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| author | Chandan Babu R <chandan.babu@oracle.com> | 2020-08-27 15:09:10 +0530 |
|---|---|---|
| committer | Chandan Babu R <chandan.babu@oracle.com> | 2022-04-11 04:11:17 +0000 |
| commit | 9feb8f19665c8ba051c6a81aa7897149e7748e1e (patch) | |
| tree | 501f071896209b1c464e49d69a1f42f940b6f16b /fs/xfs/libxfs/xfs_inode_fork.h | |
| parent | 95f0b95e2b686ceaa3f465e9fa079f22e0fe7665 (diff) | |
| download | linux-9feb8f19665c8ba051c6a81aa7897149e7748e1e.tar.bz2 | |
xfs: Introduce xfs_iext_max_nextents() helper
xfs_iext_max_nextents() returns the maximum number of extents possible for one
of data, cow or attribute fork. This helper will be extended further in a
future commit when maximum extent counts associated with data/attribute forks
are increased.
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_inode_fork.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_inode_fork.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_fork.h b/fs/xfs/libxfs/xfs_inode_fork.h index 3d64a3acb0ed..2605f7ff8fc1 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.h +++ b/fs/xfs/libxfs/xfs_inode_fork.h @@ -133,6 +133,14 @@ static inline int8_t xfs_ifork_format(struct xfs_ifork *ifp) return ifp->if_format; } +static inline xfs_extnum_t xfs_iext_max_nextents(int whichfork) +{ + if (whichfork == XFS_DATA_FORK || whichfork == XFS_COW_FORK) + return MAXEXTNUM; + + return MAXAEXTNUM; +} + struct xfs_ifork *xfs_ifork_alloc(enum xfs_dinode_fmt format, xfs_extnum_t nextents); struct xfs_ifork *xfs_iext_state_to_fork(struct xfs_inode *ip, int state); |