From: Chaitanya Kulkarni <chaitanyak@nvidia.com>
To: Pankaj Raghav <p.raghav@samsung.com>, "hch@lst.de" <hch@lst.de>,
"agk@redhat.com" <agk@redhat.com>,
"damien.lemoal@opensource.wdc.com"
<damien.lemoal@opensource.wdc.com>,
"axboe@kernel.dk" <axboe@kernel.dk>,
"snitzer@kernel.org" <snitzer@kernel.org>
Cc: "bvanassche@acm.org" <bvanassche@acm.org>,
"pankydev8@gmail.com" <pankydev8@gmail.com>,
"Johannes.Thumshirn@wdc.com" <Johannes.Thumshirn@wdc.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"dm-devel@redhat.com" <dm-devel@redhat.com>,
Adam Manzanares <a.manzanares@samsung.com>,
"gost.dev@samsung.com" <gost.dev@samsung.com>,
"jaegeuk@kernel.org" <jaegeuk@kernel.org>,
"matias.bjorling@wdc.com" <matias.bjorling@wdc.com>,
Luis Chamberlain <mcgrof@kernel.org>
Subject: Re: [dm-devel] [PATCH v13 01/13] block: make bdev_nr_zones and disk_zone_no generic for npo2 zone size
Date: Wed, 14 Sep 2022 17:19:54 +0000 [thread overview]
Message-ID: <0daefc87-86d5-e893-19d7-7c018b5e4c51@nvidia.com> (raw)
In-Reply-To: <20220912082204.51189-2-p.raghav@samsung.com>
On 9/12/2022 1:21 AM, Pankaj Raghav wrote:
> Adapt bdev_nr_zones and disk_zone_no functions so that they can
> also work for non-power-of-2 zone sizes.
>
> As the existing deployments assume that a device zone size is a power of
> 2 number of sectors, power-of-2 optimized calculation is used for those
> devices.
>
> There are no direct hot paths modified and the changes just
> introduce one new branch per call.
>
> Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
> Reviewed-by: Adam Manzanares <a.manzanares@samsung.com>
> Reviewed-by: Hannes Reinecke <hare@suse.de>
> Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
> Reviewed-by: Bart Van Assche <bvanassche@acm.org>
> ---
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
-ck
--
dm-devel mailing list
dm-devel@redhat.com
https://listman.redhat.com/mailman/listinfo/dm-devel
WARNING: multiple messages have this Message-ID (diff)
From: Chaitanya Kulkarni <chaitanyak@nvidia.com>
To: Pankaj Raghav <p.raghav@samsung.com>, "hch@lst.de" <hch@lst.de>,
"agk@redhat.com" <agk@redhat.com>,
"damien.lemoal@opensource.wdc.com"
<damien.lemoal@opensource.wdc.com>,
"axboe@kernel.dk" <axboe@kernel.dk>,
"snitzer@kernel.org" <snitzer@kernel.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Johannes.Thumshirn@wdc.com" <Johannes.Thumshirn@wdc.com>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
"pankydev8@gmail.com" <pankydev8@gmail.com>,
"matias.bjorling@wdc.com" <matias.bjorling@wdc.com>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"bvanassche@acm.org" <bvanassche@acm.org>,
"gost.dev@samsung.com" <gost.dev@samsung.com>,
"dm-devel@redhat.com" <dm-devel@redhat.com>,
"hare@suse.de" <hare@suse.de>,
"jaegeuk@kernel.org" <jaegeuk@kernel.org>,
Luis Chamberlain <mcgrof@kernel.org>,
Adam Manzanares <a.manzanares@samsung.com>
Subject: Re: [PATCH v13 01/13] block: make bdev_nr_zones and disk_zone_no generic for npo2 zone size
Date: Wed, 14 Sep 2022 17:19:54 +0000 [thread overview]
Message-ID: <0daefc87-86d5-e893-19d7-7c018b5e4c51@nvidia.com> (raw)
In-Reply-To: <20220912082204.51189-2-p.raghav@samsung.com>
On 9/12/2022 1:21 AM, Pankaj Raghav wrote:
> Adapt bdev_nr_zones and disk_zone_no functions so that they can
> also work for non-power-of-2 zone sizes.
