Documentation/ABI/testing/sysfs-class-rnbd-server

   1 What:           /sys/class/rnbd-server
   2 Date:           Feb 2020
   3 KernelVersion:  5.7
   4 Contact:        Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
   5 Description:    provide information about RNBD-server.
   6
   7 What:           /sys/class/rnbd-server/ctl/
   8 Date:           Feb 2020
   9 KernelVersion:  5.7
  10 Contact:        Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
  11 Description:    When a client maps a device, a directory entry with the name of the
  12                 block device is created under /sys/class/rnbd-server/ctl/devices/.
  13
  14 What:           /sys/class/rnbd-server/ctl/devices/<device_name>/block_dev
  15 Date:           Feb 2020
  16 KernelVersion:  5.7
  17 Contact:        Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
  18 Description:    Is a symlink to the sysfs entry of the exported device.
  19
  20                 Example:
  21                 block_dev -> ../../../../class/block/ram0
  22
  23 What:           /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/
  24 Date:           Feb 2020
  25 KernelVersion:  5.7
  26 Contact:        Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
  27 Description:    For each client a particular device is exported to, following directory will be
  28                 created:
  29
  30                 /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/
  31
  32                 When the device is unmapped by that client, the directory will be removed.
  33
  34 What:           /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/read_only
  35 Date:           Feb 2020
  36 KernelVersion:  5.7
  37 Contact:        Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
  38 Description:    Contains '1' if device is mapped read-only, otherwise '0'.
  39
  40 What:           /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/mapping_path
  41 Date:           Feb 2020
  42 KernelVersion:  5.7
  43 Contact:        Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
  44 Description:    Contains the relative device path provided by the user during mapping.
  45
  46 What:           /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/access_mode
  47 Date:           Feb 2020
  48 KernelVersion:  5.7
  49 Contact:        Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com>
  50 Description:    Contains the device access mode: ro, rw or migration.