: Dave Young <dyoung@redhat.com>
S: Maintained
F: drivers/media/radio/radio-keene*
-KERNEL AUTOMOUNTER v4 (AUTOFS4)
+KERNEL AUTOMOUNTER
M: Ian Kent <raven@themaw.net>
L: autofs@vger.kernel.org
S: Maintained
-F: fs/autofs4/
+F: fs/autofs/
KERNEL BUILD + files below scripts/ (unless maintained elsewhere)
M: Masahiro Yamada <yamada.masahiro@socionext.com>
F: tools/testing/selftests/kmod/
KPROBES
-M: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
+M: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
M: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
M: "David S. Miller" <davem@davemloft.net>
M: Masami Hiramatsu <mhiramat@kernel.org>
KS0108 LCD CONTROLLER DRIVER
M: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com>
-W: http://miguelojeda.es/auxdisplay.htm
-W: http://jair.lab.fi.uva.es/~migojed/auxdisplay.htm
S: Maintained
F: Documentation/auxdisplay/ks0108
F: drivers/auxdisplay/ks0108.c
F: Documentation/misc-devices/eeprom
F: drivers/misc/eeprom/eeprom.c
+LEGO MINDSTORMS EV3
+R: David Lechner <david@lechnology.com>
+S: Maintained
+F: arch/arm/boot/dts/da850-lego-ev3.dts
+F: Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt
+F: drivers/power/supply/lego_ev3_battery.c
+
LEGO USB Tower driver
M: Juergen Stuber <starblue@users.sourceforge.net>
L: legousb-devel@lists.sourceforge.net
LINUX KERNEL MEMORY CONSISTENCY MODEL (LKMM)
M: Alan Stern <stern@rowland.harvard.edu>
-M: Andrea Parri <parri.andrea@gmail.com>
+M: Andrea Parri <andrea.parri@amarulasolutions.com>
M: Will Deacon <will.deacon@arm.com>
M: Peter Zijlstra <peterz@infradead.org>
M: Boqun Feng <boqun.feng@gmail.com>
M: Luc Maranget <luc.maranget@inria.fr>
M: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
R: Akira Yokosawa <akiyks@gmail.com>
+R: Daniel Lustig <dlustig@nvidia.com>
L: linux-kernel@vger.kernel.org
+L: linux-arch@vger.kernel.org
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
F: tools/memory-model/
+F: Documentation/atomic_bitops.txt
+F: Documentation/atomic_t.txt
+F: Documentation/core-api/atomic_ops.rst
+F: Documentation/core-api/refcount-vs-atomic.rst
F: Documentation/memory-barriers.txt
-LINUX SECURITY MODULE (LSM) FRAMEWORK
-M: Chris Wright <chrisw@sous-sol.org>
-L: linux-security-module@vger.kernel.org
-S: Supported
-
LIS3LV02D ACCELEROMETER DRIVER
M: Eric Piel <eric.piel@tremplin-utc.net>
S: Maintained
LOCKING PRIMITIVES
M: Peter Zijlstra <peterz@infradead.org>
M: Ingo Molnar <mingo@redhat.com>
+M: Will Deacon <will.deacon@arm.com>
L: linux-kernel@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core
S: Maintained
W: http://www.avagotech.com/support/
S: Supported
F: drivers/message/fusion/
-F: drivers/scsi/mpt2sas/
F: drivers/scsi/mpt3sas/
LSILOGIC/SYMBIOS/NCR 53C8XX and 53C1010 PCI-SCSI drivers
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/dsa/mv88e6xxx/
+F: linux/platform_data/mv88e6xxx.h
F: Documentation/devicetree/bindings/net/dsa/marvell.txt
MARVELL ARMADA DRM SUPPORT
M: Amitkumar Karwar <amitkarwar@gmail.com>
M: Nishant Sarmukadam <nishants@marvell.com>
M: Ganapathi Bhat <gbhat@marvell.com>
-M: Xinming Hu <huxm@marvell.com>
+M: Xinming Hu <huxinming820@gmail.com>
L: linux-wireless@vger.kernel.org
S: Maintained
F: drivers/net/wireless/marvell/mwifiex/
L: linux-hwmon@vger.kernel.org
S: Maintained
F: Documentation/hwmon/max6697
-F: Documentation/devicetree/bindings/i2c/max6697.txt
+F: Documentation/devicetree/bindings/hwmon/max6697.txt
F: drivers/hwmon/max6697.c
F: include/linux/platform_data/max6697.h
L: linux-renesas-soc@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
S: Supported
+F: Documentation/devicetree/bindings/media/renesas,rcar-csi2.txt
F: Documentation/devicetree/bindings/media/rcar_vin.txt
F: drivers/media/platform/rcar-vin/
S: Maintained
F: drivers/media/dvb-frontends/stv6111*
+MEDIA DRIVERS FOR STM32 - DCMI
+M: Hugues Fruchet <hugues.fruchet@st.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Supported
+F: Documentation/devicetree/bindings/media/st,stm32-dcmi.txt
+F: drivers/media/platform/stm32/stm32-dcmi.c
+
MEDIA DRIVERS FOR NVIDIA TEGRA - VDE
M: Dmitry Osipenko <digetx@gmail.com>
L: linux-media@vger.kernel.org
F: include/uapi/linux/ivtv*
F: include/uapi/linux/uvcvideo.h
+MEDIATEK BLUETOOTH DRIVER
+M: Sean Wang <sean.wang@mediatek.com>
+L: linux-bluetooth@vger.kernel.org
+L: linux-mediatek@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: Documentation/devicetree/bindings/net/mediatek-bluetooth.txt
+F: drivers/bluetooth/btmtkuart.c
+
MEDIATEK CIR DRIVER
M: Sean Wang <sean.wang@mediatek.com>
S: Maintained
S: Maintained
F: drivers/net/wireless/mediatek/mt7601u/
+MEDIATEK NAND CONTROLLER DRIVER
+M: Xiaolei Li <xiaolei.li@mediatek.com>
+L: linux-mtd@lists.infradead.org
+S: Maintained
+F: drivers/mtd/nand/raw/mtk_*
+F: Documentation/devicetree/bindings/mtd/mtk-nand.txt
+
MEDIATEK RANDOM NUMBER GENERATOR SUPPORT
M: Sean Wang <sean.wang@mediatek.com>
S: Maintained
F: drivers/usb/mtu3/
MEGACHIPS STDPXXXX-GE-B850V3-FW LVDS/DP++ BRIDGES
-M: Peter Senna Tschudin <peter.senna@collabora.com>
+M: Peter Senna Tschudin <peter.senna@gmail.com>
M: Martin Donnelly <martin.donnelly@ge.com>
M: Martyn Welch <martyn.welch@collabora.co.uk>
S: Maintained
F: drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
-F: Documentation/devicetree/bindings/video/bridge/megachips-stdpxxxx-ge-b850v3-fw.txt
+F: Documentation/devicetree/bindings/display/bridge/megachips-stdpxxxx-ge-b850v3-fw.txt
MEGARAID SCSI/SAS DRIVERS
M: Kashyap Desai <kashyap.desai@broadcom.com>
Q: http://patchwork.ozlabs.org/project/netdev/list/
F: drivers/net/ethernet/mellanox/mlx5/core/en_*
-MELLANOX ETHERNET INNOVA DRIVER
+MELLANOX ETHERNET INNOVA DRIVERS
R: Boris Pismenny <borisp@mellanox.com>
L: netdev@vger.kernel.org
S: Supported
W: http://www.mellanox.com
Q: http://patchwork.ozlabs.org/project/netdev/list/
+F: drivers/net/ethernet/mellanox/mlx5/core/en_accel/*
+F: drivers/net/ethernet/mellanox/mlx5/core/accel/*
F: drivers/net/ethernet/mellanox/mlx5/core/fpga/*
F: include/linux/mlx5/mlx5_ifc_fpga.h
W: http://www.mellanox.com
Q: http://patchwork.ozlabs.org/project/netdev/list/
F: drivers/net/ethernet/mellanox/mlxsw/
+F: tools/testing/selftests/drivers/net/mlxsw/
MELLANOX FIRMWARE FLASH LIBRARY (mlxfw)
M: mlxsw@mellanox.com
F: drivers/hwmon/menf21bmc_hwmon.c
F: Documentation/hwmon/menf21bmc
+MEN Z069 WATCHDOG DRIVER
+M: Johannes Thumshirn <jth@kernel.org>
+L: linux-watchdog@vger.kernel.org
+S: Maintained
+F: drivers/watchdog/menz069_wdt.c
+
MESON AO CEC DRIVER FOR AMLOGIC SOCS
M: Neil Armstrong <narmstrong@baylibre.com>
L: linux-media@lists.freedesktop.org
F: devicetree/bindings/media/atmel-isc.txt
MICROCHIP / ATMEL NAND DRIVER
-M: Wenyou Yang <wenyou.yang@microchip.com>
M: Josh Wu <rainyfeeling@outlook.com>
L: linux-mtd@lists.infradead.org
S: Supported
F: include/uapi/linux/cciss*.h
F: Documentation/scsi/smartpqi.txt
+MICROSEMI ETHERNET SWITCH DRIVER
+M: Alexandre Belloni <alexandre.belloni@bootlin.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: drivers/net/ethernet/mscc/
+
MICROSOFT SURFACE PRO 3 BUTTON DRIVER
M: Chen Yu <yu.c.chen@intel.com>
L: platform-driver-x86@vger.kernel.org
MIPS
M: Ralf Baechle <ralf@linux-mips.org>
+M: Paul Burton <paul.burton@mips.com>
M: James Hogan <jhogan@kernel.org>
L: linux-mips@linux-mips.org
W: http://www.linux-mips.org/
T: git git://git.linux-mips.org/pub/scm/ralf/linux.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git
Q: http://patchwork.linux-mips.org/project/linux-mips/list/
S: Supported
F: Documentation/devicetree/bindings/mips/
S: Maintained
F: drivers/media/dvb-frontends/mn88473*
+PCI DRIVER FOR MOBIVEIL PCIE IP
+M: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
+L: linux-pci@vger.kernel.org
+S: Supported
+F: Documentation/devicetree/bindings/pci/mobiveil-pcie.txt
+F: drivers/pci/controller/pcie-mobiveil.c
+
MODULE SUPPORT
M: Jessica Yu <jeyu@kernel.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux.git modules-next
F: drivers/media/i2c/mt9v032.c
F: include/media/i2c/mt9v032.h
+MT9V111 APTINA CAMERA SENSOR
+M: Jacopo Mondi <jacopo@jmondi.org>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: Documentation/devicetree/bindings/media/i2c/aptina,mt9v111.txt
+F: drivers/media/i2c/mt9v111.c
+
MULTIFUNCTION DEVICES (MFD)
M: Lee Jones <lee.jones@linaro.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git
MULTIPLEXER SUBSYSTEM
M: Peter Rosin <peda@axentia.se>
S: Maintained
-F: Documentation/ABI/testing/mux/sysfs-class-mux*
+F: Documentation/ABI/testing/sysfs-class-mux*
F: Documentation/devicetree/bindings/mux/
F: include/linux/dt-bindings/mux/
F: include/linux/mux/
S: Maintained
F: drivers/usb/musb/
+MXL301RF MEDIA DRIVER
+M: Akihiro Tsukada <tskd08@gmail.com>
+L: linux-media@vger.kernel.org
+S: Odd Fixes
+F: drivers/media/tuners/mxl301rf*
+
MXL5007T MEDIA DRIVER
M: Michael Krufky <mkrufky@linuxtv.org>
L: linux-media@vger.kernel.org
M: Marek Vasut <marex@denx.de>
S: Supported
F: drivers/gpu/drm/mxsfb/
-F: Documentation/devicetree/bindings/display/mxsfb-drm.txt
+F: Documentation/devicetree/bindings/display/mxsfb.txt
MYRICOM MYRI-10G 10GbE DRIVER (MYRI10GE)
M: Chris Lee <christopher.lee@cspi.com>
NAND FLASH SUBSYSTEM
M: Boris Brezillon <boris.brezillon@bootlin.com>
+M: Miquel Raynal <miquel.raynal@bootlin.com>
R: Richard Weinberger <richard@nod.at>
L: linux-mtd@lists.infradead.org
W: http://www.linux-mtd.infradead.org/
F: drivers/scsi/sun3_scsi.*
F: drivers/scsi/sun3_scsi_vme.c
-NCR DUAL 700 SCSI DRIVER (MICROCHANNEL)
-M: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
-L: linux-scsi@vger.kernel.org
+NCSI LIBRARY:
+M: Samuel Mendoza-Jonas <sam@mendozajonas.com>
S: Maintained
-F: drivers/scsi/NCR_D700.*
+F: net/ncsi/
NCT6775 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@roeck-us.net>
F: Documentation/hwmon/nct6775
F: drivers/hwmon/nct6775.c
+NET_FAILOVER MODULE
+M: Sridhar Samudrala <sridhar.samudrala@intel.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: driver/net/net_failover.c
+F: include/net/net_failover.h
+F: Documentation/networking/net_failover.rst
+
NETEFFECT IWARP RNIC DRIVER (IW_NES)
M: Faisal Latif <faisal.latif@intel.com>
L: linux-rdma@vger.kernel.org
F: drivers/net/ethernet/netronome/
NETWORK BLOCK DEVICE (NBD)
-M: Josef Bacik <jbacik@fb.com>
+M: Josef Bacik <josef@toxicpanda.com>
S: Maintained
L: linux-block@vger.kernel.org
L: nbd@other.debian.org
M: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
M: Florian Fainelli <f.fainelli@gmail.com>
S: Maintained
+F: Documentation/devicetree/bindings/net/dsa/
F: net/dsa/
F: include/net/dsa.h
F: include/linux/dsa/
F: net/netfilter/xt_CONNSECMARK.c
F: net/netfilter/xt_SECMARK.c
+NETWORKING [TCP]
+M: Eric Dumazet <edumazet@google.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: net/ipv4/tcp*.c
+F: net/ipv4/syncookies.c
+F: net/ipv6/tcp*.c
+F: net/ipv6/syncookies.c
+F: include/uapi/linux/tcp.h
+F: include/net/tcp.h
+F: include/linux/tcp.h
+F: include/trace/events/tcp.h
+
NETWORKING [TLS]
+M: Boris Pismenny <borisp@mellanox.com>
M: Aviad Yehezkel <aviadye@mellanox.com>
M: Dave Watson <davejwatson@fb.com>
L: netdev@vger.kernel.org
NXP TDA998X DRM DRIVER
M: Russell King <linux@armlinux.org.uk>
-S: Supported
+S: Maintained
T: git git://git.armlinux.org.uk/~rmk/linux-arm.git drm-tda998x-devel
T: git git://git.armlinux.org.uk/~rmk/linux-arm.git drm-tda998x-fixes
F: drivers/gpu/drm/i2c/tda998x_drv.c
F: include/drm/i2c/tda998x.h
+F: include/dt-bindings/display/tda998x.h
+K: "nxp,tda998x"
NXP TFA9879 DRIVER
M: Peter Rosin <peda@axentia.se>
F: drivers/misc/ocxl/
F: include/misc/ocxl*
F: include/uapi/misc/ocxl.h
-F: Documentation/accelerators/ocxl.txt
+F: Documentation/accelerators/ocxl.rst
OMAP AUDIO SUPPORT
M: Peter Ujfalusi <peter.ujfalusi@ti.com>
F: arch/arm/boot/dts/*dra7*
OMAP DISPLAY SUBSYSTEM and FRAMEBUFFER SUPPORT (DSS2)
-M: Tomi Valkeinen <tomi.valkeinen@ti.com>
L: linux-omap@vger.kernel.org
L: linux-fbdev@vger.kernel.org
-S: Maintained
+S: Orphan
F: drivers/video/fbdev/omap2/
F: Documentation/arm/OMAP/DSS
OMAP FRAMEBUFFER SUPPORT
-M: Tomi Valkeinen <tomi.valkeinen@ti.com>
L: linux-fbdev@vger.kernel.org
L: linux-omap@vger.kernel.org
-S: Maintained
+S: Orphan
F: drivers/video/fbdev/omap/
OMAP GENERAL PURPOSE MEMORY CONTROLLER SUPPORT
F: arch/arm/plat-omap/
F: arch/arm/configs/omap1_defconfig
F: drivers/i2c/busses/i2c-omap.c
-F: include/linux/i2c-omap.h
+F: include/linux/platform_data/i2c-omap.h
OMAP2+ SUPPORT
M: Tony Lindgren <tony@atomide.com>
F: drivers/regulator/tps65910-regulator.c
F: drivers/regulator/twl-regulator.c
F: drivers/regulator/twl6030-regulator.c
-F: include/linux/i2c-omap.h
+F: include/linux/platform_data/i2c-omap.h
ONION OMEGA2+ BOARD
M: Harvey Hunt <harveyhuntnexus@gmail.com>
S: Maintained
F: drivers/media/i2c/ov13858.c
+OMNIVISION OV2680 SENSOR DRIVER
+M: Rui Miguel Silva <rmfrfs@gmail.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/ov2680.c
+F: Documentation/devicetree/bindings/media/i2c/ov2680.txt
+
OMNIVISION OV2685 SENSOR DRIVER
M: Shunqian Zheng <zhengsq@rock-chips.com>
L: linux-media@vger.kernel.org
S: Odd fixes
F: drivers/media/i2c/ov772x.c
F: include/media/i2c/ov772x.h
+F: Documentation/devicetree/bindings/media/i2c/ov772x.txt
OMNIVISION OV7740 SENSOR DRIVER
M: Wenyou Yang <wenyou.yang@microchip.com>
OPEN FIRMWARE AND DEVICE TREE OVERLAYS
M: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
+M: Frank Rowand <frowand.list@gmail.com>
L: devicetree@vger.kernel.org
S: Maintained
F: Documentation/devicetree/dynamic-resolution-notes.txt
F: Documentation/devicetree/overlay-notes.txt
F: drivers/of/overlay.c
F: drivers/of/resolver.c
+K: of_overlay_notifier_
OPEN FIRMWARE AND FLATTENED DEVICE TREE
M: Rob Herring <robh+dt@kernel.org>
M: Willy Tarreau <willy@haproxy.com>
M: Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
S: Odd Fixes
-F: Documentation/misc-devices/lcd-panel-cgram.txt
+F: Documentation/auxdisplay/lcd-panel-cgram.txt
F: drivers/misc/panel.c
PARALLEL PORT SUBSYSTEM
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: Documentation/devicetree/bindings/pci/aardvark-pci.txt
-F: drivers/pci/host/pci-aardvark.c
+F: drivers/pci/controller/pci-aardvark.c
PCI DRIVER FOR ALTERA PCIE IP
M: Ley Foon Tan <lftan@altera.com>
L: linux-pci@vger.kernel.org
S: Supported
F: Documentation/devicetree/bindings/pci/altera-pcie.txt
-F: drivers/pci/host/pcie-altera.c
+F: drivers/pci/controller/pcie-altera.c
PCI DRIVER FOR APPLIEDMICRO XGENE
M: Tanmay Inamdar <tinamdar@apm.com>
L: linux-arm-kernel@lists.infradead.org
S: Maintained
F: Documentation/devicetree/bindings/pci/xgene-pci.txt
-F: drivers/pci/host/pci-xgene.c
+F: drivers/pci/controller/pci-xgene.c
PCI DRIVER FOR ARM VERSATILE PLATFORM
M: Rob Herring <robh@kernel.org>
L: linux-arm-kernel@lists.infradead.org
S: Maintained
F: Documentation/devicetree/bindings/pci/versatile.txt
-F: drivers/pci/host/pci-versatile.c
+F: drivers/pci/controller/pci-versatile.c
PCI DRIVER FOR ARMADA 8K
M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
L: linux-arm-kernel@lists.infradead.org
S: Maintained
F: Documentation/devicetree/bindings/pci/pci-armada8k.txt
-F: drivers/pci/dwc/pcie-armada8k.c
+F: drivers/pci/controller/dwc/pcie-armada8k.c
PCI DRIVER FOR CADENCE PCIE IP
M: Alan Douglas <adouglas@cadence.com>
L: linux-pci@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/pci/cdns,*.txt
-F: drivers/pci/cadence/pcie-cadence*
+F: drivers/pci/controller/pcie-cadence*
PCI DRIVER FOR FREESCALE LAYERSCAPE
-M: Minghuan Lian <minghuan.Lian@freescale.com>
-M: Mingkai Hu <mingkai.hu@freescale.com>
-M: Roy Zang <tie-fei.zang@freescale.com>
+M: Minghuan Lian <minghuan.Lian@nxp.com>
+M: Mingkai Hu <mingkai.hu@nxp.com>
+M: Roy Zang <roy.zang@nxp.com>
L: linuxppc-dev@lists.ozlabs.org
L: linux-pci@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org
S: Maintained
-F: drivers/pci/dwc/*layerscape*
+F: drivers/pci/controller/dwc/*layerscape*
PCI DRIVER FOR GENERIC OF HOSTS
M: Will Deacon <will.deacon@arm.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: Documentation/devicetree/bindings/pci/host-generic-pci.txt
-F: drivers/pci/host/pci-host-common.c
-F: drivers/pci/host/pci-host-generic.c
+F: drivers/pci/controller/pci-host-common.c
+F: drivers/pci/controller/pci-host-generic.c
PCI DRIVER FOR IMX6
M: Richard Zhu <hongxing.zhu@nxp.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
-F: drivers/pci/dwc/*imx6*
+F: drivers/pci/controller/dwc/*imx6*
PCI DRIVER FOR INTEL VOLUME MANAGEMENT DEVICE (VMD)
M: Keith Busch <keith.busch@intel.com>
