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dm: remove legacy request-based IO path

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dm supports both, and since we're killing off the legacy path in
general, get rid of it in dm.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Jens Axboe
2018-10-10 20:49:26 -06:00
committed by Mike Snitzer
parent 118aa47c70
commit 6a23e05c2f
9 changed files with 36 additions and 393 deletions
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11
drivers/md/Kconfig
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@@ -215,17 +215,6 @@ config BLK_DEV_DM
If unsure, say N.
config DM_MQ_DEFAULT
bool "request-based DM: use blk-mq I/O path by default"
depends on BLK_DEV_DM
---help---
This option enables the blk-mq based I/O path for request-based
DM devices by default. With the option the dm_mod.use_blk_mq
module/boot option defaults to Y, without it to N, but it can
still be overriden either way.
If unsure say N.
config DM_DEBUG
bool "Device mapper debugging support"
depends on BLK_DEV_DM