From: David Howells Date: Wed, 23 Aug 2006 00:06:12 +0000 (-0400) Subject: NFS: Move rpc_ops from nfs_server to nfs_client X-Git-Tag: v2.6.19-rc1~1271^2~56 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8fa5c000d7f986ef9cdc6d95f9f7fcee20e0a7d6;p=linux-2.6 NFS: Move rpc_ops from nfs_server to nfs_client Move the rpc_ops from the nfs_server struct to the nfs_client struct as they're common to all server records of a particular NFS protocol version. Signed-Off-By: David Howells Signed-off-by: Trond Myklebust --- diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 067d144d14..1936271245 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1147,7 +1147,7 @@ int nfs_instantiate(struct dentry *dentry, struct nfs_fh *fhandle, } if (!(fattr->valid & NFS_ATTR_FATTR)) { struct nfs_server *server = NFS_SB(dentry->d_sb); - error = server->rpc_ops->getattr(server, fhandle, fattr); + error = server->nfs_client->rpc_ops->getattr(server, fhandle, fattr); if (error < 0) goto out_err; } diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 6ed018c9aa..771c3b8337 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -237,13 +237,13 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr) /* Why so? Because we want revalidate for devices/FIFOs, and * that's precisely what we have in nfs_file_inode_operations. */ - inode->i_op = NFS_SB(sb)->rpc_ops->file_inode_ops; + inode->i_op = NFS_SB(sb)->nfs_client->rpc_ops->file_inode_ops; if (S_ISREG(inode->i_mode)) { inode->i_fop = &nfs_file_operations; inode->i_data.a_ops = &nfs_file_aops; inode->i_data.backing_dev_info = &NFS_SB(sb)->backing_dev_info; } else if (S_ISDIR(inode->i_mode)) { - inode->i_op = NFS_SB(sb)->rpc_ops->dir_inode_ops; + inode->i_op = NFS_SB(sb)->nfs_client->rpc_ops->dir_inode_ops; inode->i_fop = &nfs_dir_operations; if (nfs_server_capable(inode, NFS_CAP_READDIRPLUS) && fattr->size <= NFS_LIMIT_READDIRPLUS) diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index 85d9ed1dcf..d8b8d56266 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -104,7 +104,9 @@ static void * nfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd) goto out_follow; /* Look it up again */ parent = dget_parent(nd->dentry); - err = server->rpc_ops->lookup(parent->d_inode, &nd->dentry->d_name, &fh, &fattr); + err = server->nfs_client->rpc_ops->lookup(parent->d_inode, + &nd->dentry->d_name, + &fh, &fattr); dput(parent); if (err != 0) goto out_err; @@ -178,7 +180,7 @@ static struct vfsmount *nfs_do_clone_mount(struct nfs_server *server, { #ifdef CONFIG_NFS_V4 struct vfsmount *mnt = NULL; - switch (server->rpc_ops->version) { + switch (server->nfs_client->cl_nfsversion) { case 2: case 3: mnt = vfs_kern_mount(&clone_nfs_fs_type, 0, devname, mountdata); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index b731b19452..1573eeb07c 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -758,7 +758,7 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) } nfs_confirm_seqid(&data->owner->so_seqid, 0); if (!(o_res->f_attr->valid & NFS_ATTR_FATTR)) - return server->rpc_ops->getattr(server, &o_res->fh, o_res->f_attr); + return server->nfs_client->rpc_ops->getattr(server, &o_res->fh, o_res->f_attr); return 0; } diff --git a/fs/nfs/super.c b/fs/nfs/super.c index d1b4a5b36e..e1e5eab025 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -252,7 +252,7 @@ static int nfs_statfs(struct dentry *dentry, struct kstatfs *buf) lock_kernel(); - error = server->rpc_ops->statfs(server, fh, &res); + error = server->nfs_client->rpc_ops->statfs(server, fh, &res); buf->f_type = NFS_SUPER_MAGIC; if (error < 0) goto out_err; @@ -343,10 +343,11 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, { 0, NULL, NULL } }; const struct proc_nfs_info *nfs_infop; + struct nfs_client *clp = nfss->nfs_client; char buf[12]; const char *proto; - seq_printf(m, ",vers=%d", nfss->rpc_ops->version); + seq_printf(m, ",vers=%d", clp->rpc_ops->version); seq_printf(m, ",rsize=%d", nfss->rsize); seq_printf(m, ",wsize=%d", nfss->wsize); if (nfss->acregmin != 3*HZ || showdefaults) @@ -427,7 +428,7 @@ static int nfs_show_stats(struct seq_file *m, struct vfsmount *mnt) seq_printf(m, ",namelen=%d", nfss->namelen); #ifdef CONFIG_NFS_V4 - if (nfss->rpc_ops->version == 4) { + if (nfss->nfs_client->cl_nfsversion == 4) { seq_printf(m, "\n\tnfsv4:\t"); seq_printf(m, "bm0=0x%x", nfss->attr_bitmask[0]); seq_printf(m, ",bm1=0x%x", nfss->attr_bitmask[1]); @@ -503,7 +504,7 @@ nfs_get_root(struct super_block *sb, struct nfs_fh *rootfh, struct nfs_fsinfo *f struct nfs_server *server = NFS_SB(sb); int error; - error = server->rpc_ops->getroot(server, rootfh, fsinfo); + error = server->nfs_client->rpc_ops->getroot(server, rootfh, fsinfo); if (error < 0) { dprintk("nfs_get_root: getattr error = %d\n", -error); return ERR_PTR(error); @@ -553,14 +554,14 @@ nfs_sb_init(struct super_block *sb, rpc_authflavor_t authflavor) no_root_error = -ENOMEM; goto out_no_root; } - sb->s_root->d_op = server->rpc_ops->dentry_ops; + sb->s_root->d_op = server->nfs_client->rpc_ops->dentry_ops; /* mount time stamp, in seconds */ server->mount_time = jiffies; /* Get some general file system info */ if (server->namelen == 0 && - server->rpc_ops->pathconf(server, &server->fh, &pathinfo) >= 0) + server->nfs_client->rpc_ops->pathconf(server, &server->fh, &pathinfo) >= 0) server->namelen = pathinfo.max_namelen; /* Work out a lot of parameters */ if (server->rsize == 0) @@ -663,9 +664,14 @@ nfs_create_client(struct nfs_server *server, const struct nfs_mount_data *data) struct rpc_xprt *xprt = NULL; struct rpc_clnt *clnt = NULL; int proto = (data->flags & NFS_MOUNT_TCP) ? IPPROTO_TCP : IPPROTO_UDP; + int nfsversion = 2; - clp = nfs_get_client(server->hostname, &server->addr, - server->rpc_ops->version); +#ifdef CONFIG_NFS_V3 + if (server->flags & NFS_MOUNT_VER3) + nfsversion = 3; +#endif + + clp = nfs_get_client(server->hostname, &server->addr, nfsversion); if (!clp) { dprintk("%s: failed to create NFS4 client.\n", __FUNCTION__); return ERR_PTR(PTR_ERR(clp)); @@ -676,6 +682,19 @@ nfs_create_client(struct nfs_server *server, const struct nfs_mount_data *data) server->retrans_timeo = timeparms.to_initval; server->retrans_count = timeparms.to_retries; + /* Check NFS protocol revision and initialize RPC op vector + * and file handle pool. */ +#ifdef CONFIG_NFS_V3 + if (nfsversion == 3) { + clp->rpc_ops = &nfs_v3_clientops; + server->caps |= NFS_CAP_READDIRPLUS; + } else { + clp->rpc_ops = &nfs_v2_clientops; + } +#else + clp->rpc_ops = &nfs_v2_clientops; +#endif + /* create transport and client */ xprt = xprt_create_proto(proto, &server->addr, &timeparms); if (IS_ERR(xprt)) { @@ -686,7 +705,7 @@ nfs_create_client(struct nfs_server *server, const struct nfs_mount_data *data) return (struct rpc_clnt *)xprt; } clnt = rpc_create_client(xprt, server->hostname, &nfs_program, - server->rpc_ops->version, data->pseudoflavor); + clp->cl_nfsversion, data->pseudoflavor); if (IS_ERR(clnt)) { dprintk("%s: cannot create RPC client. Error = %ld\n", __FUNCTION__, PTR_ERR(xprt)); @@ -750,7 +769,7 @@ static struct nfs_server *nfs_clone_server(struct super_block *sb, struct nfs_cl fsinfo.fattr = data->fattr; if (NFS_PROTO(root_inode)->fsinfo(server, data->fh, &fsinfo) == 