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Diffstat (limited to 'fs/btrfs/super.c')
-rw-r--r--fs/btrfs/super.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 52e903b0a29..b2130c46fdb 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -566,6 +566,7 @@ static int btrfs_fill_super(struct super_block *sb,
sb->s_maxbytes = MAX_LFS_FILESIZE;
sb->s_magic = BTRFS_SUPER_MAGIC;
sb->s_op = &btrfs_super_ops;
+ sb->s_d_op = &btrfs_dentry_operations;
sb->s_export_op = &btrfs_export_ops;
sb->s_xattr = btrfs_xattr_handlers;
sb->s_time_gran = 1;
@@ -695,8 +696,8 @@ static int btrfs_set_super(struct super_block *s, void *data)
* Note: This is based on get_sb_bdev from fs/super.c with a few additions
* for multiple device setup. Make sure to keep it in sync.
*/
-static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
- const char *dev_name, void *data, struct vfsmount *mnt)
+static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
+ const char *dev_name, void *data)
{
struct block_device *bdev = NULL;
struct super_block *s;
@@ -716,7 +717,7 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
&subvol_name, &subvol_objectid,
&fs_devices);
if (error)
- return error;
+ return ERR_PTR(error);
error = btrfs_scan_one_device(dev_name, mode, fs_type, &fs_devices);
if (error)
@@ -807,11 +808,8 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
root = new_root;
}
- mnt->mnt_sb = s;
- mnt->mnt_root = root;
-
kfree(subvol_name);
- return 0;
+ return root;
error_s:
error = PTR_ERR(s);
@@ -821,7 +819,7 @@ error_close_devices:
kfree(tree_root);
error_free_subvol_name:
kfree(subvol_name);
- return error;
+ return ERR_PTR(error);
}
static int btrfs_remount(struct super_block *sb, int *flags, char *data)
@@ -1038,7 +1036,7 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
static struct file_system_type btrfs_fs_type = {
.owner = THIS_MODULE,
.name = "btrfs",
- .get_sb = btrfs_get_sb,
+ .mount = btrfs_mount,
.kill_sb = kill_anon_super,
.fs_flags = FS_REQUIRES_DEV,
};
@@ -1107,6 +1105,7 @@ static const struct file_operations btrfs_ctl_fops = {
.unlocked_ioctl = btrfs_control_ioctl,
.compat_ioctl = btrfs_control_ioctl,
.owner = THIS_MODULE,
+ .llseek = noop_llseek,
};
static struct miscdevice btrfs_misc = {