NFS: rename nfs_fs_context pointer arg in a few functions

Split out from commit "NFS: Add fs_context support."

Rename cfg to ctx in nfs_init_server(), nfs_verify_authflavors(),
and nfs_request_mount().  No functional changes.
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

fs/nfs/client.c

@@ -658,28 +658,28 @@ EXPORT_SYMBOL_GPL(nfs_init_client);
  * Create a version 2 or 3 client
  */
 static int nfs_init_server(struct nfs_server *server,
-			   const struct nfs_fs_context *cfg,
+			   const struct nfs_fs_context *ctx,
 			   struct nfs_subversion *nfs_mod)
 {
 	struct rpc_timeout timeparms;
 	struct nfs_client_initdata cl_init = {
-		.hostname = cfg->nfs_server.hostname,
-		.addr = (const struct sockaddr *)&cfg->nfs_server.address,
-		.addrlen = cfg->nfs_server.addrlen,
+		.hostname = ctx->nfs_server.hostname,
+		.addr = (const struct sockaddr *)&ctx->nfs_server.address,
+		.addrlen = ctx->nfs_server.addrlen,
 		.nfs_mod = nfs_mod,
-		.proto = cfg->nfs_server.protocol,
-		.net = cfg->net,
+		.proto = ctx->nfs_server.protocol,
+		.net = ctx->net,
 		.timeparms = &timeparms,
 		.cred = server->cred,
-		.nconnect = cfg->nfs_server.nconnect,
+		.nconnect = ctx->nfs_server.nconnect,
 		.init_flags = (1UL << NFS_CS_REUSEPORT),
 	};
 	struct nfs_client *clp;
 	int error;
 
-	nfs_init_timeout_values(&timeparms, cfg->nfs_server.protocol,
-				cfg->timeo, cfg->retrans);
-	if (cfg->flags & NFS_MOUNT_NORESVPORT)
+	nfs_init_timeout_values(&timeparms, ctx->nfs_server.protocol,
+				ctx->timeo, ctx->retrans);
+	if (ctx->flags & NFS_MOUNT_NORESVPORT)
 		set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags);
 
 	/* Allocate or find a client reference we can use */
@@ -690,46 +690,46 @@ static int nfs_init_server(struct nfs_server *server,
 	server->nfs_client = clp;
 
 	/* Initialise the client representation from the mount data */
-	server->flags = cfg->flags;
-	server->options = cfg->options;
+	server->flags = ctx->flags;
+	server->options = ctx->options;
 	server->caps |= NFS_CAP_HARDLINKS|NFS_CAP_SYMLINKS|NFS_CAP_FILEID|
 		NFS_CAP_MODE|NFS_CAP_NLINK|NFS_CAP_OWNER|NFS_CAP_OWNER_GROUP|
 		NFS_CAP_ATIME|NFS_CAP_CTIME|NFS_CAP_MTIME;
 
-	if (cfg->rsize)
-		server->rsize = nfs_block_size(cfg->rsize, NULL);
-	if (cfg->wsize)
-		server->wsize = nfs_block_size(cfg->wsize, NULL);
+	if (ctx->rsize)
+		server->rsize = nfs_block_size(ctx->rsize, NULL);
+	if (ctx->wsize)
+		server->wsize = nfs_block_size(ctx->wsize, NULL);
 
-	server->acregmin = cfg->acregmin * HZ;
-	server->acregmax = cfg->acregmax * HZ;
-	server->acdirmin = cfg->acdirmin * HZ;
-	server->acdirmax = cfg->acdirmax * HZ;
+	server->acregmin = ctx->acregmin * HZ;
+	server->acregmax = ctx->acregmax * HZ;
+	server->acdirmin = ctx->acdirmin * HZ;
+	server->acdirmax = ctx->acdirmax * HZ;
 
 	/* Start lockd here, before we might error out */
 	error = nfs_start_lockd(server);
 	if (error < 0)
 		goto error;
 
-	server->port = cfg->nfs_server.port;
-	server->auth_info = cfg->auth_info;
+	server->port = ctx->nfs_server.port;
+	server->auth_info = ctx->auth_info;
 
 	error = nfs_init_server_rpcclient(server, &timeparms,
-					  cfg->selected_flavor);
+					  ctx->selected_flavor);
 	if (error < 0)
 		goto error;
 
 	/* Preserve the values of mount_server-related mount options */
-	if (cfg->mount_server.addrlen) {
-		memcpy(&server->mountd_address, &cfg->mount_server.address,
-			cfg->mount_server.addrlen);
-		server->mountd_addrlen = cfg->mount_server.addrlen;
+	if (ctx->mount_server.addrlen) {
+		memcpy(&server->mountd_address, &ctx->mount_server.address,
+			ctx->mount_server.addrlen);
+		server->mountd_addrlen = ctx->mount_server.addrlen;
 	}
-	server->mountd_version = cfg->mount_server.version;
-	server->mountd_port = cfg->mount_server.port;
-	server->mountd_protocol = cfg->mount_server.protocol;
+	server->mountd_version = ctx->mount_server.version;
+	server->mountd_port = ctx->mount_server.port;
+	server->mountd_protocol = ctx->mount_server.protocol;
 
