md/raid5: call bio_endio() directly rather than queueing for later.

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We currently gather bios that need to be returned into a bio_list
and call bio_endio() on them all together.
The original reason for this was to avoid making the calls while
holding a spinlock.
Locking has changed a lot since then, and that reason is no longer
valid.

So discard return_io() and various return_bi lists, and just call
bio_endio() directly as needed.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>

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This commit is contained in:

NeilBrown 2017-03-15 14:05:12 +11:00 • committed by Shaohua Li

parent 16d997b78b

commit bd83d0a28c

4 changed files with 16 additions and 38 deletions

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13

drivers/md/raid5-cache.c

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2

drivers/md/raid5-log.h

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38

drivers/md/raid5.c

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1

drivers/md/raid5.h

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