switch btrfs, close races

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

1 files changed, 2 insertions, 10 deletions

diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 0ccf9a8afcdf..9786963b07e5 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -65,7 +65,6 @@ static struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid,
 {
         struct btrfs_fs_info *fs_info = btrfs_sb(sb)->fs_info;
         struct btrfs_root *root;
-        struct dentry *dentry;
         struct inode *inode;
         struct btrfs_key key;
         int index;
@@ -108,10 +107,7 @@ static struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid,
                 return ERR_PTR(-ESTALE);
         }
 
-        dentry = d_obtain_alias(inode);
-        if (!IS_ERR(dentry))
-                d_set_d_op(dentry, &btrfs_dentry_operations);
-        return dentry;
+        return d_obtain_alias(inode);
 fail:
         srcu_read_unlock(&fs_info->subvol_srcu, index);
         return ERR_PTR(err);
@@ -166,7 +162,6 @@ static struct dentry *btrfs_fh_to_dentry(struct super_block *sb, struct fid *fh,
 static struct dentry *btrfs_get_parent(struct dentry *child)
 {
         struct inode *dir = child->d_inode;
-        struct dentry *dentry;
         struct btrfs_root *root = BTRFS_I(dir)->root;
         struct btrfs_path *path;
         struct extent_buffer *leaf;
@@ -223,10 +218,7 @@ static struct dentry *btrfs_get_parent(struct dentry *child)
 
         key.type = BTRFS_INODE_ITEM_KEY;
         key.offset = 0;
-        dentry = d_obtain_alias(btrfs_iget(root->fs_info->sb, &key, root, NULL));
-        if (!IS_ERR(dentry))
-                d_set_d_op(dentry, &btrfs_dentry_operations);
-        return dentry;
+        return d_obtain_alias(btrfs_iget(root->fs_info->sb, &key, root, NULL));
 fail:
         btrfs_free_path(path);
         return ERR_PTR(ret);