-	server->namelen  = cfg->namlen;
+	server->namelen  = ctx->namlen;
 	return 0;
 
 error:

fs/nfs/super.c

@@ -726,11 +726,11 @@ bool nfs_auth_info_match(const struct nfs_auth_info *auth_info,
 EXPORT_SYMBOL_GPL(nfs_auth_info_match);
 
 /*
- * Ensure that a specified authtype in cfg->auth_info is supported by
- * the server. Returns 0 and sets cfg->selected_flavor if it's ok, and
+ * Ensure that a specified authtype in ctx->auth_info is supported by
+ * the server. Returns 0 and sets ctx->selected_flavor if it's ok, and
  * -EACCES if not.
  */
-static int nfs_verify_authflavors(struct nfs_fs_context *cfg,
+static int nfs_verify_authflavors(struct nfs_fs_context *ctx,
 				  rpc_authflavor_t *server_authlist,
 				  unsigned int count)
 {
@@ -753,7 +753,7 @@ static int nfs_verify_authflavors(struct nfs_fs_context *cfg,
 	for (i = 0; i < count; i++) {
 		flavor = server_authlist[i];
 
-		if (nfs_auth_info_match(&cfg->auth_info, flavor))
+		if (nfs_auth_info_match(&ctx->auth_info, flavor))
 			goto out;
 
 		if (flavor == RPC_AUTH_NULL)
@@ -761,7 +761,7 @@ static int nfs_verify_authflavors(struct nfs_fs_context *cfg,
 	}
 
 	if (found_auth_null) {
-		flavor = cfg->auth_info.flavors[0];
+		flavor = ctx->auth_info.flavors[0];
 		goto out;
 	}
 
@@ -770,8 +770,8 @@ static int nfs_verify_authflavors(struct nfs_fs_context *cfg,
 	return -EACCES;
 
 out:
-	cfg->selected_flavor = flavor;
-	dfprintk(MOUNT, "NFS: using auth flavor %u\n", cfg->selected_flavor);
+	ctx->selected_flavor = flavor;
+	dfprintk(MOUNT, "NFS: using auth flavor %u\n", ctx->selected_flavor);
 	return 0;
 }
 
@@ -779,50 +779,50 @@ static int nfs_verify_authflavors(struct nfs_fs_context *cfg,
  * Use the remote server's MOUNT service to request the NFS file handle
  * corresponding to the provided path.
  */
-static int nfs_request_mount(struct nfs_fs_context *cfg,
+static int nfs_request_mount(struct nfs_fs_context *ctx,
 			     struct nfs_fh *root_fh,
 			     rpc_authflavor_t *server_authlist,
 			     unsigned int *server_authlist_len)
 {
 	struct nfs_mount_request request = {
 		.sap		= (struct sockaddr *)
-						&cfg->mount_server.address,
-		.dirpath	= cfg->nfs_server.export_path,
-		.protocol	= cfg->mount_server.protocol,
+						&ctx->mount_server.address,
+		.dirpath	= ctx->nfs_server.export_path,
+		.protocol	= ctx->mount_server.protocol,
 		.fh		= root_fh,
-		.noresvport	= cfg->flags & NFS_MOUNT_NORESVPORT,
+		.noresvport	= ctx->flags & NFS_MOUNT_NORESVPORT,
 		.auth_flav_len	= server_authlist_len,
 		.auth_flavs	= server_authlist,
-		.net		= cfg->net,
+		.net		= ctx->net,
 	};
 	int status;
 
-	if (cfg->mount_server.version == 0) {
-		switch (cfg->version) {
+	if (ctx->mount_server.version == 0) {
+		switch (ctx->version) {
 			default:
-				cfg->mount_server.version = NFS_MNT3_VERSION;
+				ctx->mount_server.version = NFS_MNT3_VERSION;
 				break;
 			case 2:
-				cfg->mount_server.version = NFS_MNT_VERSION;
+				ctx->mount_server.version = NFS_MNT_VERSION;
 		}
 	}
-	request.version = cfg->mount_server.version;
+	request.version = ctx->mount_server.version;
 
-	if (cfg->mount_server.hostname)
-		request.hostname = cfg->mount_server.hostname;
+	if (ctx->mount_server.hostname)
+		request.hostname = ctx->mount_server.hostname;
 	else
-		request.hostname = cfg->nfs_server.hostname;
+		request.hostname = ctx->nfs_server.hostname;
 
 	/*
 	 * Construct the mount server's address.
 	 */
-	if (cfg->mount_server.address.sa_family == AF_UNSPEC) {
-		memcpy(request.sap, &cfg->nfs_server.address,
-		       cfg->nfs_server.addrlen);
-		cfg->mount_server.addrlen = cfg->nfs_server.addrlen;
+	if (ctx->mount_server.address.sa_family == AF_UNSPEC) {
+		memcpy(request.sap, &ctx->nfs_server.address,
+		       ctx->nfs_server.addrlen);
+		ctx->mount_server.addrlen = ctx->nfs_server.addrlen;
 	}
-	request.salen = cfg->mount_server.addrlen;
-	nfs_set_port(request.sap, &cfg->mount_server.port, 0);
+	request.salen = ctx->mount_server.addrlen;
+	nfs_set_port(request.sap, &ctx->mount_server.port, 0);
 
 	/*
 	 * Now ask the mount server to map our export path