M: Jonathan Derrick <jonathan.derrick@intel.com>
L: linux-pci@vger.kernel.org
S: Supported
-F: drivers/pci/host/vmd.c
+F: drivers/pci/controller/vmd.c
PCI DRIVER FOR MICROSEMI SWITCHTEC
M: Kurt Schwemmer <kurt.schwemmer@microsemi.com>
L: linux-pci@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: drivers/pci/host/*mvebu*
+F: drivers/pci/controller/*mvebu*
PCI DRIVER FOR NVIDIA TEGRA
M: Thierry Reding <thierry.reding@gmail.com>
L: linux-pci@vger.kernel.org
S: Supported
F: Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt
-F: drivers/pci/host/pci-tegra.c
+F: drivers/pci/controller/pci-tegra.c
PCI DRIVER FOR RENESAS R-CAR
M: Simon Horman <horms@verge.net.au>
L: linux-pci@vger.kernel.org
L: linux-renesas-soc@vger.kernel.org
S: Maintained
-F: drivers/pci/host/*rcar*
+F: drivers/pci/controller/*rcar*
PCI DRIVER FOR SAMSUNG EXYNOS
M: Jingoo Han <jingoohan1@gmail.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
S: Maintained
-F: drivers/pci/dwc/pci-exynos.c
+F: drivers/pci/controller/dwc/pci-exynos.c
PCI DRIVER FOR SYNOPSYS DESIGNWARE
M: Jingoo Han <jingoohan1@gmail.com>
L: linux-pci@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/pci/designware-pcie.txt
-F: drivers/pci/dwc/*designware*
+F: drivers/pci/controller/dwc/*designware*
PCI DRIVER FOR TI DRA7XX
M: Kishon Vijay Abraham I <kishon@ti.com>
L: linux-pci@vger.kernel.org
S: Supported
F: Documentation/devicetree/bindings/pci/ti-pci.txt
-F: drivers/pci/dwc/pci-dra7xx.c
+F: drivers/pci/controller/dwc/pci-dra7xx.c
PCI DRIVER FOR TI KEYSTONE
M: Murali Karicheri <m-karicheri2@ti.com>
L: linux-pci@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: drivers/pci/dwc/*keystone*
+F: drivers/pci/controller/dwc/*keystone*
PCI ENDPOINT SUBSYSTEM
M: Kishon Vijay Abraham I <kishon@ti.com>
L: linux-pci@vger.kernel.org
S: Supported
F: Documentation/devicetree/bindings/pci/altera-pcie-msi.txt
-F: drivers/pci/host/pcie-altera-msi.c
+F: drivers/pci/controller/pcie-altera-msi.c
PCI MSI DRIVER FOR APPLIEDMICRO XGENE
M: Duc Dang <dhdang@apm.com>
L: linux-arm-kernel@lists.infradead.org
S: Maintained
F: Documentation/devicetree/bindings/pci/xgene-pci-msi.txt
-F: drivers/pci/host/pci-xgene-msi.c
+F: drivers/pci/controller/pci-xgene-msi.c
PCI SUBSYSTEM
M: Bjorn Helgaas <bhelgaas@google.com>
Q: http://patchwork.ozlabs.org/project/linux-pci/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git/
S: Supported
-F: drivers/pci/cadence/
-F: drivers/pci/host/
-F: drivers/pci/dwc/
+F: drivers/pci/controller/
PCIE DRIVER FOR AXIS ARTPEC
M: Jesper Nilsson <jesper.nilsson@axis.com>
L: linux-pci@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/pci/axis,artpec*
-F: drivers/pci/dwc/*artpec*
+F: drivers/pci/controller/dwc/*artpec*
PCIE DRIVER FOR CAVIUM THUNDERX
M: David Daney <david.daney@cavium.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Supported
F: Documentation/devicetree/bindings/pci/pci-thunder-*
-F: drivers/pci/host/pci-thunder-*
+F: drivers/pci/controller/pci-thunder-*
PCIE DRIVER FOR HISILICON
M: Zhou Wang <wangzhou1@hisilicon.com>
L: linux-pci@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
-F: drivers/pci/dwc/pcie-hisi.c
+F: drivers/pci/controller/dwc/pcie-hisi.c
PCIE DRIVER FOR HISILICON KIRIN
M: Xiaowei Song <songxiaowei@hisilicon.com>
M: Binghui Wang <wangbinghui@hisilicon.com>
L: linux-pci@vger.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/pci/pcie-kirin.txt
-F: drivers/pci/dwc/pcie-kirin.c
+F: Documentation/devicetree/bindings/pci/kirin-pcie.txt
+F: drivers/pci/controller/dwc/pcie-kirin.c
PCIE DRIVER FOR HISILICON STB
M: Jianguo Sun <sunjianguo1@huawei.com>
L: linux-pci@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/pci/hisilicon-histb-pcie.txt
-F: drivers/pci/dwc/pcie-histb.c
+F: drivers/pci/controller/dwc/pcie-histb.c
PCIE DRIVER FOR MEDIATEK
M: Ryder Lee <ryder.lee@mediatek.com>
L: linux-mediatek@lists.infradead.org
S: Supported
F: Documentation/devicetree/bindings/pci/mediatek*
-F: drivers/pci/host/*mediatek*
+F: drivers/pci/controller/*mediatek*
PCIE DRIVER FOR QUALCOMM MSM
M: Stanimir Varbanov <svarbanov@mm-sol.com>
L: linux-pci@vger.kernel.org
L: linux-arm-msm@vger.kernel.org
S: Maintained
-F: drivers/pci/dwc/*qcom*
+F: drivers/pci/controller/dwc/*qcom*
PCIE DRIVER FOR ROCKCHIP
M: Shawn Lin <shawn.lin@rock-chips.com>
L: linux-pci@vger.kernel.org
L: linux-rockchip@lists.infradead.org
S: Maintained
-F: Documentation/devicetree/bindings/pci/rockchip-pcie.txt
-F: drivers/pci/host/pcie-rockchip.c
+F: Documentation/devicetree/bindings/pci/rockchip-pcie*
+F: drivers/pci/controller/pcie-rockchip*
PCI DRIVER FOR V3 SEMICONDUCTOR V360EPC
M: Linus Walleij <linus.walleij@linaro.org>
L: linux-pci@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/pci/v3-v360epc-pci.txt
-F: drivers/pci/host/pci-v3-semi.c
+F: drivers/pci/controller/pci-v3-semi.c
PCIE DRIVER FOR ST SPEAR13XX
M: Pratyush Anand <pratyush.anand@gmail.com>
L: linux-pci@vger.kernel.org
S: Maintained
-F: drivers/pci/dwc/*spear*
+F: drivers/pci/controller/dwc/*spear*
PCMCIA SUBSYSTEM
M: Dominik Brodowski <linux@dominikbrodowski.net>
F: include/linux/personality.h
F: include/uapi/linux/personality.h
+ PHOENIX RC FLIGHT CONTROLLER ADAPTER
+ M: Marcus Folkesson <marcus.folkesson@gmail.com>
+ L: linux-input@vger.kernel.org
+ S: Maintained
+ F: Documentation/input/devices/pxrc.rst
+ F: drivers/input/joystick/pxrc.c
+
PHONET PROTOCOL
M: Remi Denis-Courmont <courmisch@gmail.com>
S: Supported
PIN CONTROLLER - INTEL
M: Mika Westerberg <mika.westerberg@linux.intel.com>
-M: Heikki Krogerus <heikki.krogerus@linux.intel.com>
+M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
S: Maintained
F: drivers/pinctrl/intel/
S: Maintained
F: Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt
F: Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt
+F: drivers/pinctrl/mediatek/mtk-eint.*
F: drivers/pinctrl/mediatek/pinctrl-mtk-common.*
F: drivers/pinctrl/mediatek/pinctrl-mt2701.c
F: drivers/pinctrl/mediatek/pinctrl-mt7622.c
L: linux-pm@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git
S: Maintained
+F: Documentation/ABI/testing/sysfs-class-power
F: Documentation/devicetree/bindings/power/supply/
F: include/linux/power_supply.h
F: drivers/power/supply/
S: Obsolete
F: drivers/net/wireless/intersil/prism54/
+PROC FILESYSTEM
+R: Alexey Dobriyan <adobriyan@gmail.com>
+L: linux-kernel@vger.kernel.org
+L: linux-fsdevel@vger.kernel.org
+S: Maintained
+F: fs/proc/
+F: include/linux/proc_fs.h
+F: tools/testing/selftests/proc/
+
PROC SYSCTL
M: "Luis R. Rodriguez" <mcgrof@kernel.org>
M: Kees Cook <keescook@chromium.org>
W: http://linuxptp.sourceforge.net/
F: Documentation/ABI/testing/sysfs-ptp
F: Documentation/ptp/*
-F: drivers/net/ethernet/freescale/gianfar_ptp.c
F: drivers/net/phy/dp83640*
F: drivers/ptp/*
F: include/linux/ptp_cl*
S: Supported
F: drivers/net/ethernet/qlogic/qlge/
+QM1D1B0004 MEDIA DRIVER
+M: Akihiro Tsukada <tskd08@gmail.com>
+L: linux-media@vger.kernel.org
+S: Odd Fixes
+F: drivers/media/tuners/qm1d1b0004*
+
+QM1D1C0042 MEDIA DRIVER
+M: Akihiro Tsukada <tskd08@gmail.com>
+L: linux-media@vger.kernel.org
+S: Odd Fixes
+F: drivers/media/tuners/qm1d1c0042*
+
QNX4 FILESYSTEM
M: Anders Larsen <al@alarsen.net>
W: http://www.alarsen.net/linux/qnx4fs/
S: Maintained
F: Documentation/devicetree/bindings/media/qcom,camss.txt
F: Documentation/media/v4l-drivers/qcom_camss.rst
-F: drivers/media/platform/qcom/camss-8x16/
+F: drivers/media/platform/qcom/camss/
+
+QUALCOMM CPUFREQ DRIVER MSM8996/APQ8096
+M: Ilia Lin <ilia.lin@gmail.com>
+L: linux-pm@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/opp/kryo-cpufreq.txt
+F: drivers/cpufreq/qcom-cpufreq-kryo.c
QUALCOMM EMAC GIGABIT ETHERNET DRIVER
-M: Timur Tabi <timur@codeaurora.org>
+M: Timur Tabi <timur@kernel.org>
L: netdev@vger.kernel.org
-S: Supported
+S: Maintained
F: drivers/net/ethernet/qualcomm/emac/
QUALCOMM HEXAGON ARCHITECTURE
S: Supported
F: arch/hexagon/
+QUALCOMM HIDMA DRIVER
+M: Sinan Kaya <okaya@kernel.org>
+L: linux-arm-kernel@lists.infradead.org
+L: linux-arm-msm@vger.kernel.org
+L: dmaengine@vger.kernel.org
+S: Supported
+F: drivers/dma/qcom/hidma*
+
QUALCOMM IOMMU
M: Rob Clark <robdclark@gmail.com>
L: iommu@lists.linux-foundation.org
F: Documentation/RCU/
X: Documentation/RCU/torture.txt
F: include/linux/rcu*
-X: include/linux/srcu.h
+X: include/linux/srcu*.h
F: kernel/rcu/
-X: kernel/torture.c
+X: kernel/rcu/srcu*.c
REAL TIME CLOCK (RTC) SUBSYSTEM
M: Alessandro Zummo <a.zummo@towertech.it>
F: include/uapi/linux/rtc.h
F: include/linux/rtc/
F: include/linux/platform_data/rtc-*
-F: tools/testing/selftests/timers/rtctest.c
+F: tools/testing/selftests/rtc/
REALTEK AUDIO CODECS
M: Bard Liao <bardliao@realtek.com>
F: sound/soc/codecs/rt*
F: include/sound/rt*.h
+REALTEK RTL83xx SMI DSA ROUTER CHIPS
+M: Linus Walleij <linus.walleij@linaro.org>
+S: Maintained
+F: Documentation/devicetree/bindings/net/dsa/realtek-smi.txt
+F: drivers/net/dsa/realtek-smi*
+F: drivers/net/dsa/rtl83*
+
REGISTER MAP ABSTRACTION
M: Mark Brown <broonie@kernel.org>
L: linux-kernel@vger.kernel.org
F: include/linux/reset.h
F: include/linux/reset-controller.h
+RESTARTABLE SEQUENCES SUPPORT
+M: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+M: Peter Zijlstra <peterz@infradead.org>
+M: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
+M: Boqun Feng <boqun.feng@gmail.com>
+L: linux-kernel@vger.kernel.org
+S: Supported
+F: kernel/rseq.c
+F: include/uapi/linux/rseq.h
+F: include/trace/events/rseq.h
+F: tools/testing/selftests/rseq/
+
RFKILL
M: Johannes Berg <johannes@sipsolutions.net>
L: linux-wireless@vger.kernel.org
F: Documentation/rfkill.txt
F: Documentation/ABI/stable/sysfs-class-rfkill
F: net/rfkill/
+F: include/linux/rfkill.h
+F: include/uapi/linux/rfkill.h
RHASHTABLE
M: Thomas Graf <tgraf@suug.ch>
L: netdev@vger.kernel.org
S: Maintained
F: lib/rhashtable.c
+F: lib/test_rhashtable.c
F: include/linux/rhashtable.h
+F: include/linux/rhashtable-types.h
RICOH R5C592 MEMORYSTICK DRIVER
M: Maxim Levitsky <maximlevitsky@gmail.com>
RISC-V ARCHITECTURE
M: Palmer Dabbelt <palmer@sifive.com>
-M: Albert Ou <albert@sifive.com>
+M: Albert Ou <aou@eecs.berkeley.edu>
L: linux-riscv@lists.infradead.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux.git
S: Supported
S390 VFIO-CCW DRIVER
M: Cornelia Huck <cohuck@redhat.com>
-M: Dong Jia Shi <bjsdjshi@linux.ibm.com>
M: Halil Pasic <pasic@linux.ibm.com>
L: linux-s390@vger.kernel.org
L: kvm@vger.kernel.org
L: linux-samsung-soc@vger.kernel.org
S: Maintained
F: drivers/crypto/exynos-rng.c
-F: Documentation/devicetree/bindings/crypto/samsung,exynos-rng4.txt
+F: Documentation/devicetree/bindings/rng/samsung,exynos4-rng.txt
SAMSUNG EXYNOS TRUE RANDOM NUMBER GENERATOR (TRNG) DRIVER
M: Łukasz Stelmach <l.stelmach@samsung.com>
F: drivers/scsi/sr*
SCSI RDMA PROTOCOL (SRP) INITIATOR
-M: Bart Van Assche <bart.vanassche@sandisk.com>
+M: Bart Van Assche <bvanassche@acm.org>
L: linux-rdma@vger.kernel.org
S: Supported
-W: http://www.openfabrics.org
Q: http://patchwork.kernel.org/project/linux-rdma/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/dad/srp-initiator.git
F: drivers/infiniband/ulp/srp/
F: include/scsi/srp.h
+SCSI RDMA PROTOCOL (SRP) TARGET
+M: Bart Van Assche <bvanassche@acm.org>
+L: linux-rdma@vger.kernel.org
+L: target-devel@vger.kernel.org
+S: Supported
+Q: http://patchwork.kernel.org/project/linux-rdma/list/
+F: drivers/infiniband/ulp/srpt/
+
SCSI SG DRIVER
M: Doug Gilbert <dgilbert@interlog.com>
L: linux-scsi@vger.kernel.org
F: drivers/mmc/host/sdhci*
F: include/linux/mmc/sdhci*
+SYNOPSYS SDHCI COMPLIANT DWC MSHC DRIVER
+M: Prabu Thangamuthu <prabu.t@synopsys.com>
+M: Manjunath M B <manjumb@synopsys.com>
+L: linux-mmc@vger.kernel.org
+S: Maintained
+F: drivers/mmc/host/sdhci-pci-dwc-mshc.c
+
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) SAMSUNG DRIVER
M: Ben Dooks <ben-linux@fluff.org>
M: Jaehoon Chung <jh80.chung@samsung.com>
W: http://kernsec.org/
S: Supported
F: security/
+X: security/selinux/
SELINUX SECURITY MODULE
M: Paul Moore <paul@paul-moore.com>
S: Supported
F: net/smc/
+SHARP RJ54N1CB0C SENSOR DRIVER
+M: Jacopo Mondi <jacopo@jmondi.org>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Odd fixes
+F: drivers/media/i2c/rj54n1cb0c.c
+F: include/media/i2c/rj54n1cb0c.h
+
SH_VEU V4L2 MEM2MEM DRIVER
L: linux-media@vger.kernel.org
S: Orphan
F: drivers/media/usb/siano/
F: drivers/media/mmc/siano/
+SIFIVE DRIVERS
+M: Palmer Dabbelt <palmer@sifive.com>
+L: linux-riscv@lists.infradead.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux.git
+S: Supported
+K: sifive
+N: sifive
+
SILEAD TOUCHSCREEN DRIVER
M: Hans de Goede <hdegoede@redhat.com>
L: linux-input@vger.kernel.org
W: http://www.rdrop.com/users/paulmck/RCU/
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
-F: include/linux/srcu.h
-F: kernel/rcu/srcu.c
+F: include/linux/srcu*.h
+F: kernel/rcu/srcu*.c
SERIAL LOW-POWER INTER-CHIP MEDIA BUS (SLIMbus)
M: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
F: drivers/ssb/
F: include/linux/ssb/
+SONY IMX258 SENSOR DRIVER
+M: Sakari Ailus <sakari.ailus@linux.intel.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/imx258.c
+
SONY IMX274 SENSOR DRIVER
M: Leon Luo <leonl@leopardimaging.com>
L: linux-media@vger.kernel.org
F: sound/
SOUND - COMPRESSED AUDIO
-M: Vinod Koul <vinod.koul@intel.com>
+M: Vinod Koul <vkoul@kernel.org>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
S: Supported
-F: Documentation/sound/alsa/compress_offload.txt
+F: Documentation/sound/designs/compress-offload.rst
F: include/sound/compress_driver.h
F: include/uapi/sound/compress_*
F: sound/core/compress_offload.c
W: http://alsa-project.org/main/index.php/ASoC
S: Supported
F: Documentation/devicetree/bindings/sound/
-F: Documentation/sound/alsa/soc/
+F: Documentation/sound/soc/
F: sound/soc/
F: include/sound/soc*
S: Supported
F: Documentation/process/stable-kernel-rules.rst
-STAGING - ATOMISP DRIVER
-M: Alan Cox <alan@linux.intel.com>
-M: Sakari Ailus <sakari.ailus@linux.intel.com>
-L: linux-media@vger.kernel.org
-S: Maintained
-F: drivers/staging/media/atomisp/
-
STAGING - COMEDI
M: Ian Abbott <abbotti@mev.co.uk>
M: H Hartley Sweeten <hsweeten@visionengravers.com>
S: Odd Fixes
F: drivers/staging/comedi/
+STAGING - EROFS FILE SYSTEM
+M: Gao Xiang <gaoxiang25@huawei.com>
+M: Chao Yu <yuchao0@huawei.com>
+L: linux-erofs@lists.ozlabs.org
+S: Maintained
+F: drivers/staging/erofs/
+
STAGING - FLARION FT1000 DRIVERS
M: Marek Belisko <marek.belisko@gmail.com>
S: Odd Fixes
F: Documentation/devicetree/bindings/staging/iio/
F: drivers/staging/iio/
-STAGING - LUSTRE PARALLEL FILESYSTEM
-M: Oleg Drokin <oleg.drokin@intel.com>
-M: Andreas Dilger <andreas.dilger@intel.com>
-M: James Simmons <jsimmons@infradead.org>
-L: lustre-devel@lists.lustre.org (moderated for non-subscribers)
-W: http://wiki.lustre.org/
-S: Maintained
-F: drivers/staging/lustre
-
STAGING - NVIDIA COMPLIANT EMBEDDED CONTROLLER INTERFACE (nvec)
M: Marc Dietrich <marvin24@gmx.de>
L: ac100@lists.launchpad.net (moderated for non-subscribers)
S: Maintained
F: drivers/block/skd*[ch]
+STI AUDIO (ASoC) DRIVERS
+M: Arnaud Pouliquen <arnaud.pouliquen@st.com>
+L: alsa-devel@alsa-project.org (moderated for non-subscribers)
+S: Maintained
+F: Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
+F: sound/soc/sti/
+
STI CEC DRIVER
M: Benjamin Gaignard <benjamin.gaignard@linaro.org>
S: Maintained
S: Maintained
F: drivers/media/usb/stk1160/
+STM32 AUDIO (ASoC) DRIVERS
+M: Olivier Moysan <olivier.moysan@st.com>
+M: Arnaud Pouliquen <arnaud.pouliquen@st.com>
+L: alsa-devel@alsa-project.org (moderated for non-subscribers)
+S: Maintained
+F: Documentation/devicetree/bindings/sound/st,stm32-*.txt
+F: sound/soc/stm/
+
+STM32 TIMER/LPTIMER DRIVERS
+M: Fabrice Gasnier <fabrice.gasnier@st.com>
+S: Maintained
+F: drivers/*/stm32-*timer*
+F: drivers/pwm/pwm-stm32*
+F: include/linux/*/stm32-*tim*
+F: Documentation/ABI/testing/*timer-stm32
+F: Documentation/devicetree/bindings/*/stm32-*timer*
+F: Documentation/devicetree/bindings/pwm/pwm-stm32*
+
STMMAC ETHERNET DRIVER
M: Giuseppe Cavallaro <peppe.cavallaro@st.com>
M: Alexandre Torgue <alexandre.torgue@st.com>
+M: Jose Abreu <joabreu@synopsys.com>
L: netdev@vger.kernel.org
W: http://www.stlinux.com
S: Supported
L: iommu@lists.linux-foundation.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb.git
S: Supported
-F: lib/swiotlb.c
+F: kernel/dma/swiotlb.c
F: arch/*/kernel/pci-swiotlb.c
F: include/linux/swiotlb.h
F: net/switchdev/
F: include/net/switchdev.h
+SY8106A REGULATOR DRIVER
