Re: [dm-devel] [PATCH v12 08/13] dm-zoned: ensure only power of 2 zone sizes... | linux-block

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[PATCH v12 00/13] support zoned block devices with non-power-of-2 zone sizes · Pankaj Raghav <hidden> · 2022-08-23
[PATCH v12 01/13] block: make bdev_nr_zones and disk_zone_no generic for npo2 zone size · Pankaj Raghav <hidden> · 2022-08-23
[PATCH v12 05/13] nvme: zns: Allow ZNS drives that have non-power_of_2 zone size · Pankaj Raghav <hidden> · 2022-08-23
Re: [PATCH v12 05/13] nvme: zns: Allow ZNS drives that have non-power_of_2 zone size · Bart Van Assche <bvanassche@acm.org> · 2022-08-25
[PATCH v12 06/13] null_blk: allow zoned devices with non power-of-2 zone sizes · Pankaj Raghav <hidden> · 2022-08-23
Re: [PATCH v12 06/13] null_blk: allow zoned devices with non power-of-2 zone sizes · Bart Van Assche <bvanassche@acm.org> · 2022-08-25
[PATCH v12 10/13] dm-table: allow zoned devices with non power-of-2 zone sizes · Pankaj Raghav <hidden> · 2022-08-23
Re: [PATCH v12 10/13] dm-table: allow zoned devices with non power-of-2 zone sizes · Mike Snitzer <hidden> · 2022-09-02
[PATCH v12 08/13] dm-zoned: ensure only power of 2 zone sizes are allowed · Pankaj Raghav <hidden> · 2022-08-23
Re: [dm-devel] [PATCH v12 08/13] dm-zoned: ensure only power of 2 zone sizes are allowed · Bart Van Assche <bvanassche@acm.org> · 2022-08-25
Re: [PATCH v12 08/13] dm-zoned: ensure only power of 2 zone sizes are allowed · Mike Snitzer <hidden> · 2022-09-02
[PATCH v12 03/13] block: allow blk-zoned devices to have non-power-of-2 zone size · Pankaj Raghav <hidden> · 2022-08-23
Re: [PATCH v12 03/13] block: allow blk-zoned devices to have non-power-of-2 zone size · Jonathan Derrick <jonathan.derrick@linux.dev> · 2022-08-26
Re: [PATCH v12 03/13] block: allow blk-zoned devices to have non-power-of-2 zone size · Jonathan Derrick <jonathan.derrick@linux.dev> · 2022-08-26
[PATCH v12 11/13] dm: call dm_zone_endio after the target endio callback for zoned devices · Pankaj Raghav <hidden> · 2022-08-23
Re: [PATCH v12 11/13] dm: call dm_zone_endio after the target endio callback for zoned devices · Mike Snitzer <hidden> · 2022-09-02
[PATCH v12 04/13] nvmet: Allow ZNS target to support non-power_of_2 zone sizes · Pankaj Raghav <hidden> · 2022-08-23
[PATCH v12 02/13] block:rearrange bdev_{is_zoned,zone_sectors,get_queue} helpers in blkdev.h · Pankaj Raghav <hidden> · 2022-08-23
Re: [PATCH v12 02/13] block:rearrange bdev_{is_zoned,zone_sectors,get_queue} helpers in blkdev.h · Bart Van Assche <bvanassche@acm.org> · 2022-08-25
[PATCH v12 09/13] dm-zone: use generic helpers to calculate offset from zone start · Pankaj Raghav <hidden> · 2022-08-23
Re: [PATCH v12 09/13] dm-zone: use generic helpers to calculate offset from zone start · Bart Van Assche <bvanassche@acm.org> · 2022-08-25
Re: [PATCH v12 09/13] dm-zone: use generic helpers to calculate offset from zone start · Mike Snitzer <hidden> · 2022-09-02
[PATCH v12 07/13] zonefs: allow non power of 2 zoned devices · Pankaj Raghav <hidden> · 2022-08-23
[PATCH v12 13/13] dm: add power-of-2 target for zoned devices with non power-of-2 zone sizes · Pankaj Raghav <hidden> · 2022-08-23
Re: [PATCH v12 13/13] dm: add power-of-2 target for zoned devices with non power-of-2 zone sizes · Shinichiro Kawasaki <hidden> · 2022-08-30
Re: [PATCH v12 13/13] dm: add power-of-2 target for zoned devices with non power-of-2 zone sizes · Pankaj Raghav <hidden> · 2022-08-30
Re: [PATCH v12 13/13] dm: add power-of-2 target for zoned devices with non power-of-2 zone sizes · Pankaj Raghav <hidden> · 2022-09-02
Re: [PATCH v12 13/13] dm: add power-of-2 target for zoned devices with non power-of-2 zone sizes · Mike Snitzer <hidden> · 2022-09-02
Re: [PATCH v12 13/13] dm: add power-of-2 target for zoned devices with non power-of-2 zone sizes · Mike Snitzer <hidden> · 2022-09-02
Re: [PATCH v12 13/13] dm: add power-of-2 target for zoned devices with non power-of-2 zone sizes · Pankaj Raghav <hidden> · 2022-09-05
Re: [PATCH v12 13/13] dm: add power-of-2 target for zoned devices with non power-of-2 zone sizes · Pankaj Raghav <hidden> · 2022-09-05
[PATCH v12 12/13] dm: introduce DM_EMULATED_ZONES target type · Pankaj Raghav <hidden> · 2022-08-23
Re: [PATCH v12 12/13] dm: introduce DM_EMULATED_ZONES target type · Mike Snitzer <hidden> · 2022-09-02
Re: [PATCH v12 12/13] dm: introduce DM_EMULATED_ZONES target type · Pankaj Raghav <hidden> · 2022-09-02
Re: [PATCH v12 12/13] dm: introduce DM_EMULATED_ZONES target type · Mike Snitzer <hidden> · 2022-09-02

Re: [dm-devel] [PATCH v12 08/13] dm-zoned: ensure only power of 2 zone sizes are allowed

From: Bart Van Assche <bvanassche@acm.org>
Date: 2022-08-25 21:51:27
Also in: dm-devel, linux-nvme, lkml

On 8/23/22 05:18, Pankaj Raghav wrote:

From: Luis Chamberlain <mcgrof@kernel.org>

dm-zoned relies on the assumption that the zone size is a
power-of-2(po2) and the zone capacity is same as the zone size.

Ensure only po2 devices can be used as dm-zoned target until a native
support for zoned devices with non-po2 zone size is added.

Reviewed-by: Bart Van Assche <bvanassche@acm.org>

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