From: Bart Van Assche <bvanassche@acm.org>
To: Pankaj Raghav <p.raghav@samsung.com>,
hch@lst.de, snitzer@redhat.com, damien.lemoal@opensource.wdc.com,
axboe@kernel.dk
Cc: pankydev8@gmail.com, gost.dev@samsung.com,
jiangbo.365@bytedance.com, linux-nvme@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
dm-devel@redhat.com, jonathan.derrick@linux.dev,
Johannes.Thumshirn@wdc.com, dsterba@suse.com, jaegeuk@kernel.org,
Luis Chamberlain <mcgrof@kernel.org>
Subject: Re: [dm-devel] [PATCH v7 01/13] block: make blkdev_nr_zones and blk_queue_zone_no generic for npo2 zsze
Date: Wed, 15 Jun 2022 13:18:31 -0700 [thread overview]
Message-ID: <c2269e99-b832-1c00-a08b-14af3be4d76b@acm.org> (raw)
In-Reply-To: <20220615101920.329421-2-p.raghav@samsung.com>
On 6/15/22 03:19, Pankaj Raghav wrote:
> Adapt blkdev_nr_zones and blk_queue_zone_no function so that it can
> also work for non-power-of-2 zone sizes.
>
> As the existing deployments of zoned devices had power-of-2
> assumption, power-of-2 optimized calculation is kept for those devices.
>
> There are no direct hot paths modified and the changes just
> introduce one new branch per call.
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
next prev parent reply other threads:[~2022-06-15 20:18 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20220615101924eucas1p27fbce623c0e1b3097169bf23dd6266d8@eucas1p2.samsung.com>
2022-06-15 10:19 ` [PATCH v7 00/13] support non power of 2 zoned device Pankaj Raghav
[not found] ` <CGME20220615101927eucas1p17220c7a36f69f59ff8ddd560b42967ec@eucas1p1.samsung.com>
2022-06-15 10:19 ` [PATCH v7 01/13] block: make blkdev_nr_zones and blk_queue_zone_no generic for npo2 zsze Pankaj Raghav
2022-06-15 20:18 ` Bart Van Assche [this message]
[not found] ` <CGME20220615101931eucas1p15ed09ae433a2c378b599e9086130d8eb@eucas1p1.samsung.com>
2022-06-15 10:19 ` [PATCH v7 02/13] block: allow blk-zoned devices to have non-power-of-2 zone size Pankaj Raghav
2022-06-15 20:28 ` [dm-devel] " Bart Van Assche
2022-06-16 10:09 ` Pankaj Raghav
2022-06-16 16:04 ` Luis Chamberlain
2022-06-16 23:30 ` Damien Le Moal
[not found] ` <CGME20220615101935eucas1p26a7bc245d88a89312158d7a265f64aef@eucas1p2.samsung.com>
2022-06-15 10:19 ` [PATCH v7 03/13] nvme: zns: Allow ZNS drives that have non-power_of_2 " Pankaj Raghav
[not found] ` <CGME20220615101938eucas1p26ab159a1ffd0fa5a16d7f202ba7206e7@eucas1p2.samsung.com>
2022-06-15 10:19 ` [PATCH v7 04/13] nvmet: Allow ZNS target to support non-power_of_2 zone sizes Pankaj Raghav
[not found] ` <CGME20220615101941eucas1p25e1c27b363e6b288b848521298e31705@eucas1p2.samsung.com>
2022-06-15 10:19 ` [PATCH v7 05/13] null_blk: allow non power of 2 zoned devices Pankaj Raghav
[not found] ` <CGME20220615101945eucas1p16fa264e81d9b6027ff131dd311ed91e2@eucas1p1.samsung.com>
2022-06-15 10:19 ` [PATCH v7 06/13] null_blk: use zone_size_sects_shift for " Pankaj Raghav
2022-06-15 11:56 ` Damien Le Moal
[not found] ` <CGME20220615101948eucas1p2d8d801735c39b25256a019134adb0c6f@eucas1p2.samsung.com>
2022-06-15 10:19 ` [PATCH v7 07/13] zonefs: allow non " Pankaj Raghav
[not found] ` <CGME20220615101951eucas1p238eb45e563bd9645af81bf16c56d98ec@eucas1p2.samsung.com>
2022-06-15 10:19 ` [PATCH v7 08/13] dm-zoned: ensure only power of 2 zone sizes are allowed Pankaj Raghav
[not found] ` <CGME20220615101955eucas1p19b9d42ead7331f69f7dad1ec100312c2@eucas1p1.samsung.com>
2022-06-15 10:19 ` [PATCH v7 09/13] dm-zone: use generic helpers to calculate offset from zone start Pankaj Raghav
[not found] ` <CGME20220615102000eucas1p27720aaa3c309327b2b9a33c5f840f498@eucas1p2.samsung.com>
2022-06-15 10:19 ` [PATCH v7 10/13] dm-table: use bdev_is_zone_start helper in device_area_is_invalid() Pankaj Raghav
2022-06-15 11:53 ` Damien Le Moal
2022-06-16 9:55 ` Pankaj Raghav
2022-06-16 23:29 ` Damien Le Moal
[not found] ` <CGME20220615102004eucas1p1e458ea097d381058b16fc6daa3eec998@eucas1p1.samsung.com>
2022-06-15 10:19 ` [PATCH v7 11/13] dm-table: allow non po2 zoned devices Pankaj Raghav
[not found] ` <CGME20220615102007eucas1p1106f9520e2a86beb3792107dffd8071b@eucas1p1.samsung.com>
2022-06-15 10:19 ` [PATCH v7 12/13] dm: call dm_zone_endio after the target endio callback for " Pankaj Raghav
2022-06-15 11:01 ` [dm-devel] " Damien Le Moal
2022-06-16 12:24 ` Pankaj Raghav
2022-06-16 23:33 ` Damien Le Moal
[not found] ` <CGME20220615102011eucas1p220368db4a186181b1927dea50a79e5d4@eucas1p2.samsung.com>
2022-06-15 10:19 ` [PATCH v7 13/13] dm: add non power of 2 zoned target Pankaj Raghav
2022-06-15 11:49 ` Damien Le Moal
2022-06-16 16:12 ` Pankaj Raghav
2022-06-16 23:49 ` Damien Le Moal
2022-06-17 5:45 ` Pankaj Raghav
2022-06-17 6:12 ` Damien Le Moal
2022-06-17 6:40 ` Pankaj Raghav
2022-06-17 6:56 ` Damien Le Moal
2022-06-17 8:03 ` Pankaj Raghav
2022-06-15 14:19 ` kernel test robot
2022-06-15 19:54 ` Randy Dunlap
2022-06-16 10:28 ` Pankaj Raghav
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