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authorJeff Layton <jlayton@primarydata.com>2014-10-31 08:28:29 -0400
committerJ. Bruce Fields <bfields@redhat.com>2014-11-06 14:47:33 -0500
commit9af94fc4e470deab3427d07551725f0bf844ebc8 (patch)
tree9153754b378bd383b798f256be80f6ff1ebc736e /fs/lockd
parenteb63192bb8cc0186265aad4f79fa4fd49c22b021 (diff)
downloadop-kernel-dev-9af94fc4e470deab3427d07551725f0bf844ebc8.zip
op-kernel-dev-9af94fc4e470deab3427d07551725f0bf844ebc8.tar.gz
lockd: ratelimit "lockd: cannot monitor" messages
When lockd can't talk to a remote statd, it'll spew a warning message to the ring buffer. If the application is really hammering on locks however, it's possible for that message to spam the logs. Ratelimit it to minimize the potential for harm. Reported-by: Ian Collier <imc@cs.ox.ac.uk> Signed-off-by: Jeff Layton <jlayton@primarydata.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/lockd')
-rw-r--r--fs/lockd/mon.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index 9106f42..1cc6ec5 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -214,7 +214,7 @@ int nsm_monitor(const struct nlm_host *host)
if (unlikely(res.status != 0))
status = -EIO;
if (unlikely(status < 0)) {
- printk(KERN_NOTICE "lockd: cannot monitor %s\n", nsm->sm_name);
+ pr_notice_ratelimited("lockd: cannot monitor %s\n", nsm->sm_name);
return status;
}
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