diff options
| author | NeilBrown <neilb@suse.de> | 2007-01-29 13:19:52 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-01-30 08:26:45 -0800 |
| commit | 34e9a63b4f3e169b583f6ba2e26356ecbf932fba (patch) | |
| tree | 445562aa7159ef7ec3d29f8e1cc18d578d9bfcae /net/sunrpc | |
| parent | d019bcf0eb9a55c51f1c57659f923d356b4675e1 (diff) | |
| download | linux-34e9a63b4f3e169b583f6ba2e26356ecbf932fba.tar.bz2 | |
[PATCH] knfsd: ratelimit some nfsd messages that are triggered by external events
Also remove {NFSD,RPC}_PARANOIA as having the defines doesn't really add
anything.
The printks covered by RPC_PARANOIA were triggered by badly formatted
packets and so should be ratelimited.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/svc.c | 33 | ||||
| -rw-r--r-- | net/sunrpc/svcsock.c | 12 |
2 files changed, 24 insertions, 21 deletions
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index bf21a2047010..4c1611211119 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -26,7 +26,6 @@ #include <linux/sunrpc/clnt.h> #define RPCDBG_FACILITY RPCDBG_SVCDSP -#define RPC_PARANOIA 1 /* * Mode for mapping cpus to pools. @@ -872,15 +871,15 @@ svc_process(struct svc_rqst *rqstp) return 0; err_short_len: -#ifdef RPC_PARANOIA - printk("svc: short len %Zd, dropping request\n", argv->iov_len); -#endif + if (net_ratelimit()) + printk("svc: short len %Zd, dropping request\n", argv->iov_len); + goto dropit; /* drop request */ err_bad_dir: -#ifdef RPC_PARANOIA - printk("svc: bad direction %d, dropping request\n", dir); -#endif + if (net_ratelimit()) + printk("svc: bad direction %d, dropping request\n", dir); + serv->sv_stats->rpcbadfmt++; goto dropit; /* drop request */ @@ -909,10 +908,10 @@ err_bad_prog: goto sendit; err_bad_vers: -#ifdef RPC_PARANOIA - printk("svc: unknown version (%d for prog %d, %s)\n", - vers, prog, progp->pg_name); -#endif + if (net_ratelimit()) + printk("svc: unknown version (%d for prog %d, %s)\n", + vers, prog, progp->pg_name); + serv->sv_stats->rpcbadfmt++; svc_putnl(resv, RPC_PROG_MISMATCH); svc_putnl(resv, progp->pg_lovers); @@ -920,17 +919,17 @@ err_bad_vers: goto sendit; err_bad_proc: -#ifdef RPC_PARANOIA - printk("svc: unknown procedure (%d)\n", proc); -#endif + if (net_ratelimit()) + printk("svc: unknown procedure (%d)\n", proc); + serv->sv_stats->rpcbadfmt++; svc_putnl(resv, RPC_PROC_UNAVAIL); goto sendit; err_garbage: -#ifdef RPC_PARANOIA - printk("svc: failed to decode args\n"); -#endif + if (net_ratelimit()) + printk("svc: failed to decode args\n"); + rpc_stat = rpc_garbage_args; err_bad: serv->sv_stats->rpcbadfmt++; diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 45120f268d03..ff1f8bf680aa 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -1062,15 +1062,19 @@ svc_tcp_recvfrom(struct svc_rqst *rqstp) * bit set in the fragment length header. * But apparently no known nfs clients send fragmented * records. */ - printk(KERN_NOTICE "RPC: bad TCP reclen 0x%08lx (non-terminal)\n", - (unsigned long) svsk->sk_reclen); + if (net_ratelimit()) + printk(KERN_NOTICE "RPC: bad TCP reclen 0x%08lx" + " (non-terminal)\n", + (unsigned long) svsk->sk_reclen); goto err_delete; } svsk->sk_reclen &= 0x7fffffff; dprintk("svc: TCP record, %d bytes\n", svsk->sk_reclen); if (svsk->sk_reclen > serv->sv_max_mesg) { - printk(KERN_NOTICE "RPC: bad TCP reclen 0x%08lx (large)\n", - (unsigned long) svsk->sk_reclen); + if (net_ratelimit()) + printk(KERN_NOTICE "RPC: bad TCP reclen 0x%08lx" + " (large)\n", + (unsigned long) svsk->sk_reclen); goto err_delete; } } |