1 files changed, 16 insertions, 1 deletions

diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h
index d904efe7f871..3f8cf1587f4c 100644
--- a/fs/xfs/xfs_sb.h
+++ b/fs/xfs/xfs_sb.h
@@ -46,10 +46,12 @@ struct xfs_mount;
 #define XFS_SB_VERSION_SECTORBIT        0x0800
 #define XFS_SB_VERSION_EXTFLGBIT        0x1000
 #define XFS_SB_VERSION_DIRV2BIT         0x2000
+#define XFS_SB_VERSION_BORGBIT          0x4000  /* ASCII only case-insens. */
 #define XFS_SB_VERSION_MOREBITSBIT      0x8000
 #define XFS_SB_VERSION_OKSASHFBITS      \
         (XFS_SB_VERSION_EXTFLGBIT | \
-         XFS_SB_VERSION_DIRV2BIT)
+         XFS_SB_VERSION_DIRV2BIT | \
+         XFS_SB_VERSION_BORGBIT)
 #define XFS_SB_VERSION_OKREALFBITS      \
         (XFS_SB_VERSION_ATTRBIT | \
          XFS_SB_VERSION_NLINKBIT | \
@@ -437,6 +439,12 @@ static inline int xfs_sb_version_hassector(xfs_sb_t *sbp)
                 ((sbp)->sb_versionnum & XFS_SB_VERSION_SECTORBIT);
 }
 
+static inline int xfs_sb_version_hasasciici(xfs_sb_t *sbp)
+{
+        return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \
+                (sbp->sb_versionnum & XFS_SB_VERSION_BORGBIT);
+}
+
 static inline int xfs_sb_version_hasmorebits(xfs_sb_t *sbp)
 {
         return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \
@@ -473,6 +481,13 @@ static inline void xfs_sb_version_addattr2(xfs_sb_t *sbp)
                 ((sbp)->sb_features2 | XFS_SB_VERSION2_ATTR2BIT)));
 }
 
+static inline void xfs_sb_version_removeattr2(xfs_sb_t *sbp)
+{
+        sbp->sb_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
+        if (!sbp->sb_features2)
+                sbp->sb_versionnum &= ~XFS_SB_VERSION_MOREBITSBIT;
+}
+
 /*
  * end of superblock version macros
  */