xfs: make several more functions static

Just minor housekeeping, a lot more functions can be trivially made
static; others could if we reordered things a bit...

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Alex Elder <aelder@sgi.com>
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 69ac2e5..48a7ab1 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -68,7 +68,7 @@
 	((bbs + (log)->l_sectbb_mask + 1) & ~(log)->l_sectbb_mask) : (bbs) )
 #define XLOG_SECTOR_ROUNDDOWN_BLKNO(log, bno)	((bno) & ~(log)->l_sectbb_mask)
 
-xfs_buf_t *
+STATIC xfs_buf_t *
 xlog_get_bp(
 	xlog_t		*log,
 	int		nbblks)
@@ -88,7 +88,7 @@
 	return xfs_buf_get_noaddr(BBTOB(nbblks), log->l_mp->m_logdev_targp);
 }
 
-void
+STATIC void
 xlog_put_bp(
 	xfs_buf_t	*bp)
 {
@@ -805,7 +805,7 @@
  * We could speed up search by using current head_blk buffer, but it is not
  * available.
  */
-int
+STATIC int
 xlog_find_tail(
 	xlog_t			*log,
 	xfs_daddr_t		*head_blk,