From: Steve French Subject: xfstest generic/018 and ext4 defrag Date: Thu, 13 Nov 2014 15:16:30 -0600 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 To: linux-fsdevel , "linux-ext4@vger.kernel.org" Return-path: Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org I see an earlier thread about ext4 defrag problems causing this failure on xfstest generic/018 running on ext4 generic/018 1s ... [failed, exit status 1] - output mismatch (see /home/sfrench/xfstests/results//generic/018.out.bad) --- tests/generic/018.out 2014-11-13 11:20:05.385406288 -0800 +++ /home/sfrench/xfstests/results//generic/018.out.bad 2014-11-13 12:33:19.317806287 -0800 @@ -10,10 +10,5 @@ After: 1 Write backwards sync, but contiguous - should defrag to 1 extent Before: 10 -After: 1 -Write backwards sync leaving holes - defrag should do nothing -Before: 16 -After: 16 ... but wasn't clear whether it was fixed upstream. It failed on two out of three runs for me on most current ext4. My test is on most current Ubuntu x86_64 (and with 3.18-rc3 kernel) I couldn't find version info for e4defrag from the command line but other ext4 tools are reasonably recent it seems as Ubuntu packages them e.g. EXT2FS Library version 1.42.10, 18-May-2014 Is generic xfstest 18 still broken on ext4? Also am curious about test generic/026 generic/026 [not run] ext4 does not define maximum ACL count Is that expected? -- Thanks, Steve