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NFS: Support per-mountpoint timeout parameters.

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2007-12-20 16:03:59 -05:00
parent 7a3e3e18e4
commit 331702337f
3 changed files with 49 additions and 39 deletions
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82
fs/nfs/client.c
View File

@ -415,18 +415,16 @@ static void nfs_init_timeout_values(struct rpc_timeout *to, int proto,
* Create an RPC client handle
*/
static int nfs_create_rpc_client(struct nfs_client *clp, int proto,
unsigned int timeo,
unsigned int retrans,
rpc_authflavor_t flavor,
int flags)
const struct rpc_timeout *timeparms,
rpc_authflavor_t flavor,
int flags)
{
struct rpc_timeout timeparms;
struct rpc_clnt *clnt = NULL;
struct rpc_create_args args = {
.protocol = proto,
.address = (struct sockaddr *)&clp->cl_addr,
.addrsize = clp->cl_addrlen,
.timeout = &timeparms,
.timeout = timeparms,
.servername = clp->cl_hostname,
.program = &nfs_program,
.version = clp->rpc_ops->version,
@ -437,10 +435,6 @@ static int nfs_create_rpc_client(struct nfs_client *clp, int proto,
if (!IS_ERR(clp->cl_rpcclient))
return 0;
nfs_init_timeout_values(&timeparms, proto, timeo, retrans);
clp->retrans_timeo = timeparms.to_initval;
clp->retrans_count = timeparms.to_retries;
clnt = rpc_create(&args);
if (IS_ERR(clnt)) {
dprintk("%s: cannot create RPC client. Error = %ld\n",
@ -515,7 +509,9 @@ static inline void nfs_init_server_aclclient(struct nfs_server *server)
/*
* Create a general RPC client
*/
static int nfs_init_server_rpcclient(struct nfs_server *server, rpc_authflavor_t pseudoflavour)
static int nfs_init_server_rpcclient(struct nfs_server *server,
const struct rpc_timeout *timeo,
rpc_authflavor_t pseudoflavour)
{
struct nfs_client *clp = server->nfs_client;
@ -525,6 +521,11 @@ static int nfs_init_server_rpcclient(struct nfs_server *server, rpc_authflavor_t
return PTR_ERR(server->client);
}
memcpy(&server->client->cl_timeout_default,
timeo,
sizeof(server->client->cl_timeout_default));
server->client->cl_timeout = &server->client->cl_timeout_default;
if (pseudoflavour != clp->cl_rpcclient->cl_auth->au_flavor) {
struct rpc_auth *auth;
@ -549,6 +550,7 @@ static int nfs_init_server_rpcclient(struct nfs_server *server, rpc_authflavor_t
* Initialise an NFS2 or NFS3 client
*/
static int nfs_init_client(struct nfs_client *clp,
const struct rpc_timeout *timeparms,
const struct nfs_parsed_mount_data *data)
{
int error;
@ -564,7 +566,7 @@ static int nfs_init_client(struct nfs_client *clp,
* - RFC 2623, sec 2.3.2
*/
error = nfs_create_rpc_client(clp, data->nfs_server.protocol,
data->timeo, data->retrans, RPC_AUTH_UNIX, 0);
timeparms, RPC_AUTH_UNIX, 0);
if (error < 0)
goto error;
nfs_mark_client_ready(clp, NFS_CS_READY);
@ -588,6 +590,7 @@ static int nfs_init_server(struct nfs_server *server,
.addrlen = data->nfs_server.addrlen,
.rpc_ops = &nfs_v2_clientops,
};
struct rpc_timeout timeparms;
struct nfs_client *clp;
int error;
@ -605,7 +608,9 @@ static int nfs_init_server(struct nfs_server *server,
return PTR_ERR(clp);
}
error = nfs_init_client(clp, data);
nfs_init_timeout_values(&timeparms, data->nfs_server.protocol,
data->timeo, data->retrans);
error = nfs_init_client(clp, &timeparms, data);
if (error < 0)
goto error;
@ -629,7 +634,7 @@ static int nfs_init_server(struct nfs_server *server,
if (error < 0)
goto error;
error = nfs_init_server_rpcclient(server, data->auth_flavors[0]);
error = nfs_init_server_rpcclient(server, &timeparms, data->auth_flavors[0]);
if (error < 0)
goto error;
@ -889,7 +894,8 @@ error:
* Initialise an NFS4 client record
*/
static int nfs4_init_client(struct nfs_client *clp,
int proto, int timeo, int retrans,
int proto,
const struct rpc_timeout *timeparms,
const char *ip_addr,
rpc_authflavor_t authflavour)
{
@ -904,7 +910,7 @@ static int nfs4_init_client(struct nfs_client *clp,
/* Check NFS protocol revision and initialize RPC op vector */
clp->rpc_ops = &nfs_v4_clientops;
error = nfs_create_rpc_client(clp, proto, timeo, retrans, authflavour,
error = nfs_create_rpc_client(clp, proto, timeparms, authflavour,
RPC_CLNT_CREATE_DISCRTRY);
