diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-03-12 18:01:48 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-03-12 18:15:22 -0400 |
| commit | 9a3ba432330e504ac61ff0043dbdaba7cea0e35a (patch) | |
| tree | 1efadb9ff2c7a662bf8cb6da9a7bd70595810b02 | |
| parent | 0097143c12e279f5d454e0f636a02afff102cc6a (diff) | |
| download | lwn-9a3ba432330e504ac61ff0043dbdaba7cea0e35a.tar.gz lwn-9a3ba432330e504ac61ff0043dbdaba7cea0e35a.zip | |
NFSv4: Rate limit the state manager warning messages
Prevent the state manager from filling up system logs when recovery
fails on the server.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
| -rw-r--r-- | fs/nfs/callback_xdr.c | 4 | ||||
| -rw-r--r-- | fs/nfs/nfs4proc.c | 2 | ||||
| -rw-r--r-- | fs/nfs/nfs4state.c | 4 |
3 files changed, 6 insertions, 4 deletions
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index fd6cfdb917da..95bfc243992c 100644 --- 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(struct xdr_stream *xdr, struct cb_compound if (hdr->minorversion <= 1) { hdr->cb_ident = ntohl(*p++); /* ignored by v4.1 */ } else { - printk(KERN_WARNING "NFS: %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); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 36a7cda03445..5e0961acfef4 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1876,7 +1876,7 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir, struct dentry *dentry, * 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; diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 7c586070d028..cb708b20a775 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -984,7 +984,7 @@ static void nfs_increment_seqid(int status, struct nfs_seqid *seqid) 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); @@ -1840,7 +1840,7 @@ static void nfs4_state_manager(struct nfs_client *clp) } while (atomic_read(&clp->cl_count) > 1); return; out_error: - printk(KERN_WARNING "NFS: 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); |