From: Naohiro Aota <Naohiro.Aota@wdc.com>
To: Josef Bacik <josef@toxicpanda.com>
Cc: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>,
"David Sterba" <dsterba@suse.com>, "Chris Mason" <clm@fb.com>,
"Qu Wenruo" <wqu@suse.com>, "Nikolay Borisov" <nborisov@suse.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Hannes Reinecke" <hare@suse.com>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
"Damien Le Moal" <Damien.LeMoal@wdc.com>,
"Matias Bjørling" <mb@lightnvm.io>,
"Johannes Thumshirn" <jthumshirn@suse.de>,
"Bart Van Assche" <bvanassche@acm.org>
Subject: Re: [PATCH 05/19] btrfs: disable direct IO in HMZONED mode
Date: Tue, 18 Jun 2019 08:17:52 +0000 [thread overview]
Message-ID: <SN6PR04MB523168E867B817288A587BA48CEA0@SN6PR04MB5231.namprd04.prod.outlook.com> (raw)
In-Reply-To: 20190613140020.iiqzrkdztindfjyh@MacBook-Pro-91.local
On 2019/06/13 23:00, Josef Bacik wrote:
> On Fri, Jun 07, 2019 at 10:10:11PM +0900, Naohiro Aota wrote:
>> Direct write I/Os can be directed at existing extents that have already
>> been written. Such write requests are prohibited on host-managed zoned
>> block devices. So disable direct IO support for a volume with HMZONED mode
>> enabled.
>>
>
> That's only if we're nocow, so seems like you only need to disable DIO into
> nocow regions with hmzoned? Thanks,
>
> Josef
>
True. And actually, I had to disable or ignore BTRFS_INODE_NODATACOW on HMZONED.
I'll replace this patch with that one.
Thanks,
next prev parent reply other threads:[~2019-06-18 8:17 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-07 13:10 [PATCH v2 00/19] btrfs zoned block device support Naohiro Aota
2019-06-07 13:10 ` [PATCH 01/19] btrfs: introduce HMZONED feature flag Naohiro Aota
2019-06-07 13:10 ` [PATCH 02/19] btrfs: Get zone information of zoned block devices Naohiro Aota
2019-06-13 13:58 ` Josef Bacik
2019-06-18 6:04 ` Naohiro Aota
2019-06-13 13:58 ` Josef Bacik
2019-06-17 18:57 ` David Sterba
2019-06-18 6:42 ` Naohiro Aota
2019-06-27 15:11 ` David Sterba
2019-06-07 13:10 ` [PATCH 03/19] btrfs: Check and enable HMZONED mode Naohiro Aota
2019-06-13 13:57 ` Josef Bacik
2019-06-18 6:43 ` Naohiro Aota
2019-06-07 13:10 ` [PATCH 04/19] btrfs: disable fallocate in " Naohiro Aota
2019-06-07 13:10 ` [PATCH 05/19] btrfs: disable direct IO " Naohiro Aota
2019-06-13 14:00 ` Josef Bacik
2019-06-18 8:17 ` Naohiro Aota [this message]
2019-06-07 13:10 ` [PATCH 06/19] btrfs: align dev extent allocation to zone boundary Naohiro Aota
2019-06-07 13:10 ` [PATCH 07/19] btrfs: do sequential extent allocation in HMZONED mode Naohiro Aota
2019-06-13 14:07 ` Josef Bacik
2019-06-18 8:28 ` Naohiro Aota
2019-06-18 13:37 ` Josef Bacik
2019-06-17 22:30 ` David Sterba
2019-06-18 8:49 ` Naohiro Aota
2019-06-27 15:28 ` David Sterba
2019-06-07 13:10 ` [PATCH 08/19] btrfs: make unmirroed BGs readonly only if we have at least one writable BG Naohiro Aota
2019-06-13 14:09 ` Josef Bacik
2019-06-18 7:42 ` Naohiro Aota
2019-06-18 13:35 ` Josef Bacik
2019-06-07 13:10 ` [PATCH 09/19] btrfs: limit super block locations in HMZONED mode Naohiro Aota
2019-06-13 14:12 ` Josef Bacik
2019-06-18 8:51 ` Naohiro Aota
2019-06-17 22:53 ` David Sterba
2019-06-18 9:01 ` Naohiro Aota
2019-06-27 15:35 ` David Sterba
2019-06-28 3:55 ` Anand Jain