+M: Icenowy Zheng <icenowy@aosc.io>
+S: Maintained
+F: drivers/regulator/sy8106a-regulator.c
+F: Documentation/devicetree/bindings/regulator/sy8106a-regulator.txt
+
SYNC FILE FRAMEWORK
M: Sumit Semwal <sumit.semwal@linaro.org>
R: Gustavo Padovan <gustavo@padovan.org>
M: Alexander Shishkin <alexander.shishkin@linux.intel.com>
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/ash/stm.git
-F: Documentation/trace/stm.txt
+F: Documentation/trace/stm.rst
F: drivers/hwtracing/stm/
F: include/linux/stm.h
F: include/uapi/linux/stm.h
F: include/uapi/linux/tc_ematch/
F: net/sched/
+TC90522 MEDIA DRIVER
+M: Akihiro Tsukada <tskd08@gmail.com>
+L: linux-media@vger.kernel.org
+S: Odd Fixes
+F: drivers/media/dvb-frontends/tc90522*
+
TCP LOW PRIORITY MODULE
M: "Wong Hoi Sing, Edison" <hswong3i@gmail.com>
M: "Hung Hing Lun, Mike" <hlhung3i@gmail.com>
S: Supported
F: drivers/input/keyboard/tegra-kbc.c
+TEGRA NAND DRIVER
+M: Stefan Agner <stefan@agner.ch>
+M: Lucas Stach <dev@lynxeye.de>
+S: Maintained
+F: Documentation/devicetree/bindings/mtd/nvidia-tegra20-nand.txt
+F: drivers/mtd/nand/raw/tegra_nand.c
+
TEGRA PWM DRIVER
M: Thierry Reding <thierry.reding@gmail.com>
S: Supported
F: Documentation/RCU/torture.txt
F: kernel/torture.c
F: kernel/rcu/rcutorture.c
+F: kernel/rcu/rcuperf.c
F: kernel/locking/locktorture.c
TOSHIBA ACPI EXTRAS DRIVER
M: Ingo Molnar <mingo@redhat.com>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
S: Maintained
-F: Documentation/trace/ftrace.txt
+F: Documentation/trace/ftrace.rst
F: arch/*/*/*/ftrace.h
F: arch/*/kernel/ftrace.c
F: include/*/ftrace.h
F: drivers/tc/
F: include/linux/tc.h
+TURBOSTAT UTILITY
+M: "Len Brown" <lenb@kernel.org>
+L: linux-pm@vger.kernel.org
+B: https://bugzilla.kernel.org
+Q: https://patchwork.kernel.org/project/linux-pm/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux.git turbostat
+S: Supported
+F: tools/power/x86/turbostat/
+
TW5864 VIDEO4LINUX DRIVER
M: Bluecherry Maintainers <maintainers@bluecherrydvr.com>
M: Anton Sviridenko <anton@corp.bluecherry.net>
M: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>
L: netdev@vger.kernel.org
S: Maintained
+F: Documentation/devicetree/bindings/net/microchip,lan78xx.txt
F: drivers/net/usb/lan78xx.*
+F: include/dt-bindings/net/microchip-lan78xx.h
USB MASS STORAGE DRIVER
M: Alan Stern <stern@rowland.harvard.edu>
F: Documentation/usb/usbip_protocol.txt
F: drivers/usb/usbip/
F: tools/usb/usbip/
+F: tools/testing/selftests/drivers/usb/usbip/
USB PEGASUS DRIVER
M: Petko Manolov <petkan@nucleusys.com>
S: Maintained
F: drivers/usb/typec/mux/pi3usb30532.c
-USB TYPEC SUBSYSTEM
+USB TYPEC CLASS
M: Heikki Krogerus <heikki.krogerus@linux.intel.com>
L: linux-usb@vger.kernel.org
S: Maintained
F: Documentation/ABI/testing/sysfs-class-typec
-F: Documentation/usb/typec.rst
+F: Documentation/driver-api/usb/typec.rst
F: drivers/usb/typec/
F: include/linux/usb/typec.h
+USB TYPEC BUS FOR ALTERNATE MODES
+M: Heikki Krogerus <heikki.krogerus@linux.intel.com>
+L: linux-usb@vger.kernel.org
+S: Maintained
+F: Documentation/ABI/testing/sysfs-bus-typec
+F: Documentation/driver-api/usb/typec_bus.rst
+F: drivers/usb/typec/altmodes/
+F: include/linux/usb/typec_altmode.h
+
USB UHCI DRIVER
M: Alan Stern <stern@rowland.harvard.edu>
L: linux-usb@vger.kernel.org
S: Maintained
F: drivers/usb/gadget/function/*uvc*
F: drivers/usb/gadget/legacy/webcam.c
+F: include/uapi/linux/usb/g_uvc.h
USB WIRELESS RNDIS DRIVER (rndis_wlan)
M: Jussi Kivilinna <jussi.kivilinna@iki.fi>
USER-MODE LINUX (UML)
M: Jeff Dike <jdike@addtoit.com>
M: Richard Weinberger <richard@nod.at>
-L: user-mode-linux-devel@lists.sourceforge.net
-L: user-mode-linux-user@lists.sourceforge.net
+L: linux-um@lists.infradead.org
W: http://user-mode-linux.sourceforge.net
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml.git
S: Maintained
S: Maintained
F: drivers/net/ethernet/via/via-velocity.*
+VICODEC VIRTUAL CODEC DRIVER
+M: Hans Verkuil <hans.verkuil@cisco.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+W: https://linuxtv.org
+S: Maintained
+F: drivers/media/platform/vicodec/*
+
VIDEO MULTIPLEXER DRIVER
M: Philipp Zabel <p.zabel@pengutronix.de>
L: linux-media@vger.kernel.org
S: Maintained
F: drivers/media/platform/video-mux.c
+VIDEO I2C POLLING DRIVER
+M: Matt Ranostay <matt.ranostay@konsulko.com>
+L: linux-media@vger.kernel.org
+S: Maintained
+F: drivers/media/i2c/video-i2c.c
+
VIDEOBUF2 FRAMEWORK
M: Pawel Osciak <pawel@osciak.com>
M: Marek Szyprowski <m.szyprowski@samsung.com>
VMWARE BALLOON DRIVER
M: Xavier Deguillard <xdeguillard@vmware.com>
-M: Philip Moltmann <moltmann@vmware.com>
+M: Nadav Amit <namit@vmware.com>
M: "VMware, Inc." <pv-drivers@vmware.com>
L: linux-kernel@vger.kernel.org
S: Maintained
W1 DALLAS'S 1-WIRE BUS
M: Evgeniy Polyakov <zbr@ioremap.net>
S: Maintained
+F: Documentation/devicetree/bindings/w1/
F: Documentation/w1/
F: drivers/w1/
F: include/linux/w1.h
L: linux-kernel@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core
S: Maintained
+F: Documentation/devicetree/bindings/x86/
F: Documentation/x86/
F: arch/x86/
+X86 ENTRY CODE
+M: Andy Lutomirski <luto@kernel.org>
+L: linux-kernel@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/asm
+S: Maintained
+F: arch/x86/entry/
+
X86 MCE INFRASTRUCTURE
M: Tony Luck <tony.luck@intel.com>
M: Borislav Petkov <bp@alien8.de>
F: drivers/platform/olpc/
X86 VDSO
-M: Andy Lutomirski <luto@amacapital.net>
+M: Andy Lutomirski <luto@kernel.org>
L: linux-kernel@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/vdso
S: Maintained
S: Maintained
F: drivers/media/tuners/tuner-xc2028.*
+XDP SOCKETS (AF_XDP)
+M: Björn Töpel <bjorn.topel@intel.com>
+M: Magnus Karlsson <magnus.karlsson@intel.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: kernel/bpf/xskmap.c
+F: net/xdp/
+
XEN BLOCK SUBSYSTEM
M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
M: Roger Pau Monné <roger.pau@citrix.com>
F: arch/x86/xen/*swiotlb*
F: drivers/xen/*swiotlb*
+XEN SOUND FRONTEND DRIVER
+M: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
+L: xen-devel@lists.xenproject.org (moderated for non-subscribers)
+L: alsa-devel@alsa-project.org (moderated for non-subscribers)
+S: Supported
+F: sound/xen/*
+
XFS FILESYSTEM
M: Darrick J. Wong <darrick.wong@oracle.com>
M: linux-xfs@vger.kernel.org
M: Henk Vergonet <Henk.Vergonet@gmail.com>
L: usbb2k-api-dev@nongnu.org
S: Maintained
-F: Documentation/input/yealink.rst
+F: Documentation/input/devices/yealink.rst
F: drivers/input/misc/yealink.*
Z8530 DRIVER FOR AX.25
W: http://mjpeg.sourceforge.net/driver-zoran/
T: hg https://linuxtv.org/hg/v4l-dvb
S: Odd Fixes
-F: drivers/media/pci/zoran/
+F: drivers/staging/media/zoran/
ZRAM COMPRESSED RAM BLOCK DEVICE DRVIER
M: Minchan Kim <minchan@kernel.org>
S: Maintained
F: mm/zsmalloc.c
F: include/linux/zsmalloc.h
-F: Documentation/vm/zsmalloc.txt
+F: Documentation/vm/zsmalloc.rst
ZSWAP COMPRESSED SWAP CACHING
M: Seth Jennings <sjenning@redhat.com>
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Should you need to contact me, the author, you can do so either by
- * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
- * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/module.h>
timeout = gameport_time(gameport, 10000); /* 10 ms */
- buf = kmalloc(BUF_SIZE * sizeof(struct joydump), GFP_KERNEL);
+ buf = kmalloc_array(BUF_SIZE, sizeof(struct joydump), GFP_KERNEL);
if (!buf) {
printk(KERN_INFO "joydump: no memory for testing\n");
goto jd_end;
To compile this driver as a module, choose M here: the
module will be called ad7879-spi.
+config TOUCHSCREEN_ADC
+ tristate "Generic ADC based resistive touchscreen"
+ depends on IIO
+ select IIO_BUFFER_CB
+ help
+ Say Y here if you want to use the generic ADC
+ resistive touchscreen driver.
+
+ If unsure, say N (but it's safe to say "Y").
+
+ To compile this driver as a module, choose M here: the
+ module will be called resistive-adc-touch.ko.
+
config TOUCHSCREEN_AR1021_I2C
tristate "Microchip AR1020/1021 i2c touchscreen"
depends on I2C && OF
To compile this driver as a module, choose M here: the
module will be called bu21013_ts.
+ config TOUCHSCREEN_BU21029
+ tristate "Rohm BU21029 based touch panel controllers"
+ depends on I2C
+ help
+ Say Y here if you have a Rohm BU21029 touchscreen controller
+ connected to your system.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called bu21029_ts.
+
config TOUCHSCREEN_CHIPONE_ICN8318
tristate "chipone icn8318 touchscreen controller"
depends on GPIOLIB || COMPILE_TEST
obj-$(CONFIG_TOUCHSCREEN_AD7879) += ad7879.o
obj-$(CONFIG_TOUCHSCREEN_AD7879_I2C) += ad7879-i2c.o
obj-$(CONFIG_TOUCHSCREEN_AD7879_SPI) += ad7879-spi.o
+obj-$(CONFIG_TOUCHSCREEN_ADC) += resistive-adc-touch.o
obj-$(CONFIG_TOUCHSCREEN_ADS7846) += ads7846.o
obj-$(CONFIG_TOUCHSCREEN_AR1021_I2C) += ar1021_i2c.o
obj-$(CONFIG_TOUCHSCREEN_ATMEL_MXT) += atmel_mxt_ts.o
obj-$(CONFIG_TOUCHSCREEN_AUO_PIXCIR) += auo-pixcir-ts.o
obj-$(CONFIG_TOUCHSCREEN_BU21013) += bu21013_ts.o
+ obj-$(CONFIG_TOUCHSCREEN_BU21029) += bu21029_ts.o
obj-$(CONFIG_TOUCHSCREEN_CHIPONE_ICN8318) += chipone_icn8318.o
obj-$(CONFIG_TOUCHSCREEN_CHIPONE_ICN8505) += chipone_icn8505.o
obj-$(CONFIG_TOUCHSCREEN_CY8CTMG110) += cy8ctmg110_ts.o
}
/* Return md raid10 algorithm for @name */
-static const int raid10_name_to_format(const char *name)
+static int raid10_name_to_format(const char *name)
{
if (!strcasecmp(name, "near"))
return ALGORITHM_RAID10_NEAR;
return ERR_PTR(-EINVAL);
}
- rs = kzalloc(sizeof(*rs) + raid_devs * sizeof(rs->dev[0]), GFP_KERNEL);
+ rs = kzalloc(struct_size(rs, dev, raid_devs), GFP_KERNEL);
if (!rs) {
ti->error = "Cannot allocate raid context";
return ERR_PTR(-ENOMEM);
/* Try loading the bitmap unless "raid0", which does not have one */
if (!rs_is_raid0(rs) &&
!test_and_set_bit(RT_FLAG_RS_BITMAP_LOADED, &rs->runtime_flags)) {
- r = bitmap_load(&rs->md);
+ r = md_bitmap_load(&rs->md);
if (r)
DMERR("Failed to load bitmap");
}
/* Resize bitmap to adjust to changed region size (aka MD bitmap chunksize) */
if (test_bit(RT_FLAG_RS_BITMAP_LOADED, &rs->runtime_flags) && mddev->bitmap &&
mddev->bitmap_info.chunksize != to_bytes(rs->requested_bitmap_chunk_sectors)) {
- r = bitmap_resize(mddev->bitmap, mddev->dev_sectors,
- to_bytes(rs->requested_bitmap_chunk_sectors), 0);
+ r = md_bitmap_resize(mddev->bitmap, mddev->dev_sectors,
+ to_bytes(rs->requested_bitmap_chunk_sectors), 0);
if (r)
DMERR("Failed to resize bitmap");
}
* if we find our page, we increment the page's refcount so that it stays
* allocated while we're using it
*/
- static int bitmap_checkpage(struct bitmap_counts *bitmap,
- unsigned long page, int create, int no_hijack)
+ static int md_bitmap_checkpage(struct bitmap_counts *bitmap,
+ unsigned long page, int create, int no_hijack)
__releases(bitmap->lock)
__acquires(bitmap->lock)
{
/* if page is completely empty, put it back on the free list, or dealloc it */
/* if page was hijacked, unmark the flag so it might get alloced next time */
/* Note: lock should be held when calling this */
- static void bitmap_checkfree(struct bitmap_counts *bitmap, unsigned long page)
+ static void md_bitmap_checkfree(struct bitmap_counts *bitmap, unsigned long page)
{
char *ptr;
return -EINVAL;
}
- static void bitmap_file_kick(struct bitmap *bitmap);
+ static void md_bitmap_file_kick(struct bitmap *bitmap);
/*
* write out a page to a file
*/
atomic_read(&bitmap->pending_writes)==0);
}
if (test_bit(BITMAP_WRITE_ERROR, &bitmap->flags))
- bitmap_file_kick(bitmap);
+ md_bitmap_file_kick(bitmap);
}
static void end_bitmap_write(struct buffer_head *bh, int uptodate)
*/
/*
- * bitmap_wait_writes() should be called before writing any bitmap
+ * md_bitmap_wait_writes() should be called before writing any bitmap
* blocks, to ensure previous writes, particularly from
- * bitmap_daemon_work(), have completed.
+ * md_bitmap_daemon_work(), have completed.
*/
- static void bitmap_wait_writes(struct bitmap *bitmap)
+ static void md_bitmap_wait_writes(struct bitmap *bitmap)
{
if (bitmap->storage.file)
wait_event(bitmap->write_wait,
/* update the event counter and sync the superblock to disk */
- void bitmap_update_sb(struct bitmap *bitmap)
+ void md_bitmap_update_sb(struct bitmap *bitmap)
{
bitmap_super_t *sb;
kunmap_atomic(sb);
write_page(bitmap, bitmap->storage.sb_page, 1);
}
- EXPORT_SYMBOL(bitmap_update_sb);
+ EXPORT_SYMBOL(md_bitmap_update_sb);
/* print out the bitmap file superblock */
- void bitmap_print_sb(struct bitmap *bitmap)
+ void md_bitmap_print_sb(struct bitmap *bitmap)
{
bitmap_super_t *sb;
*
* Returns: 0 on success, -Exxx on error
*/
- static int bitmap_new_disk_sb(struct bitmap *bitmap)
+ static int md_bitmap_new_disk_sb(struct bitmap *bitmap)
{
bitmap_super_t *sb;
unsigned long chunksize, daemon_sleep, write_behind;
}
/* read the superblock from the bitmap file and initialize some bitmap fields */
- static int bitmap_read_sb(struct bitmap *bitmap)
+ static int md_bitmap_read_sb(struct bitmap *bitmap)
{
char *reason = NULL;
bitmap_super_t *sb;
bitmap->mddev->bitmap_info.space > sectors_reserved)
bitmap->mddev->bitmap_info.space = sectors_reserved;
if (err) {
- bitmap_print_sb(bitmap);
+ md_bitmap_print_sb(bitmap);
if (bitmap->cluster_slot < 0)
md_cluster_stop(bitmap->mddev);
}
return store->filemap[file_page_index(store, chunk)];
}
- static int bitmap_storage_alloc(struct bitmap_storage *store,
- unsigned long chunks, int with_super,
- int slot_number)
+ static int md_bitmap_storage_alloc(struct bitmap_storage *store,
+ unsigned long chunks, int with_super,
+ int slot_number)
{
int pnum, offset = 0;
unsigned long num_pages;
num_pages = DIV_ROUND_UP(bytes, PAGE_SIZE);
offset = slot_number * num_pages;
- store->filemap = kmalloc(sizeof(struct page *)
- * num_pages, GFP_KERNEL);
+ store->filemap = kmalloc_array(num_pages, sizeof(struct page *),
+ GFP_KERNEL);
if (!store->filemap)
return -ENOMEM;
return 0;
}
- static void bitmap_file_unmap(struct bitmap_storage *store)
+ static void md_bitmap_file_unmap(struct bitmap_storage *store)
{
struct page **map, *sb_page;
int pages;
* then it is no longer reliable, so we stop using it and we mark the file
* as failed in the superblock
*/
- static void bitmap_file_kick(struct bitmap *bitmap)
+ static void md_bitmap_file_kick(struct bitmap *bitmap)
{
char *path, *ptr = NULL;
if (!test_and_set_bit(BITMAP_STALE, &bitmap->flags)) {
- bitmap_update_sb(bitmap);
+ md_bitmap_update_sb(bitmap);
if (bitmap->storage.file) {
path = kmalloc(PAGE_SIZE, GFP_KERNEL);
* we set the bit immediately, then we record the page number so that
* when an unplug occurs, we can flush the dirty pages out to disk
*/
- static void bitmap_file_set_bit(struct bitmap *bitmap, sector_t block)
+ static void md_bitmap_file_set_bit(struct bitmap *bitmap, sector_t block)
{
unsigned long bit;
struct page *page;
set_page_attr(bitmap, page->index - node_offset, BITMAP_PAGE_DIRTY);
}
- static void bitmap_file_clear_bit(struct bitmap *bitmap, sector_t block)
+ static void md_bitmap_file_clear_bit(struct bitmap *bitmap, sector_t block)
{
unsigned long bit;
struct page *page;
}
}
- static int bitmap_file_test_bit(struct bitmap *bitmap, sector_t block)
+ static int md_bitmap_file_test_bit(struct bitmap *bitmap, sector_t block)
{
unsigned long bit;
struct page *page;
/* this gets called when the md device is ready to unplug its underlying
* (slave) device queues -- before we let any writes go down, we need to
* sync the dirty pages of the bitmap file to disk */
- void bitmap_unplug(struct bitmap *bitmap)
+ void md_bitmap_unplug(struct bitmap *bitmap)
{
unsigned long i;
int dirty, need_write;
BITMAP_PAGE_NEEDWRITE);
if (dirty || need_write) {
if (!writing) {
- bitmap_wait_writes(bitmap);
+ md_bitmap_wait_writes(bitmap);
if (bitmap->mddev->queue)
blk_add_trace_msg(bitmap->mddev->queue,
"md bitmap_unplug");
}
}
if (writing)
- bitmap_wait_writes(bitmap);
+ md_bitmap_wait_writes(bitmap);
if (test_bit(BITMAP_WRITE_ERROR, &bitmap->flags))
- bitmap_file_kick(bitmap);
+ md_bitmap_file_kick(bitmap);
}
- EXPORT_SYMBOL(bitmap_unplug);
+ EXPORT_SYMBOL(md_bitmap_unplug);
- static void bitmap_set_memory_bits(struct bitmap *bitmap, sector_t offset, int needed);
+ static void md_bitmap_set_memory_bits(struct bitmap *bitmap, sector_t offset, int needed);
/* * bitmap_init_from_disk -- called at bitmap_create time to initialize
* the in-memory bitmap from the on-disk bitmap -- also, sets up the
* memory mapping of the bitmap file
* We ignore all bits for sectors that end earlier than 'start'.
