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Diffstat (limited to 'fs/xfs/xfs_inode.h')
-rw-r--r--fs/xfs/xfs_inode.h15
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index d418eeed4eb..012dfd4a958 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -415,19 +415,22 @@ xfs_iflags_test(xfs_inode_t *ip, unsigned short flags)
* gets a lockdep subclass of 1 and the second lock will have a lockdep
* subclass of 0.
*
- * XFS_I[O]LOCK_INUMORDER - for locking several inodes at the some time
+ * XFS_LOCK_INUMORDER - for locking several inodes at the some time
* with xfs_lock_inodes(). This flag is used as the starting subclass
* and each subsequent lock acquired will increment the subclass by one.
* So the first lock acquired will have a lockdep subclass of 2, the
- * second lock will have a lockdep subclass of 3, and so on.
+ * second lock will have a lockdep subclass of 3, and so on. It is
+ * the responsibility of the class builder to shift this to the correct
+ * portion of the lock_mode lockdep mask.
*/
+#define XFS_LOCK_PARENT 1
+#define XFS_LOCK_INUMORDER 2
+
#define XFS_IOLOCK_SHIFT 16
-#define XFS_IOLOCK_PARENT (1 << XFS_IOLOCK_SHIFT)
-#define XFS_IOLOCK_INUMORDER (2 << XFS_IOLOCK_SHIFT)
+#define XFS_IOLOCK_PARENT (XFS_LOCK_PARENT << XFS_IOLOCK_SHIFT)
#define XFS_ILOCK_SHIFT 24
-#define XFS_ILOCK_PARENT (1 << XFS_ILOCK_SHIFT)
-#define XFS_ILOCK_INUMORDER (2 << XFS_ILOCK_SHIFT)
+#define XFS_ILOCK_PARENT (XFS_LOCK_PARENT << XFS_ILOCK_SHIFT)
#define XFS_IOLOCK_DEP_MASK 0x00ff0000
#define XFS_ILOCK_DEP_MASK 0xff000000