From 331702337f2b2e7cef40366ee207a25604df4671 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Thu, 20 Dec 2007 16:03:59 -0500 Subject: [PATCH] NFS: Support per-mountpoint timeout parameters. Signed-off-by: Trond Myklebust --- fs/nfs/client.c | 82 ++++++++++++++++++++++----------------- fs/nfs/super.c | 4 +- include/linux/nfs_fs_sb.h | 2 - 3 files changed, 49 insertions(+), 39 deletions(-) diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 59a6dccab548..03d9bed7849a 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -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)) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 3cbe32f3e88b..0d1bc61d0b68 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -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)); } diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 912cfe84ea86..d15c9487b8f1 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -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 */ -- 2.30.2