[XFS] Fix up sparse warnings.

These are mostly locking annotations, marking things static, casts where
needed and declaring stuff in header files.

SGI-PV: 971186
SGI-Modid: xfs-linux-melb:xfs-kern:30002a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 35e098d..3b804b9 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -293,7 +293,7 @@
  * Note that the algorithm can not be perfect because the disk will not
  * necessarily be perfect.
  */
-int
+STATIC int
 xlog_find_cycle_start(
 	xlog_t		*log,
 	xfs_buf_t	*bp,
@@ -986,7 +986,7 @@
  *	-1 => use *blk_no as the first block of the log
  *	>0 => error has occurred
  */
-int
+STATIC int
 xlog_find_zeroed(
 	xlog_t		*log,
 	xfs_daddr_t	*blk_no)