xfs: remove unused xfs_inode_ag_iterator function

Not used by anyone, so get rid of it.
Signed-off-by: NDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NBrian Foster <bfoster@redhat.com>

fs/xfs/xfs_icache.c

@@ -1005,17 +1005,6 @@ xfs_inode_ag_iterator_flags(
 	return last_error;
 }
 
-int
-xfs_inode_ag_iterator(
-	struct xfs_mount	*mp,
-	int			(*execute)(struct xfs_inode *ip, int flags,
-					   void *args),
-	int			flags,
-	void			*args)
-{
-	return xfs_inode_ag_iterator_flags(mp, execute, flags, args, 0);
-}
-
 int
 xfs_inode_ag_iterator_tag(
 	struct xfs_mount	*mp,

fs/xfs/xfs_icache.h

@@ -71,9 +71,6 @@ int xfs_inode_free_quota_cowblocks(struct xfs_inode *ip);
 void xfs_cowblocks_worker(struct work_struct *);
 void xfs_queue_cowblocks(struct xfs_mount *);
 
-int xfs_inode_ag_iterator(struct xfs_mount *mp,
-	int (*execute)(struct xfs_inode *ip, int flags, void *args),
-	int flags, void *args);
 int xfs_inode_ag_iterator_flags(struct xfs_mount *mp,
 	int (*execute)(struct xfs_inode *ip, int flags, void *args),
 	int flags, void *args, int iter_flags);