if (error < 0)
goto error;
@ -936,7 +942,7 @@ static int nfs4_set_client(struct nfs_server *server,
const size_t addrlen,
const char *ip_addr,
rpc_authflavor_t authflavour,
int proto, int timeo, int retrans)
int proto, const struct rpc_timeout *timeparms)
{
struct nfs_client_initdata cl_init = {
.hostname = hostname,
@ -955,7 +961,7 @@ static int nfs4_set_client(struct nfs_server *server,
error = PTR_ERR(clp);
goto error;
}
error = nfs4_init_client(clp, proto, timeo, retrans, ip_addr, authflavour);
error = nfs4_init_client(clp, proto, timeparms, ip_addr, authflavour);
if (error < 0)
goto error_put;
@ -976,10 +982,26 @@ error:
static int nfs4_init_server(struct nfs_server *server,
const struct nfs_parsed_mount_data *data)
{
struct rpc_timeout timeparms;
int error;
dprintk("--> nfs4_init_server()\n");
nfs_init_timeout_values(&timeparms, data->nfs_server.protocol,
data->timeo, data->retrans);
/* Get a client record */
error = nfs4_set_client(server,
data->nfs_server.hostname,
(const struct sockaddr *)&data->nfs_server.address,
data->nfs_server.addrlen,
data->client_address,
data->auth_flavors[0],
data->nfs_server.protocol,
&timeparms);
if (error < 0)
goto error;
/* Initialise the client representation from the mount data */
server->flags = data->flags & NFS_MOUNT_FLAGMASK;
server->caps |= NFS_CAP_ATOMIC_OPEN;
@ -994,8 +1016,9 @@ static int nfs4_init_server(struct nfs_server *server,
server->acdirmin = data->acdirmin * HZ;
server->acdirmax = data->acdirmax * HZ;
error = nfs_init_server_rpcclient(server, data->auth_flavors[0]);
error = nfs_init_server_rpcclient(server, &timeparms, data->auth_flavors[0]);
error:
/* Done */
dprintk("<-- nfs4_init_server() = %d\n", error);
return error;
@ -1018,18 +1041,6 @@ struct nfs_server *nfs4_create_server(const struct nfs_parsed_mount_data *data,
if (!server)
return ERR_PTR(-ENOMEM);
/* Get a client record */
error = nfs4_set_client(server,
data->nfs_server.hostname,
(struct sockaddr *)&data->nfs_server.address,
data->nfs_server.addrlen,
data->client_address,
data->auth_flavors[0],
data->nfs_server.protocol,
data->timeo, data->retrans);
if (error < 0)
goto error;
/* set up the general RPC client */
error = nfs4_init_server(server, data);
if (error < 0)
@ -1103,8 +1114,7 @@ struct nfs_server *nfs4_create_referral_server(struct nfs_clone_mount *data,
parent_client->cl_ipaddr,
data->authflavor,
parent_server->client->cl_xprt->prot,
parent_client->retrans_timeo,
parent_client->retrans_count);
parent_server->client->cl_timeout);
if (error < 0)
goto error;
@ -1112,7 +1122,7 @@ struct nfs_server *nfs4_create_referral_server(struct nfs_clone_mount *data,
nfs_server_copy_userdata(server, parent_server);
server->caps |= NFS_CAP_ATOMIC_OPEN;
error = nfs_init_server_rpcclient(server, data->authflavor);
error = nfs_init_server_rpcclient(server, parent_server->client->cl_timeout, data->authflavor);
if (error < 0)
goto error;
@ -1181,7 +1191,9 @@ struct nfs_server *nfs_clone_server(struct nfs_server *source,
server->fsid = fattr->fsid;
error = nfs_init_server_rpcclient(server, source->client->cl_auth->au_flavor);
error = nfs_init_server_rpcclient(server,
source->client->cl_timeout,
source->client->cl_auth->au_flavor);
if (error < 0)
goto out_free_server;
if (!IS_ERR(source->client_acl))

4
fs/nfs/super.c
View File

@ -479,8 +479,8 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
}
seq_printf(m, ",proto=%s",
rpc_peeraddr2str(nfss->client, RPC_DISPLAY_PROTO));
seq_printf(m, ",timeo=%lu", 10U * clp->retrans_timeo / HZ);
seq_printf(m, ",retrans=%u", clp->retrans_count);
seq_printf(m, ",timeo=%lu", 10U * nfss->client->cl_timeout->to_initval / HZ);
seq_printf(m, ",retrans=%u", nfss->client->cl_timeout->to_retries);
seq_printf(m, ",sec=%s", nfs_pseudoflavour_to_name(nfss->client->cl_auth->au_flavor));
}

2
include/linux/nfs_fs_sb.h
View File

@ -29,8 +29,6 @@ struct nfs_client {
struct rpc_clnt * cl_rpcclient;
const struct nfs_rpc_ops *rpc_ops; /* NFS protocol vector */
unsigned long retrans_timeo; /* retransmit timeout */
unsigned int retrans_count; /* number of retransmit tries */
#ifdef CONFIG_NFS_V4
u64 cl_clientid; /* constant */