Merge tag 'pm+acpi-fixes-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...

[karo-tx-linux.git] / fs / xfs / xfs_sb.h

diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h
index f429d9d5d325d8f1e48f13efda8b1b9a2d4b6f7e..a05b45175fb06d49517175dadc9f644fb79166f5 100644 (file)
--- 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
  */