xfs: Remove the second parameter to xfs_sb_count()

Remove the second parameter to xfs_sb_count() since all callers of
the function set them.

Also, fix the header comment regarding it being called periodically.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 3d68bb2..bb24dac 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -371,7 +371,7 @@
 	int64_t		msb_delta;	/* Change to make to specified field */
 } xfs_mod_sb_t;
 
-extern int	xfs_log_sbcount(xfs_mount_t *, uint);
+extern int	xfs_log_sbcount(xfs_mount_t *);
 extern __uint64_t xfs_default_resblks(xfs_mount_t *mp);
 extern int	xfs_mountfs(xfs_mount_t *mp);