block: add async variant of blkdev_issue_zeroout

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Similar to __blkdev_issue_discard this variant allows submitting
the final bio asynchronously and chaining multiple ranges
into a single completion.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@hgst.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>

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Chaitanya Kulkarni 2016-11-30 12:28:58 -08:00 • committed by Jens Axboe

parent b02d8aaea1

commit e73c23ff73

2 changed files with 84 additions and 34 deletions

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include/linux/blkdev.h

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