From patchwork Tue Dec 10 12:31:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Scott Mayhew X-Patchwork-Id: 11282231 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 44FD814BD for ; Tue, 10 Dec 2019 12:32:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E6815208C3 for ; Tue, 10 Dec 2019 12:32:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="iLPierCf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727566AbfLJMcD (ORCPT ); Tue, 10 Dec 2019 07:32:03 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:54301 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727553AbfLJMb0 (ORCPT ); Tue, 10 Dec 2019 07:31:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1575981083; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=jUpDzgzPeEL2SmTXO6u65DoC2siCeNINdEGtpKiPdzc=; b=iLPierCfqfkovgiB9qWRYRH6gcuG3kKgunqbISPtBpnaibmxWIOvXccCl9EbrjV18vfCZA kI/bvJnWlbCWVcAFSZSVCejO2JFISVU7lg6c1fiI3aNk3+KaQpBloXOgHPdF65cp7JwXT9 b9r0sT4wjklGoKm19qllYpH4ythc3dw= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-101-fYhJ4cfYPsO1miU8nEp8PQ-1; Tue, 10 Dec 2019 07:31:19 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CA8BE801E66; Tue, 10 Dec 2019 12:31:17 +0000 (UTC) Received: from coeurl.usersys.redhat.com (ovpn-123-90.rdu2.redhat.com [10.10.123.90]) by smtp.corp.redhat.com (Postfix) with ESMTP id 666DD19C69; Tue, 10 Dec 2019 12:31:17 +0000 (UTC) Received: by coeurl.usersys.redhat.com (Postfix, from userid 1000) id E5EF120C2E; Tue, 10 Dec 2019 07:31:15 -0500 (EST) From: Scott Mayhew To: anna.schumaker@netapp.com, trond.myklebust@hammerspace.com Cc: dhowells@redhat.com, viro@zeniv.linux.org.uk, linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org Subject: [PATCH v6 18/27] NFS: Rename struct nfs_parsed_mount_data to struct nfs_fs_context Date: Tue, 10 Dec 2019 07:31:06 -0500 Message-Id: <20191210123115.1655-19-smayhew@redhat.com> In-Reply-To: <20191210123115.1655-1-smayhew@redhat.com> References: <20191210123115.1655-1-smayhew@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-MC-Unique: fYhJ4cfYPsO1miU8nEp8PQ-1 X-Mimecast-Spam-Score: 0 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: David Howells Rename struct nfs_parsed_mount_data to struct nfs_fs_context and rename pointers to it to "ctx". At some point this will be pointed to by an fs_context struct's fs_private pointer. Signed-off-by: David Howells Signed-off-by: Al Viro --- fs/nfs/client.c | 66 +++---- fs/nfs/fs_context.c | 446 ++++++++++++++++++++++---------------------- fs/nfs/internal.h | 14 +- fs/nfs/nfs4client.c | 60 +++--- fs/nfs/nfs4super.c | 6 +- fs/nfs/super.c | 194 +++++++++---------- 6 files changed, 393 insertions(+), 393 deletions(-) diff --git a/fs/nfs/client.c b/fs/nfs/client.c index a2049747adc4..0a00df8e71bb 100644 --- a/fs/nfs/client.c +++ b/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_parsed_mount_data *data, + const struct nfs_fs_context *cfg, struct nfs_subversion *nfs_mod) { struct rpc_timeout timeparms; struct nfs_client_initdata cl_init = { - .hostname = data->nfs_server.hostname, - .addr = (const struct sockaddr *)&data->nfs_server.address, - .addrlen = data->nfs_server.addrlen, + .hostname = cfg->nfs_server.hostname, + .addr = (const struct sockaddr *)&cfg->nfs_server.address, + .addrlen = cfg->nfs_server.addrlen, .nfs_mod = nfs_mod, - .proto = data->nfs_server.protocol, - .net = data->net, + .proto = cfg->nfs_server.protocol, + .net = cfg->net, .timeparms = &timeparms, .cred = server->cred, - .nconnect = data->nfs_server.nconnect, + .nconnect = cfg->nfs_server.nconnect, .init_flags = (1UL << NFS_CS_REUSEPORT), }; struct nfs_client *clp; int error; - nfs_init_timeout_values(&timeparms, data->nfs_server.protocol, - data->timeo, data->retrans); - if (data->flags & NFS_MOUNT_NORESVPORT) + nfs_init_timeout_values(&timeparms, cfg->nfs_server.protocol, + cfg->timeo, cfg->retrans); + if (cfg->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 = data->flags; - server->options = data->options; + server->flags = cfg->flags; + server->options = cfg->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 (data->rsize) - server->rsize = nfs_block_size(data->rsize, NULL); - if (data->wsize) - server->wsize = nfs_block_size(data->wsize, NULL); + if (cfg->rsize) + server->rsize = nfs_block_size(cfg->rsize, NULL); + if (cfg->wsize) + server->wsize = nfs_block_size(cfg->wsize, NULL); - server->acregmin = data->acregmin * HZ; - server->acregmax = data->acregmax * HZ; - server->acdirmin = data->acdirmin * HZ; - server->acdirmax = data->acdirmax * HZ; + server->acregmin = cfg->acregmin * HZ; + server->acregmax = cfg->acregmax * HZ; + server->acdirmin = cfg->acdirmin * HZ; + server->acdirmax = cfg->acdirmax * HZ; /* Start lockd here, before we might error out */ error = nfs_start_lockd(server); if (error < 0) goto error; - server->port = data->nfs_server.port; - server->auth_info = data->auth_info; + server->port = cfg->nfs_server.port; + server->auth_info = cfg->auth_info; error = nfs_init_server_rpcclient(server, &timeparms, - data->selected_flavor); + cfg->selected_flavor); if (error < 0) goto error; /* Preserve the values of mount_server-related mount options */ - if (data->mount_server.addrlen) { - memcpy(&server->mountd_address, &data->mount_server.address, - data->mount_server.addrlen); - server->mountd_addrlen = data->mount_server.addrlen; + if (cfg->mount_server.addrlen) { + memcpy(&server->mountd_address, &cfg->mount_server.address, + cfg->mount_server.addrlen); + server->mountd_addrlen = cfg->mount_server.addrlen; } - server->mountd_version = data->mount_server.version; - server->mountd_port = data->mount_server.port; - server->mountd_protocol = data->mount_server.protocol; + server->mountd_version = cfg->mount_server.version; + server->mountd_port = cfg->mount_server.port; + server->mountd_protocol = cfg->mount_server.protocol; - server->namelen = data->namlen; + server->namelen = cfg->namlen; return 0; error: @@ -970,7 +970,7 @@ struct nfs_server *nfs_create_server(struct nfs_mount_info *mount_info) goto error; /* Get a client representation */ - error = nfs_init_server(server, mount_info->parsed, nfs_mod); + error = nfs_init_server(server, mount_info->ctx, nfs_mod); if (error < 0) goto error; @@ -981,7 +981,7 @@ struct nfs_server *nfs_create_server(struct nfs_mount_info *mount_info) if (server->nfs_client->rpc_ops->version == 3) { if (server->namelen == 0 || server->namelen > NFS3_MAXNAMLEN) server->namelen = NFS3_MAXNAMLEN; - if (!(mount_info->parsed->flags & NFS_MOUNT_NORDIRPLUS)) + if (!