[XFS] Cleanup comment to remove reference to obsoleted function

xfs_bmap_do_search_extents().

SGI-PV: 951415
SGI-Modid: xfs-linux-melb:xfs-kern:208491a
Signed-off-by: Mandy Kirkconnell <alkirkco@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>

fs/xfs/xfs_bmap.h

@@ -353,10 +353,11 @@ xfs_check_nostate_extents(
 	xfs_extnum_t		num);
 
 /*
- * Call xfs_bmap_do_search_extents() to search for the extent
- * record containing block bno. If in multi-level in-core extent
- * allocation mode, find and extract the target extent buffer,
- * otherwise just use the direct extent list.
+ * Search the extent records for the entry containing block bno.
+ * If bno lies in a hole, point to the next entry.  If bno lies
+ * past eof, *eofp will be set, and *prevp will contain the last
+ * entry (null if none).  Else, *lastxp will be set to the index
+ * of the found entry; *gotp will contain the entry.
  */
 xfs_bmbt_rec_t *
 xfs_bmap_search_multi_extents(struct xfs_ifork *, xfs_fileoff_t, int *,