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From: Pankaj Raghav <p.raghav@samsung.com>
To: Bart Van Assche <bvanassche@acm.org>,
	<damien.lemoal@opensource.wdc.com>, <hch@lst.de>,
	<axboe@kernel.dk>, <snitzer@kernel.org>,
	<Johannes.Thumshirn@wdc.com>
Cc: <matias.bjorling@wdc.com>, <gost.dev@samsung.com>,
	<linux-kernel@vger.kernel.org>, <hare@suse.de>,
	<linux-block@vger.kernel.org>, <pankydev8@gmail.com>,
	<jaegeuk@kernel.org>, <dm-devel@redhat.com>,
	<linux-nvme@lists.infradead.org>,
	Luis Chamberlain <mcgrof@kernel.org>
Subject: Re: [PATCH v8 02/11] block: allow blk-zoned devices to have non-power-of-2 zone size
Date: Fri, 29 Jul 2022 11:09:14 +0200	[thread overview]
Message-ID: <f577e147-c692-97b1-3262-2684649b5eae@samsung.com> (raw)
In-Reply-To: <514f85ce-84fc-1186-7169-a29d7118e8cc@acm.org>

On 2022-07-28 15:29, Bart Van Assche wrote:

>> But I am fine with going back to bdev_is_zone_start if you and Damien
>> feel strongly otherwise.
> The "zone start LBA" terminology occurs in ZBC-1, ZBC-2 and ZNS but
> "zone aligned" not. I prefer "zone start" because it is clear,
> unambiguous and because it has the same meaning as in the corresponding
> standards documents. I propose to proceed as follows for checking
> whether a number of LBAs is a multiple of the zone length:
> * Either use bdev_is_zone_start() directly.
> * Or introduce a synonym for bdev_is_zone_start() with an appropriate
> name, e.g. bdev_is_zone_len_multiple().
> 
Thanks for the clarification Bart. I will go with bdev_is_zone_start()
as it is also a commonly used terminology.
> Thanks,
> 
> Bart.

WARNING: multiple messages have this Message-ID (diff)
From: Pankaj Raghav <p.raghav@samsung.com>
To: Bart Van Assche <bvanassche@acm.org>,
	<damien.lemoal@opensource.wdc.com>, <hch@lst.de>,
	<axboe@kernel.dk>, <snitzer@kernel.org>,
	<Johannes.Thumshirn@wdc.com>
Cc: pankydev8@gmail.com, gost.dev@samsung.com,
	linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
	linux-block@vger.kernel.org, dm-devel@redhat.com,
	jaegeuk@kernel.org, matias.bjorling@wdc.com,
	Luis Chamberlain <mcgrof@kernel.org>
Subject: Re: [dm-devel] [PATCH v8 02/11] block: allow blk-zoned devices to have non-power-of-2 zone size
Date: Fri, 29 Jul 2022 11:09:14 +0200	[thread overview]
Message-ID: <f577e147-c692-97b1-3262-2684649b5eae@samsung.com> (raw)
In-Reply-To: <514f85ce-84fc-1186-7169-a29d7118e8cc@acm.org>

On 2022-07-28 15:29, Bart Van Assche wrote:

>> But I am fine with going back to bdev_is_zone_start if you and Damien
>> feel strongly otherwise.
> The "zone start LBA" terminology occurs in ZBC-1, ZBC-2 and ZNS but
> "zone aligned" not. I prefer "zone start" because it is clear,
> unambiguous and because it has the same meaning as in the corresponding
> standards documents. I propose to proceed as follows for checking
> whether a number of LBAs is a multiple of the zone length:
> * Either use bdev_is_zone_start() directly.
> * Or introduce a synonym for bdev_is_zone_start() with an appropriate
> name, e.g. bdev_is_zone_len_multiple().
> 
Thanks for the clarification Bart. I will go with bdev_is_zone_start()
as it is also a commonly used terminology.
> Thanks,
> 
> Bart.

--
dm-devel mailing list
dm-devel@redhat.com
https://listman.redhat.com/mailman/listinfo/dm-devel