* This is used when reading an out-of-date bitmap...
*/
- static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start)
+ static int md_bitmap_init_from_disk(struct bitmap *bitmap, sector_t start)
{
unsigned long i, chunks, index, oldindex, bit, node_offset = 0;
struct page *page = NULL;
/* if the disk bit is set, set the memory bit */
int needed = ((sector_t)(i+1) << (bitmap->counts.chunkshift)
>= start);
- bitmap_set_memory_bits(bitmap,
- (sector_t)i << bitmap->counts.chunkshift,
- needed);
+ md_bitmap_set_memory_bits(bitmap,
+ (sector_t)i << bitmap->counts.chunkshift,
+ needed);
}
return 0;
}
/* if the disk bit is set, set the memory bit */
int needed = ((sector_t)(i+1) << bitmap->counts.chunkshift
>= start);
- bitmap_set_memory_bits(bitmap,
- (sector_t)i << bitmap->counts.chunkshift,
- needed);
+ md_bitmap_set_memory_bits(bitmap,
+ (sector_t)i << bitmap->counts.chunkshift,
+ needed);
bit_cnt++;
}
offset = 0;
return ret;
}
- void bitmap_write_all(struct bitmap *bitmap)
+ void md_bitmap_write_all(struct bitmap *bitmap)
{
/* We don't actually write all bitmap blocks here,
* just flag them as needing to be written
bitmap->allclean = 0;
}
- static void bitmap_count_page(struct bitmap_counts *bitmap,
- sector_t offset, int inc)
+ static void md_bitmap_count_page(struct bitmap_counts *bitmap,
+ sector_t offset, int inc)
{
sector_t chunk = offset >> bitmap->chunkshift;
unsigned long page = chunk >> PAGE_COUNTER_SHIFT;
bitmap->bp[page].count += inc;
- bitmap_checkfree(bitmap, page);
+ md_bitmap_checkfree(bitmap, page);
}
- static void bitmap_set_pending(struct bitmap_counts *bitmap, sector_t offset)
+ static void md_bitmap_set_pending(struct bitmap_counts *bitmap, sector_t offset)
{
sector_t chunk = offset >> bitmap->chunkshift;
unsigned long page = chunk >> PAGE_COUNTER_SHIFT;
bp->pending = 1;
}
- static bitmap_counter_t *bitmap_get_counter(struct bitmap_counts *bitmap,
- sector_t offset, sector_t *blocks,
- int create);
+ static bitmap_counter_t *md_bitmap_get_counter(struct bitmap_counts *bitmap,
+ sector_t offset, sector_t *blocks,
+ int create);
/*
* bitmap daemon -- periodically wakes up to clean bits and flush pages
* out to disk
*/
- void bitmap_daemon_work(struct mddev *mddev)
+ void md_bitmap_daemon_work(struct mddev *mddev)
{
struct bitmap *bitmap;
unsigned long j;
}
counts->bp[j >> PAGE_COUNTER_SHIFT].pending = 0;
}
- bmc = bitmap_get_counter(counts,
- block,
- &blocks, 0);
+ bmc = md_bitmap_get_counter(counts, block, &blocks, 0);
if (!bmc) {
j |= PAGE_COUNTER_MASK;
continue;
if (*bmc == 1 && !bitmap->need_sync) {
/* We can clear the bit */
*bmc = 0;
- bitmap_count_page(counts, block, -1);
- bitmap_file_clear_bit(bitmap, block);
+ md_bitmap_count_page(counts, block, -1);
+ md_bitmap_file_clear_bit(bitmap, block);
} else if (*bmc && *bmc <= 2) {
*bmc = 1;
- bitmap_set_pending(counts, block);
+ md_bitmap_set_pending(counts, block);
bitmap->allclean = 0;
}
}
spin_unlock_irq(&counts->lock);
- bitmap_wait_writes(bitmap);
+ md_bitmap_wait_writes(bitmap);
/* Now start writeout on any page in NEEDWRITE that isn't DIRTY.
* DIRTY pages need to be written by bitmap_unplug so it can wait
* for them.
mutex_unlock(&mddev->bitmap_info.mutex);
}
- static bitmap_counter_t *bitmap_get_counter(struct bitmap_counts *bitmap,
- sector_t offset, sector_t *blocks,
- int create)
+ static bitmap_counter_t *md_bitmap_get_counter(struct bitmap_counts *bitmap,
+ sector_t offset, sector_t *blocks,
+ int create)
__releases(bitmap->lock)
__acquires(bitmap->lock)
{
sector_t csize;
int err;
- err = bitmap_checkpage(bitmap, page, create, 0);
+ err = md_bitmap_checkpage(bitmap, page, create, 0);
if (bitmap->bp[page].hijacked ||
bitmap->bp[page].map == NULL)
&(bitmap->bp[page].map[pageoff]);
}
- int bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sectors, int behind)
+ int md_bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sectors, int behind)
{
if (!bitmap)
return 0;
bitmap_counter_t *bmc;
spin_lock_irq(&bitmap->counts.lock);
- bmc = bitmap_get_counter(&bitmap->counts, offset, &blocks, 1);
+ bmc = md_bitmap_get_counter(&bitmap->counts, offset, &blocks, 1);
if (!bmc) {
spin_unlock_irq(&bitmap->counts.lock);
return 0;
switch (*bmc) {
case 0:
- bitmap_file_set_bit(bitmap, offset);
- bitmap_count_page(&bitmap->counts, offset, 1);
+ md_bitmap_file_set_bit(bitmap, offset);
+ md_bitmap_count_page(&bitmap->counts, offset, 1);
/* fall through */
case 1:
*bmc = 2;
}
return 0;
}
- EXPORT_SYMBOL(bitmap_startwrite);
+ EXPORT_SYMBOL(md_bitmap_startwrite);
- void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long sectors,
- int success, int behind)
+ void md_bitmap_endwrite(struct bitmap *bitmap, sector_t offset,
+ unsigned long sectors, int success, int behind)
{
if (!bitmap)
return;
bitmap_counter_t *bmc;
spin_lock_irqsave(&bitmap->counts.lock, flags);
- bmc = bitmap_get_counter(&bitmap->counts, offset, &blocks, 0);
+ bmc = md_bitmap_get_counter(&bitmap->counts, offset, &blocks, 0);
if (!bmc) {
spin_unlock_irqrestore(&bitmap->counts.lock, flags);
return;
(*bmc)--;
if (*bmc <= 2) {
- bitmap_set_pending(&bitmap->counts, offset);
+ md_bitmap_set_pending(&bitmap->counts, offset);
bitmap->allclean = 0;
}
spin_unlock_irqrestore(&bitmap->counts.lock, flags);
sectors = 0;
}
}
- EXPORT_SYMBOL(bitmap_endwrite);
+ EXPORT_SYMBOL(md_bitmap_endwrite);
static int __bitmap_start_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks,
int degraded)
return 1; /* always resync if no bitmap */
}
spin_lock_irq(&bitmap->counts.lock);
- bmc = bitmap_get_counter(&bitmap->counts, offset, blocks, 0);
+ bmc = md_bitmap_get_counter(&bitmap->counts, offset, blocks, 0);
rv = 0;
if (bmc) {
/* locked */
return rv;
}
- int bitmap_start_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks,
- int degraded)
+ int md_bitmap_start_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks,
+ int degraded)
{
/* bitmap_start_sync must always report on multiples of whole
* pages, otherwise resync (which is very PAGE_SIZE based) will
}
return rv;
}
- EXPORT_SYMBOL(bitmap_start_sync);
+ EXPORT_SYMBOL(md_bitmap_start_sync);
- void bitmap_end_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks, int aborted)
+ void md_bitmap_end_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks, int aborted)
{
bitmap_counter_t *bmc;
unsigned long flags;
return;
}
spin_lock_irqsave(&bitmap->counts.lock, flags);
- bmc = bitmap_get_counter(&bitmap->counts, offset, blocks, 0);
+ bmc = md_bitmap_get_counter(&bitmap->counts, offset, blocks, 0);
if (bmc == NULL)
goto unlock;
/* locked */
*bmc |= NEEDED_MASK;
else {
if (*bmc <= 2) {
- bitmap_set_pending(&bitmap->counts, offset);
+ md_bitmap_set_pending(&bitmap->counts, offset);
bitmap->allclean = 0;
}
}
unlock:
spin_unlock_irqrestore(&bitmap->counts.lock, flags);
}
- EXPORT_SYMBOL(bitmap_end_sync);
+ EXPORT_SYMBOL(md_bitmap_end_sync);
- void bitmap_close_sync(struct bitmap *bitmap)
+ void md_bitmap_close_sync(struct bitmap *bitmap)
{
/* Sync has finished, and any bitmap chunks that weren't synced
* properly have been aborted. It remains to us to clear the
if (!bitmap)
return;
while (sector < bitmap->mddev->resync_max_sectors) {
- bitmap_end_sync(bitmap, sector, &blocks, 0);
+ md_bitmap_end_sync(bitmap, sector, &blocks, 0);
sector += blocks;
}
}
- EXPORT_SYMBOL(bitmap_close_sync);
+ EXPORT_SYMBOL(md_bitmap_close_sync);
- void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector, bool force)
+ void md_bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector, bool force)
{
sector_t s = 0;
sector_t blocks;
sector &= ~((1ULL << bitmap->counts.chunkshift) - 1);
s = 0;
while (s < sector && s < bitmap->mddev->resync_max_sectors) {
- bitmap_end_sync(bitmap, s, &blocks, 0);
+ md_bitmap_end_sync(bitmap, s, &blocks, 0);
s += blocks;
}
bitmap->last_end_sync = jiffies;
sysfs_notify(&bitmap->mddev->kobj, NULL, "sync_completed");
}
- EXPORT_SYMBOL(bitmap_cond_end_sync);
+ EXPORT_SYMBOL(md_bitmap_cond_end_sync);
- void bitmap_sync_with_cluster(struct mddev *mddev,
+ void md_bitmap_sync_with_cluster(struct mddev *mddev,
sector_t old_lo, sector_t old_hi,
sector_t new_lo, sector_t new_hi)
{
sector_t sector, blocks = 0;
for (sector = old_lo; sector < new_lo; ) {
- bitmap_end_sync(bitmap, sector, &blocks, 0);
+ md_bitmap_end_sync(bitmap, sector, &blocks, 0);
sector += blocks;
}
WARN((blocks > new_lo) && old_lo, "alignment is not correct for lo\n");
for (sector = old_hi; sector < new_hi; ) {
- bitmap_start_sync(bitmap, sector, &blocks, 0);
+ md_bitmap_start_sync(bitmap, sector, &blocks, 0);
sector += blocks;
}
WARN((blocks > new_hi) && old_hi, "alignment is not correct for hi\n");
}
- EXPORT_SYMBOL(bitmap_sync_with_cluster);
+ EXPORT_SYMBOL(md_bitmap_sync_with_cluster);
- static void bitmap_set_memory_bits(struct bitmap *bitmap, sector_t offset, int needed)
+ static void md_bitmap_set_memory_bits(struct bitmap *bitmap, sector_t offset, int needed)
{
/* For each chunk covered by any of these sectors, set the
* counter to 2 and possibly set resync_needed. They should all
sector_t secs;
bitmap_counter_t *bmc;
spin_lock_irq(&bitmap->counts.lock);
- bmc = bitmap_get_counter(&bitmap->counts, offset, &secs, 1);
+ bmc = md_bitmap_get_counter(&bitmap->counts, offset, &secs, 1);
if (!bmc) {
spin_unlock_irq(&bitmap->counts.lock);
return;
}
if (!*bmc) {
*bmc = 2;
- bitmap_count_page(&bitmap->counts, offset, 1);
- bitmap_set_pending(&bitmap->counts, offset);
+ md_bitmap_count_page(&bitmap->counts, offset, 1);
+ md_bitmap_set_pending(&bitmap->counts, offset);
bitmap->allclean = 0;
}
if (needed)
}
/* dirty the memory and file bits for bitmap chunks "s" to "e" */
- void bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e)
+ void md_bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e)
{
unsigned long chunk;
for (chunk = s; chunk <= e; chunk++) {
sector_t sec = (sector_t)chunk << bitmap->counts.chunkshift;
- bitmap_set_memory_bits(bitmap, sec, 1);
- bitmap_file_set_bit(bitmap, sec);
+ md_bitmap_set_memory_bits(bitmap, sec, 1);
+ md_bitmap_file_set_bit(bitmap, sec);
if (sec < bitmap->mddev->recovery_cp)
/* We are asserting that the array is dirty,
* so move the recovery_cp address back so
/*
* flush out any pending updates
*/
- void bitmap_flush(struct mddev *mddev)
+ void md_bitmap_flush(struct mddev *mddev)
{
struct bitmap *bitmap = mddev->bitmap;
long sleep;
*/
sleep = mddev->bitmap_info.daemon_sleep * 2;
bitmap->daemon_lastrun -= sleep;
- bitmap_daemon_work(mddev);
+ md_bitmap_daemon_work(mddev);
bitmap->daemon_lastrun -= sleep;
- bitmap_daemon_work(mddev);
+ md_bitmap_daemon_work(mddev);
bitmap->daemon_lastrun -= sleep;
- bitmap_daemon_work(mddev);
- bitmap_update_sb(bitmap);
+ md_bitmap_daemon_work(mddev);
+ md_bitmap_update_sb(bitmap);
}
/*
* free memory that was allocated
*/
- void bitmap_free(struct bitmap *bitmap)
+ void md_bitmap_free(struct bitmap *bitmap)
{
unsigned long k, pages;
struct bitmap_page *bp;
atomic_read(&bitmap->pending_writes) == 0);
/* release the bitmap file */
- bitmap_file_unmap(&bitmap->storage);
+ md_bitmap_file_unmap(&bitmap->storage);
bp = bitmap->counts.bp;
pages = bitmap->counts.pages;
kfree(bp);
kfree(bitmap);
}
- EXPORT_SYMBOL(bitmap_free);
+ EXPORT_SYMBOL(md_bitmap_free);
- void bitmap_wait_behind_writes(struct mddev *mddev)
+ void md_bitmap_wait_behind_writes(struct mddev *mddev)
{
struct bitmap *bitmap = mddev->bitmap;
}
}
- void bitmap_destroy(struct mddev *mddev)
+ void md_bitmap_destroy(struct mddev *mddev)
{
struct bitmap *bitmap = mddev->bitmap;
if (!bitmap) /* there was no bitmap */
return;
- bitmap_wait_behind_writes(mddev);
+ md_bitmap_wait_behind_writes(mddev);
mutex_lock(&mddev->bitmap_info.mutex);
spin_lock(&mddev->lock);
if (mddev->thread)
mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT;
- bitmap_free(bitmap);
+ md_bitmap_free(bitmap);
}
/*
* if this returns an error, bitmap_destroy must be called to do clean up
* once mddev->bitmap is set
*/
- struct bitmap *bitmap_create(struct mddev *mddev, int slot)
+ struct bitmap *md_bitmap_create(struct mddev *mddev, int slot)
{
struct bitmap *bitmap;
sector_t blocks = mddev->resync_max_sectors;
* instructing us to create a new on-disk bitmap instance.
