ceph: downgrade warning from mdsmap decode to debug

commit ccd1acdf1c49b835504b235461fd24e2ed826764 upstream.

While the MDS cluster is unstable and changing state the client may get
mdsmap updates that will trigger warnings:

  [144692.478400] ceph: mdsmap_decode got incorrect state(up:standby-replay)
  [144697.489552] ceph: mdsmap_decode got incorrect state(up:standby-replay)
  [144697.489580] ceph: mdsmap_decode got incorrect state(up:standby-replay)

This patch downgrades these warnings to debug, as they may flood the logs
if the cluster is unstable for a while.

Signed-off-by: Luis Henriques <lhenriques@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/ceph/mdsmap.c b/fs/ceph/mdsmap.c
index e4aba6c..1096d1d 100644 (file)
--- a/fs/ceph/mdsmap.c
+++ b/fs/ceph/mdsmap.c
@@ -243,8 +243,8 @@ struct ceph_mdsmap *ceph_mdsmap_decode(void **p, void *end)
                }
 
                if (state <= 0) {
-                       pr_warn("mdsmap_decode got incorrect state(%s)\n",
-                               ceph_mds_state_name(state));
+                       dout("mdsmap_decode got incorrect state(%s)\n",
+                            ceph_mds_state_name(state));
                        continue;
                }