(mount_info->ctx->flags & NFS_MOUNT_NORDIRPLUS)) server->caps |= NFS_CAP_READDIRPLUS; } else { if (server->namelen == 0 || server->namelen > NFS2_MAXNAMLEN) diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c index 8fbfd526d6b8..52aa2b8522f0 100644 --- a/fs/nfs/fs_context.c +++ b/fs/nfs/fs_context.c @@ -242,40 +242,40 @@ static const match_table_t nfs_vers_tokens = { { Opt_vers_err, NULL } }; -struct nfs_parsed_mount_data *nfs_alloc_parsed_mount_data(void) +struct nfs_fs_context *nfs_alloc_parsed_mount_data(void) { - struct nfs_parsed_mount_data *data; - - data = kzalloc(sizeof(*data), GFP_KERNEL); - if (data) { - data->timeo = NFS_UNSPEC_TIMEO; - data->retrans = NFS_UNSPEC_RETRANS; - data->acregmin = NFS_DEF_ACREGMIN; - data->acregmax = NFS_DEF_ACREGMAX; - data->acdirmin = NFS_DEF_ACDIRMIN; - data->acdirmax = NFS_DEF_ACDIRMAX; - data->mount_server.port = NFS_UNSPEC_PORT; - data->nfs_server.port = NFS_UNSPEC_PORT; - data->nfs_server.protocol = XPRT_TRANSPORT_TCP; - data->selected_flavor = RPC_AUTH_MAXFLAVOR; - data->minorversion = 0; - data->need_mount = true; - data->net = current->nsproxy->net_ns; - data->lsm_opts = NULL; + struct nfs_fs_context *ctx; + + ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); + if (ctx) { + ctx->timeo = NFS_UNSPEC_TIMEO; + ctx->retrans = NFS_UNSPEC_RETRANS; + ctx->acregmin = NFS_DEF_ACREGMIN; + ctx->acregmax = NFS_DEF_ACREGMAX; + ctx->acdirmin = NFS_DEF_ACDIRMIN; + ctx->acdirmax = NFS_DEF_ACDIRMAX; + ctx->mount_server.port = NFS_UNSPEC_PORT; + ctx->nfs_server.port = NFS_UNSPEC_PORT; + ctx->nfs_server.protocol = XPRT_TRANSPORT_TCP; + ctx->selected_flavor = RPC_AUTH_MAXFLAVOR; + ctx->minorversion = 0; + ctx->need_mount = true; + ctx->net = current->nsproxy->net_ns; + ctx->lsm_opts = NULL; } - return data; + return ctx; } -void nfs_free_parsed_mount_data(struct nfs_parsed_mount_data *data) +void nfs_free_parsed_mount_data(struct nfs_fs_context *ctx) { - if (data) { - kfree(data->client_address); - kfree(data->mount_server.hostname); - kfree(data->nfs_server.export_path); - kfree(data->nfs_server.hostname); - kfree(data->fscache_uniq); - security_free_mnt_opts(&data->lsm_opts); - kfree(data); + if (ctx) { + kfree(ctx->client_address); + kfree(ctx->mount_server.hostname); + kfree(ctx->nfs_server.export_path); + kfree(ctx->nfs_server.hostname); + kfree(ctx->fscache_uniq); + security_free_mnt_opts(&ctx->lsm_opts); + kfree(ctx); } } @@ -306,15 +306,15 @@ static int nfs_verify_server_address(struct sockaddr *addr) * Sanity check the NFS transport protocol. * */ -static void nfs_validate_transport_protocol(struct nfs_parsed_mount_data *mnt) +static void nfs_validate_transport_protocol(struct nfs_fs_context *ctx) { - switch (mnt->nfs_server.protocol) { + switch (ctx->nfs_server.protocol) { case XPRT_TRANSPORT_UDP: case XPRT_TRANSPORT_TCP: case XPRT_TRANSPORT_RDMA: break; default: - mnt->nfs_server.protocol = XPRT_TRANSPORT_TCP; + ctx->nfs_server.protocol = XPRT_TRANSPORT_TCP; } } @@ -322,20 +322,20 @@ static void nfs_validate_transport_protocol(struct nfs_parsed_mount_data *mnt) * For text based NFSv2/v3 mounts, the mount protocol transport default * settings should depend upon the specified NFS transport. */ -static void nfs_set_mount_transport_protocol(struct nfs_parsed_mount_data *mnt) +static void nfs_set_mount_transport_protocol(struct nfs_fs_context *ctx) { - nfs_validate_transport_protocol(mnt); + nfs_validate_transport_protocol(ctx); - if (mnt->mount_server.protocol == XPRT_TRANSPORT_UDP || - mnt->mount_server.protocol == XPRT_TRANSPORT_TCP) + if (ctx->mount_server.protocol == XPRT_TRANSPORT_UDP || + ctx->mount_server.protocol == XPRT_TRANSPORT_TCP) return; - switch (mnt->nfs_server.protocol) { + switch (ctx->nfs_server.protocol) { case XPRT_TRANSPORT_UDP: - mnt->mount_server.protocol = XPRT_TRANSPORT_UDP; + ctx->mount_server.protocol = XPRT_TRANSPORT_UDP; break; case XPRT_TRANSPORT_TCP: case XPRT_TRANSPORT_RDMA: - mnt->mount_server.protocol = XPRT_TRANSPORT_TCP; + ctx->mount_server.protocol = XPRT_TRANSPORT_TCP; } } @@ -367,8 +367,7 @@ static bool nfs_auth_info_add(struct nfs_auth_info *auth_info, /* * Parse the value of the 'sec=' option. */ -static int nfs_parse_security_flavors(char *value, - struct nfs_parsed_mount_data *mnt) +static int nfs_parse_security_flavors(char *value, struct nfs_fs_context *ctx) { substring_t args[MAX_OPT_ARGS]; rpc_authflavor_t pseudoflavor; @@ -417,7 +416,7 @@ static int nfs_parse_security_flavors(char *value, return 0; } - if (!nfs_auth_info_add(&mnt->auth_info, pseudoflavor)) + if (!nfs_auth_info_add(&ctx->auth_info, pseudoflavor)) return 0; } @@ -425,36 +424,36 @@ static int nfs_parse_security_flavors(char *value, } static int nfs_parse_version_string(char *string, - struct nfs_parsed_mount_data *mnt, + struct nfs_fs_context *ctx, substring_t *args) { - mnt->flags &= ~NFS_MOUNT_VER3; + ctx->flags &= ~NFS_MOUNT_VER3; switch (match_token(string, nfs_vers_tokens, args)) { case Opt_vers_2: - mnt->version = 2; + ctx->version = 2; break; case Opt_vers_3: - mnt->flags |= NFS_MOUNT_VER3; - mnt->version = 3; + ctx->flags |= NFS_MOUNT_VER3; + ctx->version = 3; break; case Opt_vers_4: /* Backward compatibility option. In future, * the mount program should always supply * a NFSv4 minor version number. */ - mnt->version = 4; + ctx->version = 4; break; case Opt_vers_4_0: - mnt->version = 4; - mnt->minorversion = 0; + ctx->version = 4; + ctx->minorversion = 0; break; case Opt_vers_4_1: - mnt->version = 4; - mnt->minorversion = 1; + ctx->version = 4; + ctx->minorversion = 1; break; case Opt_vers_4_2: - mnt->version = 4; - mnt->minorversion = 2; + ctx->version = 4; + ctx->minorversion = 2; break; default: return 0; @@ -502,7 +501,7 @@ static int nfs_get_option_ul_bound(substring_t args[], unsigned long *option, * skipped as they are encountered. If there were no errors, return 1; * otherwise return 0 (zero). */ -int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) +int nfs_parse_mount_options(char *raw, struct nfs_fs_context *ctx) { char *p, *string; int rc, sloppy = 0, invalid_option = 0; @@ -515,7 +514,7 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) } dfprintk(MOUNT, "NFS: nfs mount opts='%s'\n", raw); - rc = security_sb_eat_lsm_opts(raw, &mnt->lsm_opts); + rc = security_sb_eat_lsm_opts(raw, &ctx->lsm_opts); if (rc) goto out_security_failure; @@ -536,96 +535,96 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) * boolean options: foo/nofoo */ case Opt_soft: - mnt->flags |= NFS_MOUNT_SOFT; - mnt->flags &= ~NFS_MOUNT_SOFTERR; + ctx->flags |= NFS_MOUNT_SOFT; + ctx->flags &= ~NFS_MOUNT_SOFTERR; break; case Opt_softerr: - mnt->flags |= NFS_MOUNT_SOFTERR; - mnt->flags &= ~NFS_MOUNT_SOFT; + ctx->flags |= NFS_MOUNT_SOFTERR; + ctx->flags &= ~NFS_MOUNT_SOFT; break; case Opt_hard: - mnt->flags &= ~(NFS_MOUNT_SOFT|NFS_MOUNT_SOFTERR); + ctx->flags &= ~(NFS_MOUNT_SOFT|NFS_MOUNT_SOFTERR); break; case Opt_posix: - mnt->flags |= NFS_MOUNT_POSIX; + ctx->flags |= NFS_MOUNT_POSIX; break; case Opt_noposix: - mnt->flags &= ~NFS_MOUNT_POSIX; + ctx->flags &= ~NFS_MOUNT_POSIX; break; case Opt_cto: - mnt->flags &= ~NFS_MOUNT_NOCTO; + ctx->flags &= ~NFS_MOUNT_NOCTO; break; case Opt_nocto: - mnt->flags |= NFS_MOUNT_NOCTO; + ctx->flags |= NFS_MOUNT_NOCTO; break; case Opt_ac: - mnt->flags &= ~NFS_MOUNT_NOAC; + ctx->flags &= ~NFS_MOUNT_NOAC; break; case Opt_noac: - mnt->flags |= NFS_MOUNT_NOAC; + ctx->flags |= NFS_MOUNT_NOAC; break; case Opt_lock: - mnt->flags &= ~NFS_MOUNT_NONLM; - mnt->flags &= ~(NFS_MOUNT_LOCAL_FLOCK | + ctx->flags &= ~NFS_MOUNT_NONLM; + ctx->flags &= ~(NFS_MOUNT_LOCAL_FLOCK | NFS_MOUNT_LOCAL_FCNTL); break; case Opt_nolock: - mnt->flags |= NFS_MOUNT_NONLM; - mnt->flags |= (NFS_MOUNT_LOCAL_FLOCK | + ctx->flags |= NFS_MOUNT_NONLM; + ctx->flags |= (NFS_MOUNT_LOCAL_FLOCK | NFS_MOUNT_LOCAL_FCNTL); break; case Opt_udp: - mnt->flags &= ~NFS_MOUNT_TCP; - mnt->nfs_server.protocol = XPRT_TRANSPORT_UDP; + ctx->flags &= ~NFS_MOUNT_TCP; + ctx->nfs_server.protocol = XPRT_TRANSPORT_UDP; break; case Opt_tcp: - mnt->flags |= NFS_MOUNT_TCP; - mnt->nfs_server.protocol = XPRT_TRANSPORT_TCP; + ctx->flags |= NFS_MOUNT_TCP; + ctx->nfs_server.protocol = XPRT_TRANSPORT_TCP; break; case Opt_rdma: - mnt->flags |= NFS_MOUNT_TCP; /* for side protocols */ - mnt->nfs_server.protocol = XPRT_TRANSPORT_RDMA; + ctx->flags |= NFS_MOUNT_TCP; /* for side protocols */ + ctx->nfs_server.protocol = XPRT_TRANSPORT_RDMA; xprt_load_transport(p); break; case Opt_acl: - mnt->flags &= ~NFS_MOUNT_NOACL; + ctx->flags &= ~NFS_MOUNT_NOACL; break; case Opt_noacl: - mnt->flags |= NFS_MOUNT_NOACL; + ctx->flags |= NFS_MOUNT_NOACL; break; case Opt_rdirplus: - mnt->flags &= ~NFS_MOUNT_NORDIRPLUS; + ctx->flags &= ~NFS_MOUNT_NORDIRPLUS; break; case Opt_nordirplus: - mnt->flags |= NFS_MOUNT_NORDIRPLUS; + ctx->flags |= NFS_MOUNT_NORDIRPLUS; break; case Opt_sharecache: - mnt->flags &= ~NFS_MOUNT_UNSHARED; + ctx->flags &= ~NFS_MOUNT_UNSHARED; break; case Opt_nosharecache: - mnt->flags |= NFS_MOUNT_UNSHARED; + ctx->flags |= NFS_MOUNT_UNSHARED; break; case Opt_resvport: - mnt->flags &= ~NFS_MOUNT_NORESVPORT; + ctx->flags &= ~NFS_MOUNT_NORESVPORT; break; case Opt_noresvport: - mnt->flags |= NFS_MOUNT_NORESVPORT; + ctx->flags |= NFS_MOUNT_NORESVPORT; break; case Opt_fscache: - mnt->options |= NFS_OPTION_FSCACHE; - kfree(mnt->fscache_uniq); - mnt->fscache_uniq = NULL; + ctx->options |= NFS_OPTION_FSCACHE; + kfree(ctx->fscache_uniq); + ctx->fscache_uniq = NULL; break; case Opt_nofscache: - mnt->options &= ~NFS_OPTION_FSCACHE; - kfree(mnt->fscache_uniq); - mnt->fscache_uniq = NULL; + ctx->options &= ~NFS_OPTION_FSCACHE; + kfree(ctx->fscache_uniq); + ctx->fscache_uniq = NULL; break; case Opt_migration: - mnt->options |= NFS_OPTION_MIGRATION; + ctx->options |= NFS_OPTION_MIGRATION; break; case Opt_nomigration: - mnt->options &= ~NFS_OPTION_MIGRATION; + ctx->options &= ~NFS_OPTION_MIGRATION; break; /* @@ -635,83 +634,83 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) if (nfs_get_option_ul(args, &option) || option > USHRT_MAX) goto out_invalid_value; - mnt->nfs_server.port = option; + ctx->nfs_server.port = option; break; case Opt_rsize: if (nfs_get_option_ul(args, &option)) goto out_invalid_value; - mnt->rsize = option; + ctx->rsize = option; break; case Opt_wsize: if (nfs_get_option_ul(args, &option)) goto out_invalid_value; - mnt->wsize = option; + ctx->wsize = option; break; case Opt_bsize: if (nfs_get_option_ul(args, &option)) goto out_invalid_value; - mnt->bsize = option; + ctx->bsize = option; break; case Opt_timeo: if (nfs_get_option_ul_bound(args, &option, 1, INT_MAX)) goto out_invalid_value; - mnt->timeo = option; + ctx->timeo = option; break; case Opt_retrans: if (nfs_get_option_ul_bound(args, &option, 0, INT_MAX)) goto out_invalid_value; - mnt->retrans = option; + ctx->retrans = option; break; case Opt_acregmin: if (nfs_get_option_ul(args, &option)) goto out_invalid_value; - mnt->acregmin = option; + ctx->acregmin = option; break; case Opt_acregmax: if (nfs_get_option_ul(args, &option)) goto out_invalid_value; - mnt->acregmax = option; + ctx->acregmax = option; break; case Opt_acdirmin: if (nfs_get_option_ul(args, &option)) goto out_invalid_value; - mnt->acdirmin = option; + ctx->acdirmin = option; break; case Opt_acdirmax: if (nfs_get_option_ul(args, &option)) goto out_invalid_value; - mnt->acdirmax = option; + ctx->acdirmax = option; break; case Opt_actimeo: if (nfs_get_option_ul(args, &option)) goto out_invalid_value; - mnt->acregmin = mnt->acregmax = - mnt->acdirmin = mnt->acdirmax = option; + ctx->acregmin = ctx->acregmax = + ctx->acdirmin = ctx->acdirmax = option; break; case Opt_namelen: if (nfs_get_option_ul(args, &option)) goto out_invalid_value; - mnt->namlen = option; + ctx->namlen = option; break; case Opt_mountport: if (nfs_get_option_ul(args, &option) || option > USHRT_MAX) goto out_invalid_value; - mnt->mount_server.port = option; + ctx->mount_server.port = option; break; case Opt_mountvers: if (nfs_get_option_ul(args, &option) || option < NFS_MNT_VERSION || option > NFS_MNT3_VERSION) goto out_invalid_value; - mnt->mount_server.version = option; + ctx->mount_server.version = option; break; case Opt_minorversion: if (nfs_get_option_ul(args, &option)) goto out_invalid_value; if (option > NFS4_MAX_MINOR_VERSION) goto out_invalid_value; - mnt->minorversion = option; + ctx->minorversion = option; break; /* @@ -721,7 +720,7 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) string = match_strdup(args); if (string == NULL) goto out_nomem; - rc = nfs_parse_version_string(string, mnt, args); + rc = nfs_parse_version_string(string, ctx, args); kfree(string); if (!rc) goto out_invalid_value; @@ -730,7 +729,7 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) string = match_strdup(args); if (string == NULL) goto out_nomem; - rc = nfs_parse_security_flavors(string, mnt); + rc = nfs_parse_security_flavors(string, ctx); kfree(string); if (!rc) { dfprintk(MOUNT, "NFS: unrecognized " @@ -751,23 +750,23 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) protofamily = AF_INET6; /* fall through */ case Opt_xprt_udp: - mnt->flags &= ~NFS_MOUNT_TCP; - mnt->nfs_server.protocol = XPRT_TRANSPORT_UDP; + ctx->flags &= ~NFS_MOUNT_TCP; + ctx->nfs_server.protocol = XPRT_TRANSPORT_UDP; break; case Opt_xprt_tcp6: protofamily = AF_INET6; /* fall through */ case Opt_xprt_tcp: - mnt->flags |= NFS_MOUNT_TCP; - mnt->nfs_server.protocol = XPRT_TRANSPORT_TCP; + ctx->flags |= NFS_MOUNT_TCP; + ctx->nfs_server.protocol = XPRT_TRANSPORT_TCP; break; case Opt_xprt_rdma6: protofamily = AF_INET6; /* fall through */ case Opt_xprt_rdma: /* vector side protocols to TCP */ - mnt->flags |= NFS_MOUNT_TCP; - mnt->nfs_server.protocol = XPRT_TRANSPORT_RDMA; + ctx->flags |= NFS_MOUNT_TCP; + ctx->nfs_server.protocol = XPRT_TRANSPORT_RDMA; xprt_load_transport(string); break; default: @@ -792,13 +791,13 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) mountfamily = AF_INET6; /* fall through */ case Opt_xprt_udp: - mnt->mount_server.protocol = XPRT_TRANSPORT_UDP; + ctx->mount_server.protocol = XPRT_TRANSPORT_UDP; break; case Opt_xprt_tcp6: mountfamily = AF_INET6; /* fall through */ case Opt_xprt_tcp: - mnt->mount_server.protocol = XPRT_TRANSPORT_TCP; + ctx->mount_server.protocol = XPRT_TRANSPORT_TCP; break; case Opt_xprt_rdma: /* not used for side protocols */ default: @@ -811,41 +810,41 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) string = match_strdup(args); if (string == NULL) goto