Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-we0-f175.google.com ([74.125.82.175]:47585 "EHLO mail-we0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754513AbaFYNdF (ORCPT ); Wed, 25 Jun 2014 09:33:05 -0400 Message-ID: <53AACF88.5000006@suse.cz> Date: Wed, 25 Jun 2014 15:32:56 +0200 From: Jiri Slaby MIME-Version: 1.0 To: Jeff Layton , stable@vger.kernel.org CC: linux-nfs@vger.kernel.org, bfields@fieldses.org Subject: Re: [stable PATCH] nfsd: don't try to reuse an expired DRC entry off the list References: <1403290612-15341-1-git-send-email-jlayton@primarydata.com> In-Reply-To: <1403290612-15341-1-git-send-email-jlayton@primarydata.com> Content-Type: text/plain; charset=ISO-8859-2 Sender: linux-nfs-owner@vger.kernel.org List-ID: On 06/20/2014 08:56 PM, Jeff Layton wrote: > From: Jeff Layton > > This is commit a0ef5e19684f0447da9ff0654a12019c484f57ca in mainline. > > While the commit message below doesn't lay this out, we've subsequently > found that there are some cases where an entry that's still in use can > be freed prematurely if a particular operation takes a *very* long time > (on the order of minutes) and/or the server is very busy and doesn't > have a lot of memory dedicated to the DRC. This patch eliminates that > possibility, so it's actually more than just a cleanup. > > The regression crept in in v3.9, and this patch went into mainline in > v3.14. Please apply this to any stable kernel between those two > mainline releases. Now applied to 3.12. Thanks. -- js suse labs