xfs: remove the unused XFS_ALLOC_USERDATA flag

Signed-off-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NDarrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: NDarrick J. Wong <darrick.wong@oracle.com>

fs/xfs/libxfs/xfs_alloc.h

@@ -81,10 +81,9 @@ typedef struct xfs_alloc_arg {
 /*
  * Defines for datatype
  */
-#define XFS_ALLOC_USERDATA		(1 << 0)/* allocation is for user data*/
-#define XFS_ALLOC_INITIAL_USER_DATA	(1 << 1)/* special case start of file */
-#define XFS_ALLOC_USERDATA_ZERO		(1 << 2)/* zero extent on allocation */
-#define XFS_ALLOC_NOBUSY		(1 << 3)/* Busy extents not allowed */
+#define XFS_ALLOC_INITIAL_USER_DATA	(1 << 0)/* special case start of file */
+#define XFS_ALLOC_USERDATA_ZERO		(1 << 1)/* zero extent on allocation */
+#define XFS_ALLOC_NOBUSY		(1 << 2)/* Busy extents not allowed */
 
 static inline bool
 xfs_alloc_is_userdata(int datatype)

fs/xfs/libxfs/xfs_bmap.c

@@ -4042,12 +4042,8 @@ xfs_bmapi_allocate(
 	 */
 	if (!(bma->flags & XFS_BMAPI_METADATA)) {
 		bma->datatype = XFS_ALLOC_NOBUSY;
-		if (whichfork == XFS_DATA_FORK) {
-			if (bma->offset == 0)
-				bma->datatype |= XFS_ALLOC_INITIAL_USER_DATA;
-			else
-				bma->datatype |= XFS_ALLOC_USERDATA;
-		}
+		if (whichfork == XFS_DATA_FORK && bma->offset == 0)
+			bma->datatype |= XFS_ALLOC_INITIAL_USER_DATA;
 		if (bma->flags & XFS_BMAPI_ZERO)
 			bma->datatype |= XFS_ALLOC_USERDATA_ZERO;
 	}