From: William Dauchy <wdauchy@gmail.com>
Date: Wed, 14 Mar 2012 11:32:04 +0000 (+0100)
Subject: NFSv4: Rate limit the state manager for lock reclaim warning messages
X-Git-Tag: v3.2.24~98
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3116aea632aa83185953d9ca52d216dd524cb845;p=karo-tx-linux.git

NFSv4: Rate limit the state manager for lock reclaim warning messages

commit 96dcadc2fdd111dca90d559f189a30c65394451a upstream.

Adding rate limit on `Lock reclaim failed` messages since it could fill
up system logs
Signed-off-by: William Dauchy <wdauchy@gmail.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
[bwh: Backported to 3.2: add the 'NFS:' prefix at the same time]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 66020acf2ecd..07354b747346 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1186,8 +1186,9 @@ restart:
 				spin_lock(&state->state_lock);
 				list_for_each_entry(lock, &state->lock_states, ls_locks) {
 					if (!(lock->ls_flags & NFS_LOCK_INITIALIZED))
-						printk("%s: Lock reclaim failed!\n",
-							__func__);
+						pr_warn_ratelimited("NFS: "
+							"%s: Lock reclaim "
+							"failed!\n", __func__);
 				}
 				spin_unlock(&state->state_lock);
 				nfs4_put_open_state(state);