diff options
| author | Dave Chinner <david@fromorbit.com> | 2015-10-12 09:38:25 +0200 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2015-10-12 09:38:25 +0200 |
| commit | 1e2103cbf4adfd5490ee5f3ee59750bd70d2047e (patch) | |
| tree | fb8256698fc1098784ef0bedba22768a793679f4 /fs/xfs/libxfs/xfs_format.h | |
| parent | Merge branch 'xfs-io-fixes' into for-next (diff) | |
| parent | xfs: more info from kmem deadlocks and high-level error msgs (diff) | |
| download | linux-1e2103cbf4adfd5490ee5f3ee59750bd70d2047e.tar.xz linux-1e2103cbf4adfd5490ee5f3ee59750bd70d2047e.zip | |
Merge branch 'xfs-misc-fixes-for-4.4-1' into for-next
Diffstat (limited to 'fs/xfs/libxfs/xfs_format.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_format.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 9590a069e556..8568de163004 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -60,6 +60,14 @@ struct xfs_ifork; #define XFS_SB_VERSION_MOREBITSBIT 0x8000 /* + * The size of a single extended attribute on disk is limited by + * the size of index values within the attribute entries themselves. + * These are be16 fields, so we can only support attribute data + * sizes up to 2^16 bytes in length. + */ +#define XFS_XATTR_SIZE_MAX (1 << 16) + +/* * Supported feature bit list is just all bits in the versionnum field because * we've used them all up and understand them all. Except, of course, for the * shared superblock bit, which nobody knows what it does and so is unsupported. @@ -1483,7 +1491,7 @@ struct xfs_acl { */ #define XFS_ACL_MAX_ENTRIES(mp) \ (xfs_sb_version_hascrc(&mp->m_sb) \ - ? (XATTR_SIZE_MAX - sizeof(struct xfs_acl)) / \ + ? (XFS_XATTR_SIZE_MAX - sizeof(struct xfs_acl)) / \ sizeof(struct xfs_acl_entry) \ : 25) |