out_nomem; - mnt->nfs_server.addrlen = - rpc_pton(mnt->net, string, strlen(string), + ctx->nfs_server.addrlen = + rpc_pton(ctx->net, string, strlen(string), (struct sockaddr *) - &mnt->nfs_server.address, - sizeof(mnt->nfs_server.address)); + &ctx->nfs_server.address, + sizeof(ctx->nfs_server.address)); kfree(string); - if (mnt->nfs_server.addrlen == 0) + if (ctx->nfs_server.addrlen == 0) goto out_invalid_address; break; case Opt_clientaddr: - if (nfs_get_option_str(args, &mnt->client_address)) + if (nfs_get_option_str(args, &ctx->client_address)) goto out_nomem; break; case Opt_mounthost: if (nfs_get_option_str(args, - &mnt->mount_server.hostname)) + &ctx->mount_server.hostname)) goto out_nomem; break; case Opt_mountaddr: string = match_strdup(args); if (string == NULL) goto out_nomem; - mnt->mount_server.addrlen = - rpc_pton(mnt->net, string, strlen(string), + ctx->mount_server.addrlen = + rpc_pton(ctx->net, string, strlen(string), (struct sockaddr *) - &mnt->mount_server.address, - sizeof(mnt->mount_server.address)); + &ctx->mount_server.address, + sizeof(ctx->mount_server.address)); kfree(string); - if (mnt->mount_server.addrlen == 0) + if (ctx->mount_server.addrlen == 0) goto out_invalid_address; break; case Opt_nconnect: if (nfs_get_option_ul_bound(args, &option, 1, NFS_MAX_CONNECTIONS)) goto out_invalid_value; - mnt->nfs_server.nconnect = option; + ctx->nfs_server.nconnect = option; break; case Opt_lookupcache: string = match_strdup(args); @@ -856,14 +855,14 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) kfree(string); switch (token) { case Opt_lookupcache_all: - mnt->flags &= ~(NFS_MOUNT_LOOKUP_CACHE_NONEG|NFS_MOUNT_LOOKUP_CACHE_NONE); + ctx->flags &= ~(NFS_MOUNT_LOOKUP_CACHE_NONEG|NFS_MOUNT_LOOKUP_CACHE_NONE); break; case Opt_lookupcache_positive: - mnt->flags &= ~NFS_MOUNT_LOOKUP_CACHE_NONE; - mnt->flags |= NFS_MOUNT_LOOKUP_CACHE_NONEG; + ctx->flags &= ~NFS_MOUNT_LOOKUP_CACHE_NONE; + ctx->flags |= NFS_MOUNT_LOOKUP_CACHE_NONEG; break; case Opt_lookupcache_none: - mnt->flags |= NFS_MOUNT_LOOKUP_CACHE_NONEG|NFS_MOUNT_LOOKUP_CACHE_NONE; + ctx->flags |= NFS_MOUNT_LOOKUP_CACHE_NONEG|NFS_MOUNT_LOOKUP_CACHE_NONE; break; default: dfprintk(MOUNT, "NFS: invalid " @@ -872,9 +871,9 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) } break; case Opt_fscache_uniq: - if (nfs_get_option_str(args, &mnt->fscache_uniq)) + if (nfs_get_option_str(args, &ctx->fscache_uniq)) goto out_nomem; - mnt->options |= NFS_OPTION_FSCACHE; + ctx->options |= NFS_OPTION_FSCACHE; break; case Opt_local_lock: string = match_strdup(args); @@ -885,17 +884,17 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) kfree(string); switch (token) { case Opt_local_lock_all: - mnt->flags |= (NFS_MOUNT_LOCAL_FLOCK | + ctx->flags |= (NFS_MOUNT_LOCAL_FLOCK | NFS_MOUNT_LOCAL_FCNTL); break; case Opt_local_lock_flock: - mnt->flags |= NFS_MOUNT_LOCAL_FLOCK; + ctx->flags |= NFS_MOUNT_LOCAL_FLOCK; break; case Opt_local_lock_posix: - mnt->flags |= NFS_MOUNT_LOCAL_FCNTL; + ctx->flags |= NFS_MOUNT_LOCAL_FCNTL; break; case Opt_local_lock_none: - mnt->flags &= ~(NFS_MOUNT_LOCAL_FLOCK | + ctx->flags &= ~(NFS_MOUNT_LOCAL_FLOCK | NFS_MOUNT_LOCAL_FCNTL); break; default: @@ -928,11 +927,11 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) if (!sloppy && invalid_option) return 0; - if (mnt->minorversion && mnt->version != 4) + if (ctx->minorversion && ctx->version != 4) goto out_minorversion_mismatch; - if (mnt->options & NFS_OPTION_MIGRATION && - (mnt->version != 4 || mnt->minorversion != 0)) + if (ctx->options & NFS_OPTION_MIGRATION && + (ctx->version != 4 || ctx->minorversion != 0)) goto out_migration_misuse; /* @@ -940,15 +939,15 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) * families in the addr=/mountaddr= options. */ if (protofamily != AF_UNSPEC && - protofamily != mnt->nfs_server.address.ss_family) + protofamily != ctx->nfs_server.address.ss_family) goto out_proto_mismatch; if (mountfamily != AF_UNSPEC) { - if (mnt->mount_server.addrlen) { - if (mountfamily != mnt->mount_server.address.ss_family) + if (ctx->mount_server.addrlen) { + if (mountfamily != ctx->mount_server.address.ss_family) goto out_mountproto_mismatch; } else { - if (mountfamily != mnt->nfs_server.address.ss_family) + if (mountfamily != ctx->nfs_server.address.ss_family) goto out_mountproto_mismatch; } } @@ -970,7 +969,7 @@ int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) return 0; out_minorversion_mismatch: printk(KERN_INFO "NFS: mount option vers=%u does not support " - "minorversion=%u\n", mnt->version, mnt->minorversion); + "minorversion=%u\n", ctx->version, ctx->minorversion); return 0; out_migration_misuse: printk(KERN_INFO @@ -1078,18 +1077,18 @@ static int nfs_parse_devname(const char *dev_name, * mountproto=tcp after mountproto=udp, and so on */ static int nfs23_validate_mount_data(void *options, - struct nfs_parsed_mount_data *args, + struct nfs_fs_context *ctx, struct nfs_fh *mntfh, const char *dev_name) { struct nfs_mount_data *data = (struct nfs_mount_data *)options; - struct sockaddr *sap = (struct sockaddr *)&args->nfs_server.address; + struct sockaddr *sap = (struct sockaddr *)&ctx->nfs_server.address; int extra_flags = NFS_MOUNT_LEGACY_INTERFACE; if (data == NULL) goto out_no_data; - args->version = NFS_DEFAULT_VERSION; + ctx->version = NFS_DEFAULT_VERSION; switch (data->version) { case 1: data->namlen = 0; /* fall through */ @@ -1115,10 +1114,10 @@ static int nfs23_validate_mount_data(void *options, if (data->root.size > NFS3_FHSIZE || data->root.size == 0) goto out_invalid_fh; mntfh->size = data->root.size; - args->version = 3; + ctx->version = 3; } else { mntfh->size = NFS2_FHSIZE; - args->version = 2; + ctx->version = 2; } @@ -1128,47 +1127,47 @@ static int nfs23_validate_mount_data(void *options, sizeof(mntfh->data) - mntfh->size); /* - * Translate to nfs_parsed_mount_data, which nfs_fill_super + * Translate to nfs_fs_context, which nfs_fill_super * can deal with. */ - args->flags = data->flags & NFS_MOUNT_FLAGMASK; - args->flags |= extra_flags; - args->rsize = data->rsize; - args->wsize = data->wsize; - args->timeo = data->timeo; - args->retrans = data->retrans; - args->acregmin = data->acregmin; - args->acregmax = data->acregmax; - args->acdirmin = data->acdirmin; - args->acdirmax = data->acdirmax; - args->need_mount = false; + ctx->flags = data->flags & NFS_MOUNT_FLAGMASK; + ctx->flags |= extra_flags; + ctx->rsize = data->rsize; + ctx->wsize = data->wsize; + ctx->timeo = data->timeo; + ctx->retrans = data->retrans; + ctx->acregmin = data->acregmin; + ctx->acregmax = data->acregmax; + ctx->acdirmin = data->acdirmin; + ctx->acdirmax = data->acdirmax; + ctx->need_mount = false; memcpy(sap, &data->addr, sizeof(data->addr)); - args->nfs_server.addrlen = sizeof(data->addr); - args->nfs_server.port = ntohs(data->addr.sin_port); + ctx->nfs_server.addrlen = sizeof(data->addr); + ctx->nfs_server.port = ntohs(data->addr.sin_port); if (sap->sa_family != AF_INET || !nfs_verify_server_address(sap)) goto out_no_address; if (!