From: "Kani, Toshimitsu" <toshi.kani@hpe.com>
To: "jmoyer@redhat.com" <jmoyer@redhat.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-nvdimm@ml01.01.org" <linux-nvdimm@ml01.01.org>,
"agk@redhat.com" <agk@redhat.com>,
"linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>,
"snitzer@redhat.com" <snitzer@redhat.com>,
"viro@zeniv.linux.org.uk" <viro@zeniv.linux.org.uk>,
"dan.j.williams@intel.com" <dan.j.williams@intel.com>,
"axboe@kernel.dk" <axboe@kernel.dk>,
"ross.zwisler@linux.intel.com" <ross.zwisler@linux.intel.com>,
"dm-devel@redhat.com" <dm-devel@redhat.com>
Subject: Re: [PATCH 0/6] Support DAX for device-mapper dm-linear devices
Date: Tue, 14 Jun 2016 15:53:23 +0000 [thread overview]
Message-ID: <1465918997.3504.205.camel@hpe.com> (raw)
In-Reply-To: <x49fusf282h.fsf@segfault.boston.devel.redhat.com>
On Tue, 2016-06-14 at 09:50 -0400, Jeff Moyer wrote:
> "Kani, Toshimitsu" <toshi.kani@hpe.com> writes:
> > > I had dm-linear and md-raid0 support on my list of things to look at,
> > > did you have raid0 in your plans?
> >
> > Yes, I hope to extend further and raid0 is a good candidate.
>
> dm-flakey would allow more xfstests test cases to run. I'd say that's
> more important than linear or raid0. ;-)
That's an interesting one. We can emulate badblocks by failing
direct_access with -EIO, but I do not think we can emulate "drop_writes" and
"corrupt_bio_byte" features with DAX...
> Also, the next step in this work is to then decide how to determine on
> what numa node an LBA resides. We had discussed this at a prior
> plumbers conference, and I think the consensus was to use xattrs.
> Toshi, do you also plan to do that work?
No, it's not my plan at this point.
Thanks,
-Toshi
prev parent reply other threads:[~2016-06-14 15:53 UTC|newest]
Thread overview: 91+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-13 22:21 [PATCH 0/6] Support DAX for device-mapper dm-linear devices Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` [PATCH 1/6] genhd: Add GENHD_FL_DAX to gendisk flags Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` [PATCH 2/6] block: Check GENHD_FL_DAX for DAX capability Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` [PATCH 3/6] dm: Add dm_blk_direct_access() for mapped device Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` [PATCH 4/6] dm-linear: Add linear_direct_access() Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` [PATCH 5/6] dm, dm-linear: Add dax_supported to dm_target Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` [PATCH 6/6] dm: Enable DAX support for mapper device Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:21 ` Toshi Kani
2016-06-13 22:57 ` [PATCH 0/6] Support DAX for device-mapper dm-linear devices Mike Snitzer
[not found] ` <20160613225756.GA18417-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-20 18:00 ` Mike Snitzer
2016-06-20 18:00 ` Mike Snitzer
[not found] ` <20160620180043.GA21261-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-20 18:31 ` Kani, Toshimitsu
2016-06-20 18:31 ` Kani, Toshimitsu
[not found] ` <1466446861.3504.243.camel-ZPxbGqLxI0U@public.gmane.org>
2016-06-20 19:40 ` Mike Snitzer
2016-06-20 19:40 ` Mike Snitzer
[not found] ` <20160620194026.GA21657-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-20 19:52 ` Mike Snitzer
2016-06-20 19:52 ` Mike Snitzer
