block: add __blkdev_issue_discard

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This is a version of blkdev_issue_discard which doesn't wait for
the I/O to complete, but instead allows the caller to submit
the final bio and/or chain it to others.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lin <ming.l@ssi.samsung.com>
Signed-off-by: Sagi Grimberg <sagig@grimberg.me>
Reviewed-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

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Christoph Hellwig 2016-04-16 14:55:28 -04:00 • committed by Jens Axboe

parent 9082e87bfb

commit 38f2525533

2 changed files with 39 additions and 26 deletions

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include/linux/blkdev.h

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