>
> As the existing deployments assume that a device zone size is a power of
> 2 number of sectors, power-of-2 optimized calculation is used for those
> devices.
>
> There are no direct hot paths modified and the changes just
> introduce one new branch per call.
>
> Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
> Reviewed-by: Adam Manzanares <a.manzanares@samsung.com>
> Reviewed-by: Hannes Reinecke <hare@suse.de>
> Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
> Reviewed-by: Bart Van Assche <bvanassche@acm.org>
> ---
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
-ck
next prev parent reply other threads:[~2022-09-14 17:20 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20220912082205eucas1p1e5fb1acfb0b2a2fe6261520ace90c883@eucas1p1.samsung.com>
2022-09-12 8:21 ` [dm-devel] [PATCH v13 00/13] support zoned block devices with non-power-of-2 zone sizes Pankaj Raghav
2022-09-12 8:21 ` Pankaj Raghav
2022-09-12 8:21 ` [dm-devel] [PATCH v13 01/13] block: make bdev_nr_zones and disk_zone_no generic for npo2 zone size Pankaj Raghav
2022-09-12 8:21 ` Pankaj Raghav
2022-09-12 10:03 ` [dm-devel] " Johannes Thumshirn
2022-09-12 10:03 ` Johannes Thumshirn
2022-09-14 17:19 ` Chaitanya Kulkarni [this message]
2022-09-14 17:19 ` Chaitanya Kulkarni
2022-09-12 8:21 ` [dm-devel] [PATCH v13 02/13] block: rearrange bdev_{is_zoned, zone_sectors, get_queue} helper in blkdev.h Pankaj Raghav
2022-09-12 8:21 ` [PATCH v13 02/13] block: rearrange bdev_{is_zoned,zone_sectors,get_queue} " Pankaj Raghav
2022-09-12 10:03 ` [dm-devel] [PATCH v13 02/13] block: rearrange bdev_{is_zoned, zone_sectors, get_queue} " Johannes Thumshirn
2022-09-12 10:03 ` [PATCH v13 02/13] block: rearrange bdev_{is_zoned,zone_sectors,get_queue} " Johannes Thumshirn
2022-09-14 17:19 ` [dm-devel] [PATCH v13 02/13] block: rearrange bdev_{is_zoned, zone_sectors, get_queue} " Chaitanya Kulkarni
2022-09-14 17:19 ` [PATCH v13 02/13] block: rearrange bdev_{is_zoned,zone_sectors,get_queue} " Chaitanya Kulkarni
2022-09-12 8:21 ` [dm-devel] [PATCH v13 03/13] block: allow blk-zoned devices to have non-power-of-2 zone size Pankaj Raghav
2022-09-12 8:21 ` Pankaj Raghav
2022-09-12 10:04 ` [dm-devel] " Johannes Thumshirn
2022-09-12 10:04 ` Johannes Thumshirn
2022-09-12 8:21 ` [dm-devel] [PATCH v13 04/13] nvmet: Allow ZNS target to support non-power_of_2 zone sizes Pankaj Raghav
2022-09-12 8:21 ` Pankaj Raghav
2022-09-14 17:16 ` [dm-devel] " Chaitanya Kulkarni
2022-09-14 17:16 ` Chaitanya Kulkarni
2022-09-12 8:21 ` [dm-devel] [PATCH v13 05/13] nvme: zns: Allow ZNS drives that have non-power_of_2 zone size Pankaj Raghav
2022-09-12 8:21 ` Pankaj Raghav
2022-09-14 17:16 ` [dm-devel] " Chaitanya Kulkarni
2022-09-14 17:16 ` Chaitanya Kulkarni
