1 files changed, 10 insertions, 3 deletions

diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index b9d8a499d2c4..6aaa0c1c7200 100644
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -166,6 +166,11 @@ static inline void xfs_bmap_init(xfs_bmap_free_t *flp, xfs_fsblock_t *fbp)
  */
 #define XFS_BMAP_MAX_SHIFT_EXTENTS      1
 
+enum shift_direction {
+        SHIFT_LEFT = 0,
+        SHIFT_RIGHT,
+};
+
 #ifdef DEBUG
 void    xfs_bmap_trace_exlist(struct xfs_inode *ip, xfs_extnum_t cnt,
                 int whichfork, unsigned long caller_ip);
@@ -211,8 +216,10 @@ int	xfs_check_nostate_extents(struct xfs_ifork *ifp, xfs_extnum_t idx,
                 xfs_extnum_t num);
 uint    xfs_default_attroffset(struct xfs_inode *ip);
 int     xfs_bmap_shift_extents(struct xfs_trans *tp, struct xfs_inode *ip,
-                xfs_fileoff_t start_fsb, xfs_fileoff_t offset_shift_fsb,
-                int *done, xfs_fileoff_t *next_fsb, xfs_fsblock_t *firstblock,
-                struct xfs_bmap_free *flist, int num_exts);
+                xfs_fileoff_t *next_fsb, xfs_fileoff_t offset_shift_fsb,
+                int *done, xfs_fileoff_t stop_fsb, xfs_fsblock_t *firstblock,
+                struct xfs_bmap_free *flist, enum shift_direction direction,
+                int num_exts);
+int     xfs_bmap_split_extent(struct xfs_inode *ip, xfs_fileoff_t split_offset);
 
 #endif  /* __XFS_BMAP_H__ */