Commit 9af94fc4 authored Oct 31, 2014 by Jeff Layton Committed by J. Bruce Fields Nov 06, 2014

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>

parent eb63192b

fs/lockd/mon.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}