xfs: remove XBF_STALE flag wrapper macros

They only set/clear/check a flag, no need for obfuscating this
with a macro.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>


diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index a118962..98b7ee9 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -302,6 +302,7 @@
 
 /* Buffer Utility Routines */
 extern void *xfs_buf_offset(struct xfs_buf *, size_t);
+extern void xfs_buf_stale(struct xfs_buf *bp);
 
 /* Delayed Write Buffer Routines */
 extern bool xfs_buf_delwri_queue(struct xfs_buf *, struct list_head *);
@@ -317,9 +318,6 @@
 			    XBF_SYNCIO|XBF_FUA|XBF_FLUSH| \
 			    XBF_WRITE_FAIL))
 
-void xfs_buf_stale(struct xfs_buf *bp);
-#define XFS_BUF_UNSTALE(bp)	((bp)->b_flags &= ~XBF_STALE)
-#define XFS_BUF_ISSTALE(bp)	((bp)->b_flags & XBF_STALE)
 
 /*
  * These macros use the IO block map rather than b_bn. b_bn is now really