From: Nick Alcock Subject: Re: v4.7--v4.10+: ext4: repeatable inline-data oops (and fs corruption) caused by msync() of shared writable mmap (with recipe) Date: Tue, 14 Mar 2017 15:18:26 +0000 Message-ID: <87a88nga4d.fsf@esperi.org.uk> References: <874lzdcj9r.fsf@esperi.org.uk> <20170313005232.GA593@zzz> <87tw6wg4bc.fsf@esperi.org.uk> <20170313233701.GA5271@birch.djwong.org> Mime-Version: 1.0 Content-Type: text/plain Cc: Eric Biggers , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org To: "Darrick J. Wong" Return-path: Received: from userp1040.oracle.com ([156.151.31.81]:20967 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751426AbdCNPSd (ORCPT ); Tue, 14 Mar 2017 11:18:33 -0400 In-Reply-To: <20170313233701.GA5271@birch.djwong.org> (Darrick J. Wong's message of "Mon, 13 Mar 2017 16:37:01 -0700") Sender: linux-ext4-owner@vger.kernel.org List-ID: On 13 Mar 2017, Darrick J. Wong told this: > I wouldn't turn on inline_data for files, period. It's not as well tested > as it ought to be (clearly). :/ Bah, if I don't, how will it get tested? :) this machine is newly commissioned and doesn't have much load or important content yet: it's just the time to try experimental and potentially dangerous things :) (I didn't know you could turn it on in any sense other than a 'big hammer' for everything. I have a great many symlinks, and it's really that I'm interested in reducing seeks for...) -- NULL && (void)