#include #include #include #include "internal.h" #include "nfs3_fs.h" #ifdef CONFIG_NFS_V3_ACL static struct rpc_stat nfsacl_rpcstat = { &nfsacl_program }; static const struct rpc_version *nfsacl_version[] = { [3] = &nfsacl_version3, }; const struct rpc_program nfsacl_program = { .name = "nfsacl", .number = NFS_ACL_PROGRAM, .nrvers = ARRAY_SIZE(nfsacl_version), .version = nfsacl_version, .stats = &nfsacl_rpcstat, }; /* * Initialise an NFSv3 ACL client connection */ static void nfs_init_server_aclclient(struct nfs_server *server) { if (server->flags & NFS_MOUNT_NOACL) goto out_noacl; server->client_acl = rpc_bind_new_program(server->client, &nfsacl_program, 3); if (IS_ERR(server->client_acl)) goto out_noacl; /* No errors! Assume that Sun nfsacls are supported */ server->caps |= NFS_CAP_ACLS; return; out_noacl: server->caps &= ~NFS_CAP_ACLS; } #else static inline void nfs_init_server_aclclient(struct nfs_server *server) { server->flags &= ~NFS_MOUNT_NOACL; server->caps &= ~NFS_CAP_ACLS; } #endif struct nfs_server *nfs3_create_server(struct nfs_mount_info *mount_info, struct nfs_subversion *nfs_mod) { struct nfs_server *server = nfs_create_server(mount_info, nfs_mod); /* Create a client RPC handle for the NFS v3 ACL management interface */ if (!IS_ERR(server)) nfs_init_server_aclclient(server); return server; } struct nfs_server *nfs3_clone_server(struct nfs_server *source, struct nfs_fh *fh, struct nfs_fattr *fattr, rpc_authflavor_t flavor) { struct nfs_server *server = nfs_clone_server(source, fh, fattr, flavor); if (!IS_ERR(server) && !IS_ERR(source->client_acl)) nfs_init_server_aclclient(server); return server; } /* * Set up a pNFS Data Server client over NFSv3. * * Return any existing nfs_client that matches server address,port,version * and minorversion. * * For a new nfs_client, use a soft mount (default), a low retrans and a * low timeout interval so that if a connection is lost, we retry through * the MDS. */ struct nfs_client *nfs3_set_ds_client(struct nfs_server *mds_srv, const struct sockaddr *ds_addr, int ds_addrlen, int ds_proto, unsigned int ds_timeo, unsigned int ds_retrans) { struct rpc_timeout ds_timeout; struct nfs_client *mds_clp = mds_srv->nfs_client; struct nfs_client_initdata cl_init = { .addr = ds_addr, .addrlen = ds_addrlen, .nodename = mds_clp->cl_rpcclient->cl_nodename, .ip_addr = mds_clp->cl_ipaddr, .nfs_mod = &nfs_v3, .proto = ds_proto, .net = mds_clp->cl_net, .timeparms = &ds_timeout, }; struct nfs_client *clp; char buf[INET6_ADDRSTRLEN + 1]; /* fake a hostname because lockd wants it */ if (rpc_ntop(ds_addr, buf, sizeof(buf)) <= 0) return ERR_PTR(-EINVAL); cl_init.hostname = buf; if (mds_srv->flags & NFS_MOUNT_NORESVPORT) set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags); /* Use the MDS nfs_client cl_ipaddr. */ nfs_init_timeout_values(&ds_timeout, ds_proto, ds_timeo, ds_retrans); clp = nfs_get_client(&cl_init); return clp; } EXPORT_SYMBOL_GPL(nfs3_set_ds_client); >
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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2017-01-04 20:57:22 -0800
committerWolfram Sang <wsa@the-dreams.de>2017-01-12 20:06:15 +0100
commit331c34255293cd02d395b7097008b509ba89e60e (patch)
tree90c079b378ecb58eaa9dac6341ae9c776bc97019 /drivers/usb/renesas_usbhs
parent30f939feaeee23e21391cfc7b484f012eb189c3c (diff)
i2c: do not enable fall back to Host Notify by default
Falling back unconditionally to HostNotify as primary client's interrupt breaks some drivers which alter their functionality depending on whether interrupt is present or not, so let's introduce a board flag telling I2C core explicitly if we want wired interrupt or HostNotify-based one: I2C_CLIENT_HOST_NOTIFY. For DT-based systems we introduce "host-notify" property that we convert to I2C_CLIENT_HOST_NOTIFY board flag. Tested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Pali Rohár <pali.rohar@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/usb/renesas_usbhs')