David Howells <[email protected]> wrote:
>
> struct dentry * d_find_alias(struct inode *inode)
> {
> - struct dentry *de;
> - spin_lock(&dcache_lock);
> - de = __d_find_alias(inode, 0);
> - spin_unlock(&dcache_lock);
> + struct dentry *de = NULL;
> + if (!list_empty(&inode->i_dentry)) {
> + spin_lock(&dcache_lock);
> + de = __d_find_alias(inode, 0);
> + spin_unlock(&dcache_lock);
> + }
> return de;
> }
How can we get away without a barrier?
-
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