diff options
Diffstat (limited to 'fs/nfs/super.c')
-rw-r--r-- | fs/nfs/super.c | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 90be551b80c1..c0173a8531e2 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -241,6 +241,7 @@ static int nfs_show_stats(struct seq_file *, struct vfsmount *); static int nfs_get_sb(struct file_system_type *, int, const char *, void *, struct vfsmount *); static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *raw_data, struct vfsmount *mnt); +static void nfs_put_super(struct super_block *); static void nfs_kill_super(struct super_block *); static int nfs_remount(struct super_block *sb, int *flags, char *raw_data); @@ -264,6 +265,7 @@ static const struct super_operations nfs_sops = { .alloc_inode = nfs_alloc_inode, .destroy_inode = nfs_destroy_inode, .write_inode = nfs_write_inode, + .put_super = nfs_put_super, .statfs = nfs_statfs, .clear_inode = nfs_clear_inode, .umount_begin = nfs_umount_begin, @@ -333,6 +335,7 @@ static const struct super_operations nfs4_sops = { .alloc_inode = nfs_alloc_inode, .destroy_inode = nfs_destroy_inode, .write_inode = nfs_write_inode, + .put_super = nfs_put_super, .statfs = nfs_statfs, .clear_inode = nfs4_clear_inode, .umount_begin = nfs_umount_begin, @@ -531,6 +534,22 @@ static void nfs_show_mountd_options(struct seq_file *m, struct nfs_server *nfss, } } +#ifdef CONFIG_NFS_V4 +static void nfs_show_nfsv4_options(struct seq_file *m, struct nfs_server *nfss, + int showdefaults) +{ + struct nfs_client *clp = nfss->nfs_client; + + seq_printf(m, ",clientaddr=%s", clp->cl_ipaddr); + seq_printf(m, ",minorversion=%u", clp->cl_minorversion); +} +#else +static void nfs_show_nfsv4_options(struct seq_file *m, struct nfs_server *nfss, + int showdefaults) +{ +} +#endif + /* * Describe the mount options in force on this server representation */ @@ -592,13 +611,18 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, if (version != 4) nfs_show_mountd_options(m, nfss, showdefaults); + else + nfs_show_nfsv4_options(m, nfss, showdefaults); -#ifdef CONFIG_NFS_V4 - if (clp->rpc_ops->version == 4) - seq_printf(m, ",clientaddr=%s", clp->cl_ipaddr); -#endif if (nfss->options & NFS_OPTION_FSCACHE) seq_printf(m, ",fsc"); + + if (nfss->flags & NFS_MOUNT_LOOKUP_CACHE_NONEG) { + if (nfss->flags & NFS_MOUNT_LOOKUP_CACHE_NONE) + seq_printf(m, ",lookupcache=none"); + else + seq_printf(m, ",lookupcache=pos"); + } } /* @@ -734,8 +758,6 @@ static struct nfs_parsed_mount_data *nfs_alloc_parsed_mount_data(unsigned int ve data = kzalloc(sizeof(*data), GFP_KERNEL); if (data) { - data->rsize = NFS_MAX_FILE_IO_SIZE; - data->wsize = NFS_MAX_FILE_IO_SIZE; data->acregmin = NFS_DEF_ACREGMIN; data->acregmax = NFS_DEF_ACREGMAX; data->acdirmin = NFS_DEF_ACDIRMIN; @@ -2198,6 +2220,17 @@ error_splat_super: } /* + * Ensure that we unregister the bdi before kill_anon_super + * releases the device name + */ +static void nfs_put_super(struct super_block *s) +{ + struct nfs_server *server = NFS_SB(s); + + bdi_unregister(&server->backing_dev_info); +} + +/* * Destroy an NFS2/3 superblock */ static void nfs_kill_super(struct super_block *s) @@ -2205,7 +2238,6 @@ static void nfs_kill_super(struct super_block *s) struct nfs_server *server = NFS_SB(s); kill_anon_super(s); - bdi_unregister(&server->backing_dev_info); nfs_fscache_release_super_cookie(s); nfs_free_server(server); } |