linux-ext4 - Re: [PATCH 0/4] ext4: DAX fixes

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Date:	Mon, 16 May 2016 11:35:25 +0200
From:	Jan Kara <jack@...e.cz>
To:	Theodore Ts'o <tytso@....edu>
Cc:	Jan Kara <jack@...e.cz>, linux-ext4@...r.kernel.org,
	linux-nvdimm@...1.01.org, Vishal Verma <vishal.l.verma@...el.com>,
	Ross Zwisler <ross.zwisler@...ux.intel.com>,
	Dan Williams <dan.j.williams@...el.com>,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 0/4] ext4: DAX fixes

On Fri 13-05-16 09:56:00, Ted Tso wrote:
> On Fri, May 13, 2016 at 01:24:19AM -0400, Theodore Ts'o wrote:
> > Queued and I'm running tests before I push them out.  The patches
> > passed the smoke tests[1], and the full tests should be running for the
> > next seven hours or so at:   http://104.197.222.91
> 
> So the good news is that the full tests ("gce-xfstests full") look
> really good[1]) Unfortunately the DAX tests ("gce-xfstests -c dax -g
> auto") show a regression.  Is this expected?  (i.e., were you
> expecting test regressions that will be fixed by the DAX patch
> series?)

No, I was not expecting to get new xfstests failures from just ext4
patches. That being said I didn't test ext4 patches on their own, just in
combination with other DAX changes so there may be some interaction I
forgot about. I'll see whether I can reproduce the failures and understand
what's going on. Thanks for having a look!

								Honza

> Before this patch series:
> 
> BEGIN TEST dax: Ext4 4k block using DAX Fri May 13 08:01:57 EDT 2016
> Failures: generic/250 generic/252 generic/299 generic/338
> 
> After the patch series:
> 
> CMDLINE: -c dax -g auto
> FSTESTVER: e2fsprogs	v1.43-WIP-2015-05-18-64-g2334bd3 (Sat, 5 Sep 2015 22:21:35 -0400)
> FSTESTVER: fio		fio-2.6-8-ge6989e1 (Thu, 4 Feb 2016 12:09:48 -0700)
> FSTESTVER: quota		67fd9cc (Mon, 4 Apr 2016 00:32:39 -0400)
> FSTESTVER: xfsprogs	v4.3.0 (Mon, 23 Nov 2015 15:24:24 +1100)
> FSTESTVER: xfstests-bld	ccae8d1 (Tue, 26 Apr 2016 00:42:18 -0400)
> FSTESTVER: xfstests	linux-v3.8-1010-g97dd2d8 (Wed, 27 Apr 2016 00:04:44 -0400)
> FSTESTVER: kernel	4.6.0-rc4-ext4-00022-gaacd0c8 #282 SMP Fri May 13 00:52:07 EDT 2016 x86_64
> FSTESTCFG: "dax"
> FSTESTSET: "-g auto"
> FSTESTEXC: ""
> FSTESTOPT: "aex"
> MNTOPTS: ""
> CPUS: "4"
> MEM: "13052.8"
> MEM: 26 GB (Max capacity)
> BEGIN TEST dax: Ext4 4k block using DAX Fri May 13 01:21:58 EDT 2016
> Failures: generic/075 generic/091 generic/112 generic/127 generic/231 generic/250 generic/252 generic/263 generic/299 generic/338 generic/340
> 
> 				- Ted
> 
> [1] CMDLINE: full
> FSTESTVER: e2fsprogs	v1.43-WIP-2015-05-18-64-g2334bd3 (Sat, 5 Sep 2015 22:21:35 -0400)
> FSTESTVER: fio		fio-2.6-8-ge6989e1 (Thu, 4 Feb 2016 12:09:48 -0700)
> FSTESTVER: quota		67fd9cc (Mon, 4 Apr 2016 00:32:39 -0400)
> FSTESTVER: xfsprogs	v4.3.0 (Mon, 23 Nov 2015 15:24:24 +1100)
> FSTESTVER: xfstests-bld	ccae8d1 (Tue, 26 Apr 2016 00:42:18 -0400)
> FSTESTVER: xfstests	linux-v3.8-1010-g97dd2d8 (Wed, 27 Apr 2016 00:04:44 -0400)
> FSTESTVER: kernel	4.6.0-rc4-ext4-00018-g816cd71 #279 SMP Thu May 5 22:45:36 EDT 2016 x86_64
> FSTESTCFG: "4k 1k ext3 encrypt nojournal ext3conv adv dioread_nolock data_journal bigalloc bigalloc_1k"
> FSTESTSET: "-g auto"
> FSTESTEXC: ""
> FSTESTOPT: "aex"
> MNTOPTS: ""
> CPUS: "2"
> MEM: "7497.07"
> MEM: 7680 MB (Max capacity)
> BEGIN TEST 4k: Ext4 4k block Thu May  5 22:52:10 EDT 2016
> Passed all 212 tests
> BEGIN TEST 1k: Ext4 1k block Thu May  5 23:38:50 EDT 2016
> Failures: generic/018
> BEGIN TEST ext3: Ext4 4k block emulating ext3 Fri May  6 00:30:11 EDT 2016
> Passed all 167 tests
> BEGIN TEST encrypt: Ext4 encryption Fri May  6 01:15:41 EDT 2016
> Failures: ext4/020
> BEGIN TEST nojournal: Ext4 4k block w/ no journal Fri May  6 01:40:25 EDT 2016
> Failures: ext4/301
> BEGIN TEST ext3conv: Ext4 4k block w/nodelalloc and no flex_bg Fri May  6 02:20:39 EDT 2016
> Passed all 212 tests
> BEGIN TEST adv: Ext4 advanced features (inline_data, metadata_csum, 64bit) Fri May  6 03:06:25 EDT 2016
> Passed all 211 tests
> BEGIN TEST dioread_nolock: Ext4 4k block w/dioread_nolock Fri May  6 03:53:34 EDT 2016
> Passed all 212 tests
> BEGIN TEST data_journal: Ext4 4k block w/data=journal Fri May  6 04:40:52 EDT 2016
> Failures: ext4/271 generic/018
> BEGIN TEST bigalloc: Ext4 4k block w/bigalloc Fri May  6 05:28:12 EDT 2016
> Failures: ext4/004 generic/204 generic/219 generic/235 generic/273
> BEGIN TEST bigalloc_1k: Ext4 1k block w/bigalloc Fri May  6 06:18:54 EDT 2016
> Failures: ext4/004 generic/204 generic/235 generic/270
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR
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