summaryrefslogtreecommitdiff
path: root/include/linux/blkdev.h
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2016-04-16 14:55:28 -0400
committerJens Axboe <axboe@fb.com>2016-05-02 09:19:46 -0600
commit38f252553300ee1d3346a5273e95fe1dd60ca50a (patch)
treeddd79bcd6c509dc804374d250a38a0ebd5c3b7c1 /include/linux/blkdev.h
parent9082e87bfbf83579b97e3bfc45d81f3e50da2177 (diff)
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.h2
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,