diff options
| author | Mark Tinguely <tinguely@sgi.com> | 2013-08-19 15:19:36 -0500 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2013-08-22 08:49:59 -0500 |
| commit | 3e3c51cee9a07d67e3910cc514867b56ac60ec94 (patch) | |
| tree | fd5880e5607c282a93a5943d7823520720c56687 | |
| parent | 1c55cece084aa4c9a3fa34ed4eecbdf18afbf05d (diff) | |
xfs: add xfs sb v4 support for dirent filetype field
Add XFS superblock v4 support for the file type field in the
directory entry feature.
This support adds a feature bit for version 4 superblocks and
leaves the original superblock 5 incompatibility bit.
Signed-off-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Geoffrey Wehrman <gwehrman@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
| -rw-r--r-- | fs/xfs/xfs_sb.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h index c8d88989bad6..6835b44f850e 100644 --- a/fs/xfs/xfs_sb.h +++ b/fs/xfs/xfs_sb.h @@ -84,11 +84,13 @@ struct xfs_trans; #define XFS_SB_VERSION2_PARENTBIT 0x00000010 /* parent pointers */ #define XFS_SB_VERSION2_PROJID32BIT 0x00000080 /* 32 bit project id */ #define XFS_SB_VERSION2_CRCBIT 0x00000100 /* metadata CRCs */ +#define XFS_SB_VERSION2_FTYPE 0x00000200 /* inode type in dir */ #define XFS_SB_VERSION2_OKREALFBITS \ (XFS_SB_VERSION2_LAZYSBCOUNTBIT | \ XFS_SB_VERSION2_ATTR2BIT | \ - XFS_SB_VERSION2_PROJID32BIT) + XFS_SB_VERSION2_PROJID32BIT | \ + XFS_SB_VERSION2_FTYPE) #define XFS_SB_VERSION2_OKSASHFBITS \ (0) #define XFS_SB_VERSION2_OKREALBITS \ @@ -631,8 +633,10 @@ static inline int xfs_sb_version_has_pquotino(xfs_sb_t *sbp) static inline int xfs_sb_version_hasftype(struct xfs_sb *sbp) { - return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 && - xfs_sb_has_incompat_feature(sbp, XFS_SB_FEAT_INCOMPAT_FTYPE); + return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 && + xfs_sb_has_incompat_feature(sbp, XFS_SB_FEAT_INCOMPAT_FTYPE)) || + (xfs_sb_version_hasmorebits(sbp) && + (sbp->sb_features2 & XFS_SB_VERSION2_FTYPE)); } /* |