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| author |   Dmitry Monakhov <dmonakhov@openvz.org> | 2010-04-28 17:55:09 +0400 |
|---|---|---|
| committer |   Jens Axboe <jens.axboe@oracle.com> | 2010-04-28 19:47:36 +0200 |
| commit | 3f14d792f9a8fede64ce918dbb517f934497a4f8 (patch) | |
| tree | 1eb1d1803ebe21c05f38bc75c70ee966701a1fe8 /include/linux/blkdev.h | |
| parent | blkdev: move blkdev_issue helper functions to separate file (diff) | |
| download | linux-dev-3f14d792f9a8fede64ce918dbb517f934497a4f8.tar.xz linux-dev-3f14d792f9a8fede64ce918dbb517f934497a4f8.zip | |
blkdev: add blkdev_issue_zeroout helper function
- Add bio_batch helper primitive. This is rather generic primitive
for submitting/waiting a complex request which consists of several
bios.
- blkdev_issue_zeroout() generate number of zero filed write bios.
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 59b9aed0ee7d..3ac2bd2fc485 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1008,7 +1008,8 @@ extern int blkdev_issue_flush(struct block_device *, gfp_t, sector_t *, unsigned long); 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_zeroout(struct block_device *bdev, sector_t sector, + sector_t nr_sects, gfp_t gfp_mask, unsigned long flags); static inline int sb_issue_discard(struct super_block *sb, sector_t block, sector_t nr_blocks) { |