(data->flags & NFS_MOUNT_TCP)) - args->nfs_server.protocol = XPRT_TRANSPORT_UDP; + ctx->nfs_server.protocol = XPRT_TRANSPORT_UDP; /* N.B. caller will free nfs_server.hostname in all cases */ - args->nfs_server.hostname = kstrdup(data->hostname, GFP_KERNEL); - args->namlen = data->namlen; - args->bsize = data->bsize; + ctx->nfs_server.hostname = kstrdup(data->hostname, GFP_KERNEL); + ctx->namlen = data->namlen; + ctx->bsize = data->bsize; if (data->flags & NFS_MOUNT_SECFLAVOUR) - args->selected_flavor = data->pseudoflavor; + ctx->selected_flavor = data->pseudoflavor; else - args->selected_flavor = RPC_AUTH_UNIX; - if (!args->nfs_server.hostname) + ctx->selected_flavor = RPC_AUTH_UNIX; + if (!ctx->nfs_server.hostname) goto out_nomem; if (!(data->flags & NFS_MOUNT_NONLM)) - args->flags &= ~(NFS_MOUNT_LOCAL_FLOCK| + ctx->flags &= ~(NFS_MOUNT_LOCAL_FLOCK| NFS_MOUNT_LOCAL_FCNTL); else - args->flags |= (NFS_MOUNT_LOCAL_FLOCK| + ctx->flags |= (NFS_MOUNT_LOCAL_FLOCK| NFS_MOUNT_LOCAL_FCNTL); /* * The legacy version 6 binary mount data from userspace has a @@ -1183,7 +1182,7 @@ static int nfs23_validate_mount_data(void *options, int rc; data->context[NFS_MAX_CONTEXT_LEN] = '\0'; rc = security_add_mnt_opt("context", data->context, - strlen(data->context), &args->lsm_opts); + strlen(data->context), ctx->lsm_opts); if (rc) return rc; #else @@ -1225,10 +1224,9 @@ static int nfs23_validate_mount_data(void *options, } #if IS_ENABLED(CONFIG_NFS_V4) - -static void nfs4_validate_mount_flags(struct nfs_parsed_mount_data *args) +static void nfs4_validate_mount_flags(struct nfs_fs_context *ctx) { - args->flags &= ~(NFS_MOUNT_NONLM|NFS_MOUNT_NOACL|NFS_MOUNT_VER3| + ctx->flags &= ~(NFS_MOUNT_NONLM|NFS_MOUNT_NOACL|NFS_MOUNT_VER3| NFS_MOUNT_LOCAL_FLOCK|NFS_MOUNT_LOCAL_FCNTL); } @@ -1236,30 +1234,30 @@ static void nfs4_validate_mount_flags(struct nfs_parsed_mount_data *args) * Validate NFSv4 mount options */ static int nfs4_validate_mount_data(void *options, - struct nfs_parsed_mount_data *args, + struct nfs_fs_context *ctx, const char *dev_name) { - struct sockaddr *sap = (struct sockaddr *)&args->nfs_server.address; + struct sockaddr *sap = (struct sockaddr *)&ctx->nfs_server.address; struct nfs4_mount_data *data = (struct nfs4_mount_data *)options; char *c; if (data == NULL) goto out_no_data; - args->version = 4; + ctx->version = 4; switch (data->version) { case 1: - if (data->host_addrlen > sizeof(args->nfs_server.address)) + if (data->host_addrlen > sizeof(ctx->nfs_server.address)) goto out_no_address; if (data->host_addrlen == 0) goto out_no_address; - args->nfs_server.addrlen = data->host_addrlen; + ctx->nfs_server.addrlen = data->host_addrlen; if (copy_from_user(sap, data->host_addr, data->host_addrlen)) return -EFAULT; if (!nfs_verify_server_address(sap)) goto out_no_address; - args->nfs_server.port = ntohs(((struct sockaddr_in *)sap)->sin_port); + ctx->nfs_server.port = ntohs(((struct sockaddr_in *)sap)->sin_port); if (data->auth_flavourlen) { rpc_authflavor_t pseudoflavor; @@ -1269,43 +1267,43 @@ static int nfs4_validate_mount_data(void *options, data->auth_flavours, sizeof(pseudoflavor))) return -EFAULT; - args->selected_flavor = pseudoflavor; + ctx->selected_flavor = pseudoflavor; } else - args->selected_flavor = RPC_AUTH_UNIX; + ctx->selected_flavor = RPC_AUTH_UNIX; c = strndup_user(data->hostname.data, NFS4_MAXNAMLEN); if (IS_ERR(c)) return PTR_ERR(c); - args->nfs_server.hostname = c; + ctx->nfs_server.hostname = c; c = strndup_user(data->mnt_path.data, NFS4_MAXPATHLEN); if (IS_ERR(c)) return PTR_ERR(c); - args->nfs_server.export_path = c; + ctx->nfs_server.export_path = c; dfprintk(MOUNT, "NFS: MNTPATH: '%s'\n", c); c = strndup_user(data->client_addr.data, 16); if (IS_ERR(c)) return PTR_ERR(c); - args->client_address = c; + ctx->client_address = c; /* - * Translate to nfs_parsed_mount_data, which nfs4_fill_super + * Translate to nfs_fs_context, which nfs4_fill_super * can deal with. */ - args->flags = data->flags & NFS4_MOUNT_FLAGMASK; - args->rsize = data->rsize; - args->wsize = data->wsize; - args->timeo = data->timeo; - args->retrans = data->retrans; - args->acregmin = data->acregmin; - args->acregmax = data->acregmax; - args->acdirmin = data->acdirmin; - args->acdirmax = data->acdirmax; - args->nfs_server.protocol = data->proto; - nfs_validate_transport_protocol(args); - if (args->nfs_server.protocol == XPRT_TRANSPORT_UDP) + ctx->flags = data->flags & NFS4_MOUNT_FLAGMASK; + ctx->rsize = data->rsize; + ctx->wsize = data->wsize; + ctx->timeo = data->timeo; + ctx->retrans = data->retrans; + ctx->acregmin = data->acregmin; + ctx->acregmax = data->acregmax; + ctx->acdirmin = data->acdirmin; + ctx->acdirmax = data->acdirmax; + ctx->nfs_server.protocol = data->proto; + nfs_validate_transport_protocol(ctx); + if (ctx->nfs_server.protocol == XPRT_TRANSPORT_UDP) goto out_invalid_transport_udp; break; @@ -1335,67 +1333,67 @@ static int nfs4_validate_mount_data(void *options, int nfs_validate_mount_data(struct file_system_type *fs_type, void *options, - struct nfs_parsed_mount_data *args, + struct nfs_fs_context *ctx, struct nfs_fh *mntfh, const char *dev_name) { if (fs_type == &nfs_fs_type) - return nfs23_validate_mount_data(options, args, mntfh, dev_name); - return nfs4_validate_mount_data(options, args, dev_name); + return nfs23_validate_mount_data(options, ctx, mntfh, dev_name); + return nfs4_validate_mount_data(options, ctx, dev_name); } #else int nfs_validate_mount_data(struct file_system_type *fs_type, void *options, - struct nfs_parsed_mount_data *args, + struct nfs_fs_context *ctx, struct nfs_fh *mntfh, const char *dev_name) { - return nfs23_validate_mount_data(options, args, mntfh, dev_name); + return nfs23_validate_mount_data(options, ctx, mntfh, dev_name); } #endif int nfs_validate_text_mount_data(void *options, - struct nfs_parsed_mount_data *args, + struct nfs_fs_context *ctx, const char *dev_name) { int port = 0; int max_namelen = PAGE_SIZE; int max_pathlen = NFS_MAXPATHLEN; - struct sockaddr *sap = (struct sockaddr *)&args->nfs_server.address; + struct sockaddr *sap = (struct sockaddr *)&ctx->nfs_server.address; - if (nfs_parse_mount_options((char *)options, args) == 0) + if (nfs_parse_mount_options((char *)options, ctx) == 0) return -EINVAL; if (!nfs_verify_server_address(sap)) goto out_no_address; - if (args->version == 4) { + if (ctx->version == 4) { #if IS_ENABLED(CONFIG_NFS_V4) - if (args->nfs_server.protocol == XPRT_TRANSPORT_RDMA) + if (ctx->nfs_server.protocol == XPRT_TRANSPORT_RDMA) port = NFS_RDMA_PORT; else port = NFS_PORT; max_namelen = NFS4_MAXNAMLEN; max_pathlen = NFS4_MAXPATHLEN; - nfs_validate_transport_protocol(args); - if (args->nfs_server.protocol == XPRT_TRANSPORT_UDP) + nfs_validate_transport_protocol(ctx); + if (ctx->nfs_server.protocol == XPRT_TRANSPORT_UDP) goto out_invalid_transport_udp; - nfs4_validate_mount_flags(args); + nfs4_validate_mount_flags(ctx); #else goto out_v4_not_compiled; #endif /* CONFIG_NFS_V4 */ } else { - nfs_set_mount_transport_protocol(args); - if (args->nfs_server.protocol == XPRT_TRANSPORT_RDMA) + nfs_set_mount_transport_protocol(ctx); + if (ctx->nfs_server.protocol == XPRT_TRANSPORT_RDMA) port = NFS_RDMA_PORT; } - nfs_set_port(sap, &args->nfs_server.port, port); + nfs_set_port(sap, &ctx->nfs_server.port, port); return nfs_parse_devname(dev_name, - &args->nfs_server.hostname, + &ctx->nfs_server.hostname, max_namelen, - &args->nfs_server.export_path, + &ctx->nfs_server.export_path, max_pathlen); #if !IS_ENABLED(CONFIG_NFS_V4) diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 28ab31fc5aa6..7131fa150d1b 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -81,7 +81,7 @@ struct nfs_client_initdata { /* * In-kernel mount arguments */ -struct nfs_parsed_mount_data { +struct nfs_fs_context { int flags; unsigned int rsize, wsize; unsigned int timeo, retrans; @@ -138,7 +138,7 @@ struct nfs_mount_request { struct nfs_mount_info { unsigned int inherited_bsize; - struct nfs_parsed_mount_data *parsed; + struct nfs_fs_context *ctx; struct nfs_clone_mount *cloned; struct nfs_server *server; struct nfs_fh *mntfh; @@ -229,16 +229,16 @@ struct nfs_pageio_descriptor; /* mount.c */ #define NFS_TEXT_DATA 1 -extern struct nfs_parsed_mount_data *nfs_alloc_parsed_mount_data(void); -extern void nfs_free_parsed_mount_data(struct nfs_parsed_mount_data *data); -extern int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt); +extern struct nfs_fs_context *nfs_alloc_parsed_mount_data(void); +extern void nfs_free_parsed_mount_data(struct nfs_fs_context *ctx); +extern int nfs_parse_mount_options(char *raw, struct nfs_fs_context *ctx); extern int nfs_validate_mount_data(struct file_system_type *fs_type, void *options, - struct nfs_parsed_mount_data *args, + struct nfs_fs_context *ctx, struct nfs_fh *mntfh, const char *dev_name); extern int nfs_validate_text_mount_data(void *options, - struct nfs_parsed_mount_data *args, + struct nfs_fs_context *ctx, const char *dev_name); /* pagelist.c */ diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index 538fd036b69d..2216d166768b 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -1056,61 +1056,61 @@ static int nfs4_server_common_setup(struct nfs_server *server, * Create a version 4 volume record */ static int nfs4_init_server(struct nfs_server *server, - struct nfs_parsed_mount_data *data) + struct nfs_fs_context *ctx) { struct rpc_timeout timeparms; int error; - nfs_init_timeout_values(&timeparms, data->nfs_server.protocol, - data->timeo, data->retrans); + nfs_init_timeout_values(&timeparms, ctx->nfs_server.protocol, + ctx->timeo, ctx->retrans); /* Initialise the client representation from the mount data */ - server->flags = data->flags; - server->options = data->options; - server->auth_info = data->auth_info; + server->flags = ctx->flags; + server->options = ctx->options; + server->auth_info = ctx->auth_info; /* Use the first specified auth flavor. If this flavor isn't * allowed by the server, use the SECINFO path to try the * other specified flavors */ - if (data->auth_info.flavor_len >= 1) - data->selected_flavor = data->auth_info.flavors[0]; + if (ctx->auth_info.flavor_len >= 1) + ctx->selected_flavor = ctx->auth_info.flavors[0]; else - data->selected_flavor = RPC_AUTH_UNIX; + ctx->selected_flavor = RPC_AUTH_UNIX; /* 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->nfs_server.protocol, + ctx->nfs_server.hostname, + (const struct sockaddr *)&ctx->nfs_server.address, + ctx->nfs_server.addrlen, + ctx->client_address, + ctx->nfs_server.protocol, &timeparms, - data->minorversion, - data->nfs_server.nconnect, - data->net); + ctx->minorversion, + ctx->nfs_server.nconnect, + ctx->net); if (error < 0) return error; - if (data->rsize) - server->rsize = nfs_block_size(data->rsize, NULL); - if (data->wsize) - server->wsize = nfs_block_size(data->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 = data->acregmin * HZ; - server->acregmax = data->acregmax * HZ; - server->acdirmin = data->acdirmin * HZ; - server->acdirmax = data->acdirmax * HZ; - server->port = data->nfs_server.port; + server->acregmin = ctx->acregmin * HZ; + server->acregmax = ctx->acregmax * HZ; + server->acdirmin = ctx->acdirmin * HZ; + server->acdirmax = ctx->acdirmax * HZ; + server->port = ctx->nfs_server.port; return nfs_init_server_rpcclient(server, &timeparms, - data->selected_flavor); + ctx->selected_flavor); } /* * Create a version 4 volume record * - keyed on server and FSID */ -/*struct nfs_server *nfs4_create_server(const struct nfs_parsed_mount_data *data, +/*struct nfs_server *nfs4_create_server(const struct nfs_fs_context *data, struct nfs_fh *mntfh)*/ struct nfs_server *nfs4_create_server(struct nfs_mount_info *mount_info) { @@ -1124,10 +1124,10 @@ struct nfs_server *nfs4_create_server(struct nfs_mount_info *mount_info) server->cred = get_cred(current_cred()); - auth_probe = mount_info->parsed->auth_info.flavor_len < 1; + auth_probe = mount_info->ctx->auth_info.flavor_len < 1; /* set up the general RPC client */ - error = nfs4_init_server(server, mount_info->parsed); + error = nfs4_init_server(server, mount_info->ctx); if (error < 0) goto error; diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c index f1c2d294073a..f931e8f49b05 100644 --- a/fs/nfs/nfs4super.c +++ b/fs/nfs/nfs4super.c @@ -198,15 +198,15 @@ static struct dentry *do_nfs4_mount(struct nfs_server *server, int flags, struct dentry *nfs4_try_mount(int flags, const char *dev_name, struct nfs_mount_info *mount_info) { - struct nfs_parsed_mount_data *data = mount_info->parsed; + struct nfs_fs_context *ctx = mount_info->ctx; struct dentry *res; dfprintk(MOUNT, "--> nfs4_try_mount()\n"); res = do_nfs4_mount(nfs4_create_server(mount_info), flags, mount_info, - data->nfs_server.hostname, - data->nfs_server.export_path); + ctx->nfs_server.hostname, + ctx->nfs_server.export_path); dfprintk(MOUNT, "<-- nfs4_try_mount() = %d%s\n", PTR_ERR_OR_ZERO(res), diff --git a/fs/nfs/super.c b/fs/nfs/super.c index b07585f62c65..83527515590e 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -726,12 +726,13 @@ 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 args->auth_info is supported by - * the server. Returns 0 and sets args->selected_flavor if it's ok, and + * 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 * -EACCES if not. */ -static int nfs_verify_authflavors(struct nfs_parsed_mount_data *args, - rpc_authflavor_t *server_authlist, unsigned int count) +static int nfs_verify_authflavors(struct nfs_fs_context *cfg, + rpc_authflavor_t *server_authlist, + unsigned int count) { rpc_authflavor_t flavor = RPC_AUTH_MAXFLAVOR; bool found_auth_null = false; @@ -752,7 +753,7 @@ static int nfs_verify_authflavors(struct nfs_parsed_mount_data *args, for (i = 0; i < count; i++) { flavor = server_authlist[i]; - if (nfs_auth_info_match(&args->auth_info, flavor)) + if (nfs_auth_info_match(&cfg->auth_info, flavor)) goto out; if (flavor == RPC_AUTH_NULL) @@ -760,7 +761,7 @@ static int