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| author | Chandan Babu R <chandan.babu@oracle.com> | 2021-08-09 12:05:22 +0530 |
|---|---|---|
| committer | Chandan Babu R <chandan.babu@oracle.com> | 2022-04-11 04:11:17 +0000 |
| commit | 95f0b95e2b686ceaa3f465e9fa079f22e0fe7665 (patch) | |
| tree | 6ad802b3e0cc7f9cccc1d7e051bc7d5c6f003955 /fs/xfs/libxfs/xfs_inode_buf.c | |
| parent | 3b0d9fd369ea48419ccb578e0bafa4c54df63ba6 (diff) | |
| download | linux-stable-95f0b95e2b686ceaa3f465e9fa079f22e0fe7665.tar.gz linux-stable-95f0b95e2b686ceaa3f465e9fa079f22e0fe7665.tar.bz2 linux-stable-95f0b95e2b686ceaa3f465e9fa079f22e0fe7665.zip | |
xfs: Define max extent length based on on-disk format definition
The maximum extent length depends on maximum block count that can be stored in
a BMBT record. Hence this commit defines MAXEXTLEN based on
BMBT_BLOCKCOUNT_BITLEN.
While at it, the commit also renames MAXEXTLEN to XFS_MAX_BMBT_EXTLEN.
Suggested-by: Darrick J. Wong <djwong@kernel.org>
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_buf.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_inode_buf.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index cae9708c8587..87781a5d5a45 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -639,7 +639,7 @@ xfs_inode_validate_extsize( if (extsize_bytes % blocksize_bytes) return __this_address; - if (extsize > MAXEXTLEN) + if (extsize > XFS_MAX_BMBT_EXTLEN) return __this_address; if (!rt_flag && extsize > mp->m_sb.sb_agblocks / 2) @@ -696,7 +696,7 @@ xfs_inode_validate_cowextsize( if (cowextsize_bytes % mp->m_sb.sb_blocksize) return __this_address; - if (cowextsize > MAXEXTLEN) + if (cowextsize > XFS_MAX_BMBT_EXTLEN) return __this_address; if (cowextsize > mp->m_sb.sb_agblocks / 2) |