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| author |   Christoph Hellwig <hch@lst.de> | 2016-04-16 14:55:28 -0400 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2016-05-02 09:19:46 -0600 |
| commit | 38f252553300ee1d3346a5273e95fe1dd60ca50a (patch) | |
| tree | ddd79bcd6c509dc804374d250a38a0ebd5c3b7c1 /include/linux/blkdev.h | |
| parent | block: remove struct bio_batch (diff) | |
| download | linux-dev-38f252553300ee1d3346a5273e95fe1dd60ca50a.tar.xz linux-dev-38f252553300ee1d3346a5273e95fe1dd60ca50a.zip | |
block: add __blkdev_issue_discard
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>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index ba72687c5654..b79131acf6c0 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1131,6 +1131,8 @@ static inline struct request *blk_map_queue_find_tag(struct blk_queue_tag *bqt, extern int blkdev_issue_flush(struct block_device *, gfp_t, sector_t *); extern int blkdev_issue_discard(struct block_device *bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, unsigned long flags); +extern int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, + sector_t nr_sects, gfp_t gfp_mask, int type, struct bio **biop); extern int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, struct page *page); extern int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, |