nfs_verify_authflavors(struct nfs_parsed_mount_data *args, } if (found_auth_null) { - flavor = args->auth_info.flavors[0]; + flavor = cfg->auth_info.flavors[0]; goto out; } @@ -769,8 +770,8 @@ static int nfs_verify_authflavors(struct nfs_parsed_mount_data *args, return -EACCES; out: - args->selected_flavor = flavor; - dfprintk(MOUNT, "NFS: using auth flavor %u\n", args->selected_flavor); + cfg->selected_flavor = flavor; + dfprintk(MOUNT, "NFS: using auth flavor %u\n", cfg->selected_flavor); return 0; } @@ -778,50 +779,50 @@ static int nfs_verify_authflavors(struct nfs_parsed_mount_data *args, * 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_parsed_mount_data *args, +static int nfs_request_mount(struct nfs_fs_context *cfg, struct nfs_fh *root_fh, rpc_authflavor_t *server_authlist, unsigned int *server_authlist_len) { struct nfs_mount_request request = { .sap = (struct sockaddr *) - &args->mount_server.address, - .dirpath = args->nfs_server.export_path, - .protocol = args->mount_server.protocol, + &cfg->mount_server.address, + .dirpath = cfg->nfs_server.export_path, + .protocol = cfg->mount_server.protocol, .fh = root_fh, - .noresvport = args->flags & NFS_MOUNT_NORESVPORT, + .noresvport = cfg->flags & NFS_MOUNT_NORESVPORT, .auth_flav_len = server_authlist_len, .auth_flavs = server_authlist, - .net = args->net, + .net = cfg->net, }; int status; - if (args->mount_server.version == 0) { - switch (args->version) { + if (cfg->mount_server.version == 0) { + switch (cfg->version) { default: - args->mount_server.version = NFS_MNT3_VERSION; + cfg->mount_server.version = NFS_MNT3_VERSION; break; case 2: - args->mount_server.version = NFS_MNT_VERSION; + cfg->mount_server.version = NFS_MNT_VERSION; } } - request.version = args->mount_server.version; + request.version = cfg->mount_server.version; - if (args->mount_server.hostname) - request.hostname = args->mount_server.hostname; + if (cfg->mount_server.hostname) + request.hostname = cfg->mount_server.hostname; else - request.hostname = args->nfs_server.hostname; + request.hostname = cfg->nfs_server.hostname; /* * Construct the mount server's address. */ - if (args->mount_server.address.ss_family == AF_UNSPEC) { - memcpy(request.sap, &args->nfs_server.address, - args->nfs_server.addrlen); - args->mount_server.addrlen = args->nfs_server.addrlen; + if (cfg->mount_server.address.ss_family == AF_UNSPEC) { + memcpy(request.sap, &cfg->nfs_server.address, + cfg->nfs_server.addrlen); + cfg->mount_server.addrlen = cfg->nfs_server.addrlen; } - request.salen = args->mount_server.addrlen; - nfs_set_port(request.sap, &args->mount_server.port, 0); + request.salen = cfg->mount_server.addrlen; + nfs_set_port(request.sap, &cfg->mount_server.port, 0); /* * Now ask the mount server to map our export path @@ -844,12 +845,12 @@ static struct nfs_server *nfs_try_mount_request(struct nfs_mount_info *mount_inf bool tried_auth_unix = false; bool auth_null_in_list = false; struct nfs_server *server = ERR_PTR(-EACCES); - struct nfs_parsed_mount_data *args = mount_info->parsed; + struct nfs_fs_context *ctx = mount_info->ctx; rpc_authflavor_t authlist[NFS_MAX_SECFLAVORS]; unsigned int authlist_len = ARRAY_SIZE(authlist); struct nfs_subversion *nfs_mod = mount_info->nfs_mod; - status = nfs_request_mount(args, mount_info->mntfh, authlist, + status = nfs_request_mount(ctx, mount_info->mntfh, authlist, &authlist_len); if (status) return ERR_PTR(status); @@ -858,10 +859,10 @@ static struct nfs_server *nfs_try_mount_request(struct nfs_mount_info *mount_inf * Was a sec= authflavor specified in the options? First, verify * whether the server supports it, and then just try to use it if so. */ - if (args->auth_info.flavor_len > 0) { - status = nfs_verify_authflavors(args, authlist, authlist_len); + if (ctx->auth_info.flavor_len > 0) { + status = nfs_verify_authflavors(ctx, authlist, authlist_len); dfprintk(MOUNT, "NFS: using auth flavor %u\n", - args->selected_flavor); + ctx->selected_flavor); if (status) return ERR_PTR(status); return nfs_mod->rpc_ops->create_server(mount_info); @@ -890,7 +891,7 @@ static struct nfs_server *nfs_try_mount_request(struct nfs_mount_info *mount_inf /* Fallthrough */ } dfprintk(MOUNT, "NFS: attempting to use auth flavor %u\n", flavor); - args->selected_flavor = flavor; + ctx->selected_flavor = flavor; server = nfs_mod->rpc_ops->create_server(mount_info); if (!IS_ERR(server)) return server; @@ -906,7 +907,7 @@ static struct nfs_server *nfs_try_mount_request(struct nfs_mount_info *mount_inf /* Last chance! Try AUTH_UNIX */ dfprintk(MOUNT, "NFS: attempting to use auth flavor %u\n", RPC_AUTH_UNIX); - args->selected_flavor = RPC_AUTH_UNIX; + ctx->selected_flavor = RPC_AUTH_UNIX; return nfs_mod->rpc_ops->create_server(mount_info); } @@ -916,7 +917,7 @@ struct dentry *nfs_try_mount(int flags, const char *dev_name, struct nfs_mount_info *mount_info) { struct nfs_subversion *nfs_mod = mount_info->nfs_mod; - if (mount_info->parsed->need_mount) + if (mount_info->ctx->need_mount) mount_info->server = nfs_try_mount_request(mount_info); else mount_info->server = nfs_mod->rpc_ops->create_server(mount_info); @@ -940,24 +941,24 @@ EXPORT_SYMBOL_GPL(nfs_try_mount); static int nfs_compare_remount_data(struct nfs_server *nfss, - struct nfs_parsed_mount_data *data) + struct nfs_fs_context *ctx) { - if ((data->flags ^ nfss->flags) & NFS_REMOUNT_CMP_FLAGMASK || - data->rsize != nfss->rsize || - data->wsize != nfss->wsize || - data->version != nfss->nfs_client->rpc_ops->version || - data->minorversion != nfss->nfs_client->cl_minorversion || - data->retrans != nfss->client->cl_timeout->to_retries || - !nfs_auth_info_match(&data->auth_info, nfss->client->cl_auth->au_flavor) || - data->acregmin != nfss->acregmin / HZ || - data->acregmax != nfss->acregmax / HZ || - data->acdirmin != nfss->acdirmin / HZ || - data->acdirmax != nfss->acdirmax / HZ || - data->timeo != (10U * nfss->client->cl_timeout->to_initval / HZ) || - (data->options & NFS_OPTION_FSCACHE) != (nfss->options & NFS_OPTION_FSCACHE) || - data->nfs_server.port != nfss->port || - data->nfs_server.addrlen != nfss->nfs_client->cl_addrlen || - !rpc_cmp_addr((struct sockaddr *)&data->nfs_server.address, + if ((ctx->flags ^ nfss->flags) & NFS_REMOUNT_CMP_FLAGMASK || + ctx->rsize != nfss->rsize || + ctx->wsize != nfss->wsize || + ctx->version != nfss->nfs_client->rpc_ops->version || + ctx->minorversion != nfss->nfs_client->cl_minorversion || + ctx->retrans != nfss->client->cl_timeout->to_retries || + !nfs_auth_info_match(&ctx->auth_info, nfss->client->cl_auth->au_flavor) || + ctx->acregmin != nfss->acregmin / HZ || + ctx->acregmax != nfss->acregmax / HZ || + ctx->acdirmin != nfss->acdirmin / HZ || + ctx->acdirmax != nfss->acdirmax / HZ || + ctx->timeo != (10U * nfss->client->cl_timeout->to_initval / HZ) || + (ctx->options & NFS_OPTION_FSCACHE) != (nfss->options & NFS_OPTION_FSCACHE) || + ctx->nfs_server.port != nfss->port || + ctx->nfs_server.addrlen != nfss->nfs_client->cl_addrlen || + !rpc_cmp_addr((struct