From df9ad5cc7a524048ea7ff983d6feeb6d8c47a761 Mon Sep 17 00:00:00 2001 From: Chandan Babu R Date: Tue, 16 Nov 2021 09:54:37 +0000 Subject: xfs: Introduce macros to represent new maximum extent counts for data/attr forks This commit defines new macros to represent maximum extent counts allowed by filesystems which have support for large per-inode extent counters. Reviewed-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Chandan Babu R --- fs/xfs/libxfs/xfs_inode_fork.h | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) (limited to 'fs/xfs/libxfs/xfs_inode_fork.h') diff --git a/fs/xfs/libxfs/xfs_inode_fork.h b/fs/xfs/libxfs/xfs_inode_fork.h index 4a8b77d425df..967837a88860 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.h +++ b/fs/xfs/libxfs/xfs_inode_fork.h @@ -133,12 +133,25 @@ 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) +static inline xfs_extnum_t xfs_iext_max_nextents(bool has_large_extent_counts, + int whichfork) { - if (whichfork == XFS_DATA_FORK || whichfork == XFS_COW_FORK) - return MAXEXTNUM; + switch (whichfork) { + case XFS_DATA_FORK: + case XFS_COW_FORK: + if (has_large_extent_counts) + return XFS_MAX_EXTCNT_DATA_FORK_LARGE; + return XFS_MAX_EXTCNT_DATA_FORK_SMALL; + + case XFS_ATTR_FORK: + if (has_large_extent_counts) + return XFS_MAX_EXTCNT_ATTR_FORK_LARGE; + return XFS_MAX_EXTCNT_ATTR_FORK_SMALL; - return MAXAEXTNUM; + default: + ASSERT(0); + return 0; + } } static inline xfs_extnum_t -- cgit