Lines Matching refs:fc
312 static int nfs_auth_info_add(struct fs_context *fc, in nfs_auth_info_add() argument
326 return nfs_invalf(fc, "NFS: too many sec= flavors"); in nfs_auth_info_add()
335 static int nfs_parse_security_flavors(struct fs_context *fc, in nfs_parse_security_flavors() argument
338 struct nfs_fs_context *ctx = nfs_fc2context(fc); in nfs_parse_security_flavors()
383 return nfs_invalf(fc, "NFS: sec=%s option not recognized", p); in nfs_parse_security_flavors()
386 ret = nfs_auth_info_add(fc, &ctx->auth_info, pseudoflavor); in nfs_parse_security_flavors()
394 static int nfs_parse_version_string(struct fs_context *fc, in nfs_parse_version_string() argument
397 struct nfs_fs_context *ctx = nfs_fc2context(fc); in nfs_parse_version_string()
428 return nfs_invalf(fc, "NFS: Unsupported NFS version"); in nfs_parse_version_string()
436 static int nfs_fs_context_parse_param(struct fs_context *fc, in nfs_fs_context_parse_param() argument
440 struct nfs_fs_context *ctx = nfs_fc2context(fc); in nfs_fs_context_parse_param()
447 opt = fs_parse(fc, nfs_fs_parameters, param, &result); in nfs_fs_context_parse_param()
453 if (fc->source) in nfs_fs_context_parse_param()
454 return nfs_invalf(fc, "NFS: Multiple sources not supported"); in nfs_fs_context_parse_param()
455 fc->source = param->string; in nfs_fs_context_parse_param()
635 ret = nfs_parse_version_string(fc, param->key + 1); in nfs_fs_context_parse_param()
640 ret = nfs_parse_version_string(fc, param->string); in nfs_fs_context_parse_param()
645 ret = nfs_parse_security_flavors(fc, param); in nfs_fs_context_parse_param()
677 return nfs_invalf(fc, "NFS: Unrecognized transport protocol"); in nfs_fs_context_parse_param()
700 return nfs_invalf(fc, "NFS: Unrecognized transport protocol"); in nfs_fs_context_parse_param()
706 len = rpc_pton(fc->net_ns, param->string, param->size, in nfs_fs_context_parse_param()
724 len = rpc_pton(fc->net_ns, param->string, param->size, in nfs_fs_context_parse_param()
785 return nfs_invalf(fc, "NFS: Bad mount option value specified"); in nfs_fs_context_parse_param()
787 return nfs_invalf(fc, "NFS: Bad IP address specified"); in nfs_fs_context_parse_param()
789 return nfs_invalf(fc, "NFS: Value for '%s' out of range", param->key); in nfs_fs_context_parse_param()
801 static int nfs_parse_source(struct fs_context *fc, in nfs_parse_source() argument
804 struct nfs_fs_context *ctx = nfs_fc2context(fc); in nfs_parse_source()
805 const char *dev_name = fc->source; in nfs_parse_source()
856 return nfs_invalf(fc, "NFS: device name not in host:path format"); in nfs_parse_source()
858 nfs_errorf(fc, "NFS: not enough memory to parse device name"); in nfs_parse_source()
861 nfs_errorf(fc, "NFS: server hostname too long"); in nfs_parse_source()
864 nfs_errorf(fc, "NFS: export pathname too long"); in nfs_parse_source()
868 static inline bool is_remount_fc(struct fs_context *fc) in is_remount_fc() argument
870 return fc->root != NULL; in is_remount_fc()
889 static int nfs23_parse_monolithic(struct fs_context *fc, in nfs23_parse_monolithic() argument
892 struct nfs_fs_context *ctx = nfs_fc2context(fc); in nfs23_parse_monolithic()
1007 ret = vfs_parse_fs_string(fc, "context", in nfs23_parse_monolithic()
1025 return generic_parse_monolithic(fc, data); in nfs23_parse_monolithic()
1028 if (is_remount_fc(fc)) { in nfs23_parse_monolithic()
1032 return nfs_invalf(fc, "NFS: mount program didn't pass any mount data"); in nfs23_parse_monolithic()
1035 return nfs_invalf(fc, "NFS: nfs_mount_data version does not support v3"); in nfs23_parse_monolithic()
1038 return nfs_invalf(fc, "NFS: nfs_mount_data version supports only AUTH_SYS"); in nfs23_parse_monolithic()
1045 return nfs_invalf(fc, "NFS: mount program didn't pass remote address"); in nfs23_parse_monolithic()
1048 return nfs_invalf(fc, "NFS: invalid root filehandle"); in nfs23_parse_monolithic()
