On Fri, Nov 30, 2012 at 01:58:18PM +0000, Myklebust, Trond wrote:
> The reason for the choice of d_drop over d_invalidate() is the d_count
> checks. It really doesn't matter whether or not the client thinks it has
> users for a directory if the server is telling you that it is ESTALE. So
> we force a d_drop to prevent further lookups from finding it.
>
> IOW: It is there in order to fix the case where the user does
> 'rmdir("foo"); mkdir("foo")' on the server.
You do realize that your have_submounts() check in there is inherently
racy, right?
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