sockaddr *)&ctx->nfs_server.address, (struct sockaddr *)&nfss->nfs_client->cl_addr)) return -EINVAL; @@ -969,7 +970,7 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data) { int error; struct nfs_server *nfss = sb->s_fs_info; - struct nfs_parsed_mount_data *data; + struct nfs_fs_context *ctx; struct nfs_mount_data *options = (struct nfs_mount_data *)raw_data; struct nfs4_mount_data *options4 = (struct nfs4_mount_data *)raw_data; u32 nfsvers = nfss->nfs_client->rpc_ops->version; @@ -987,32 +988,32 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data) options->version <= 6)))) return 0; - data = nfs_alloc_parsed_mount_data(); - if (data == NULL) + ctx = nfs_alloc_parsed_mount_data(); + if (ctx == NULL) return -ENOMEM; /* fill out struct with values from existing mount */ - data->flags = nfss->flags; - data->rsize = nfss->rsize; - data->wsize = nfss->wsize; - data->retrans = nfss->client->cl_timeout->to_retries; - data->selected_flavor = nfss->client->cl_auth->au_flavor; - data->acregmin = nfss->acregmin / HZ; - data->acregmax = nfss->acregmax / HZ; - data->acdirmin = nfss->acdirmin / HZ; - data->acdirmax = nfss->acdirmax / HZ; - data->timeo = 10U * nfss->client->cl_timeout->to_initval / HZ; - data->nfs_server.port = nfss->port; - data->nfs_server.addrlen = nfss->nfs_client->cl_addrlen; - data->version = nfsvers; - data->minorversion = nfss->nfs_client->cl_minorversion; - data->net = current->nsproxy->net_ns; - memcpy(&data->nfs_server.address, &nfss->nfs_client->cl_addr, - data->nfs_server.addrlen); + ctx->flags = nfss->flags; + ctx->rsize = nfss->rsize; + ctx->wsize = nfss->wsize; + ctx->retrans = nfss->client->cl_timeout->to_retries; + ctx->selected_flavor = nfss->client->cl_auth->au_flavor; + ctx->acregmin = nfss->acregmin / HZ; + ctx->acregmax = nfss->acregmax / HZ; + ctx->acdirmin = nfss->acdirmin / HZ; + ctx->acdirmax = nfss->acdirmax / HZ; + ctx->timeo = 10U * nfss->client->cl_timeout->to_initval / HZ; + ctx->nfs_server.port = nfss->port; + ctx->nfs_server.addrlen = nfss->nfs_client->cl_addrlen; + ctx->version = nfsvers; + ctx->minorversion = nfss->nfs_client->cl_minorversion; + ctx->net = current->nsproxy->net_ns; + memcpy(&ctx->nfs_server.address, &nfss->nfs_client->cl_addr, + ctx->nfs_server.addrlen); /* overwrite those values with any that were specified */ error = -EINVAL; - if (!nfs_parse_mount_options((char *)options, data)) + if (!nfs_parse_mount_options((char *)options, ctx)) goto out; /* @@ -1021,15 +1022,15 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data) * will clear SB_SYNCHRONOUS if -o sync wasn't specified in the * remount options, so we have to explicitly reset it. */ - if (data->flags & NFS_MOUNT_NOAC) + if (ctx->flags & NFS_MOUNT_NOAC) *flags |= SB_SYNCHRONOUS; /* compare new mount options with old ones */ - error = nfs_compare_remount_data(nfss, data); + error = nfs_compare_remount_data(nfss, ctx); if (!error) - error = security_sb_remount(sb, data->lsm_opts); + error = security_sb_remount(sb, ctx->lsm_opts); out: - nfs_free_parsed_mount_data(data); + nfs_free_parsed_mount_data(ctx); return error; } EXPORT_SYMBOL_GPL(nfs_remount); @@ -1039,15 +1040,15 @@ EXPORT_SYMBOL_GPL(nfs_remount); */ static void nfs_fill_super(struct super_block *sb, struct nfs_mount_info *mount_info) { - struct nfs_parsed_mount_data *data = mount_info->parsed; + struct nfs_fs_context *ctx = mount_info->ctx; struct nfs_server *server = NFS_SB(sb); sb->s_blocksize_bits = 0; sb->s_blocksize = 0; sb->s_xattr = server->nfs_client->cl_nfs_mod->xattr; sb->s_op = server->nfs_client->cl_nfs_mod->sops; - if (data && data->bsize) - sb->s_blocksize = nfs_block_size(data->bsize, &sb->s_blocksize_bits); + if (ctx && ctx->bsize) + sb->s_blocksize = nfs_block_size(ctx->bsize, &sb->s_blocksize_bits); if (server->nfs_client->rpc_ops->version != 2) { /* The VFS shouldn't apply the umask to mode bits. We will do @@ -1208,7 +1209,7 @@ static int nfs_compare_super(struct super_block *sb, void *data) #ifdef CONFIG_NFS_FSCACHE static void nfs_get_cache_cookie(struct super_block *sb, - struct nfs_parsed_mount_data *parsed, + struct nfs_fs_context *ctx, struct nfs_clone_mount *cloned) { struct nfs_server *nfss = NFS_SB(sb); @@ -1218,12 +1219,12 @@ static void nfs_get_cache_cookie(struct super_block *sb, nfss->fscache_key = NULL; nfss->fscache = NULL; - if (parsed) { - if (!(parsed->options & NFS_OPTION_FSCACHE)) + if (ctx) { + if (!(ctx->options & NFS_OPTION_FSCACHE)) return; - if (parsed->fscache_uniq) { - uniq = parsed->fscache_uniq; - ulen = strlen(parsed->fscache_uniq); + if (ctx->fscache_uniq) { + uniq = ctx->fscache_uniq; + ulen = strlen(ctx->fscache_uniq); } } else if (cloned) { struct nfs_server *mnt_s = NFS_SB(cloned->sb); @@ -1240,7 +1241,7 @@ static void nfs_get_cache_cookie(struct super_block *sb, } #else static void nfs_get_cache_cookie(struct super_block *sb, - struct nfs_parsed_mount_data *parsed, + struct nfs_fs_context *parsed, struct nfs_clone_mount *cloned) { } @@ -1312,7 +1313,7 @@ static struct dentry *nfs_fs_mount_common(int flags, const char *dev_name, s->s_blocksize_bits = bsize; s->s_blocksize = 1U << bsize; } - nfs_get_cache_cookie(s, mount_info->parsed, mount_info->cloned); + nfs_get_cache_cookie(s, mount_info->ctx, mount_info->cloned); if (!(server->flags & NFS_MOUNT_UNSHARED)) s->s_iflags |= SB_I_MULTIROOT; } @@ -1333,7 +1334,7 @@ static struct dentry *nfs_fs_mount_common(int flags, const char *dev_name, error = security_sb_clone_mnt_opts(mount_info->cloned->sb, s, kflags, &kflags_out); } else { - error = security_sb_set_mnt_opts(s, mount_info->parsed->lsm_opts, + error = security_sb_set_mnt_opts(s, mount_info->ctx->lsm_opts, kflags, &kflags_out); } if (error) @@ -1370,21 +1371,22 @@ struct dentry *nfs_fs_mount(struct file_system_type *fs_type, struct nfs_subversion *nfs_mod; int error; - mount_info.parsed = nfs_alloc_parsed_mount_data(); + mount_info.ctx = nfs_alloc_parsed_mount_data(); mount_info.mntfh = nfs_alloc_fhandle(); - if (mount_info.parsed == NULL || mount_info.mntfh == NULL) + if (mount_info.ctx == NULL || mount_info.mntfh == NULL) goto out; /* Validate the mount data */ - error = nfs_validate_mount_data(fs_type, raw_data, mount_info.parsed, mount_info.mntfh, dev_name); + error = nfs_validate_mount_data(fs_type, raw_data, mount_info.ctx, mount_info.mntfh, dev_name); if (error == NFS_TEXT_DATA) - error = nfs_validate_text_mount_data(raw_data, mount_info.parsed, dev_name); + error = nfs_validate_text_mount_data(raw_data, + mount_info.ctx, dev_name); if (error < 0) { mntroot = ERR_PTR(error); goto out; } - nfs_mod = get_nfs_version(mount_info.parsed->version); + nfs_mod = get_nfs_version(mount_info.ctx->version); if (IS_ERR(nfs_mod)) { mntroot = ERR_CAST(nfs_mod); goto out; @@ -1395,7 +1397,7 @@ struct dentry *nfs_fs_mount(struct file_system_type *fs_type, put_nfs_version(nfs_mod); out: - nfs_free_parsed_mount_data(mount_info.parsed); + nfs_free_parsed_mount_data(mount_info.ctx); nfs_free_fhandle(mount_info.mntfh); return mntroot; }