1051 return nfs_invalf(fc, "NFS: invalid binary mount data"); in nfs23_parse_monolithic()
1117 static int nfs4_parse_monolithic(struct fs_context *fc, in nfs4_parse_monolithic() argument
1120 struct nfs_fs_context *ctx = nfs_fc2context(fc); in nfs4_parse_monolithic()
1125 if (is_remount_fc(fc)) in nfs4_parse_monolithic()
1127 return nfs_invalf(fc, in nfs4_parse_monolithic()
1134 return generic_parse_monolithic(fc, data); in nfs4_parse_monolithic()
1202 return nfs_invalf(fc, "NFS4: Invalid number of RPC auth flavours %d", in nfs4_parse_monolithic()
1206 return nfs_invalf(fc, "NFS4: mount program didn't pass remote address"); in nfs4_parse_monolithic()
1209 return nfs_invalf(fc, "NFS: Unsupported transport protocol udp"); in nfs4_parse_monolithic()
1216 static int nfs_fs_context_parse_monolithic(struct fs_context *fc, in nfs_fs_context_parse_monolithic() argument
1219 if (fc->fs_type == &nfs_fs_type) in nfs_fs_context_parse_monolithic()
1220 return nfs23_parse_monolithic(fc, data); in nfs_fs_context_parse_monolithic()
1223 if (fc->fs_type == &nfs4_fs_type) in nfs_fs_context_parse_monolithic()
1224 return nfs4_parse_monolithic(fc, data); in nfs_fs_context_parse_monolithic()
1227 return nfs_invalf(fc, "NFS: Unsupported monolithic data version"); in nfs_fs_context_parse_monolithic()
1233 static int nfs_fs_context_validate(struct fs_context *fc) in nfs_fs_context_validate() argument
1235 struct nfs_fs_context *ctx = nfs_fc2context(fc); in nfs_fs_context_validate()
1243 if (!fc->source) in nfs_fs_context_validate()
1303 ret = nfs_parse_source(fc, max_namelen, max_pathlen); in nfs_fs_context_validate()
1318 if (fc->fs_type != ctx->nfs_mod->nfs_fs) { in nfs_fs_context_validate()
1319 module_put(fc->fs_type->owner); in nfs_fs_context_validate()
1321 fc->fs_type = ctx->nfs_mod->nfs_fs; in nfs_fs_context_validate()
1326 return nfs_invalf(fc, "NFS: Device name not specified"); in nfs_fs_context_validate()
1328 nfs_errorf(fc, "NFS: NFSv4 is not compiled into kernel"); in nfs_fs_context_validate()
1331 return nfs_invalf(fc, "NFS: Unsupported transport protocol udp"); in nfs_fs_context_validate()
1333 return nfs_invalf(fc, "NFS: mount program didn't pass remote address"); in nfs_fs_context_validate()
1335 return nfs_invalf(fc, "NFS: Mount server address does not match mountproto= option"); in nfs_fs_context_validate()
1337 return nfs_invalf(fc, "NFS: Server address does not match proto= option"); in nfs_fs_context_validate()
1339 return nfs_invalf(fc, "NFS: Mount option vers=%u does not support minorversion=%u", in nfs_fs_context_validate()
1342 return nfs_invalf(fc, "NFS: 'Migration' not supported for this NFS version"); in nfs_fs_context_validate()
1344 nfs_errorf(fc, "NFS: Version unavailable"); in nfs_fs_context_validate()
1351 static int nfs_get_tree(struct fs_context *fc) in nfs_get_tree() argument
1353 struct nfs_fs_context *ctx = nfs_fc2context(fc); in nfs_get_tree()
1354 int err = nfs_fs_context_validate(fc); in nfs_get_tree()
1359 return ctx->nfs_mod->rpc_ops->try_get_tree(fc); in nfs_get_tree()
1361 return nfs_get_tree_common(fc); in nfs_get_tree()
1370 static int nfs_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc) in nfs_fs_context_dup() argument
1392 fc->fs_private = ctx; in nfs_fs_context_dup()
1396 static void nfs_fs_context_free(struct fs_context *fc) in nfs_fs_context_free() argument
1398 struct nfs_fs_context *ctx = nfs_fc2context(fc); in nfs_fs_context_free()
1430 static int nfs_init_fs_context(struct fs_context *fc) in nfs_init_fs_context() argument
1448 if (fc->root) { in nfs_init_fs_context()
1450 struct nfs_server *nfss = fc->root->d_sb->s_fs_info; in nfs_init_fs_context()
1471 if (fc->net_ns != net) { in nfs_init_fs_context()
1472 put_net(fc->net_ns); in nfs_init_fs_context()
1473 fc->net_ns = get_net(net); in nfs_init_fs_context()
1492 fc->fs_private = ctx; in nfs_init_fs_context()
1493 fc->ops = &nfs_fs_context_ops; in nfs_init_fs_context()