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rpc: bring back cl_chatty 

The cl_chatty flag alows us to control whether a given rpc client leaves

	"server X not responding, timed out"

messages in the syslog.  Such messages make sense for ordinary nfs
clients (where an unresponsive server means applications on the
mountpoint are probably hanging), but not for the callback client (which
can fail more commonly, with the only result just of disabling some
optimizations).

Previously cl_chatty was removed, do to lack of users; reinstate it, and
use it for the nfsd's callback client.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Olga Kornievskaia 2008-06-09 16:51:31 -04:00 committed by Trond Myklebust
parent 48b605f83c
commit b6b6152c46
3 changed files with 15 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/nfsd/nfs4callback.c
View File

@ -381,7 +381,7 @@ static int do_probe_callback(void *data)
.program = &cb_program,
.version = nfs_cb_version[1]->number,
.authflavor = RPC_AUTH_UNIX, /* XXX: need AUTH_GSS... */
.flags = (RPC_CLNT_CREATE_NOPING),
.flags = (RPC_CLNT_CREATE_NOPING | RPC_CLNT_CREATE_QUIET),
};
struct rpc_message msg = {
.rpc_proc = &nfs4_cb_procedures[NFSPROC4_CLNT_CB_NULL],

4
include/linux/sunrpc/clnt.h
View File

@ -42,7 +42,8 @@ struct rpc_clnt {
unsigned int cl_softrtry : 1,/* soft timeouts */
cl_discrtry : 1,/* disconnect before retry */
cl_autobind : 1;/* use getport() */
cl_autobind : 1,/* use getport() */
cl_chatty : 1;/* be verbose */
struct rpc_rtt * cl_rtt; /* RTO estimator data */
const struct rpc_timeout *cl_timeout; /* Timeout strategy */
@ -114,6 +115,7 @@ struct rpc_create_args {
#define RPC_CLNT_CREATE_NONPRIVPORT (1UL << 3)
#define RPC_CLNT_CREATE_NOPING (1UL << 4)
#define RPC_CLNT_CREATE_DISCRTRY (1UL << 5)
#define RPC_CLNT_CREATE_QUIET (1UL << 6)
struct rpc_clnt *rpc_create(struct rpc_create_args *args);
struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *,

6
net/sunrpc/clnt.c
View File

@ -324,6 +324,8 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args)
clnt->cl_autobind = 1;
if (args->flags & RPC_CLNT_CREATE_DISCRTRY)
clnt->cl_discrtry = 1;
if (!(args->flags & RPC_CLNT_CREATE_QUIET))
clnt->cl_chatty = 1;
return clnt;
}
@ -1149,6 +1151,7 @@ call_status(struct rpc_task *task)
rpc_exit(task, status);
break;
default:
if (clnt->cl_chatty)
printk("%s: RPC call returned error %d\n",
clnt->cl_protname, -status);
rpc_exit(task, status);
@ -1174,6 +1177,7 @@ call_timeout(struct rpc_task *task)
task->tk_timeouts++;
if (RPC_IS_SOFT(task)) {
if (clnt->cl_chatty)
printk(KERN_NOTICE "%s: server %s not responding, timed out\n",
clnt->cl_protname, clnt->cl_server);
rpc_exit(task, -EIO);
@ -1182,6 +1186,7 @@ call_timeout(struct rpc_task *task)
if (!(task->tk_flags & RPC_CALL_MAJORSEEN)) {
task->tk_flags |= RPC_CALL_MAJORSEEN;
if (clnt->cl_chatty)
printk(KERN_NOTICE "%s: server %s not responding, still trying\n",
clnt->cl_protname, clnt->cl_server);
}
@ -1213,6 +1218,7 @@ call_decode(struct rpc_task *task)
task->tk_pid, task->tk_status);
if (task->tk_flags & RPC_CALL_MAJORSEEN) {
if (clnt->cl_chatty)
printk(KERN_NOTICE "%s: server %s OK\n",
clnt->cl_protname, clnt->cl_server);
task->tk_flags &= ~RPC_CALL_MAJORSEEN;