*/
if (test_and_clear_bit(MD_ARRAY_FIRST_USE, &mddev->flags))
- err = bitmap_new_disk_sb(bitmap);
+ err = md_bitmap_new_disk_sb(bitmap);
else
- err = bitmap_read_sb(bitmap);
+ err = md_bitmap_read_sb(bitmap);
} else {
err = 0;
if (mddev->bitmap_info.chunksize == 0 ||
goto error;
bitmap->daemon_lastrun = jiffies;
- err = bitmap_resize(bitmap, blocks, mddev->bitmap_info.chunksize, 1);
+ err = md_bitmap_resize(bitmap, blocks, mddev->bitmap_info.chunksize, 1);
if (err)
goto error;
return bitmap;
error:
- bitmap_free(bitmap);
+ md_bitmap_free(bitmap);
return ERR_PTR(err);
}
- int bitmap_load(struct mddev *mddev)
+ int md_bitmap_load(struct mddev *mddev)
{
int err = 0;
sector_t start = 0;
*/
while (sector < mddev->resync_max_sectors) {
sector_t blocks;
- bitmap_start_sync(bitmap, sector, &blocks, 0);
+ md_bitmap_start_sync(bitmap, sector, &blocks, 0);
sector += blocks;
}
- bitmap_close_sync(bitmap);
+ md_bitmap_close_sync(bitmap);
if (mddev->degraded == 0
|| bitmap->events_cleared == mddev->events)
start = mddev->recovery_cp;
mutex_lock(&mddev->bitmap_info.mutex);
- err = bitmap_init_from_disk(bitmap, start);
+ err = md_bitmap_init_from_disk(bitmap, start);
mutex_unlock(&mddev->bitmap_info.mutex);
if (err)
mddev->thread->timeout = mddev->bitmap_info.daemon_sleep;
md_wakeup_thread(mddev->thread);
- bitmap_update_sb(bitmap);
+ md_bitmap_update_sb(bitmap);
if (test_bit(BITMAP_WRITE_ERROR, &bitmap->flags))
err = -EIO;
out:
return err;
}
- EXPORT_SYMBOL_GPL(bitmap_load);
+ EXPORT_SYMBOL_GPL(md_bitmap_load);
struct bitmap *get_bitmap_from_slot(struct mddev *mddev, int slot)
{
int rv = 0;
struct bitmap *bitmap;
- bitmap = bitmap_create(mddev, slot);
+ bitmap = md_bitmap_create(mddev, slot);
if (IS_ERR(bitmap)) {
rv = PTR_ERR(bitmap);
return ERR_PTR(rv);
}
- rv = bitmap_init_from_disk(bitmap, 0);
+ rv = md_bitmap_init_from_disk(bitmap, 0);
if (rv) {
- bitmap_free(bitmap);
+ md_bitmap_free(bitmap);
return ERR_PTR(rv);
}
/* Loads the bitmap associated with slot and copies the resync information
* to our bitmap
*/
- int bitmap_copy_from_slot(struct mddev *mddev, int slot,
+ int md_bitmap_copy_from_slot(struct mddev *mddev, int slot,
sector_t *low, sector_t *high, bool clear_bits)
{
int rv = 0, i, j;
counts = &bitmap->counts;
for (j = 0; j < counts->chunks; j++) {
block = (sector_t)j << counts->chunkshift;
- if (bitmap_file_test_bit(bitmap, block)) {
+ if (md_bitmap_file_test_bit(bitmap, block)) {
if (!lo)
lo = block;
hi = block;
- bitmap_file_clear_bit(bitmap, block);
- bitmap_set_memory_bits(mddev->bitmap, block, 1);
- bitmap_file_set_bit(mddev->bitmap, block);
+ md_bitmap_file_clear_bit(bitmap, block);
+ md_bitmap_set_memory_bits(mddev->bitmap, block, 1);
+ md_bitmap_file_set_bit(mddev->bitmap, block);
}
}
if (clear_bits) {
- bitmap_update_sb(bitmap);
+ md_bitmap_update_sb(bitmap);
/* BITMAP_PAGE_PENDING is set, but bitmap_unplug needs
* BITMAP_PAGE_DIRTY or _NEEDWRITE to write ... */
for (i = 0; i < bitmap->storage.file_pages; i++)
if (test_page_attr(bitmap, i, BITMAP_PAGE_PENDING))
set_page_attr(bitmap, i, BITMAP_PAGE_NEEDWRITE);
- bitmap_unplug(bitmap);
+ md_bitmap_unplug(bitmap);
}
- bitmap_unplug(mddev->bitmap);
+ md_bitmap_unplug(mddev->bitmap);
*low = lo;
*high = hi;
return rv;
}
- EXPORT_SYMBOL_GPL(bitmap_copy_from_slot);
+ EXPORT_SYMBOL_GPL(md_bitmap_copy_from_slot);
- void bitmap_status(struct seq_file *seq, struct bitmap *bitmap)
+ void md_bitmap_status(struct seq_file *seq, struct bitmap *bitmap)
{
unsigned long chunk_kb;
struct bitmap_counts *counts;
seq_printf(seq, "\n");
}
- int bitmap_resize(struct bitmap *bitmap, sector_t blocks,
+ int md_bitmap_resize(struct bitmap *bitmap, sector_t blocks,
int chunksize, int init)
{
/* If chunk_size is 0, choose an appropriate chunk size.
chunks = DIV_ROUND_UP_SECTOR_T(blocks, 1 << chunkshift);
memset(&store, 0, sizeof(store));
if (bitmap->mddev->bitmap_info.offset || bitmap->mddev->bitmap_info.file)
- ret = bitmap_storage_alloc(&store, chunks,
- !bitmap->mddev->bitmap_info.external,
- mddev_is_clustered(bitmap->mddev)
- ? bitmap->cluster_slot : 0);
+ ret = md_bitmap_storage_alloc(&store, chunks,
+ !bitmap->mddev->bitmap_info.external,
+ mddev_is_clustered(bitmap->mddev)
+ ? bitmap->cluster_slot : 0);
if (ret) {
- bitmap_file_unmap(&store);
+ md_bitmap_file_unmap(&store);
goto err;
}
pages = DIV_ROUND_UP(chunks, PAGE_COUNTER_RATIO);
- new_bp = kzalloc(pages * sizeof(*new_bp), GFP_KERNEL);
+ new_bp = kcalloc(pages, sizeof(*new_bp), GFP_KERNEL);
ret = -ENOMEM;
if (!new_bp) {
- bitmap_file_unmap(&store);
+ md_bitmap_file_unmap(&store);
goto err;
}
memcpy(page_address(store.sb_page),
page_address(bitmap->storage.sb_page),
sizeof(bitmap_super_t));
- bitmap_file_unmap(&bitmap->storage);
+ md_bitmap_file_unmap(&bitmap->storage);
bitmap->storage = store;
old_counts = bitmap->counts;
if (mddev_is_clustered(bitmap->mddev)) {
unsigned long page;
for (page = 0; page < pages; page++) {
- ret = bitmap_checkpage(&bitmap->counts, page, 1, 1);
+ ret = md_bitmap_checkpage(&bitmap->counts, page, 1, 1);
if (ret) {
unsigned long k;
bitmap_counter_t *bmc_old, *bmc_new;
int set;
- bmc_old = bitmap_get_counter(&old_counts, block,
- &old_blocks, 0);
+ bmc_old = md_bitmap_get_counter(&old_counts, block, &old_blocks, 0);
set = bmc_old && NEEDED(*bmc_old);
if (set) {
- bmc_new = bitmap_get_counter(&bitmap->counts, block,
- &new_blocks, 1);
+ bmc_new = md_bitmap_get_counter(&bitmap->counts, block, &new_blocks, 1);
if (*bmc_new == 0) {
/* need to set on-disk bits too. */
sector_t end = block + new_blocks;
sector_t start = block >> chunkshift;
start <<= chunkshift;
while (start < end) {
- bitmap_file_set_bit(bitmap, block);
+ md_bitmap_file_set_bit(bitmap, block);
start += 1 << chunkshift;
}
*bmc_new = 2;
- bitmap_count_page(&bitmap->counts,
- block, 1);
- bitmap_set_pending(&bitmap->counts,
- block);
+ md_bitmap_count_page(&bitmap->counts, block, 1);
+ md_bitmap_set_pending(&bitmap->counts, block);
}
*bmc_new |= NEEDED_MASK;
if (new_blocks < old_blocks)
int i;
while (block < (chunks << chunkshift)) {
bitmap_counter_t *bmc;
- bmc = bitmap_get_counter(&bitmap->counts, block,
- &new_blocks, 1);
+ bmc = md_bitmap_get_counter(&bitmap->counts, block, &new_blocks, 1);
if (bmc) {
/* new space. It needs to be resynced, so
* we set NEEDED_MASK.
*/
if (*bmc == 0) {
*bmc = NEEDED_MASK | 2;
- bitmap_count_page(&bitmap->counts,
- block, 1);
- bitmap_set_pending(&bitmap->counts,
- block);
+ md_bitmap_count_page(&bitmap->counts, block, 1);
+ md_bitmap_set_pending(&bitmap->counts, block);
}
}
block += new_blocks;
spin_unlock_irq(&bitmap->counts.lock);
if (!init) {
- bitmap_unplug(bitmap);
+ md_bitmap_unplug(bitmap);
bitmap->mddev->pers->quiesce(bitmap->mddev, 0);
}
ret = 0;
err:
return ret;
}
- EXPORT_SYMBOL_GPL(bitmap_resize);
+ EXPORT_SYMBOL_GPL(md_bitmap_resize);
static ssize_t
location_show(struct mddev *mddev, char *page)
}
if (mddev->pers) {
mddev->pers->quiesce(mddev, 1);
- bitmap_destroy(mddev);
+ md_bitmap_destroy(mddev);
mddev->pers->quiesce(mddev, 0);
}
mddev->bitmap_info.offset = 0;
if (mddev->pers) {
struct bitmap *bitmap;
mddev->pers->quiesce(mddev, 1);
- bitmap = bitmap_create(mddev, -1);
+ bitmap = md_bitmap_create(mddev, -1);
if (IS_ERR(bitmap))
rv = PTR_ERR(bitmap);
else {
mddev->bitmap = bitmap;
- rv = bitmap_load(mddev);
+ rv = md_bitmap_load(mddev);
if (rv)
mddev->bitmap_info.offset = 0;
}
mddev->pers->quiesce(mddev, 0);
if (rv) {
- bitmap_destroy(mddev);
+ md_bitmap_destroy(mddev);
goto out;
}
}
while (cinfo->recovery_map) {
slot = fls64((u64)cinfo->recovery_map) - 1;
- /* Clear suspend_area associated with the bitmap */
- spin_lock_irq(&cinfo->suspend_lock);
- list_for_each_entry_safe(s, tmp, &cinfo->suspend_list, list)
- if (slot == s->slot) {
- list_del(&s->list);
- kfree(s);
- }
- spin_unlock_irq(&cinfo->suspend_lock);
-
snprintf(str, 64, "bitmap%04d", slot);
bm_lockres = lockres_init(mddev, str, NULL, 1);
if (!bm_lockres) {
str, ret);
goto clear_bit;
}
- ret = bitmap_copy_from_slot(mddev, slot, &lo, &hi, true);
+ ret = md_bitmap_copy_from_slot(mddev, slot, &lo, &hi, true);
if (ret) {
pr_err("md-cluster: Could not copy data from bitmap %d\n", slot);
goto clear_bit;
}
+
+ /* Clear suspend_area associated with the bitmap */
+ spin_lock_irq(&cinfo->suspend_lock);
+ list_for_each_entry_safe(s, tmp, &cinfo->suspend_list, list)
+ if (slot == s->slot) {
+ list_del(&s->list);
+ kfree(s);
+ }
+ spin_unlock_irq(&cinfo->suspend_lock);
+
if (hi > 0) {
if (lo < mddev->recovery_cp)
mddev->recovery_cp = lo;
/* wake up thread to continue resync in case resync
* is not finished */
if (mddev->recovery_cp != MaxSector) {
- set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
- md_wakeup_thread(mddev->thread);
+ /*
+ * clear the REMOTE flag since we will launch
+ * resync thread in current node.
+ */
+ clear_bit(MD_RESYNCING_REMOTE,
+ &mddev->recovery);
+ set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
+ md_wakeup_thread(mddev->thread);
}
}
clear_bit:
struct suspend_info *s;
if (!hi) {
+ /*
+ * clear the REMOTE flag since resync or recovery is finished
+ * in remote node.
+ */
+ clear_bit(MD_RESYNCING_REMOTE, &mddev->recovery);
remove_suspend_info(mddev, slot);
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
md_wakeup_thread(mddev->thread);
* resync thread is running in another node,
* so we don't need to do the resync again
* with the same section */
- bitmap_sync_with_cluster(mddev, cinfo->sync_low,
- cinfo->sync_hi,
- lo, hi);
+ md_bitmap_sync_with_cluster(mddev, cinfo->sync_low, cinfo->sync_hi, lo, hi);
cinfo->sync_low = lo;
cinfo->sync_hi = hi;
revalidate_disk(mddev->gendisk);
break;
case RESYNCING:
+ set_bit(MD_RESYNCING_REMOTE, &mddev->recovery);
process_suspend_info(mddev, le32_to_cpu(msg->slot),
le64_to_cpu(msg->low),
le64_to_cpu(msg->high));
}
/* Read the disk bitmap sb and check if it needs recovery */
- ret = bitmap_copy_from_slot(mddev, i, &lo, &hi, false);
+ ret = md_bitmap_copy_from_slot(mddev, i, &lo, &hi, false);
if (ret) {
pr_warn("md-cluster: Could not gather bitmaps from slot %d", i);
lockres_free(bm_lockres);
bm_lockres = lockres_init(mddev, str, NULL, 1);
if (!bm_lockres) {
pr_err("md-cluster: Cannot initialize %s\n", str);
- bitmap_free(bitmap);
+ md_bitmap_free(bitmap);
return -1;
}
bm_lockres->flags |= DLM_LKF_NOQUEUE;
rv = dlm_lock_sync(bm_lockres, DLM_LOCK_PW);
if (!rv)
- bitmap_update_sb(bitmap);
+ md_bitmap_update_sb(bitmap);
lockres_free(bm_lockres);
sb = kmap_atomic(bitmap->storage.sb_page);
sync_size = sb->sync_size;
else if (sync_size != sb->sync_size) {
kunmap_atomic(sb);
- bitmap_free(bitmap);
+ md_bitmap_free(bitmap);
return -1;
}
kunmap_atomic(sb);
- bitmap_free(bitmap);
+ md_bitmap_free(bitmap);
}
return (my_sync_size == sync_size) ? 0 : -1;
static int resync_finish(struct mddev *mddev)
{
struct md_cluster_info *cinfo = mddev->cluster_info;
+
+ clear_bit(MD_RESYNCING_REMOTE, &mddev->recovery);
dlm_unlock_sync(cinfo->resync_lockres);
- return resync_info_update(mddev, 0, 0);
+
+ /*
+ * If resync thread is interrupted so we can't say resync is finished,
+ * another node will launch resync thread to continue.
+ */
+ if (test_bit(MD_CLOSING, &mddev->flags))
+ return 0;
+ else
+ return resync_info_update(mddev, 0, 0);
}
static int area_resyncing(struct mddev *mddev, int direction,
char str[64];
struct md_cluster_info *cinfo = mddev->cluster_info;
- cinfo->other_bitmap_lockres = kzalloc((mddev->bitmap_info.nodes - 1) *
- sizeof(struct dlm_lock_resource *),
- GFP_KERNEL);
+ cinfo->other_bitmap_lockres =
+ kcalloc(mddev->bitmap_info.nodes - 1,
+ sizeof(struct dlm_lock_resource *), GFP_KERNEL);
if (!cinfo->other_bitmap_lockres) {
pr_err("md: can't alloc mem for other bitmap locks\n");
return 0;
for (sn = 0; sn < mddev->bitmap_info.nodes; sn++) {
if (sn == (cinfo->slot_number - 1))
continue;
- err = bitmap_copy_from_slot(mddev, sn, &lo, &hi, false);
+ err = md_bitmap_copy_from_slot(mddev, sn, &lo, &hi, false);
if (err) {
pr_warn("md-cluster: Could not gather bitmaps from slot %d", sn);
goto out;
static LIST_HEAD(pers_list);
static DEFINE_SPINLOCK(pers_lock);
+static struct kobj_type md_ktype;
+
struct md_cluster_operations *md_cluster_ops;
EXPORT_SYMBOL(md_cluster_ops);
struct module *md_cluster_mod;
mddev->sync_speed_max : sysctl_speed_limit_max;
}
+static void * flush_info_alloc(gfp_t gfp_flags, void *data)
+{
+ return kzalloc(sizeof(struct flush_info), gfp_flags);
+}
+static void flush_info_free(void *flush_info, void *data)
+{
+ kfree(flush_info);
+}
+
+static void * flush_bio_alloc(gfp_t gfp_flags, void *data)
+{
+ return kzalloc(sizeof(struct flush_bio), gfp_flags);
+}
+static void flush_bio_free(void *flush_bio, void *data)
+{
+ kfree(flush_bio);
+}
+
static struct ctl_table_header *raid_table_header;
static struct ctl_table raid_table[] = {
*/
static bool create_on_open = true;
-/* bio_clone_mddev
- * like bio_clone_bioset, but with a local bio set
- */
-
struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs,
struct mddev *mddev)
{
struct bio *b;
- if (!mddev || !mddev->bio_set)
+ if (!mddev || !bioset_initialized(&mddev->bio_set))
return bio_alloc(gfp_mask, nr_iovecs);
- b = bio_alloc_bioset(gfp_mask, nr_iovecs, mddev->bio_set);
+ b = bio_alloc_bioset(gfp_mask, nr_iovecs, &mddev->bio_set);
if (!b)
return NULL;
return b;
static struct bio *md_bio_alloc_sync(struct mddev *mddev)
{
- if (!mddev || !mddev->sync_set)
+ if (!mddev || !bioset_initialized(&mddev->sync_set))
return bio_alloc(GFP_NOIO, 1);
- return bio_alloc_bioset(GFP_NOIO, 1, mddev->sync_set);
+ return bio_alloc_bioset(GFP_NOIO, 1, &mddev->sync_set);
}
/*
static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio)
{
const int rw = bio_data_dir(bio);
+ const int sgrp = op_stat_group(bio_op(bio));
struct mddev *mddev = q->queuedata;
unsigned int sectors;
int cpu;
md_handle_request(mddev, bio);
cpu = part_stat_lock();
- part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
- part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw], sectors);
+ part_stat_inc(cpu, &mddev->gendisk->part0, ios[sgrp]);
+ part_stat_add(cpu, &mddev->gendisk->part0, sectors[sgrp], sectors);
part_stat_unlock();
return BLK_QC_T_NONE;
/*
* Generic flush handling for md
*/
+static void submit_flushes(struct work_struct *ws)
+{
+ struct flush_info *fi = container_of(ws, struct flush_info, flush_work);
+ struct mddev *mddev = fi->mddev;
+ struct bio *bio = fi->bio;
+
+ bio->bi_opf &= ~REQ_PREFLUSH;
+ md_handle_request(mddev, bio);
+
+ mempool_free(fi, mddev->flush_pool);
+}
-static void md_end_flush(struct bio *bio)
+static void md_end_flush(struct bio *fbio)
{
- struct md_rdev *rdev = bio->bi_private;
- struct mddev *mddev = rdev->mddev;
+ struct flush_bio *fb = fbio->bi_private;
+ struct md_rdev *rdev = fb->rdev;
+ struct flush_info *fi = fb->fi;
+ struct bio *bio = fi->bio;
+ struct mddev *mddev = fi->mddev;
rdev_dec_pending(rdev, mddev);
- if (atomic_dec_and_test(&mddev->flush_pending)) {
- /* The pre-request flush has finished */
- queue_work(md_wq, &mddev->flush_work);
+ if (atomic_dec_and_test(&fi->flush_pending)) {
+ if (bio->bi_iter.bi_size == 0)
+ /* an empty barrier - all done */
+ bio_endio(bio);
+ else {
+ INIT_WORK(&fi->flush_work, submit_flushes);
+ queue_work(md_wq, &fi->flush_work);
+ }
}
- bio_put(bio);
-}
-static void md_submit_flush_data(struct work_struct *ws);
+ mempool_free(fb, mddev->flush_bio_pool);
+ bio_put(fbio);
+}
-static void submit_flushes(struct work_struct *ws)
+void md_flush_request(struct mddev *mddev, struct bio *bio)
{
- struct mddev *mddev = container_of(ws, struct mddev, flush_work);
struct md_rdev *rdev;
+ struct flush_info *fi;
+
+ fi = mempool_alloc(mddev->flush_pool, GFP_NOIO);
+
+ fi->bio = bio;
+ fi->mddev = mddev;
+ atomic_set(&fi->flush_pending, 1);
- INIT_WORK(&mddev->flush_work, md_submit_flush_data);
- atomic_set(&mddev->flush_pending, 1);
rcu_read_lock();
rdev_for_each_rcu(rdev, mddev)
if (rdev->raid_disk >= 0 &&
* we reclaim rcu_read_lock
*/
struct bio *bi;
+ struct flush_bio *fb;
atomic_inc(&rdev->nr_pending);
atomic_inc(&rdev->nr_pending);
rcu_read_unlock();
+
+ fb = mempool_alloc(mddev->flush_bio_pool, GFP_NOIO);
+ fb->fi = fi;
+ fb->rdev = rdev;
+
bi = bio_alloc_mddev(GFP_NOIO, 0, mddev);
- bi->bi_end_io = md_end_flush;
- bi->bi_private = rdev;
bio_set_dev(bi, rdev->bdev);
+ bi->bi_end_io = md_end_flush;
+ bi->bi_private = fb;
bi->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH;
- atomic_inc(&mddev->flush_pending);
+
+ atomic_inc(&fi->flush_pending);
submit_bio(bi);
+
rcu_read_lock();
rdev_dec_pending(rdev, mddev);
}
rcu_read_unlock();
- if (atomic_dec_and_test(&mddev->flush_pending))
- queue_work(md_wq, &mddev->flush_work);
-}
-static void md_submit_flush_data(struct work_struct *ws)
-{
- struct mddev *mddev = container_of(ws, struct mddev, flush_work);
- struct bio *bio = mddev->flush_bio;
-
- /*
- * must reset flush_bio before calling into md_handle_request to avoid a
- * deadlock, because other bios passed md_handle_request suspend check
- * could wait for this and below md_handle_request could wait for those
- * bios because of suspend check
- */
- mddev->flush_bio = NULL;
- wake_up(&mddev->sb_wait);
-
- if (bio->bi_iter.bi_size == 0)
- /* an empty barrier - all done */
- bio_endio(bio);
- else {
- bio->bi_opf &= ~REQ_PREFLUSH;
- md_handle_request(mddev, bio);
+ if (atomic_dec_and_test(&fi->flush_pending)) {
+ if (bio->bi_iter.bi_size == 0)
+ /* an empty barrier - all done */
+ bio_endio(bio);
+ else {
+ INIT_WORK(&fi->flush_work, submit_flushes);
+ queue_work(md_wq, &fi->flush_work);
+ }
}
}
-
-void md_flush_request(struct mddev *mddev, struct bio *bio)
-{
- spin_lock_irq(&mddev->lock);
- wait_event_lock_irq(mddev->sb_wait,
- !mddev->flush_bio,
- mddev->lock);
- mddev->flush_bio = bio;
- spin_unlock_irq(&mddev->lock);
-
- INIT_WORK(&mddev->flush_work, submit_flushes);
- queue_work(md_wq, &mddev->flush_work);
-}
EXPORT_SYMBOL(md_flush_request);
static inline struct mddev *mddev_get(struct mddev *mddev)
static void mddev_put(struct mddev *mddev)
{
- struct bio_set *bs = NULL, *sync_bs = NULL;
-
if (!atomic_dec_and_lock(&mddev->active, &all_mddevs_lock))
return;
if (!mddev->raid_disks && list_empty(&mddev->disks) &&
/* Array is not configured at all, and not held active,
* so destroy it */
list_del_init(&mddev->all_mddevs);
- bs = mddev->bio_set;
- sync_bs = mddev->sync_set;
- mddev->bio_set = NULL;
- mddev->sync_set = NULL;
- if (mddev->gendisk) {
- /* We did a probe so need to clean up. Call
- * queue_work inside the spinlock so that
- * flush_workqueue() after mddev_find will
- * succeed in waiting for the work to be done.