[not found] ` <20160620195217.GB21657-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-20 20:11 ` Kani, Toshimitsu
2016-06-20 20:11 ` Kani, Toshimitsu
[not found] ` <1466452883.3504.244.camel-ZPxbGqLxI0U@public.gmane.org>
2016-06-20 21:28 ` Kani, Toshimitsu
2016-06-20 21:28 ` Kani, Toshimitsu
[not found] ` <1466457467.3504.249.camel-ZPxbGqLxI0U@public.gmane.org>
2016-06-20 22:22 ` Mike Snitzer
2016-06-20 22:22 ` Mike Snitzer
[not found] ` <20160620222236.GA22461-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-21 13:41 ` Mike Snitzer
2016-06-21 13:41 ` Mike Snitzer
[not found] ` <20160621134147.GA26392-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-21 15:44 ` Kani, Toshimitsu
2016-06-21 15:44 ` Kani, Toshimitsu
[not found] ` <1466523280.3504.262.camel-ZPxbGqLxI0U@public.gmane.org>
2016-06-21 15:50 ` Kani, Toshimitsu
2016-06-21 15:50 ` Kani, Toshimitsu
2016-06-21 16:25 ` Dan Williams
2016-06-21 16:25 ` Dan Williams
[not found] ` <CAPcyv4gFREc94ANuFD_Lyddx3iqRTN2UDebgeJe3LqPL8xrVzg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-21 16:35 ` Kani, Toshimitsu
2016-06-21 16:35 ` Kani, Toshimitsu
[not found] ` <1466526342.3504.270.camel-ZPxbGqLxI0U@public.gmane.org>
2016-06-21 16:45 ` Dan Williams
2016-06-21 16:45 ` Dan Williams
[not found] ` <CAPcyv4ht8B7dHe1ckv5d=bOrRzCy3=ZDVSTD0rRsak_LYD8r8g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-06-21 16:56 ` Kani, Toshimitsu
2016-06-21 16:56 ` Kani, Toshimitsu
2016-06-21 18:17 ` Mike Snitzer
2016-06-21 18:17 ` Mike Snitzer
2016-06-22 17:44 ` Kani, Toshimitsu
2016-06-22 17:44 ` Kani, Toshimitsu
[not found] ` <1466616868.3504.320.camel-ZPxbGqLxI0U@public.gmane.org>
2016-06-22 19:15 ` Dan Williams
2016-06-22 19:15 ` Dan Williams
2016-06-22 20:16 ` Kani, Toshimitsu
2016-06-22 22:38 ` Mike Snitzer
2016-06-22 22:38 ` Mike Snitzer
[not found] ` <20160622223842.GA34512-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-22 22:59 ` Kani, Toshimitsu
2016-06-22 22:59 ` Kani, Toshimitsu
2016-06-13 23:18 ` Dan Williams
2016-06-13 23:18 ` Dan Williams
2016-06-13 23:18 ` Dan Williams
2016-06-13 23:59 ` Kani, Toshimitsu
2016-06-13 23:59 ` Kani, Toshimitsu
2016-06-13 23:59 ` Kani, Toshimitsu
2016-06-14 0:02 ` Dan Williams
2016-06-14 0:02 ` Dan Williams
2016-06-14 0:02 ` Dan Williams
2016-06-14 7:30 ` Dan Williams
2016-06-14 7:30 ` Dan Williams
2016-06-14 7:30 ` Dan Williams
2016-06-14 13:50 ` Jeff Moyer
2016-06-14 13:50 ` Jeff Moyer
2016-06-14 13:50 ` Jeff Moyer
2016-06-14 15:41 ` Mike Snitzer
2016-06-14 15:41 ` Mike Snitzer
2016-06-14 15:41 ` Mike Snitzer
2016-06-14 18:00 ` Kani, Toshimitsu
2016-06-14 20:19 ` Jeff Moyer
2016-06-14 20:19 ` Jeff Moyer
2016-06-14 20:19 ` Jeff Moyer
2016-06-15 1:46 ` Mike Snitzer
2016-06-15 1:46 ` Mike Snitzer
2016-06-15 2:07 ` Dan Williams
2016-06-15 2:07 ` Dan Williams
2016-06-15 2:35 ` Mike Snitzer
2016-06-15 2:35 ` Mike Snitzer
2016-06-14 15:53 ` Kani, Toshimitsu [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1465918997.3504.205.camel@hpe.com \
--to=toshi.kani@hpe.com \
--cc=agk@redhat.com \
--cc=axboe@kernel.dk \
--cc=dan.j.williams@intel.com \
--cc=dm-devel@redhat.com \
--cc=jmoyer@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-nvdimm@ml01.01.org \
--cc=linux-raid@vger.kernel.org \
--cc=ross.zwisler@linux.intel.com \
--cc=snitzer@redhat.com \
--cc=viro@zeniv.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.