un-static xfs_read_agf

CONFIG_XFS_DEBUG builds still need xfs_read_agf to be
non-static, oops.
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Reviewed-by: Felix Blyakher <felixb@sgi.com>
Signed-off-by: Felix Blyakher <felixb@sgi.com>

fs/xfs/xfs_ag.h

@@ -91,6 +91,9 @@ typedef struct xfs_agf {
 #define	XFS_AGF_BLOCK(mp)	XFS_HDR_BLOCK(mp, XFS_AGF_DADDR(mp))
 #define	XFS_BUF_TO_AGF(bp)	((xfs_agf_t *)XFS_BUF_PTR(bp))
 
+extern int xfs_read_agf(struct xfs_mount *mp, struct xfs_trans *tp,
+			xfs_agnumber_t agno, int flags, struct xfs_buf **bpp);
+
 /*
  * Size of the unlinked inode hash table in the agi.
  */

fs/xfs/xfs_alloc.c

@@ -2248,7 +2248,7 @@ xfs_alloc_put_freelist(
 /*
  * Read in the allocation group header (free/alloc section).
  */
-STATIC int				/* error */
+int					/* error */
 xfs_read_agf(
 	struct xfs_mount	*mp,	/* mount point structure */
 	struct xfs_trans	*tp,	/* transaction pointer */