static int bpf_fill_super(struct super_block *sb, void *data, int silent)
{
static struct tree_descr bpf_rfiles[] = { { "" } };
struct bpf_mount_opts opts;
struct inode *inode;
int ret;
save_mount_options(sb, data);
ret = bpf_parse_options(data, &opts);
if (ret)
return ret;
ret = simple_fill_super(sb, BPF_FS_MAGIC, bpf_rfiles);
if (ret)
return ret;
sb->s_op = &bpf_super_ops;
inode = sb->s_root->d_inode;
inode->i_op = &bpf_dir_iops;
inode->i_mode &= ~S_IALLUGO;
inode->i_mode |= S_ISVTX | opts.mode;
return 0;
}
static int debug_fill_super(struct super_block *sb, void *data, int silent)
{
static struct tree_descr debug_files[] = {{""}};
struct debugfs_fs_info *fsi;
int err;
save_mount_options(sb, data);
fsi = kzalloc(sizeof(struct debugfs_fs_info), GFP_KERNEL);
sb->s_fs_info = fsi;
if (!fsi) {
err = -ENOMEM;
goto fail;
}
err = debugfs_parse_options(data, &fsi->mount_opts);
if (err)
goto fail;
err = simple_fill_super(sb, DEBUGFS_MAGIC, debug_files);
if (err)
goto fail;
sb->s_op = &debugfs_super_operations;
debugfs_apply_options(sb);
return 0;
fail:
kfree(fsi);
sb->s_fs_info = NULL;
return err;
}
static int bpf_fill_super(struct super_block *sb, void *data, int silent)
{
static struct tree_descr bpf_rfiles[] = { { "" } };
struct inode *inode;
int ret;
ret = simple_fill_super(sb, BPF_FS_MAGIC, bpf_rfiles);
if (ret)
return ret;
sb->s_op = &bpf_super_ops;
inode = sb->s_root->d_inode;
inode->i_op = &bpf_dir_iops;
inode->i_mode &= ~S_IALLUGO;
inode->i_mode |= S_ISVTX | S_IRWXUGO;
return 0;
}
static int fill_super(struct super_block *sb, void *data, int silent)
{
static struct tree_descr files[] = {{""}};
return simple_fill_super(sb, SECURITYFS_MAGIC, files);
}
* after device init. The direct add_cntr_files() call handles adding
* them from the init code, when the fs is already mounted.
*/
static int qibfs_fill_super(struct super_block *sb, void *data, int silent)
{
struct qib_devdata *dd, *tmp;
unsigned long flags;
int ret;
static struct tree_descr files[] = {
[2] = {"driver_stats", &driver_ops[0], S_IRUGO},
[3] = {"driver_stats_names", &driver_ops[1], S_IRUGO},
{""},
};
ret = simple_fill_super(sb, QIBFS_MAGIC, files);
if (ret) {
pr_err("simple_fill_super failed: %d\n", ret);
goto bail;
}
spin_lock_irqsave(&qib_devs_lock, flags);
list_for_each_entry_safe(dd, tmp, &qib_dev_list, list) {
spin_unlock_irqrestore(&qib_devs_lock, flags);
ret = add_cntr_files(sb, dd);
if (ret)
goto bail;
spin_lock_irqsave(&qib_devs_lock, flags);
}
return ret;
}
static int ipathfs_fill_super(struct super_block *sb, void *data,
int silent)
{
struct ipath_devdata *dd, *tmp;
unsigned long flags;
int ret;
static struct tree_descr files[] = {
[2] = {"atomic_stats", &atomic_stats_ops, S_IRUGO},
{""},
};
ret = simple_fill_super(sb, IPATHFS_MAGIC, files);
if (ret) {
printk(KERN_ERR "simple_fill_super failed: %d\n", ret);
goto bail;
}
spin_lock_irqsave(&ipath_devs_lock, flags);
list_for_each_entry_safe(dd, tmp, &ipath_dev_list, ipath_list) {
spin_unlock_irqrestore(&ipath_devs_lock, flags);
ret = create_device_files(sb, dd);
if (ret)
goto bail;
spin_lock_irqsave(&ipath_devs_lock, flags);
}
static int debug_fill_super(struct super_block *sb, void *data, int silent)
{
static struct tree_descr debug_files[] = {{""}};
return simple_fill_super(sb, DEBUGFS_MAGIC, debug_files);
}
static int myfs_fill_super(struct super_block *sb, void *data, int silent)
{
static struct tree_descr myfs_files[] = {{""}};
return simple_fill_super(sb, XUXFS_MAGIC, myfs_files);
}
.read = capabilities_read,
.llseek = default_llseek,
};
static int xenfs_fill_super(struct super_block *sb, void *data, int silent)
{
static struct tree_descr xenfs_files[] = {
[1] = {},
{ "xenbus", &xenbus_file_ops, S_IRUSR|S_IWUSR },
{ "capabilities", &capabilities_file_ops, S_IRUGO },
{ "privcmd", &privcmd_file_ops, S_IRUSR|S_IWUSR },
{""},
};
int rc;
rc = simple_fill_super(sb, XENFS_SUPER_MAGIC, xenfs_files);
if (rc < 0)
return rc;
if (xen_initial_domain()) {
xenfs_create_file(sb, sb->s_root, "xsd_kva",
&xsd_kva_file_ops, NULL, S_IRUSR|S_IWUSR);
xenfs_create_file(sb, sb->s_root, "xsd_port",
&xsd_port_file_ops, NULL, S_IRUSR|S_IWUSR);
}
return rc;
}
static struct dentry *xenfs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name,
[NFSD_Ports] = {"portlist", &transaction_ops, S_IWUSR|S_IRUGO},
[NFSD_MaxBlkSize] = {"max_block_size", &transaction_ops, S_IWUSR|S_IRUGO},
#if defined(CONFIG_SUNRPC_GSS) || defined(CONFIG_SUNRPC_GSS_MODULE)
[NFSD_SupportedEnctypes] = {"supported_krb5_enctypes", &supported_enctypes_ops, S_IRUGO},
#endif /* CONFIG_SUNRPC_GSS or CONFIG_SUNRPC_GSS_MODULE */
#ifdef CONFIG_NFSD_V4
[NFSD_Leasetime] = {"nfsv4leasetime", &transaction_ops, S_IWUSR|S_IRUSR},
[NFSD_Gracetime] = {"nfsv4gracetime", &transaction_ops, S_IWUSR|S_IRUSR},
[NFSD_RecoveryDir] = {"nfsv4recoverydir", &transaction_ops, S_IWUSR|S_IRUSR},
#endif
/* last one */ {""}
};
struct net *net = data;
int ret;
ret = simple_fill_super(sb, 0x6e667364, nfsd_files);
if (ret)
return ret;
sb->s_fs_info = get_net(net);
return 0;
}
static struct dentry *nfsd_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
return mount_ns(fs_type, flags, current->nsproxy->net_ns, nfsd_fill_super);
}
static void nfsd_umount(struct super_block *sb)
{
struct net *net = sb->s_fs_info;
static int hrhfs_fill_super(struct super_block *sb, void *data, int silent)
{
static struct tree_descr hrhfs_files[] = {{""}};
dprintk("Filling super block of hrhfs......\n");
return simple_fill_super(sb, 0x64669527, hrhfs_files);
}