xfs: ratelimit xfs_discard_page messages

Use printk_ratelimit() to limit the amount of messages printed from
xfs_discard_page.  Without that a failing device causes a large
number of errors that doesn't really help debugging the underling
issue.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 58e937b..9d9cebf 100644 (file)
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -539,7 +539,7 @@ xfs_discard_page(
        if (XFS_FORCED_SHUTDOWN(mp))
                goto out_invalidate;
 
-       xfs_alert(mp,
+       xfs_alert_ratelimited(mp,
                "page discard on page "PTR_FMT", inode 0x%llx, offset %llu.",
                        page, ip->i_ino, offset);