X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fefs%2Fnamei.c;h=ed4a207fe22a4e6d822e019db3c6a1bc05356a96;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=e6c7210f0a68ada54d23302af2d8153e5a14f7f3;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/fs/efs/namei.c b/fs/efs/namei.c
index e6c7210f0..ed4a207fe 100644
--- a/fs/efs/namei.c
+++ b/fs/efs/namei.c
@@ -75,3 +75,36 @@ struct dentry *efs_lookup(struct inode *dir, struct dentry *dentry, struct namei
 	return NULL;
 }
 
+struct dentry *efs_get_parent(struct dentry *child)
+{
+	struct dentry *parent;
+	struct inode *inode;
+	efs_ino_t ino;
+	int error;
+
+	lock_kernel();
+
+	error = -ENOENT;
+	ino = efs_find_entry(child->d_inode, "..", 2);
+	if (!ino)
+		goto fail;
+
+	error = -EACCES;
+	inode = iget(child->d_inode->i_sb, ino);
+	if (!inode)
+		goto fail;
+
+	error = -ENOMEM;
+	parent = d_alloc_anon(inode);
+	if (!parent)
+		goto fail_iput;
+
+	unlock_kernel();
+	return parent;
+
+ fail_iput:
+	iput(inode);
+ fail:
+	unlock_kernel();
+	return ERR_PTR(error);
+}