xfs: mark xfs_buf_ioend static

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/xfs_buf.c

@@ -1174,7 +1174,7 @@ xfs_buf_wait_unpin(
  *	Buffer Utility Routines
  */
 
-void
+static void
 xfs_buf_ioend(
 	struct xfs_buf	*bp)
 {

fs/xfs/xfs_buf.h

@@ -269,7 +269,6 @@ static inline void xfs_buf_relse(xfs_buf_t *bp)
 
 /* Buffer Read and Write Routines */
 extern int xfs_bwrite(struct xfs_buf *bp);
-extern void xfs_buf_ioend(struct xfs_buf *bp);
 static inline void xfs_buf_ioend_finish(struct xfs_buf *bp)
 {
 	if (bp->b_flags & XBF_ASYNC)