diff options
| author | Chandan Babu R <chandan.babu@oracle.com> | 2020-10-07 15:00:03 +0530 |
|---|---|---|
| committer | Chandan Babu R <chandan.babu@oracle.com> | 2022-04-11 04:11:17 +0000 |
| commit | 3b0d9fd369ea48419ccb578e0bafa4c54df63ba6 (patch) | |
| tree | 2b7f31ca39b07ed828aec9b5565e397b166f312c /fs/xfs/libxfs/xfs_format.h | |
| parent | ce522ba9ef7e2d9fb22a39eb3371c0c64e2a433e (diff) | |
xfs: Move extent count limits to xfs_format.h
Maximum values associated with extent counters i.e. Maximum extent length,
Maximum data extents and Maximum xattr extents are dictated by the on-disk
format. Hence move these definitions over to xfs_format.h.
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Chandan Babu R <chandan.babu@oracle.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_format.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_format.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index d665c04e69dd..d75e5b16da7e 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -870,6 +870,13 @@ enum xfs_dinode_fmt { { XFS_DINODE_FMT_UUID, "uuid" } /* + * Max values for extlen, extnum, aextnum. + */ +#define MAXEXTLEN ((xfs_extlen_t)0x001fffff) /* 21 bits */ +#define MAXEXTNUM ((xfs_extnum_t)0x7fffffff) /* signed int */ +#define MAXAEXTNUM ((xfs_aextnum_t)0x7fff) /* signed short */ + +/* * Inode minimum and maximum sizes. */ #define XFS_DINODE_MIN_LOG 8 |