blk-mq: make per-sw-queue bio merge as default .bio_merge

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Because what the per-sw-queue bio merge does is basically same with
scheduler's .bio_merge(), this patch makes per-sw-queue bio merge
as the default .bio_merge if no scheduler is used or io scheduler
doesn't provide .bio_merge().

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

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This commit is contained in:

Ming Lei 2017-05-26 19:53:20 +08:00 • committed by Jens Axboe

parent ab42f35d9c

commit 9bddeb2a5b

3 changed files with 58 additions and 72 deletions

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62

block/blk-mq-sched.c

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4

block/blk-mq-sched.h

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64

block/blk-mq.c

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