2019-06-28 6:39 ` Naohiro Aota
2019-06-28 6:52 ` Anand Jain
2019-06-07 13:10 ` [PATCH 10/19] btrfs: rename btrfs_map_bio() Naohiro Aota
2019-06-07 13:10 ` [PATCH 11/19] btrfs: introduce submit buffer Naohiro Aota
2019-06-13 14:14 ` Josef Bacik
2019-06-17 3:16 ` Damien Le Moal
2019-06-18 0:00 ` David Sterba
2019-06-18 4:04 ` Damien Le Moal
2019-06-18 13:33 ` Josef Bacik
2019-06-19 10:32 ` Damien Le Moal
2019-06-07 13:10 ` [PATCH 12/19] btrfs: expire submit buffer on timeout Naohiro Aota
2019-06-13 14:15 ` Josef Bacik
2019-06-17 3:19 ` Damien Le Moal
2019-06-07 13:10 ` [PATCH 13/19] btrfs: avoid sync IO prioritization on checksum in HMZONED mode Naohiro Aota
2019-06-13 14:17 ` Josef Bacik
2019-06-07 13:10 ` [PATCH 14/19] btrfs: redirty released extent buffers in sequential BGs Naohiro Aota
2019-06-13 14:24 ` Josef Bacik
2019-06-18 9:09 ` Naohiro Aota
2019-06-07 13:10 ` [PATCH 15/19] btrfs: reset zones of unused block groups Naohiro Aota
2019-06-07 13:10 ` [PATCH 16/19] btrfs: wait existing extents before truncating Naohiro Aota
2019-06-13 14:25 ` Josef Bacik
2019-06-07 13:10 ` [PATCH 17/19] btrfs: shrink delayed allocation size in HMZONED mode Naohiro Aota
2019-06-13 14:27 ` Josef Bacik
2019-06-07 13:10 ` [PATCH 18/19] btrfs: support dev-replace " Naohiro Aota
2019-06-13 14:33 ` Josef Bacik
2019-06-18 9:14 ` Naohiro Aota
2019-06-07 13:10 ` [PATCH 19/19] btrfs: enable to mount HMZONED incompat flag Naohiro Aota
2019-06-07 13:17 ` [PATCH 01/12] btrfs-progs: build: Check zoned block device support Naohiro Aota
2019-06-07 13:17 ` [PATCH 02/12] btrfs-progs: utils: Introduce queue_param Naohiro Aota
2019-06-07 13:17 ` [PATCH 03/12] btrfs-progs: add new HMZONED feature flag Naohiro Aota
2019-06-07 13:17 ` [PATCH 04/12] btrfs-progs: Introduce zone block device helper functions Naohiro Aota
2019-06-07 13:17 ` [PATCH 05/12] btrfs-progs: load and check zone information Naohiro Aota
2019-06-07 13:17 ` [PATCH 06/12] btrfs-progs: avoid writing super block to sequential zones Naohiro Aota
2019-06-07 13:17 ` [PATCH 07/12] btrfs-progs: support discarding zoned device Naohiro Aota
2019-06-07 13:17 ` [PATCH 08/12] btrfs-progs: volume: align chunk allocation to zones Naohiro Aota
2019-06-07 13:17 ` [PATCH 09/12] btrfs-progs: do sequential allocation Naohiro Aota
2019-06-07 13:17 ` [PATCH 10/12] btrfs-progs: mkfs: Zoned block device support Naohiro Aota
2019-06-07 13:17 ` [PATCH 11/12] btrfs-progs: device-add: support HMZONED device Naohiro Aota
2019-06-07 13:17 ` [PATCH 12/12] btrfs-progs: introduce support for dev-place " Naohiro Aota
2019-06-12 17:51 ` [PATCH v2 00/19] btrfs zoned block device support David Sterba
2019-06-13 4:59 ` Naohiro Aota
2019-06-13 13:46 ` David Sterba
2019-06-14 2:07 ` Naohiro Aota
2019-06-17 2:44 ` Damien Le Moal
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=SN6PR04MB523168E867B817288A587BA48CEA0@SN6PR04MB5231.namprd04.prod.outlook.com \
--to=naohiro.aota@wdc.com \
--cc=Damien.LeMoal@wdc.com \
--cc=bvanassche@acm.org \
--cc=clm@fb.com \
--cc=dsterba@suse.com \
--cc=hare@suse.com \
--cc=josef@toxicpanda.com \
--cc=jthumshirn@suse.de \
--cc=linux-btrfs@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mb@lightnvm.io \
--cc=nborisov@suse.com \
--cc=wqu@suse.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).