diff options
Diffstat (limited to 'fs/nfs/super.c')
| -rw-r--r-- | fs/nfs/super.c | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index db0952de67d..c69c8064011 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -290,6 +290,9 @@ static int nfs_show_options(struct seq_file *, struct dentry *); static int nfs_show_devname(struct seq_file *, struct dentry *); static int nfs_show_path(struct seq_file *, struct dentry *); static int nfs_show_stats(struct seq_file *, struct dentry *); +static struct dentry *nfs_fs_mount_common(struct file_system_type *, + struct nfs_server *, int, const char *, struct nfs_fh *, + struct nfs_mount_info *); static struct dentry *nfs_fs_mount(struct file_system_type *, int, const char *, void *); static struct dentry *nfs_xdev_mount(struct file_system_type *fs_type, @@ -1680,8 +1683,8 @@ static int nfs_walk_authlist(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_try_mount(struct nfs_parsed_mount_data *args, - struct nfs_fh *root_fh) +static int nfs_request_mount(struct nfs_parsed_mount_data *args, + struct nfs_fh *root_fh) { rpc_authflavor_t server_authlist[NFS_MAX_SECFLAVORS]; unsigned int server_authlist_len = ARRAY_SIZE(server_authlist); @@ -1744,6 +1747,25 @@ static int nfs_try_mount(struct nfs_parsed_mount_data *args, return nfs_walk_authlist(args, &request); } +static struct dentry *nfs_try_mount(int flags, const char *dev_name, + struct nfs_fh *mntfh, + struct nfs_mount_info *mount_info) +{ + int status; + struct nfs_server *server; + + status = nfs_request_mount(mount_info->parsed, mntfh); + if (status) + return ERR_PTR(status); + + /* Get a volume representation */ + server = nfs_create_server(mount_info->parsed, mntfh); + if (IS_ERR(server)) + return ERR_CAST(server); + + return nfs_fs_mount_common(&nfs_fs_type, server, flags, dev_name, mntfh, mount_info); +} + /* * Split "dev_name" into "hostname:export_path". * @@ -1966,11 +1988,6 @@ static int nfs_validate_mount_data(void *options, PAGE_SIZE, &args->nfs_server.export_path, NFS_MAXPATHLEN); - if (!status) - status = nfs_try_mount(args, mntfh); - - kfree(args->nfs_server.export_path); - args->nfs_server.export_path = NULL; if (status) return status; @@ -2405,7 +2422,6 @@ error_splat_bdi: static struct dentry *nfs_fs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *raw_data) { - struct nfs_server *server; struct nfs_parsed_mount_data *data = NULL; struct nfs_mount_info mount_info = { .fill_super = nfs_fill_super, @@ -2429,20 +2445,12 @@ static struct dentry *nfs_fs_mount(struct file_system_type *fs_type, mount_info.parsed = data; #ifdef CONFIG_NFS_V4 - if (data->version == 4) { + if (data->version == 4) mntroot = nfs4_try_mount(flags, dev_name, data); - goto out; - } + else #endif /* CONFIG_NFS_V4 */ + mntroot = nfs_try_mount(flags, dev_name, mntfh, &mount_info); - /* Get a volume representation */ - server = nfs_create_server(data, mntfh); - if (IS_ERR(server)) { - mntroot = ERR_CAST(server); - goto out; - } - - mntroot = nfs_fs_mount_common(fs_type, server, flags, dev_name, mntfh, &mount_info); out: nfs_free_parsed_mount_data(data); nfs_free_fhandle(mntfh); |