diff options
| -rw-r--r-- | fs/nfs/client.c | 14 | ||||
| -rw-r--r-- | fs/nfs/nfs4_fs.h | 11 | ||||
| -rw-r--r-- | fs/nfs/nfs4proc.c | 21 | ||||
| -rw-r--r-- | include/linux/nfs_fs_sb.h | 7 |
4 files changed, 39 insertions, 14 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c index d25b525..1df708f 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -150,6 +150,7 @@ static struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_ clp->cl_boot_time = CURRENT_TIME; clp->cl_state = 1 << NFS4CLNT_LEASE_EXPIRED; clp->cl_minorversion = cl_init->minorversion; + clp->cl_mvops = nfs_v4_minor_ops[cl_init->minorversion]; #endif cred = rpc_lookup_machine_cred(); if (!IS_ERR(cred)) @@ -178,7 +179,7 @@ static void nfs4_clear_client_minor_version(struct nfs_client *clp) clp->cl_session = NULL; } - clp->cl_call_sync = _nfs4_call_sync; + clp->cl_mvops = nfs_v4_minor_ops[0]; #endif /* CONFIG_NFS_V4_1 */ } @@ -188,7 +189,7 @@ static void nfs4_clear_client_minor_version(struct nfs_client *clp) static void nfs4_destroy_callback(struct nfs_client *clp) { if (__test_and_clear_bit(NFS_CS_CALLBACK, &clp->cl_res_state)) - nfs_callback_down(clp->cl_minorversion); + nfs_callback_down(clp->cl_mvops->minor_version); } static void nfs4_shutdown_client(struct nfs_client *clp) @@ -1126,7 +1127,7 @@ static int nfs4_init_callback(struct nfs_client *clp) return error; } - error = nfs_callback_up(clp->cl_minorversion, + error = nfs_callback_up(clp->cl_mvops->minor_version, clp->cl_rpcclient->cl_xprt); if (error < 0) { dprintk("%s: failed to start callback. Error = %d\n", @@ -1143,10 +1144,8 @@ static int nfs4_init_callback(struct nfs_client *clp) */ static int nfs4_init_client_minor_version(struct nfs_client *clp) { - clp->cl_call_sync = _nfs4_call_sync; - #if defined(CONFIG_NFS_V4_1) - if (clp->cl_minorversion) { + if (clp->cl_mvops->minor_version) { struct nfs4_session *session = NULL; /* * Create the session and mark it expired. @@ -1158,7 +1157,6 @@ static int nfs4_init_client_minor_version(struct nfs_client *clp) return -ENOMEM; clp->cl_session = session; - clp->cl_call_sync = _nfs4_call_sync_session; } #endif /* CONFIG_NFS_V4_1 */ @@ -1454,7 +1452,7 @@ struct nfs_server *nfs4_create_referral_server(struct nfs_clone_mount *data, data->authflavor, parent_server->client->cl_xprt->prot, parent_server->client->cl_timeout, - parent_client->cl_minorversion); + parent_client->cl_mvops->minor_version); if (error < 0) goto error; diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index bb1e955..5b01705 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -52,6 +52,16 @@ enum nfs4_session_state { NFS4_SESSION_DRAINING, }; +struct nfs4_minor_version_ops { + u32 minor_version; + + int (*call_sync)(struct nfs_server *server, + struct rpc_message *msg, + struct nfs4_sequence_args *args, + struct nfs4_sequence_res *res, + int cache_reply); +}; + /* * struct rpc_sequence ensures that RPC calls are sent in the exact * order that they appear on the list. @@ -260,6 +270,7 @@ static inline int nfs4_init_session(struct nfs_server *server) } #endif /* CONFIG_NFS_V4_1 */ +extern const struct nfs4_minor_version_ops *nfs_v4_minor_ops[]; extern struct nfs4_state_maintenance_ops *nfs4_state_renewal_ops[]; extern const u32 nfs4_fattr_bitmap[2]; diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index fc972c6..a938daf 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -667,7 +667,7 @@ int _nfs4_call_sync(struct nfs_server *server, } #define nfs4_call_sync(server, msg, args, res, cache_reply) \ - (server)->nfs_client->cl_call_sync((server), (msg), &(args)->seq_args, \ + (server)->nfs_client->cl_mvops->call_sync((server), (msg), &(args)->seq_args, \ &(res)->seq_res, (cache_reply)) static void update_changeattr(struct inode *dir, struct nfs4_change_info *cinfo) @@ -5353,6 +5353,18 @@ struct nfs4_state_maintenance_ops nfs41_state_renewal_ops = { }; #endif +static const struct nfs4_minor_version_ops nfs_v4_0_minor_ops = { + .minor_version = 0, + .call_sync = _nfs4_call_sync, +}; + +#if defined(CONFIG_NFS_V4_1) +static const struct nfs4_minor_version_ops nfs_v4_1_minor_ops = { + .minor_version = 1, + .call_sync = _nfs4_call_sync_session, +}; +#endif + /* * Per minor version reboot and network partition recovery ops */ @@ -5378,6 +5390,13 @@ struct nfs4_state_maintenance_ops *nfs4_state_renewal_ops[] = { #endif }; +const struct nfs4_minor_version_ops *nfs_v4_minor_ops[] = { + [0] = &nfs_v4_0_minor_ops, +#if defined(CONFIG_NFS_V4_1) + [1] = &nfs_v4_1_minor_ops, +#endif +}; + static const struct inode_operations nfs4_file_inode_operations = { .permission = nfs_permission, .getattr = nfs_getattr, diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index d6e10a4..c82ee7c 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -15,6 +15,7 @@ struct nlm_host; struct nfs4_sequence_args; struct nfs4_sequence_res; struct nfs_server; +struct nfs4_minor_version_ops; /* * The nfs_client identifies our client state to the server. @@ -70,11 +71,7 @@ struct nfs_client { */ char cl_ipaddr[48]; unsigned char cl_id_uniquifier; - int (* cl_call_sync)(struct nfs_server *server, - struct rpc_message *msg, - struct nfs4_sequence_args *args, - struct nfs4_sequence_res *res, - int cache_reply); + const struct nfs4_minor_version_ops *cl_mvops; #endif /* CONFIG_NFS_V4 */ #ifdef CONFIG_NFS_V4_1 |