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| author | Shiyang Ruan <ruansy.fnst@fujitsu.com> | 2021-11-29 13:21:49 +0300 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2021-12-04 19:58:52 +0300 |
| commit | f1ba5fafba9bfde4b040cd0d14256aed25a35c5e (patch) | |
| tree | aa3138de4ca98e5a5be587fb1c4957c29de0f360 /fs/xfs/xfs_iomap.h | |
| parent | 60696eb26a37ab0199f7833ddbc1b75138c36d16 (diff) | |
| download | linux-f1ba5fafba9bfde4b040cd0d14256aed25a35c5e.tar.xz | |
xfs: add xfs_zero_range and xfs_truncate_page helpers
Add helpers to prepare for using different DAX operations.
Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com>
[hch: split from a larger patch + slight cleanups]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20211129102203.2243509-16-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'fs/xfs/xfs_iomap.h')
| -rw-r--r-- | fs/xfs/xfs_iomap.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h index 7d3703556d0e..f1a281ab9328 100644 --- a/fs/xfs/xfs_iomap.h +++ b/fs/xfs/xfs_iomap.h @@ -20,6 +20,10 @@ xfs_fileoff_t xfs_iomap_eof_align_last_fsb(struct xfs_inode *ip, int xfs_bmbt_to_iomap(struct xfs_inode *, struct iomap *, struct xfs_bmbt_irec *, u16); +int xfs_zero_range(struct xfs_inode *ip, loff_t pos, loff_t len, + bool *did_zero); +int xfs_truncate_page(struct xfs_inode *ip, loff_t pos, bool *did_zero); + static inline xfs_filblks_t xfs_aligned_fsb_count( xfs_fileoff_t offset_fsb, |