Andrew Morton <akpm@xxxxxxxx> wrote:
> How can we get away without a barrier?
Is this what you're thinking of:
struct dentry * d_find_alias(struct inode *inode)
{
struct dentry *de = NULL;
smp_rb();
if (!list_empty(&inode->i_dentry)) {
spin_lock(&dcache_lock);
de = __d_find_alias(inode, 0);
spin_unlock(&dcache_lock);
}
return de;
}
David
