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(parent: 021a244) | patch
dm: add support for REQ_NOWAIT and enable it for linear target
authorKonstantin Khlebnikov <khlebnikov@yandex-team.ru>
Wed, 23 Sep 2020 20:06:52 +0000 (16:06 -0400)
committerJens Axboe <axboe@kernel.dk>
Fri, 25 Sep 2020 14:20:03 +0000 (08:20 -0600)
commit6abc49468eeaad2dd481779906aaa29605139087
treebc4c7489f07e17a9b4328b6c135871811f541027tree | snapshot
parent021a24460dc28e7412aecfae89f60e1847e685c0commit | diff
dm: add support for REQ_NOWAIT and enable it for linear target

Add DM target feature flag DM_TARGET_NOWAIT which advertises that
target works with REQ_NOWAIT bios.

Add dm_table_supports_nowait() and update dm_table_set_restrictions()
to set/clear QUEUE_FLAG_NOWAIT accordingly.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/md/dm-linear.c diff | blob | history
drivers/md/dm-table.c diff | blob | history
drivers/md/dm.c diff | blob | history
include/linux/device-mapper.h diff | blob | history
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