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authorChaitanya Kulkarni <chaitanya.kulkarni@hgst.com>2016-11-30 23:28:58 +0300
committerJens Axboe <axboe@fb.com>2016-12-01 17:58:40 +0300
commite73c23ff736e1ea371dfa419d7bf8e77ee53044a (patch)
tree0c31b23f95f72106ed12776a5343b17986d3c7bc /include/linux/blkdev.h
parentb02d8aaea12463f573c5ef485c638ab12628dc5e (diff)
downloadlinux-e73c23ff736e1ea371dfa419d7bf8e77ee53044a.tar.xz
block: add async variant of blkdev_issue_zeroout
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>
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 541fdd8787a5..7e9d8a0895be 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1269,6 +1269,9 @@ extern int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
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,
+ sector_t nr_sects, gfp_t gfp_mask, struct bio **biop,
+ bool discard);
extern int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
sector_t nr_sects, gfp_t gfp_mask, bool discard);
static inline int sb_issue_discard(struct super_block *sb, sector_t block,