Can't really comment the patch, just a nit:
On 08/21, Andy Lutomirski wrote:
>
> +static bool may_flink(const struct path *path)
> +{
> + bool ret;
> + struct inode *inode = path->dentry->d_inode;
> +
> + /*
> + * This is racy: I_LINKABLE could be cleared between this check
> + * and the actual link operation.
OK,
> + spin_lock(&inode->i_lock);
> + ret = !!(inode->i_state & I_LINKABLE);
> + spin_unlock(&inode->i_lock);
so why do we need to take a lock ?
Oleg.
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