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-rw-r--r--fs/xfs/xfs_sb.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h
index f429d9d5d32..a05b45175fb 100644
--- a/fs/xfs/xfs_sb.h
+++ b/fs/xfs/xfs_sb.h
@@ -81,6 +81,7 @@ struct xfs_mount;
#define XFS_SB_VERSION2_ATTR2BIT 0x00000008 /* Inline attr rework */
#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_OKREALFBITS \
(XFS_SB_VERSION2_LAZYSBCOUNTBIT | \
@@ -503,6 +504,12 @@ static inline int xfs_sb_version_hasprojid32bit(xfs_sb_t *sbp)
(sbp->sb_features2 & XFS_SB_VERSION2_PROJID32BIT);
}
+static inline int xfs_sb_version_hascrc(xfs_sb_t *sbp)
+{
+ return (xfs_sb_version_hasmorebits(sbp) &&
+ (sbp->sb_features2 & XFS_SB_VERSION2_CRCBIT));
+}
+
/*
* end of superblock version macros
*/