- */
- INIT_WORK(&mddev->del_work, mddev_delayed_delete);
- queue_work(md_misc_wq, &mddev->del_work);
- } else
- kfree(mddev);
+
+ /*
+ * Call queue_work inside the spinlock so that
+ * flush_workqueue() after mddev_find will succeed in waiting
+ * for the work to be done.
+ */
+ INIT_WORK(&mddev->del_work, mddev_delayed_delete);
+ queue_work(md_misc_wq, &mddev->del_work);
}
spin_unlock(&all_mddevs_lock);
- if (bs)
- bioset_free(bs);
- if (sync_bs)
- bioset_free(sync_bs);
}
static void md_safemode_timeout(struct timer_list *t);
void mddev_init(struct mddev *mddev)
{
+ kobject_init(&mddev->kobj, &md_ktype);
mutex_init(&mddev->open_mutex);
mutex_init(&mddev->reconfig_mutex);
mutex_init(&mddev->bitmap_info.mutex);
atomic_set(&mddev->openers, 0);
atomic_set(&mddev->active_io, 0);
spin_lock_init(&mddev->lock);
- atomic_set(&mddev->flush_pending, 0);
init_waitqueue_head(&mddev->sb_wait);
init_waitqueue_head(&mddev->recovery_wait);
mddev->reshape_position = MaxSector;
bdev_get_integrity(reference->bdev));
pr_debug("md: data integrity enabled on %s\n", mdname(mddev));
- if (bioset_integrity_create(mddev->bio_set, BIO_POOL_SIZE)) {
+ if (bioset_integrity_create(&mddev->bio_set, BIO_POOL_SIZE)) {
pr_err("md: failed to create integrity pool for %s\n",
mdname(mddev));
return -EINVAL;
if (mddev->queue)
blk_add_trace_msg(mddev->queue, "md md_update_sb");
rewrite:
- bitmap_update_sb(mddev->bitmap);
+ md_bitmap_update_sb(mddev->bitmap);
rdev_for_each(rdev, mddev) {
char b[BDEVNAME_SIZE];
err = 0;
}
} else if (cmd_match(buf, "re-add")) {
- if (test_bit(Faulty, &rdev->flags) && (rdev->raid_disk == -1)) {
+ if (test_bit(Faulty, &rdev->flags) && (rdev->raid_disk == -1) &&
+ rdev->saved_raid_disk >= 0) {
/* clear_bit is performed _after_ all the devices
* have their local Faulty bit cleared. If any writes
* happen in the meantime in the local node, they
if (buf == end) break;
}
if (*end && !isspace(*end)) break;
- bitmap_dirty_bits(mddev->bitmap, chunk, end_chunk);
+ md_bitmap_dirty_bits(mddev->bitmap, chunk, end_chunk);
buf = skip_spaces(end);
}
- bitmap_unplug(mddev->bitmap); /* flush the bits to disk */
+ md_bitmap_unplug(mddev->bitmap); /* flush the bits to disk */
out:
mddev_unlock(mddev);
return len;
put_disk(mddev->gendisk);
percpu_ref_exit(&mddev->writes_pending);
+ bioset_exit(&mddev->bio_set);
+ bioset_exit(&mddev->sync_set);
kfree(mddev);
}
mutex_lock(&mddev->open_mutex);
add_disk(disk);
- error = kobject_init_and_add(&mddev->kobj, &md_ktype,
- &disk_to_dev(disk)->kobj, "%s", "md");
+ error = kobject_add(&mddev->kobj, &disk_to_dev(disk)->kobj, "%s", "md");
if (error) {
/* This isn't possible, but as kobject_init_and_add is marked
* __must_check, we must do something with the result
sysfs_notify_dirent_safe(rdev->sysfs_state);
}
- if (mddev->bio_set == NULL) {
- mddev->bio_set = bioset_create(BIO_POOL_SIZE, 0, BIOSET_NEED_BVECS);
- if (!mddev->bio_set)
- return -ENOMEM;
+ if (!bioset_initialized(&mddev->bio_set)) {
+ err = bioset_init(&mddev->bio_set, BIO_POOL_SIZE, 0, BIOSET_NEED_BVECS);
+ if (err)
+ return err;
+ }
+ if (!bioset_initialized(&mddev->sync_set)) {
+ err = bioset_init(&mddev->sync_set, BIO_POOL_SIZE, 0, BIOSET_NEED_BVECS);
+ if (err)
+ return err;
+ }
+ if (mddev->flush_pool == NULL) {
+ mddev->flush_pool = mempool_create(NR_FLUSH_INFOS, flush_info_alloc,
+ flush_info_free, mddev);
+ if (!mddev->flush_pool) {
+ err = -ENOMEM;
+ goto abort;
+ }
}
- if (mddev->sync_set == NULL) {
- mddev->sync_set = bioset_create(BIO_POOL_SIZE, 0, BIOSET_NEED_BVECS);
- if (!mddev->sync_set) {
+ if (mddev->flush_bio_pool == NULL) {
+ mddev->flush_bio_pool = mempool_create(NR_FLUSH_BIOS, flush_bio_alloc,
+ flush_bio_free, mddev);
+ if (!mddev->flush_bio_pool) {
err = -ENOMEM;
goto abort;
}
(mddev->bitmap_info.file || mddev->bitmap_info.offset)) {
struct bitmap *bitmap;
- bitmap = bitmap_create(mddev, -1);
+ bitmap = md_bitmap_create(mddev, -1);
if (IS_ERR(bitmap)) {
err = PTR_ERR(bitmap);
pr_warn("%s: failed to create bitmap (%d)\n",
pers->free(mddev, mddev->private);
mddev->private = NULL;
module_put(pers->owner);
- bitmap_destroy(mddev);
+ md_bitmap_destroy(mddev);
goto abort;
}
if (mddev->queue) {
return 0;
abort:
- if (mddev->bio_set) {
- bioset_free(mddev->bio_set);
- mddev->bio_set = NULL;
+ if (mddev->flush_bio_pool) {
+ mempool_destroy(mddev->flush_bio_pool);
+ mddev->flush_bio_pool = NULL;
}
- if (mddev->sync_set) {
- bioset_free(mddev->sync_set);
- mddev->sync_set = NULL;
+ if (mddev->flush_pool){
+ mempool_destroy(mddev->flush_pool);
+ mddev->flush_pool = NULL;
}
return err;
err = md_run(mddev);
if (err)
goto out;
- err = bitmap_load(mddev);
+ err = md_bitmap_load(mddev);
if (err) {
- bitmap_destroy(mddev);
+ md_bitmap_destroy(mddev);
goto out;
}
mddev->pers->quiesce(mddev, 1);
mddev->pers->quiesce(mddev, 0);
}
- bitmap_flush(mddev);
+ md_bitmap_flush(mddev);
if (mddev->ro == 0 &&
((!mddev->in_sync && !mddev_is_clustered(mddev)) ||
static void mddev_detach(struct mddev *mddev)
{
- bitmap_wait_behind_writes(mddev);
+ md_bitmap_wait_behind_writes(mddev);
if (mddev->pers && mddev->pers->quiesce) {
mddev->pers->quiesce(mddev, 1);
mddev->pers->quiesce(mddev, 0);
static void __md_stop(struct mddev *mddev)
{
struct md_personality *pers = mddev->pers;
- bitmap_destroy(mddev);
+ md_bitmap_destroy(mddev);
mddev_detach(mddev);
/* Ensure ->event_work is done */
flush_workqueue(md_misc_wq);
* This is called from dm-raid
*/
__md_stop(mddev);
- if (mddev->bio_set) {
- bioset_free(mddev->bio_set);
- mddev->bio_set = NULL;
+ if (mddev->flush_bio_pool) {
+ mempool_destroy(mddev->flush_bio_pool);
+ mddev->flush_bio_pool = NULL;
}
- if (mddev->sync_set) {
- bioset_free(mddev->sync_set);
- mddev->sync_set = NULL;
+ if (mddev->flush_pool) {
+ mempool_destroy(mddev->flush_pool);
+ mddev->flush_pool = NULL;
}
+ bioset_exit(&mddev->bio_set);
+ bioset_exit(&mddev->sync_set);
}
EXPORT_SYMBOL_GPL(md_stop);
char b[BDEVNAME_SIZE];
struct md_rdev *rdev;
+ if (!mddev->pers)
+ return -ENODEV;
+
rdev = find_rdev(mddev, dev);
if (!rdev)
return -ENXIO;
if (fd >= 0) {
struct bitmap *bitmap;
- bitmap = bitmap_create(mddev, -1);
+ bitmap = md_bitmap_create(mddev, -1);
mddev_suspend(mddev);
if (!IS_ERR(bitmap)) {
mddev->bitmap = bitmap;
- err = bitmap_load(mddev);
+ err = md_bitmap_load(mddev);
} else
err = PTR_ERR(bitmap);
if (err) {
- bitmap_destroy(mddev);
+ md_bitmap_destroy(mddev);
fd = -1;
}
mddev_resume(mddev);
} else if (fd < 0) {
mddev_suspend(mddev);
- bitmap_destroy(mddev);
+ md_bitmap_destroy(mddev);
mddev_resume(mddev);
}
}
mddev->bitmap_info.default_offset;
mddev->bitmap_info.space =
mddev->bitmap_info.default_space;
- bitmap = bitmap_create(mddev, -1);
+ bitmap = md_bitmap_create(mddev, -1);
mddev_suspend(mddev);
if (!IS_ERR(bitmap)) {
mddev->bitmap = bitmap;
- rv = bitmap_load(mddev);
+ rv = md_bitmap_load(mddev);
} else
rv = PTR_ERR(bitmap);
if (rv)
- bitmap_destroy(mddev);
+ md_bitmap_destroy(mddev);
mddev_resume(mddev);
} else {
/* remove the bitmap */
md_cluster_ops->leave(mddev);
}
mddev_suspend(mddev);
- bitmap_destroy(mddev);
+ md_bitmap_destroy(mddev);
mddev_resume(mddev);
mddev->bitmap_info.offset = 0;
}
resync -= atomic_read(&mddev->recovery_active);
if (resync == 0) {
+ if (test_bit(MD_RESYNCING_REMOTE, &mddev->recovery)) {
+ struct md_rdev *rdev;
+
+ rdev_for_each(rdev, mddev)
+ if (rdev->raid_disk >= 0 &&
+ !test_bit(Faulty, &rdev->flags) &&
+ rdev->recovery_offset != MaxSector &&
+ rdev->recovery_offset) {
+ seq_printf(seq, "\trecover=REMOTE");
+ return 1;
+ }
+ if (mddev->reshape_position != MaxSector)
+ seq_printf(seq, "\treshape=REMOTE");
+ else
+ seq_printf(seq, "\tresync=REMOTE");
+ return 1;
+ }
if (mddev->recovery_cp < MaxSector) {
seq_printf(seq, "\tresync=PENDING");
return 1;
} else
seq_printf(seq, "\n ");
- bitmap_status(seq, mddev->bitmap);
+ md_bitmap_status(seq, mddev->bitmap);
seq_printf(seq, "\n");
}
rcu_read_lock();
rdev_for_each_rcu(rdev, mddev) {
struct gendisk *disk = rdev->bdev->bd_contains->bd_disk;
- curr_events = (int)part_stat_read(&disk->part0, sectors[0]) +
- (int)part_stat_read(&disk->part0, sectors[1]) -
+ curr_events = (int)part_stat_read_accum(&disk->part0, sectors) -
atomic_read(&disk->sync_io);
/* sync IO will cause sync_io to increase before the disk_stats
* as sync_io is counted when a request starts, and
if (mddev->pers->hot_remove_disk(
mddev, rdev) == 0) {
sysfs_unlink_rdev(mddev, rdev);
+ rdev->saved_raid_disk = rdev->raid_disk;
rdev->raid_disk = -1;
removed++;
}
return;
if (mddev->bitmap)
- bitmap_daemon_work(mddev);
+ md_bitmap_daemon_work(mddev);
if (signal_pending(current)) {
if (mddev->pers->sync_request && !mddev->external) {
* which has the bitmap stored on all devices.
* So make sure all bitmap pages get written
*/
- bitmap_write_all(mddev->bitmap);
+ md_bitmap_write_all(mddev->bitmap);
}
INIT_WORK(&mddev->del_work, md_start_sync);
queue_work(md_misc_wq, &mddev->del_work);
if (ret)
pr_info("md-cluster: resize failed\n");
else
- bitmap_update_sb(mddev->bitmap);
+ md_bitmap_update_sb(mddev->bitmap);
}
/* Check for change of roles in the active devices */
if (!r1_bio)
return NULL;
- rps = kmalloc(sizeof(struct resync_pages) * pi->raid_disks,
- gfp_flags);
+ rps = kmalloc_array(pi->raid_disks, sizeof(struct resync_pages),
+ gfp_flags);
if (!rps)
goto out_free_r1bio;
struct r1conf *conf = r1_bio->mddev->private;
put_all_bios(conf, r1_bio);
- mempool_free(r1_bio, conf->r1bio_pool);
+ mempool_free(r1_bio, &conf->r1bio_pool);
}
static void put_buf(struct r1bio *r1_bio)
rdev_dec_pending(conf->mirrors[i].rdev, r1_bio->mddev);
}
- mempool_free(r1_bio, conf->r1buf_pool);
+ mempool_free(r1_bio, &conf->r1buf_pool);
lower_barrier(conf, sect);
}
r1_bio->behind_master_bio = NULL;
}
/* clear the bitmap if all writes complete successfully */
- bitmap_endwrite(r1_bio->mddev->bitmap, r1_bio->sector,
- r1_bio->sectors,
- !test_bit(R1BIO_Degraded, &r1_bio->state),
- test_bit(R1BIO_BehindIO, &r1_bio->state));
+ md_bitmap_endwrite(r1_bio->mddev->bitmap, r1_bio->sector,
+ r1_bio->sectors,
+ !test_bit(R1BIO_Degraded, &r1_bio->state),
+ test_bit(R1BIO_BehindIO, &r1_bio->state));
md_write_end(r1_bio->mddev);
}
static void flush_bio_list(struct r1conf *conf, struct bio *bio)
{
/* flush any pending bitmap writes to disk before proceeding w/ I/O */
- bitmap_unplug(conf->mddev->bitmap);
+ md_bitmap_unplug(conf->mddev->bitmap);
wake_up(&conf->wait_barrier);
while (bio) { /* submit pending writes */
struct r1conf *conf = mddev->private;
struct r1bio *r1_bio;
- r1_bio = mempool_alloc(conf->r1bio_pool, GFP_NOIO);
+ r1_bio = mempool_alloc(&conf->r1bio_pool, GFP_NOIO);
/* Ensure no bio records IO_BLOCKED */
memset(r1_bio->bios, 0, conf->raid_disks * sizeof(r1_bio->bios[0]));
init_r1bio(r1_bio, mddev, bio);
if (max_sectors < bio_sectors(bio)) {
struct bio *split = bio_split(bio, max_sectors,
- gfp, conf->bio_split);
+ gfp, &conf->bio_split);
bio_chain(split, bio);
generic_make_request(bio);
bio = split;
r1_bio->read_disk = rdisk;
- read_bio = bio_clone_fast(bio, gfp, mddev->bio_set);
+ read_bio = bio_clone_fast(bio, gfp, &mddev->bio_set);
r1_bio->bios[rdisk] = read_bio;
if (max_sectors < bio_sectors(bio)) {
struct bio *split = bio_split(bio, max_sectors,
- GFP_NOIO, conf->bio_split);
+ GFP_NOIO, &conf->bio_split);
bio_chain(split, bio);
generic_make_request(bio);
bio = split;
alloc_behind_master_bio(r1_bio, bio);
}
- bitmap_startwrite(bitmap, r1_bio->sector,
- r1_bio->sectors,
- test_bit(R1BIO_BehindIO,
- &r1_bio->state));
+ md_bitmap_startwrite(bitmap, r1_bio->sector, r1_bio->sectors,
+ test_bit(R1BIO_BehindIO, &r1_bio->state));
first_clone = 0;
}
if (r1_bio->behind_master_bio)
mbio = bio_clone_fast(r1_bio->behind_master_bio,
- GFP_NOIO, mddev->bio_set);
+ GFP_NOIO, &mddev->bio_set);
else
- mbio = bio_clone_fast(bio, GFP_NOIO, mddev->bio_set);
+ mbio = bio_clone_fast(bio, GFP_NOIO, &mddev->bio_set);
if (r1_bio->behind_master_bio) {
if (test_bit(WriteMostly, &conf->mirrors[i].rdev->flags))
_allow_barrier(conf, idx);
}
- mempool_destroy(conf->r1buf_pool);
- conf->r1buf_pool = NULL;
+ mempool_exit(&conf->r1buf_pool);
}
static int raid1_spare_active(struct mddev *mddev)
long sectors_to_go = r1_bio->sectors;
/* make sure these bits doesn't get cleared. */
do {
- bitmap_end_sync(mddev->bitmap, s,
- &sync_blocks, 1);
+ md_bitmap_end_sync(mddev->bitmap, s, &sync_blocks, 1);
s += sync_blocks;
sectors_to_go -= sync_blocks;
} while (sectors_to_go > 0);
if (test_bit(R1BIO_BehindIO, &r1_bio->state)) {
wbio = bio_clone_fast(r1_bio->behind_master_bio,
GFP_NOIO,
- mddev->bio_set);
+ &mddev->bio_set);
} else {
wbio = bio_clone_fast(r1_bio->master_bio, GFP_NOIO,
- mddev->bio_set);
+ &mddev->bio_set);
}
bio_set_op_attrs(wbio, REQ_OP_WRITE, 0);
struct mddev *mddev = conf->mddev;
struct bio *bio;
struct md_rdev *rdev;
- sector_t bio_sector;
clear_bit(R1BIO_ReadError, &r1_bio->state);
/* we got a read error. Maybe the drive is bad. Maybe just
*/
bio = r1_bio->bios[r1_bio->read_disk];
- bio_sector = conf->mirrors[r1_bio->read_disk].rdev->data_offset + r1_bio->sector;
bio_put(bio);
r1_bio->bios[r1_bio->read_disk] = NULL;
fix_read_error(conf, r1_bio->read_disk,
r1_bio->sector, r1_bio->sectors);
unfreeze_array(conf);
+ } else if (mddev->ro == 0 && test_bit(FailFast, &rdev->flags)) {
+ md_error(mddev, rdev);
} else {
r1_bio->bios[r1_bio->read_disk] = IO_BLOCKED;
}
int buffs;
buffs = RESYNC_WINDOW / RESYNC_BLOCK_SIZE;
- BUG_ON(conf->r1buf_pool);
- conf->r1buf_pool = mempool_create(buffs, r1buf_pool_alloc, r1buf_pool_free,
- conf->poolinfo);
- if (!conf->r1buf_pool)
- return -ENOMEM;
- return 0;
+ BUG_ON(mempool_initialized(&conf->r1buf_pool));
+
+ return mempool_init(&conf->r1buf_pool, buffs, r1buf_pool_alloc,
+ r1buf_pool_free, conf->poolinfo);
}
static struct r1bio *raid1_alloc_init_r1buf(struct r1conf *conf)
{
- struct r1bio *r1bio = mempool_alloc(conf->r1buf_pool, GFP_NOIO);
+ struct r1bio *r1bio = mempool_alloc(&conf->r1buf_pool, GFP_NOIO);
struct resync_pages *rps;
struct bio *bio;
int i;
int idx = sector_to_idx(sector_nr);
int page_idx = 0;
- if (!conf->r1buf_pool)
+ if (!mempool_initialized(&conf->r1buf_pool))
if (init_resync(conf))
return 0;
* We can find the current addess in mddev->curr_resync
*/
if (mddev->curr_resync < max_sector) /* aborted */
- bitmap_end_sync(mddev->bitmap, mddev->curr_resync,
- &sync_blocks, 1);
+ md_bitmap_end_sync(mddev->bitmap, mddev->curr_resync,
+ &sync_blocks, 1);
else /* completed sync */
conf->fullsync = 0;
- bitmap_close_sync(mddev->bitmap);
+ md_bitmap_close_sync(mddev->bitmap);
close_sync(conf);
if (mddev_is_clustered(mddev)) {
/* before building a request, check if we can skip these blocks..
