From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 356EF84B for ; Sun, 16 Sep 2018 23:58:05 +0000 (UTC) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id D48103CC for ; Sun, 16 Sep 2018 23:58:04 +0000 (UTC) From: David Howells In-Reply-To: References: To: Matthew Wilcox MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <9927.1537142282.1@warthog.procyon.org.uk> Date: Mon, 17 Sep 2018 00:58:02 +0100 Message-ID: <9928.1537142282@warthog.procyon.org.uk> Cc: ksummit-discuss@lists.linuxfoundation.org Subject: Re: [Ksummit-discuss] [TECH TOPIC] Project Banbury List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Matthew Wilcox wrote: > We've all pulled the wrong drive out of a machine or unplugged a USB key > before the write back has completely finished. You try to plug it back in, > but the damage is done. The pending writes are lost, the filesystem is > damaged and full of errors and you are having a Bad Day. What if > ... plugging the drive back in could be made to work? Is this something fscache could be made to help with? Though that might be more at a filesystem level than a blockdev level. David