blk-mq: allow drivers to hook into I/O completion

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Split out the bottom half of blk_mq_end_io so that drivers can perform
work when they know a request has been completed, but before it has been
freed.  This also obsoletes blk_mq_end_io_partial as drivers can now
pass any value to blk_update_request directly.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>

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Christoph Hellwig 2014-04-16 09:44:52 +02:00 • committed by Jens Axboe

parent 6700a678c0

commit 63151a449e

2 changed files with 12 additions and 13 deletions

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16

block/blk-mq.c

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9

include/linux/blk-mq.h

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