convert btrfs

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 6 insertions, 9 deletions

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 144f8a5730f5..ebe46c628748 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -560,8 +560,8 @@ static int btrfs_test_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;
@@ -580,7 +580,7 @@ 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)
@@ -656,11 +656,8 @@ 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);
@@ -669,7 +666,7 @@ error_close_devices:
 error_free_subvol_name:
         kfree(subvol_name);
 error:
-        return error;
+        return ERR_PTR(error);
 }
 
 static int btrfs_remount(struct super_block *sb, int *flags, char *data)
@@ -746,7 +743,7 @@ 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,
 };