0) nfs_super_set_maxbytes(sb, fsinfo.maxfilesize); - sb->s_root->d_op = server->rpc_ops->dentry_ops; + sb->s_root->d_op = server->nfs_client->rpc_ops->dentry_ops; sb->s_flags |= MS_ACTIVE; return server; out_put_root: @@ -865,19 +884,6 @@ nfs_fill_super(struct super_block *sb, struct nfs_mount_data *data, int silent) return -ENOMEM; strcpy(server->hostname, data->hostname); - /* Check NFS protocol revision and initialize RPC op vector - * and file handle pool. */ -#ifdef CONFIG_NFS_V3 - if (server->flags & NFS_MOUNT_VER3) { - server->rpc_ops = &nfs_v3_clientops; - server->caps |= NFS_CAP_READDIRPLUS; - } else { - server->rpc_ops = &nfs_v2_clientops; - } -#else - server->rpc_ops = &nfs_v2_clientops; -#endif - /* Fill in pseudoflavor for mount version < 5 */ if (!(data->flags & NFS_MOUNT_SECFLAVOUR)) data->pseudoflavor = RPC_AUTH_UNIX; @@ -888,6 +894,7 @@ nfs_fill_super(struct super_block *sb, struct nfs_mount_data *data, int silent) server->client = nfs_create_client(server, data); if (IS_ERR(server->client)) return PTR_ERR(server->client); + /* RFC 2623, sec 2.3.2 */ if (authflavor != RPC_AUTH_UNIX) { struct rpc_auth *auth; @@ -1129,6 +1136,8 @@ static struct rpc_clnt *nfs4_create_client(struct nfs_server *server, /* Now create transport and client */ if (clp->cl_cons_state == NFS_CS_INITING) { + clp->rpc_ops = &nfs_v4_clientops; + xprt = xprt_create_proto(proto, &server->addr, timeparms); if (IS_ERR(xprt)) { err = PTR_ERR(xprt); @@ -1139,7 +1148,7 @@ static struct rpc_clnt *nfs4_create_client(struct nfs_server *server, /* Bind to a reserved port! */ xprt->resvport = 1; clnt = rpc_create_client(xprt, server->hostname, &nfs_program, - server->rpc_ops->version, flavor); + clp->cl_nfsversion, flavor); if (IS_ERR(clnt)) { err = PTR_ERR(clnt); dprintk("%s: cannot create RPC client. Error = %d\n", @@ -1215,8 +1224,6 @@ static int nfs4_fill_super(struct super_block *sb, struct nfs4_mount_data *data, server->acdirmin = data->acdirmin*HZ; server->acdirmax = data->acdirmax*HZ; - server->rpc_ops = &nfs_v4_clientops; - nfs_init_timeout_values(&timeparms, data->proto, data->timeo, data->retrans); server->retrans_timeo = timeparms.to_initval; diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 70e1dc9162..51e9bd90de 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -215,7 +215,7 @@ static inline struct nfs_inode *NFS_I(struct inode *inode) #define NFS_FH(inode) (&NFS_I(inode)->fh) #define NFS_SERVER(inode) (NFS_SB(inode->i_sb)) #define NFS_CLIENT(inode) (NFS_SERVER(inode)->client) -#define NFS_PROTO(inode) (NFS_SERVER(inode)->rpc_ops) +#define NFS_PROTO(inode) (NFS_SERVER(inode)->nfs_client->rpc_ops) #define NFS_ADDR(inode) (RPC_PEERADDR(NFS_CLIENT(inode))) #define NFS_COOKIEVERF(inode) (NFS_I(inode)->cookieverf) #define NFS_READTIME(inode) (NFS_I(inode)->read_cache_jiffies) diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index e7d7662f51..aae7c11759 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -25,6 +25,7 @@ struct nfs_client { struct list_head cl_superblocks; /* List of nfs_server structs */ struct rpc_clnt * cl_rpcclient; + const struct nfs_rpc_ops *rpc_ops; /* NFS protocol vector */ #ifdef CONFIG_NFS_V4 u64 cl_clientid; /* constant */ @@ -74,7 +75,6 @@ struct nfs_server { struct rpc_clnt * client; /* RPC client handle */ struct rpc_clnt * client_sys; /* 2nd handle for FSINFO */ struct rpc_clnt * client_acl; /* ACL RPC client handle */ - const struct nfs_rpc_ops *rpc_ops; /* NFS protocol vector */ struct nfs_iostats * io_stats; /* I/O statistics */ struct backing_dev_info backing_dev_info; int flags; /* various flags */