int showdefaults)
{
struct sockaddr *sap = (struct sockaddr *) &nfss->mountd_address;
+ char *proto = NULL;
- seq_printf(m, ",mountproto=");
switch (sap->sa_family) {
case AF_INET:
switch (nfss->mountd_protocol) {
case IPPROTO_UDP:
- seq_printf(m, RPCBIND_NETID_UDP);
+ proto = RPCBIND_NETID_UDP;
break;
case IPPROTO_TCP:
- seq_printf(m, RPCBIND_NETID_TCP);
+ proto = RPCBIND_NETID_TCP;
break;
- default:
- if (showdefaults)
- seq_printf(m, "auto");
}
break;
case AF_INET6:
switch (nfss->mountd_protocol) {
case IPPROTO_UDP:
- seq_printf(m, RPCBIND_NETID_UDP6);
+ proto = RPCBIND_NETID_UDP6;
break;
case IPPROTO_TCP:
- seq_printf(m, RPCBIND_NETID_TCP6);
+ proto = RPCBIND_NETID_TCP6;
break;
- default:
- if (showdefaults)
- seq_printf(m, "auto");
}
break;
- default:
- if (showdefaults)
- seq_printf(m, "auto");
}
+ if (proto || showdefaults)
+ seq_printf(m, ",mountproto=%s", proto ?: "auto");
}
static void nfs_show_mountd_options(struct seq_file *m, struct nfs_server *nfss,
sb->s_blocksize = nfs_block_bits(server->wsize,
&sb->s_blocksize_bits);
- sb->s_bdi = &server->backing_dev_info;
-
nfs_super_set_maxbytes(sb, server->maxfilesize);
}
/*
* Finish setting up an NFS2/3 superblock
*/
-void nfs_fill_super(struct super_block *sb, struct nfs_mount_info *mount_info)
+int nfs_fill_super(struct super_block *sb, struct nfs_mount_info *mount_info)
{
struct nfs_parsed_mount_data *data = mount_info->parsed;
struct nfs_server *server = NFS_SB(sb);
+ int ret;
sb->s_blocksize_bits = 0;
sb->s_blocksize = 0;
}
nfs_initialise_sb(sb);
+
+ ret = super_setup_bdi_name(sb, "%u:%u", MAJOR(server->s_dev),
+ MINOR(server->s_dev));
+ if (ret)
+ return ret;
+ sb->s_bdi->ra_pages = server->rpages * NFS_MAX_READAHEAD;
+ return 0;
+
}
EXPORT_SYMBOL_GPL(nfs_fill_super);
/*
* Finish setting up a cloned NFS2/3/4 superblock
*/
-void nfs_clone_super(struct super_block *sb, struct nfs_mount_info *mount_info)
+int nfs_clone_super(struct super_block *sb, struct nfs_mount_info *mount_info)
{
const struct super_block *old_sb = mount_info->cloned->sb;
struct nfs_server *server = NFS_SB(sb);
}
nfs_initialise_sb(sb);
+
+ sb->s_bdi = bdi_get(old_sb->s_bdi);
+ sb->s_iflags |= SB_I_DYNBDI;
+
+ return 0;
}
static int nfs_compare_mount_options(const struct super_block *s, const struct nfs_server *b, int flags)
}
#endif
-static int nfs_bdi_register(struct nfs_server *server)
-{
- return bdi_register_dev(&server->backing_dev_info, server->s_dev);
-}
-
int nfs_set_sb_security(struct super_block *s, struct dentry *mntroot,
struct nfs_mount_info *mount_info)
{
nfs_free_server(server);
server = NULL;
} else {
- error = nfs_bdi_register(server);
- if (error) {
- mntroot = ERR_PTR(error);
- goto error_splat_super;
- }
server->super = s;
}
if (!s->s_root) {
/* initial superblock/root creation */
- mount_info->fill_super(s, mount_info);
+ error = mount_info->fill_super(s, mount_info);
+ if (error)
+ goto error_splat_super;
nfs_get_cache_cookie(s, mount_info->parsed, mount_info->cloned);
}