* This call the bitmap_start_sync doesn't actually record anything
*/
- if (!bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, 1) &&
+ if (!md_bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, 1) &&
!conf->fullsync && !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) {
/* We can skip this block, and probably several more */
*skipped = 1;
* sector_nr + two times RESYNC_SECTORS
*/
- bitmap_cond_end_sync(mddev->bitmap, sector_nr,
+ md_bitmap_cond_end_sync(mddev->bitmap, sector_nr,
mddev_is_clustered(mddev) && (sector_nr + 2 * RESYNC_SECTORS > conf->cluster_sync_high));
if (len == 0)
break;
if (sync_blocks == 0) {
- if (!bitmap_start_sync(mddev->bitmap, sector_nr,
- &sync_blocks, still_degraded) &&
+ if (!md_bitmap_start_sync(mddev->bitmap, sector_nr,
+ &sync_blocks, still_degraded) &&
!conf->fullsync &&
!test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery))
break;
if (!conf->barrier)
goto abort;
- conf->mirrors = kzalloc(sizeof(struct raid1_info)
- * mddev->raid_disks * 2,
- GFP_KERNEL);
+ conf->mirrors = kzalloc(array3_size(sizeof(struct raid1_info),
+ mddev->raid_disks, 2),
+ GFP_KERNEL);
if (!conf->mirrors)
goto abort;
if (!conf->poolinfo)
goto abort;
conf->poolinfo->raid_disks = mddev->raid_disks * 2;
- conf->r1bio_pool = mempool_create(NR_RAID1_BIOS, r1bio_pool_alloc,
- r1bio_pool_free,
- conf->poolinfo);
- if (!conf->r1bio_pool)
+ err = mempool_init(&conf->r1bio_pool, NR_RAID1_BIOS, r1bio_pool_alloc,
+ r1bio_pool_free, conf->poolinfo);
+ if (err)
goto abort;
- conf->bio_split = bioset_create(BIO_POOL_SIZE, 0, 0);
- if (!conf->bio_split)
+ err = bioset_init(&conf->bio_split, BIO_POOL_SIZE, 0, 0);
+ if (err)
goto abort;
conf->poolinfo->mddev = mddev;
abort:
if (conf) {
- mempool_destroy(conf->r1bio_pool);
+ mempool_exit(&conf->r1bio_pool);
kfree(conf->mirrors);
safe_put_page(conf->tmppage);
kfree(conf->poolinfo);
kfree(conf->nr_waiting);
kfree(conf->nr_queued);
kfree(conf->barrier);
- if (conf->bio_split)
- bioset_free(conf->bio_split);
+ bioset_exit(&conf->bio_split);
kfree(conf);
}
return ERR_PTR(err);
{
struct r1conf *conf = priv;
- mempool_destroy(conf->r1bio_pool);
+ mempool_exit(&conf->r1bio_pool);
kfree(conf->mirrors);
safe_put_page(conf->tmppage);
kfree(conf->poolinfo);
kfree(conf->nr_waiting);
kfree(conf->nr_queued);
kfree(conf->barrier);
- if (conf->bio_split)
- bioset_free(conf->bio_split);
+ bioset_exit(&conf->bio_split);
kfree(conf);
}
mddev->array_sectors > newsize)
return -EINVAL;
if (mddev->bitmap) {
- int ret = bitmap_resize(mddev->bitmap, newsize, 0, 0);
+ int ret = md_bitmap_resize(mddev->bitmap, newsize, 0, 0);
if (ret)
return ret;
}
* At the same time, we "pack" the devices so that all the missing
* devices have the higher raid_disk numbers.
*/
- mempool_t *newpool, *oldpool;
+ mempool_t newpool, oldpool;
struct pool_info *newpoolinfo;
struct raid1_info *newmirrors;
struct r1conf *conf = mddev->private;
int cnt, raid_disks;
unsigned long flags;
int d, d2;
+ int ret;
+
+ memset(&newpool, 0, sizeof(newpool));
+ memset(&oldpool, 0, sizeof(oldpool));
/* Cannot change chunk_size, layout, or level */
if (mddev->chunk_sectors != mddev->new_chunk_sectors ||
newpoolinfo->mddev = mddev;
newpoolinfo->raid_disks = raid_disks * 2;
- newpool = mempool_create(NR_RAID1_BIOS, r1bio_pool_alloc,
- r1bio_pool_free, newpoolinfo);
- if (!newpool) {
+ ret = mempool_init(&newpool, NR_RAID1_BIOS, r1bio_pool_alloc,
+ r1bio_pool_free, newpoolinfo);
+ if (ret) {
kfree(newpoolinfo);
- return -ENOMEM;
+ return ret;
}
- newmirrors = kzalloc(sizeof(struct raid1_info) * raid_disks * 2,
+ newmirrors = kzalloc(array3_size(sizeof(struct raid1_info),
+ raid_disks, 2),
GFP_KERNEL);
if (!newmirrors) {
kfree(newpoolinfo);
- mempool_destroy(newpool);
+ mempool_exit(&newpool);
return -ENOMEM;
}
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
md_wakeup_thread(mddev->thread);
- mempool_destroy(oldpool);
+ mempool_exit(&oldpool);
return 0;
}
nalloc_rp = nalloc;
else
nalloc_rp = nalloc * 2;
- rps = kmalloc(sizeof(struct resync_pages) * nalloc_rp, gfp_flags);
+ rps = kmalloc_array(nalloc_rp, sizeof(struct resync_pages), gfp_flags);
if (!rps)
goto out_free_r10bio;
for (j = conf->copies; j--; ) {
struct bio *bio = r10bio->devs[j].bio;
- rp = get_resync_pages(bio);
- resync_free_pages(rp);
- bio_put(bio);
+ if (bio) {
+ rp = get_resync_pages(bio);
+ resync_free_pages(rp);
+ bio_put(bio);
+ }
bio = r10bio->devs[j].repl_bio;
if (bio)
struct r10conf *conf = r10_bio->mddev->private;
put_all_bios(conf, r10_bio);
- mempool_free(r10_bio, conf->r10bio_pool);
+ mempool_free(r10_bio, &conf->r10bio_pool);
}
static void put_buf(struct r10bio *r10_bio)
{
struct r10conf *conf = r10_bio->mddev->private;
- mempool_free(r10_bio, conf->r10buf_pool);
+ mempool_free(r10_bio, &conf->r10buf_pool);
lower_barrier(conf);
}
static void close_write(struct r10bio *r10_bio)
{
/* clear the bitmap if all writes complete successfully */
- bitmap_endwrite(r10_bio->mddev->bitmap, r10_bio->sector,
- r10_bio->sectors,
- !test_bit(R10BIO_Degraded, &r10_bio->state),
- 0);
+ md_bitmap_endwrite(r10_bio->mddev->bitmap, r10_bio->sector,
+ r10_bio->sectors,
+ !test_bit(R10BIO_Degraded, &r10_bio->state),
+ 0);
md_write_end(r10_bio->mddev);
}
blk_start_plug(&plug);
/* flush any pending bitmap writes to disk
* before proceeding w/ I/O */
- bitmap_unplug(conf->mddev->bitmap);
+ md_bitmap_unplug(conf->mddev->bitmap);
wake_up(&conf->wait_barrier);
while (bio) { /* submit pending writes */
/* we aren't scheduling, so we can do the write-out directly. */
bio = bio_list_get(&plug->pending);
- bitmap_unplug(mddev->bitmap);
+ md_bitmap_unplug(mddev->bitmap);
wake_up(&conf->wait_barrier);
while (bio) { /* submit pending writes */
(unsigned long long)r10_bio->sector);
if (max_sectors < bio_sectors(bio)) {
struct bio *split = bio_split(bio, max_sectors,
- gfp, conf->bio_split);
+ gfp, &conf->bio_split);
bio_chain(split, bio);
generic_make_request(bio);
bio = split;
}
slot = r10_bio->read_slot;
- read_bio = bio_clone_fast(bio, gfp, mddev->bio_set);
+ read_bio = bio_clone_fast(bio, gfp, &mddev->bio_set);
r10_bio->devs[slot].bio = read_bio;
r10_bio->devs[slot].rdev = rdev;
} else
rdev = conf->mirrors[devnum].rdev;
- mbio = bio_clone_fast(bio, GFP_NOIO, mddev->bio_set);
+ mbio = bio_clone_fast(bio, GFP_NOIO, &mddev->bio_set);
if (replacement)
r10_bio->devs[n_copy].repl_bio = mbio;
else
if (r10_bio->sectors < bio_sectors(bio)) {
struct bio *split = bio_split(bio, r10_bio->sectors,
- GFP_NOIO, conf->bio_split);
+ GFP_NOIO, &conf->bio_split);
bio_chain(split, bio);
generic_make_request(bio);
bio = split;
}
atomic_set(&r10_bio->remaining, 1);
- bitmap_startwrite(mddev->bitmap, r10_bio->sector, r10_bio->sectors, 0);
+ md_bitmap_startwrite(mddev->bitmap, r10_bio->sector, r10_bio->sectors, 0);
for (i = 0; i < conf->copies; i++) {
if (r10_bio->devs[i].bio)
struct r10conf *conf = mddev->private;
struct r10bio *r10_bio;
- r10_bio = mempool_alloc(conf->r10bio_pool, GFP_NOIO);
+ r10_bio = mempool_alloc(&conf->r10bio_pool, GFP_NOIO);
r10_bio->master_bio = bio;
r10_bio->sectors = sectors;
wait_barrier(conf);
allow_barrier(conf);
- mempool_destroy(conf->r10buf_pool);
- conf->r10buf_pool = NULL;
+ mempool_exit(&conf->r10buf_pool);
}
static int raid10_spare_active(struct mddev *mddev)
{
int sect = 0; /* Offset from r10_bio->sector */
int sectors = r10_bio->sectors;
- struct md_rdev*rdev;
+ struct md_rdev *rdev;
int max_read_errors = atomic_read(&mddev->max_corr_read_errors);
int d = r10_bio->devs[r10_bio->read_slot].devnum;
if (sectors > sect_to_write)
sectors = sect_to_write;
/* Write at 'sector' for 'sectors' */
- wbio = bio_clone_fast(bio, GFP_NOIO, mddev->bio_set);
+ wbio = bio_clone_fast(bio, GFP_NOIO, &mddev->bio_set);
bio_trim(wbio, sector - bio->bi_iter.bi_sector, sectors);
wsector = r10_bio->devs[i].addr + (sector - r10_bio->sector);
wbio->bi_iter.bi_sector = wsector +
static int init_resync(struct r10conf *conf)
{
- int buffs;
- int i;
+ int ret, buffs, i;
buffs = RESYNC_WINDOW / RESYNC_BLOCK_SIZE;
- BUG_ON(conf->r10buf_pool);
+ BUG_ON(mempool_initialized(&conf->r10buf_pool));
conf->have_replacement = 0;
for (i = 0; i < conf->geo.raid_disks; i++)
if (conf->mirrors[i].replacement)
conf->have_replacement = 1;
- conf->r10buf_pool = mempool_create(buffs, r10buf_pool_alloc, r10buf_pool_free, conf);
- if (!conf->r10buf_pool)
- return -ENOMEM;
+ ret = mempool_init(&conf->r10buf_pool, buffs,
+ r10buf_pool_alloc, r10buf_pool_free, conf);
+ if (ret)
+ return ret;
conf->next_resync = 0;
return 0;
}
static struct r10bio *raid10_alloc_init_r10buf(struct r10conf *conf)
{
- struct r10bio *r10bio = mempool_alloc(conf->r10buf_pool, GFP_NOIO);
+ struct r10bio *r10bio = mempool_alloc(&conf->r10buf_pool, GFP_NOIO);
struct rsync_pages *rp;
struct bio *bio;
int nalloc;
sector_t chunk_mask = conf->geo.chunk_mask;
int page_idx = 0;
- if (!conf->r10buf_pool)
+ if (!mempool_initialized(&conf->r10buf_pool))
if (init_resync(conf))
return 0;
if (mddev->curr_resync < max_sector) { /* aborted */
if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery))
- bitmap_end_sync(mddev->bitmap, mddev->curr_resync,
- &sync_blocks, 1);
+ md_bitmap_end_sync(mddev->bitmap, mddev->curr_resync,
+ &sync_blocks, 1);
else for (i = 0; i < conf->geo.raid_disks; i++) {
sector_t sect =
raid10_find_virt(conf, mddev->curr_resync, i);
- bitmap_end_sync(mddev->bitmap, sect,
- &sync_blocks, 1);
+ md_bitmap_end_sync(mddev->bitmap, sect,
+ &sync_blocks, 1);
}
} else {
/* completed sync */
}
conf->fullsync = 0;
}
- bitmap_close_sync(mddev->bitmap);
+ md_bitmap_close_sync(mddev->bitmap);
close_sync(conf);
*skipped = 1;
return sectors_skipped;
* we only need to recover the block if it is set in
* the bitmap
*/
- must_sync = bitmap_start_sync(mddev->bitmap, sect,
- &sync_blocks, 1);
+ must_sync = md_bitmap_start_sync(mddev->bitmap, sect,
+ &sync_blocks, 1);
if (sync_blocks < max_sync)
max_sync = sync_blocks;
if (!must_sync &&
}
}
- must_sync = bitmap_start_sync(mddev->bitmap, sect,
- &sync_blocks, still_degraded);
+ must_sync = md_bitmap_start_sync(mddev->bitmap, sect,
+ &sync_blocks, still_degraded);
any_working = 0;
for (j=0; j<conf->copies;j++) {
* safety reason, which ensures curr_resync_completed is
* updated in bitmap_cond_end_sync.
*/
- bitmap_cond_end_sync(mddev->bitmap, sector_nr,
- mddev_is_clustered(mddev) &&
- (sector_nr + 2 * RESYNC_SECTORS >
- conf->cluster_sync_high));
+ md_bitmap_cond_end_sync(mddev->bitmap, sector_nr,
+ mddev_is_clustered(mddev) &&
+ (sector_nr + 2 * RESYNC_SECTORS > conf->cluster_sync_high));
- if (!bitmap_start_sync(mddev->bitmap, sector_nr,
- &sync_blocks, mddev->degraded) &&
+ if (!md_bitmap_start_sync(mddev->bitmap, sector_nr,
+ &sync_blocks, mddev->degraded) &&
!conf->fullsync && !test_bit(MD_RECOVERY_REQUESTED,
&mddev->recovery)) {
/* We can skip this block */
goto out;
/* FIXME calc properly */
- conf->mirrors = kzalloc(sizeof(struct raid10_info)*(mddev->raid_disks +
- max(0,-mddev->delta_disks)),
+ conf->mirrors = kcalloc(mddev->raid_disks + max(0, -mddev->delta_disks),
+ sizeof(struct raid10_info),
GFP_KERNEL);
if (!conf->mirrors)
goto out;
conf->geo = geo;
conf->copies = copies;
- conf->r10bio_pool = mempool_create(NR_RAID10_BIOS, r10bio_pool_alloc,
- r10bio_pool_free, conf);
- if (!conf->r10bio_pool)
+ err = mempool_init(&conf->r10bio_pool, NR_RAID10_BIOS, r10bio_pool_alloc,
+ r10bio_pool_free, conf);
+ if (err)
goto out;
- conf->bio_split = bioset_create(BIO_POOL_SIZE, 0, 0);
- if (!conf->bio_split)
+ err = bioset_init(&conf->bio_split, BIO_POOL_SIZE, 0, 0);
+ if (err)
goto out;
calc_sectors(conf, mddev->dev_sectors);
init_waitqueue_head(&conf->wait_barrier);
atomic_set(&conf->nr_pending, 0);
+ err = -ENOMEM;
conf->thread = md_register_thread(raid10d, mddev, "raid10");
if (!conf->thread)
goto out;
out:
if (conf) {
- mempool_destroy(conf->r10bio_pool);
+ mempool_exit(&conf->r10bio_pool);
kfree(conf->mirrors);
safe_put_page(conf->tmppage);
- if (conf->bio_split)
- bioset_free(conf->bio_split);
+ bioset_exit(&conf->bio_split);
kfree(conf);
}
return ERR_PTR(err);
disk->rdev->saved_raid_disk < 0)
conf->fullsync = 1;
}
+
+ if (disk->replacement &&
+ !test_bit(In_sync, &disk->replacement->flags) &&
+ disk->replacement->saved_raid_disk < 0) {
+ conf->fullsync = 1;
+ }
+
disk->recovery_disabled = mddev->recovery_disabled - 1;
}
out_free_conf:
md_unregister_thread(&mddev->thread);
- mempool_destroy(conf->r10bio_pool);
+ mempool_exit(&conf->r10bio_pool);
safe_put_page(conf->tmppage);
kfree(conf->mirrors);
kfree(conf);
{
struct r10conf *conf = priv;
- mempool_destroy(conf->r10bio_pool);
+ mempool_exit(&conf->r10bio_pool);
safe_put_page(conf->tmppage);
kfree(conf->mirrors);
kfree(conf->mirrors_old);
kfree(conf->mirrors_new);
- if (conf->bio_split)
- bioset_free(conf->bio_split);
+ bioset_exit(&conf->bio_split);
kfree(conf);
}
mddev->array_sectors > size)
return -EINVAL;
if (mddev->bitmap) {
- int ret = bitmap_resize(mddev->bitmap, size, 0, 0);
+ int ret = md_bitmap_resize(mddev->bitmap, size, 0, 0);
if (ret)
return ret;
}
conf->mirrors_new = NULL;
if (mddev->delta_disks > 0) {
/* allocate new 'mirrors' list */
- conf->mirrors_new = kzalloc(
- sizeof(struct raid10_info)
- *(mddev->raid_disks +
- mddev->delta_disks),
- GFP_KERNEL);
+ conf->mirrors_new =
+ kcalloc(mddev->raid_disks + mddev->delta_disks,
+ sizeof(struct raid10_info),
+ GFP_KERNEL);
if (!conf->mirrors_new)
return -ENOMEM;
}
spin_unlock_irq(&conf->device_lock);
if (mddev->delta_disks && mddev->bitmap) {
- ret = bitmap_resize(mddev->bitmap,
- raid10_size(mddev, 0,
- conf->geo.raid_disks),
- 0, 0);
+ ret = md_bitmap_resize(mddev->bitmap,
+ raid10_size(mddev, 0, conf->geo.raid_disks),
+ 0, 0);
if (ret)
goto abort;
}
* on all the target devices.
