3.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Trond Myklebust <trond.mykleb...@netapp.com>
commit 9a3ba432330e504ac61ff0043dbdaba7cea0e35a upstream.
Prevent the state manager from filling up system logs when recovery
fails on the server.
Signed-off-by: Trond Myklebust <trond.mykleb...@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
fs/nfs/callback_xdr.c | 4 +++-
fs/nfs/nfs4proc.c | 2 +-
fs/nfs/nfs4state.c | 4 ++--
3 files changed, 6 insertions(+), 4 deletions(-)
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -9,6 +9,8 @@
#include <linux/sunrpc/svc.h>
#include <linux/nfs4.h>
#include <linux/nfs_fs.h>
+#include <linux/ratelimit.h>
+#include <linux/printk.h>
#include <linux/slab.h>
#include <linux/sunrpc/bc_xprt.h>
#include "nfs4_fs.h"
@@ -167,7 +169,7 @@ static __be32 decode_compound_hdr_arg(st
if (hdr->minorversion <= 1) {
hdr->cb_ident = ntohl(*p++); /* ignored by v4.1 */
} else {
- printk(KERN_WARNING "%s: NFSv4 server callback with "
+ pr_warn_ratelimited("NFS: %s: NFSv4 server callback with "
"illegal minor version %u!\n",
__func__, hdr->minorversion);
return htonl(NFS4ERR_MINOR_VERS_MISMATCH);
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1838,7 +1838,7 @@ static struct nfs4_state *nfs4_do_open(s
* the user though...
*/
if (status == -NFS4ERR_BAD_SEQID) {
- printk(KERN_WARNING "NFS: v4 server %s "
+ pr_warn_ratelimited("NFS: v4 server %s "
" returned a bad sequence-id error!\n",
NFS_SERVER(dir)->nfs_client->cl_hostname);
exception.retry = 1;
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -935,7 +935,7 @@ static void nfs_increment_seqid(int stat
case -NFS4ERR_BAD_SEQID:
if (seqid->sequence->flags & NFS_SEQID_CONFIRMED)
return;
- printk(KERN_WARNING "NFS: v4 server returned a bad"
+ pr_warn_ratelimited("NFS: v4 server returned a bad"
" sequence-id error on an"
" unconfirmed sequence %p!\n",
seqid->sequence);
@@ -1764,7 +1764,7 @@ static void nfs4_state_manager(struct nf
} while (atomic_read(&clp->cl_count) > 1);
return;
out_error:
- printk(KERN_WARNING "Error: state manager failed on NFSv4 server %s"
+ pr_warn_ratelimited("NFS: state manager failed on NFSv4 server %s"
" with error %d\n", clp->cl_hostname, -status);
nfs4_end_drain_session(clp);
nfs4_clear_state_manager_bit(clp);
--
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