From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx1.redhat.com ([209.132.183.28]:51397 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752971AbbBZQvS (ORCPT ); Thu, 26 Feb 2015 11:51:18 -0500 From: David Howells In-Reply-To: <1424964991.10136.8.camel@primarydata.com> References: <1424964991.10136.8.camel@primarydata.com> <1411654543.3044.24.camel@leira.trondhjem.org> <28059.1411650278@warthog.procyon.org.uk> <6150.1424947519@warthog.procyon.org.uk> To: Trond Myklebust Cc: dhowells@redhat.com, linux-nfs@vger.kernel.org, steved@redhat.com Subject: Re: NMI/soft lockup in nfs_delegation_need_return() MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Thu, 26 Feb 2015 16:51:11 +0000 Message-ID: <1655.1424969471@warthog.procyon.org.uk> Sender: linux-nfs-owner@vger.kernel.org List-ID: Trond Myklebust wrote: > This patch ensures that the superblock doesn't go ahead and disappear > underneath us while the state manager thread is returning delegations. It doesn't help. It seem likely that it would, though. The superblock is unlikely to disappear since there's an active tar running against it. David