From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f178.google.com ([209.85.128.178]:33021 "EHLO mail-wr0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753333AbdDLQWb (ORCPT ); Wed, 12 Apr 2017 12:22:31 -0400 Received: by mail-wr0-f178.google.com with SMTP id l28so20844212wre.0 for ; Wed, 12 Apr 2017 09:22:30 -0700 (PDT) Subject: Re: filesystem dead, xfs_repair won't help References: <9d2587d5-e1f1-e5bb-d276-bc6731b2fce8@scylladb.com> <20170411144906.39323b30@harpe.intellique.com> <68ab8fb6-1cfd-66de-d2f3-eab21796fb16@scylladb.com> <20170411181355.59c1ee1f@harpe.intellique.com> <02304e07-022e-0191-e62b-734b59a818fb@scylladb.com> <25551c0a-90e1-0b2a-ad8d-2b1e814b3b0a@sandeen.net> <20170412151520.GB6126@infradead.org> <20170412154534.GA1145@infradead.org> <5eb9533a-7c20-23a4-b5f7-9f7cd54e3996@scylladb.com> <20170412162022.GA8663@infradead.org> From: Avi Kivity Message-ID: <08bec6a5-67cb-9185-e1e7-1e7d2223067f@scylladb.com> Date: Wed, 12 Apr 2017 19:22:20 +0300 MIME-Version: 1.0 In-Reply-To: <20170412162022.GA8663@infradead.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: Christoph Hellwig Cc: Eric Sandeen , Emmanuel Florac , Brian Foster , linux-xfs@vger.kernel.org On 04/12/2017 07:20 PM, Christoph Hellwig wrote: > On Wed, Apr 12, 2017 at 07:15:40PM +0300, Avi Kivity wrote: >> This preserves the ability to do O_DIRECT reads at 512 byte granularity, >> yes? > No. :( > >> We make use of that (it's probably less important on NVMe; still why >> waste bandwidth needlessly). > In that case it would be the wrong thing for you. Would it be under our control?