diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2022-07-14 11:06:30 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2022-10-14 14:16:46 -0700 |
| commit | 704f248d3a35bb62933af4cd240a0124abc19fcc (patch) | |
| tree | 7d918ff6291d9e1da83ab37858894906148fa94e /fs/xfs/scrub | |
| parent | b9d1f8d6cf021a8fc125e035e9b532a9d723b67c (diff) | |
xfs: support in-memory buffer cache targets
Allow the buffer cache to target in-memory files by connecting it to
xfiles.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'fs/xfs/scrub')
| -rw-r--r-- | fs/xfs/scrub/xfile.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/xfs/scrub/xfile.h b/fs/xfs/scrub/xfile.h index 9513b90fd0f5..c057bf786468 100644 --- a/fs/xfs/scrub/xfile.h +++ b/fs/xfs/scrub/xfile.h @@ -6,6 +6,7 @@ #ifndef __XFS_SCRUB_XFILE_H__ #define __XFS_SCRUB_XFILE_H__ +#ifdef CONFIG_XFS_IN_MEMORY_FILE struct xfile { struct file *file; }; @@ -61,5 +62,18 @@ int xfile_obj_put_page(struct xfile *xf, loff_t offset, unsigned int len, struct page *page, void *fsdata); int xfile_dump(struct xfile *xf); +#else +static inline int +xfile_obj_load(struct xfile *xf, void *buf, size_t count, loff_t offset) +{ + return -EIO; +} + +static inline int +xfile_obj_store(struct xfile *xf, const void *buf, size_t count, loff_t offset) +{ + return -EIO; +} +#endif /* CONFIG_XFS_IN_MEMORY_FILE */ #endif /* __XFS_SCRUB_XFILE_H__ */ |