From: Andrew Morton <akpm@linux-foundation.org>

Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/nilfs2/namei.c |    8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff -puN fs/nilfs2/namei.c~nilfs2-continuous-snapshotting-file-system-fix-fix-2 fs/nilfs2/namei.c
--- a/fs/nilfs2/namei.c~nilfs2-continuous-snapshotting-file-system-fix-fix-2
+++ a/fs/nilfs2/namei.c
@@ -80,7 +80,6 @@ nilfs_lookup(struct inode *dir, struct d
 struct dentry *nilfs_get_parent(struct dentry *child)
 {
 	unsigned long ino;
-	struct dentry *parent;
 	struct inode *inode;
 	struct dentry dotdot;
 
@@ -94,12 +93,7 @@ struct dentry *nilfs_get_parent(struct d
 	inode = nilfs_iget(child->d_inode->i_sb, ino);
 	if (IS_ERR(inode))
 		return ERR_CAST(inode);
-	parent = d_alloc_anon(inode);
-	if (!parent) {
-		iput(inode);
-		parent = ERR_PTR(-ENOMEM);
-	}
-	return parent;
+	return d_obtain_alias(inode);
 }
 
 /*
_