[ 011/108] NFSv4: Rate limit the state manager for lock reclaim warning messages

Ben Hutchings
2012-07-23T02:07:52Z

From: William Dauchy <wdauchy@gmail.com>

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>
---
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1261,8 +1261,9 @@ 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);