2022-09-12 8:21 ` [dm-devel] [PATCH v13 06/13] null_blk: allow zoned devices with non power-of-2 zone sizes Pankaj Raghav
2022-09-12 8:21 ` Pankaj Raghav
2022-09-12 10:06 ` [dm-devel] " Johannes Thumshirn
2022-09-12 10:06 ` Johannes Thumshirn
2022-09-14 17:17 ` [dm-devel] " Chaitanya Kulkarni
2022-09-14 17:17 ` Chaitanya Kulkarni
2022-09-12 8:21 ` [dm-devel] [PATCH v13 07/13] zonefs: allow non power of 2 zoned devices Pankaj Raghav
2022-09-12 8:21 ` Pankaj Raghav
2022-09-12 10:07 ` [dm-devel] " Johannes Thumshirn
2022-09-12 10:07 ` Johannes Thumshirn
2022-09-14 17:17 ` [dm-devel] " Chaitanya Kulkarni
2022-09-14 17:17 ` Chaitanya Kulkarni
2022-09-12 8:21 ` [dm-devel] [PATCH v13 08/13] dm-zoned: ensure only power of 2 zone sizes are allowed Pankaj Raghav
2022-09-12 8:21 ` Pankaj Raghav
2022-09-12 10:07 ` [dm-devel] " Johannes Thumshirn
2022-09-12 10:07 ` Johannes Thumshirn
2022-09-12 8:22 ` [dm-devel] [PATCH v13 09/13] dm-zone: use generic helpers to calculate offset from zone start Pankaj Raghav
2022-09-12 8:22 ` Pankaj Raghav
2022-09-12 10:08 ` [dm-devel] " Johannes Thumshirn
2022-09-12 10:08 ` Johannes Thumshirn
2022-09-12 8:22 ` [dm-devel] [PATCH v13 10/13] dm-table: allow zoned devices with non power-of-2 zone sizes Pankaj Raghav
2022-09-12 8:22 ` Pankaj Raghav
2022-09-12 10:08 ` [dm-devel] " Johannes Thumshirn
2022-09-12 10:08 ` Johannes Thumshirn
2022-09-12 8:22 ` [dm-devel] [PATCH v13 11/13] dm: call dm_zone_endio after the target endio callback for zoned devices Pankaj Raghav
2022-09-12 8:22 ` Pankaj Raghav
2022-09-12 8:22 ` [dm-devel] [PATCH v13 12/13] dm: introduce DM_EMULATED_ZONES target feature flag Pankaj Raghav
2022-09-12 8:22 ` Pankaj Raghav
2022-09-12 8:22 ` [dm-devel] [PATCH v13 13/13] dm: add power-of-2 target for zoned devices with non power-of-2 zone sizes Pankaj Raghav
2022-09-12 8:22 ` Pankaj Raghav
2022-09-14 16:52 ` [dm-devel] " Mike Snitzer
2022-09-14 16:52 ` Mike Snitzer
2022-09-14 19:16 ` [dm-devel] " Pankaj Raghav
2022-09-14 19:16 ` Pankaj Raghav
2022-09-16 17:57 ` [dm-devel] " Pankaj Raghav
2022-09-16 17:57 ` Pankaj Raghav
2022-09-16 18:04 ` [dm-devel] " Mike Snitzer
2022-09-16 18:04 ` Mike Snitzer
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=0daefc87-86d5-e893-19d7-7c018b5e4c51@nvidia.com \
--to=chaitanyak@nvidia.com \
--cc=Johannes.Thumshirn@wdc.com \
--cc=a.manzanares@samsung.com \
--cc=agk@redhat.com \
--cc=axboe@kernel.dk \
--cc=bvanassche@acm.org \
--cc=damien.lemoal@opensource.wdc.com \
--cc=dm-devel@redhat.com \
--cc=gost.dev@samsung.com \
--cc=hch@lst.de \
--cc=jaegeuk@kernel.org \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-nvme@lists.infradead.org \
--cc=matias.bjorling@wdc.com \
--cc=mcgrof@kernel.org \
--cc=p.raghav@samsung.com \
--cc=pankydev8@gmail.com \
--cc=snitzer@kernel.org \
/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.