From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Torvalds Subject: Re: [PATCH] autofs4 - fix get_next_positive_subdir() Date: Tue, 22 May 2012 19:53:49 -0700 Message-ID: References: <20120523024950.3905.89811.stgit@perseus.themaw.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: Kernel Mailing List , linux-fsdevel , autofs mailing list To: Ian Kent Return-path: In-Reply-To: <20120523024950.3905.89811.stgit@perseus.themaw.net> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Tue, May 22, 2012 at 7:49 PM, Ian Kent wrote: > > The locking for the list traversal in get_next_positive_subdir() is > wrong, so fix it. As an explanation, this kind of thing is totally useless. It doesn't actually give any information at all. It's like saying "change locking" What happened, and why? Why is the new nested spinlock ok and won't deadlock against other nested users? Wazzup? Linus