1 Index: linux-3.10.9-200.fc17.x86_64/fs/ext4/namei.c
2 ===================================================================
3 --- linux-3.10.9-200.fc17.x86_64.orig/fs/ext4/namei.c
4 +++ linux-3.10.9-200.fc17.x86_64/fs/ext4/namei.c
5 @@ -1438,6 +1438,32 @@ static struct dentry *ext4_lookup(struct
9 + /* ".." shouldn't go into dcache to preserve dcache hierarchy
10 + * otherwise we'll get parent being a child of actual child.
11 + * see bug 10458 for details -bzzz */
12 + if (inode && (dentry->d_name.name[0] == '.' && (dentry->d_name.len == 1 ||
13 + (dentry->d_name.len == 2 && dentry->d_name.name[1] == '.')))) {
14 + struct dentry *goal = NULL;
16 + /* first, look for an existing dentry - any one is good */
17 + goal = d_find_any_alias(inode);
19 + spin_lock(&dentry->d_lock);
20 + /* there is no alias, we need to make current dentry:
21 + * a) inaccessible for __d_lookup()
22 + * b) inaccessible for iopen */
23 + J_ASSERT(hlist_unhashed(&dentry->d_alias));
24 + dentry->d_flags |= DCACHE_NFSFS_RENAMED;
25 + /* this is d_instantiate() ... */
26 + hlist_add_head(&dentry->d_alias, &inode->i_dentry);
27 + dentry->d_inode = inode;
28 + spin_unlock(&dentry->d_lock);
35 return d_splice_alias(inode, dentry);