*/
// FIXME
- mempool_free(r10_bio, conf->r10buf_pool);
+ mempool_free(r10_bio, &conf->r10buf_pool);
set_bit(MD_RECOVERY_INTR, &mddev->recovery);
return sectors_done;
}
struct list_head no_mem_stripes; /* pending stripes, -ENOMEM */
struct kmem_cache *io_kc;
- mempool_t *io_pool;
- struct bio_set *bs;
- mempool_t *meta_pool;
+ mempool_t io_pool;
+ struct bio_set bs;
+ mempool_t meta_pool;
struct md_thread *reclaim_thread;
unsigned long reclaim_target; /* number of space that need to be
if (sh->dev[i].written) {
set_bit(R5_UPTODATE, &sh->dev[i].flags);
r5c_return_dev_pending_writes(conf, &sh->dev[i]);
- bitmap_endwrite(conf->mddev->bitmap, sh->sector,
- STRIPE_SECTORS,
- !test_bit(STRIPE_DEGRADED, &sh->state),
- 0);
+ md_bitmap_endwrite(conf->mddev->bitmap, sh->sector,
+ STRIPE_SECTORS,
+ !test_bit(STRIPE_DEGRADED, &sh->state),
+ 0);
}
}
}
md_error(log->rdev->mddev, log->rdev);
bio_put(bio);
- mempool_free(io->meta_page, log->meta_pool);
+ mempool_free(io->meta_page, &log->meta_pool);
spin_lock_irqsave(&log->io_list_lock, flags);
__r5l_set_io_unit_state(io, IO_UNIT_IO_END);
static void r5l_submit_current_io(struct r5l_log *log)
{
struct r5l_io_unit *io = log->current_io;
- struct bio *bio;
struct r5l_meta_block *block;
unsigned long flags;
u32 crc;
block->meta_size = cpu_to_le32(io->meta_offset);
crc = crc32c_le(log->uuid_checksum, block, PAGE_SIZE);
block->checksum = cpu_to_le32(crc);
- bio = io->current_bio;
log->current_io = NULL;
spin_lock_irqsave(&log->io_list_lock, flags);
static struct bio *r5l_bio_alloc(struct r5l_log *log)
{
- struct bio *bio = bio_alloc_bioset(GFP_NOIO, BIO_MAX_PAGES, log->bs);
+ struct bio *bio = bio_alloc_bioset(GFP_NOIO, BIO_MAX_PAGES, &log->bs);
bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
bio_set_dev(bio, log->rdev->bdev);
struct r5l_io_unit *io;
struct r5l_meta_block *block;
- io = mempool_alloc(log->io_pool, GFP_ATOMIC);
+ io = mempool_alloc(&log->io_pool, GFP_ATOMIC);
if (!io)
return NULL;
memset(io, 0, sizeof(*io));
bio_list_init(&io->flush_barriers);
io->state = IO_UNIT_RUNNING;
- io->meta_page = mempool_alloc(log->meta_pool, GFP_NOIO);
+ io->meta_page = mempool_alloc(&log->meta_pool, GFP_NOIO);
block = page_address(io->meta_page);
clear_page(block);
block->magic = cpu_to_le32(R5LOG_MAGIC);
log->next_checkpoint = io->log_start;
list_del(&io->log_sibling);
- mempool_free(io, log->io_pool);
+ mempool_free(io, &log->io_pool);
r5l_run_no_mem_stripe(log);
found = true;
{
struct page *page;
- ctx->ra_bio = bio_alloc_bioset(GFP_KERNEL, BIO_MAX_PAGES, log->bs);
+ ctx->ra_bio = bio_alloc_bioset(GFP_KERNEL, BIO_MAX_PAGES, &log->bs);
if (!ctx->ra_bio)
return -ENOMEM;
struct request_queue *q = bdev_get_queue(rdev->bdev);
struct r5l_log *log;
char b[BDEVNAME_SIZE];
+ int ret;
pr_debug("md/raid:%s: using device %s as journal\n",
mdname(conf->mddev), bdevname(rdev->bdev, b));
if (!log->io_kc)
goto io_kc;
- log->io_pool = mempool_create_slab_pool(R5L_POOL_SIZE, log->io_kc);
- if (!log->io_pool)
+ ret = mempool_init_slab_pool(&log->io_pool, R5L_POOL_SIZE, log->io_kc);
+ if (ret)
goto io_pool;
- log->bs = bioset_create(R5L_POOL_SIZE, 0, BIOSET_NEED_BVECS);
- if (!log->bs)
+ ret = bioset_init(&log->bs, R5L_POOL_SIZE, 0, BIOSET_NEED_BVECS);
+ if (ret)
goto io_bs;
- log->meta_pool = mempool_create_page_pool(R5L_POOL_SIZE, 0);
- if (!log->meta_pool)
+ ret = mempool_init_page_pool(&log->meta_pool, R5L_POOL_SIZE, 0);
+ if (ret)
goto out_mempool;
spin_lock_init(&log->tree_lock);
rcu_assign_pointer(conf->log, NULL);
md_unregister_thread(&log->reclaim_thread);
reclaim_thread:
- mempool_destroy(log->meta_pool);
+ mempool_exit(&log->meta_pool);
out_mempool:
- bioset_free(log->bs);
+ bioset_exit(&log->bs);
io_bs:
- mempool_destroy(log->io_pool);
+ mempool_exit(&log->io_pool);
io_pool:
kmem_cache_destroy(log->io_kc);
io_kc:
wake_up(&conf->mddev->sb_wait);
flush_work(&log->disable_writeback_work);
md_unregister_thread(&log->reclaim_thread);
- mempool_destroy(log->meta_pool);
- bioset_free(log->bs);
- mempool_destroy(log->io_pool);
+ mempool_exit(&log->meta_pool);
+ bioset_exit(&log->bs);
+ mempool_exit(&log->io_pool);
kmem_cache_destroy(log->io_kc);
kfree(log);
}
md_wakeup_thread(conf->mddev->thread);
return;
slow_path:
- local_irq_save(flags);
/* we are ok here if STRIPE_ON_RELEASE_LIST is set or not */
- if (atomic_dec_and_lock(&sh->count, &conf->device_lock)) {
+ if (atomic_dec_and_lock_irqsave(&sh->count, &conf->device_lock, flags)) {
INIT_LIST_HEAD(&list);
hash = sh->hash_lock_index;
do_release_stripe(conf, sh, &list);
- spin_unlock(&conf->device_lock);
+ spin_unlock_irqrestore(&conf->device_lock, flags);
release_inactive_stripe_list(conf, &list, hash);
}
- local_irq_restore(flags);
}
static inline void remove_hash(struct stripe_head *sh)
bi->bi_io_vec[0].bv_len = STRIPE_SIZE;
bi->bi_io_vec[0].bv_offset = 0;
bi->bi_iter.bi_size = STRIPE_SIZE;
+ bi->bi_write_hint = sh->dev[i].write_hint;
+ if (!rrdev)
+ sh->dev[i].write_hint = RWF_WRITE_LIFE_NOT_SET;
/*
* If this is discard request, set bi_vcnt 0. We don't
* want to confuse SCSI because SCSI will replace payload
rbi->bi_io_vec[0].bv_len = STRIPE_SIZE;
rbi->bi_io_vec[0].bv_offset = 0;
rbi->bi_iter.bi_size = STRIPE_SIZE;
+ rbi->bi_write_hint = sh->dev[i].write_hint;
+ sh->dev[i].write_hint = RWF_WRITE_LIFE_NOT_SET;
/*
* If this is discard request, set bi_vcnt 0. We don't
* want to confuse SCSI because SCSI will replace payload
* is completely stalled, so now is a good time to resize
* conf->disks and the scribble region
*/
- ndisks = kzalloc(newsize * sizeof(struct disk_info), GFP_NOIO);
+ ndisks = kcalloc(newsize, sizeof(struct disk_info), GFP_NOIO);
if (ndisks) {
for (i = 0; i < conf->pool_size; i++)
ndisks[i] = conf->disks[i];
(unsigned long long)sh->sector);
spin_lock_irq(&sh->stripe_lock);
+ sh->dev[dd_idx].write_hint = bi->bi_write_hint;
/* Don't allow new IO added to stripes in batch list */
if (sh->batch_head)
goto overlap;
*/
set_bit(STRIPE_BITMAP_PENDING, &sh->state);
spin_unlock_irq(&sh->stripe_lock);
- bitmap_startwrite(conf->mddev->bitmap, sh->sector,
- STRIPE_SECTORS, 0);
+ md_bitmap_startwrite(conf->mddev->bitmap, sh->sector,
+ STRIPE_SECTORS, 0);
spin_lock_irq(&sh->stripe_lock);
clear_bit(STRIPE_BITMAP_PENDING, &sh->state);
if (!sh->batch_head) {
bi = nextbi;
}
if (bitmap_end)
- bitmap_endwrite(conf->mddev->bitmap, sh->sector,
- STRIPE_SECTORS, 0, 0);
+ md_bitmap_endwrite(conf->mddev->bitmap, sh->sector,
+ STRIPE_SECTORS, 0, 0);
bitmap_end = 0;
/* and fail all 'written' */
bi = sh->dev[i].written;
}
}
if (bitmap_end)
- bitmap_endwrite(conf->mddev->bitmap, sh->sector,
- STRIPE_SECTORS, 0, 0);
+ md_bitmap_endwrite(conf->mddev->bitmap, sh->sector,
+ STRIPE_SECTORS, 0, 0);
/* If we were in the middle of a write the parity block might
* still be locked - so just clear all R5_LOCKED flags
*/
bio_endio(wbi);
wbi = wbi2;
}
- bitmap_endwrite(conf->mddev->bitmap, sh->sector,
- STRIPE_SECTORS,
- !test_bit(STRIPE_DEGRADED, &sh->state),
- 0);
+ md_bitmap_endwrite(conf->mddev->bitmap, sh->sector,
+ STRIPE_SECTORS,
+ !test_bit(STRIPE_DEGRADED, &sh->state),
+ 0);
if (head_sh->batch_head) {
sh = list_first_entry(&sh->batch_list,
struct stripe_head,
s->failed++;
if (rdev && !test_bit(Faulty, &rdev->flags))
do_recovery = 1;
+ else if (!rdev) {
+ rdev = rcu_dereference(
+ conf->disks[i].replacement);
+ if (rdev && !test_bit(Faulty, &rdev->flags))
+ do_recovery = 1;
+ }
}
if (test_bit(R5_InJournal, &dev->flags))
sh->check_state = head_sh->check_state;
sh->reconstruct_state = head_sh->reconstruct_state;
+ spin_lock_irq(&sh->stripe_lock);
+ sh->batch_head = NULL;
+ spin_unlock_irq(&sh->stripe_lock);
for (i = 0; i < sh->disks; i++) {
if (test_and_clear_bit(R5_Overlap, &sh->dev[i].flags))
do_wakeup = 1;
sh->dev[i].flags = head_sh->dev[i].flags &
(~((1 << R5_WriteError) | (1 << R5_Overlap)));
}
- spin_lock_irq(&sh->stripe_lock);
- sh->batch_head = NULL;
- spin_unlock_irq(&sh->stripe_lock);
if (handle_flags == 0 ||
sh->state & handle_flags)
set_bit(STRIPE_HANDLE, &sh->state);
/*
* use bio_clone_fast to make a copy of the bio
*/
- align_bi = bio_clone_fast(raid_bio, GFP_NOIO, mddev->bio_set);
+ align_bi = bio_clone_fast(raid_bio, GFP_NOIO, &mddev->bio_set);
if (!align_bi)
return 0;
/*
if (sectors < bio_sectors(raid_bio)) {
struct r5conf *conf = mddev->private;
- split = bio_split(raid_bio, sectors, GFP_NOIO, conf->bio_split);
+ split = bio_split(raid_bio, sectors, GFP_NOIO, &conf->bio_split);
bio_chain(split, raid_bio);
generic_make_request(raid_bio);
raid_bio = split;
for (d = 0;
d < conf->raid_disks - conf->max_degraded;
d++)
- bitmap_startwrite(mddev->bitmap,
- sh->sector,
- STRIPE_SECTORS,
- 0);
+ md_bitmap_startwrite(mddev->bitmap,
+ sh->sector,
+ STRIPE_SECTORS,
+ 0);
sh->bm_seq = conf->seq_flush + 1;
set_bit(STRIPE_BIT_DELAY, &sh->state);
}
}
if (mddev->curr_resync < max_sector) /* aborted */
- bitmap_end_sync(mddev->bitmap, mddev->curr_resync,
- &sync_blocks, 1);
+ md_bitmap_end_sync(mddev->bitmap, mddev->curr_resync,
+ &sync_blocks, 1);
else /* completed sync */
conf->fullsync = 0;
- bitmap_close_sync(mddev->bitmap);
+ md_bitmap_close_sync(mddev->bitmap);
return 0;
}
}
if (!test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery) &&
!conf->fullsync &&
- !bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, 1) &&
+ !md_bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, 1) &&
sync_blocks >= STRIPE_SECTORS) {
/* we can skip this block, and probably more */
sync_blocks /= STRIPE_SECTORS;
return sync_blocks * STRIPE_SECTORS; /* keep things rounded to whole stripes */
}
- bitmap_cond_end_sync(mddev->bitmap, sector_nr, false);
+ md_bitmap_cond_end_sync(mddev->bitmap, sector_nr, false);
sh = raid5_get_active_stripe(conf, sector_nr, 0, 1, 0);
if (sh == NULL) {
}
rcu_read_unlock();
- bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, still_degraded);
+ md_bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, still_degraded);
set_bit(STRIPE_SYNC_REQUESTED, &sh->state);
set_bit(STRIPE_HANDLE, &sh->state);
/* Now is a good time to flush some bitmap updates */
conf->seq_flush++;
spin_unlock_irq(&conf->device_lock);
- bitmap_unplug(mddev->bitmap);
+ md_bitmap_unplug(mddev->bitmap);
spin_lock_irq(&conf->device_lock);
conf->seq_write = conf->seq_flush;
activate_bit_delay(conf, conf->temp_inactive_list);
}
*group_cnt = num_possible_nodes();
size = sizeof(struct r5worker) * cnt;
- workers = kzalloc(size * *group_cnt, GFP_NOIO);
- *worker_groups = kzalloc(sizeof(struct r5worker_group) *
- *group_cnt, GFP_NOIO);
+ workers = kcalloc(size, *group_cnt, GFP_NOIO);
+ *worker_groups = kcalloc(*group_cnt, sizeof(struct r5worker_group),
+ GFP_NOIO);
if (!*worker_groups || !workers) {
kfree(workers);
kfree(*worker_groups);
if (conf->disks[i].extra_page)
put_page(conf->disks[i].extra_page);
kfree(conf->disks);
- if (conf->bio_split)
- bioset_free(conf->bio_split);
+ bioset_exit(&conf->bio_split);
kfree(conf->stripe_hashtbl);
kfree(conf->pending_data);
kfree(conf);
int i;
int group_cnt, worker_cnt_per_group;
struct r5worker_group *new_group;
+ int ret;
if (mddev->new_level != 5
&& mddev->new_level != 4
goto abort;
INIT_LIST_HEAD(&conf->free_list);
INIT_LIST_HEAD(&conf->pending_list);
- conf->pending_data = kzalloc(sizeof(struct r5pending_data) *
- PENDING_IO_MAX, GFP_KERNEL);
+ conf->pending_data = kcalloc(PENDING_IO_MAX,
+ sizeof(struct r5pending_data),
+ GFP_KERNEL);
if (!conf->pending_data)
goto abort;
for (i = 0; i < PENDING_IO_MAX; i++)
conf->previous_raid_disks = mddev->raid_disks - mddev->delta_disks;
max_disks = max(conf->raid_disks, conf->previous_raid_disks);
- conf->disks = kzalloc(max_disks * sizeof(struct disk_info),
+ conf->disks = kcalloc(max_disks, sizeof(struct disk_info),
GFP_KERNEL);
if (!conf->disks)
goto abort;
}
- conf->bio_split = bioset_create(BIO_POOL_SIZE, 0, 0);
- if (!conf->bio_split)
+ ret = bioset_init(&conf->bio_split, BIO_POOL_SIZE, 0, 0);
+ if (ret)
goto abort;
conf->mddev = mddev;
mddev->array_sectors > newsize)
return -EINVAL;
if (mddev->bitmap) {
- int ret = bitmap_resize(mddev->bitmap, sectors, 0, 0);
+ int ret = md_bitmap_resize(mddev->bitmap, sectors, 0, 0);
if (ret)
return ret;
}
* corresponding entries in XenStore and puts 1 as the value of the entry.
* If a feature is not supported then 0 must be set or feature entry omitted.
*
+ * feature-disable-keyboard
+ * Values: <uint>
+ *
+ * If there is no need to expose a virtual keyboard device by the
+ * frontend then this must be set to 1.
+ *
+ * feature-disable-pointer
+ * Values: <uint>
+ *
+ * If there is no need to expose a virtual pointer device by the
+ * frontend then this must be set to 1.
+ *
* feature-abs-pointer
* Values: <uint>
*
* Backends, which support reporting of multi-touch events
* should set this to 1.
*
+ * feature-raw-pointer
+ * Values: <uint>
+ *
+ * Backends, which support reporting raw (unscaled) absolute coordinates
+ * for pointer devices should set this to 1. Raw (unscaled) values have
+ * a range of [0, 0x7fff].
+ *
+ *----------------------- Device Instance Parameters ------------------------
+ *
+ * unique-id
+ * Values: <string>
+ *
+ * After device instance initialization it is assigned a unique ID,
+ * so every instance of the frontend can be identified by the backend
+ * by this ID. This can be UUID or such.
+ *
*------------------------- Pointer Device Parameters ------------------------
*
* width
* Maximum Y coordinate (height) to be used by the frontend
* while reporting input events, pixels, [0; UINT32_MAX].
*
+ *----------------------- Multi-touch Device Parameters ----------------------
+ *
+ * multi-touch-num-contacts
+ * Values: <uint>
+ *
+ * Number of simultaneous touches reported.
+ *
+ * multi-touch-width
+ * Values: <uint>
+ *
+ * Width of the touch area to be used by the frontend
+ * while reporting input events, pixels, [0; UINT32_MAX].
+ *
+ * multi-touch-height
+ * Values: <uint>
+ *
+ * Height of the touch area to be used by the frontend
+ * while reporting input events, pixels, [0; UINT32_MAX].
+ *
*****************************************************************************
* Frontend XenBus Nodes
*****************************************************************************
*
* Request backend to report multi-touch events.
*
+ * request-raw-pointer
+ * Values: <uint>
+ *
+ * Request backend to report raw unscaled absolute pointer coordinates.
+ * This option is only valid if request-abs-pointer is also set.
+ * Raw unscaled coordinates have the range [0, 0x7fff]
+ *
*----------------------- Request Transport Parameters -----------------------
*
* event-channel
*
* OBSOLETE, not recommended for use.
* PFN of the shared page.
- *
- *----------------------- Multi-touch Device Parameters -----------------------
- *
- * multi-touch-num-contacts
- * Values: <uint>
- *
- * Number of simultaneous touches reported.
- *
- * multi-touch-width
- * Values: <uint>
- *
- * Width of the touch area to be used by the frontend
- * while reporting input events, pixels, [0; UINT32_MAX].
- *
- * multi-touch-height
- * Values: <uint>
- *
- * Height of the touch area to be used by the frontend
- * while reporting input events, pixels, [0; UINT32_MAX].
*/
/*
#define XENKBD_DRIVER_NAME "vkbd"
+ #define XENKBD_FIELD_FEAT_DSBL_KEYBRD "feature-disable-keyboard"
+ #define XENKBD_FIELD_FEAT_DSBL_POINTER "feature-disable-pointer"
#define XENKBD_FIELD_FEAT_ABS_POINTER "feature-abs-pointer"
+ #define XENKBD_FIELD_FEAT_RAW_POINTER "feature-raw-pointer"
#define XENKBD_FIELD_FEAT_MTOUCH "feature-multi-touch"
#define XENKBD_FIELD_REQ_ABS_POINTER "request-abs-pointer"
+ #define XENKBD_FIELD_REQ_RAW_POINTER "request-raw-pointer"
#define XENKBD_FIELD_REQ_MTOUCH "request-multi-touch"
#define XENKBD_FIELD_RING_GREF "page-gref"
#define XENKBD_FIELD_EVT_CHANNEL "event-channel"
#define XENKBD_FIELD_MT_WIDTH "multi-touch-width"
#define XENKBD_FIELD_MT_HEIGHT "multi-touch-height"
#define XENKBD_FIELD_MT_NUM_CONTACTS "multi-touch-num-contacts"
+ #define XENKBD_FIELD_UNIQUE_ID "unique-id"
/* OBSOLETE, not recommended for use */
#define XENKBD_FIELD_RING_REF "page-ref"
* Linux [2] and Windows [3] multi-touch support.
*
* [1] https://cgit.freedesktop.org/wayland/wayland/tree/protocol/wayland.xml
- * [2] https://www.kernel.org/doc/Documentation/input/multi-touch-protocol.txt
+ * [2] https://www.kernel.org/doc/Documentation/input/multi-touch-protocol.rst
* [3] https://msdn.microsoft.com/en-us/library/jj151564(v=vs.85).aspx
*
*
#include <linux/bitops.h>
#include <linux/bug.h>
#include <linux/kernel.h>
+ #include <linux/slab.h>
#include <linux/string.h>
#include <linux/uaccess.h>
void __bitmap_complement(unsigned long *dst, const unsigned long *src, unsigned int bits)
{
- unsigned int k, lim = bits/BITS_PER_LONG;
+ unsigned int k, lim = BITS_TO_LONGS(bits);
for (k = 0; k < lim; ++k)
dst[k] = ~src[k];
-
- if (bits % BITS_PER_LONG)
- dst[k] = ~src[k];
}
EXPORT_SYMBOL(__bitmap_complement);
EXPORT_SYMBOL(bitmap_copy_le);
#endif
+ unsigned long *bitmap_alloc(unsigned int nbits, gfp_t flags)
+ {
+ return kmalloc_array(BITS_TO_LONGS(nbits), sizeof(unsigned long),
+ flags);
+ }
+ EXPORT_SYMBOL(bitmap_alloc);
+
+ unsigned long *bitmap_zalloc(unsigned int nbits, gfp_t flags)
+ {
+ return bitmap_alloc(nbits, flags | __GFP_ZERO);
+ }
+ EXPORT_SYMBOL(bitmap_zalloc);
+
+ void bitmap_free(const unsigned long *bitmap)
+ {
+ kfree(bitmap);
+ }
+ EXPORT_SYMBOL(bitmap_free);
+
#if BITS_PER_LONG == 64
/**
* bitmap_from_arr32 - copy the contents of u32 array of bits to bitmap
projects / linux-2.6-microblaze.git / commitdiff