  reply	other threads:[~2022-07-29  9:09 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20220727162246eucas1p1a758799f13d36ba99d30bf92cc5e2754@eucas1p1.samsung.com>
2022-07-27 16:22 ` [PATCH v8 00/11] support non power of 2 zoned device Pankaj Raghav
2022-07-27 16:22   ` [dm-devel] " Pankaj Raghav
     [not found]   ` <CGME20220727162247eucas1p203fc14aa17ecbcb3e6215d5304bb0c85@eucas1p2.samsung.com>
2022-07-27 16:22     ` [PATCH v8 01/11] block: make bdev_nr_zones and disk_zone_no generic for npo2 zsze Pankaj Raghav
2022-07-27 16:22       ` [dm-devel] " Pankaj Raghav
2022-07-28  2:54       ` Damien Le Moal
2022-07-28  2:54         ` [dm-devel] " Damien Le Moal
     [not found]   ` <CGME20220727162248eucas1p2ff8c3c2b021bedcae3960024b4e269e9@eucas1p2.samsung.com>
2022-07-27 16:22     ` [PATCH v8 02/11] block: allow blk-zoned devices to have non-power-of-2 zone size Pankaj Raghav
2022-07-27 16:22       ` [dm-devel] " Pankaj Raghav
2022-07-27 23:16       ` Bart Van Assche
2022-07-27 23:16         ` [dm-devel] " Bart Van Assche
2022-07-28 12:11         ` Pankaj Raghav
2022-07-28 12:11           ` [dm-devel] " Pankaj Raghav
2022-07-28 13:29           ` Bart Van Assche
2022-07-28 13:29             ` [dm-devel] " Bart Van Assche
2022-07-29  9:09             ` Pankaj Raghav [this message]
2022-07-29  9:09               ` Pankaj Raghav
2022-07-28  3:07       ` Damien Le Moal
2022-07-28  3:07         ` [dm-devel] " Damien Le Moal
2022-07-28 12:24         ` Pankaj Raghav
2022-07-28 12:24           ` [dm-devel] " Pankaj Raghav
     [not found]   ` <CGME20220727162249eucas1p28fa44c840e590f6f1b53e0cc12ee3771@eucas1p2.samsung.com>
2022-07-27 16:22     ` [PATCH v8 03/11] nvme: zns: Allow ZNS drives that have non-power_of_2 " Pankaj Raghav
2022-07-27 16:22       ` [dm-devel] " Pankaj Raghav
     [not found]   ` <CGME20220727162250eucas1p133e8a814fee934f7161866122ef93273@eucas1p1.samsung.com>
2022-07-27 16:22     ` [PATCH v8 04/11] nvmet: Allow ZNS target to support non-power_of_2 zone sizes Pankaj Raghav
2022-07-27 16:22       ` [dm-devel] " Pankaj Raghav
2022-07-28  3:09       ` Damien Le Moal
2022-07-28  3:09         ` [dm-devel] " Damien Le Moal
2022-07-29  7:45         ` Pankaj Raghav
2022-07-29  7:45           ` Pankaj Raghav
     [not found]   ` <CGME20220727162251eucas1p12939ac3864fd8705ae139eb2d1087d8f@eucas1p1.samsung.com>
2022-07-27 16:22     ` [PATCH v8 05/11] null_blk: allow non power of 2 zoned devices Pankaj Raghav
2022-07-27 16:22       ` [dm-devel] " Pankaj Raghav
2022-07-27 21:59       ` Chaitanya Kulkarni
2022-07-27 21:59         ` [dm-devel] " Chaitanya Kulkarni
2022-07-29  7:51         ` Pankaj Raghav
2022-07-29  7:51           ` [dm-devel] " Pankaj Raghav
2022-07-28  3:14       ` Damien Le Moal
2022-07-28  3:14         ` [dm-devel] " Damien Le Moal
     [not found]   ` <CGME20220727162252eucas1p25be8b79231334fa0c759c2475859e93b@eucas1p2.samsung.com>
2022-07-27 16:22     ` [PATCH v8 06/11] zonefs: " Pankaj Raghav
2022-07-27 16:22       ` [dm-devel] " Pankaj Raghav
2022-07-28  3:16       ` Damien Le Moal
2022-07-28  3:16         ` [dm-devel] " Damien Le Moal
     [not found]   ` <CGME20220727162253eucas1p1a5912e0494f6918504cc8ff15ad5d31f@eucas1p1.samsung.com>
2022-07-27 16:22     ` [PATCH v8 07/11] dm-zoned: ensure only power of 2 zone sizes are allowed Pankaj Raghav
2022-07-27 16:22       ` [dm-devel] " Pankaj Raghav
2022-07-28  3:18       ` Damien Le Moal
2022-07-28  3:18         ` [dm-devel] " Damien Le Moal
2022-07-28 12:15       ` David Sterba
2022-07-28 12:15         ` [dm-devel] " David Sterba
2022-07-29  8:00         ` Pankaj Raghav
2022-07-29  8:00           ` [dm-devel] " Pankaj Raghav
     [not found]   ` <CGME20220727162254eucas1p1fd990f746d9f9870b8d58ee0bd01fedd@eucas1p1.samsung.com>
2022-07-27 16:22     ` [PATCH v8 08/11] dm-zone: use generic helpers to calculate offset from zone start Pankaj Raghav
2022-07-27 16:22       ` [dm-devel] " Pankaj Raghav
2022-07-28  3:20       ` Damien Le Moal
2022-07-28  3:20         ` [dm-devel] " Damien Le Moal
     [not found]   ` <CGME20220727162255eucas1p2945c6dca42b799bb3b4abf3edb83dde8@eucas1p2.samsung.com>
2022-07-27 16:22     ` [PATCH v8 09/11] dm-table: allow non po2 zoned devices Pankaj Raghav
2022-07-27 16:22       ` [dm-devel] " Pankaj Raghav
2022-07-28  3:22       ` Damien Le Moal
2022-07-28  3:22         ` [dm-devel] " Damien Le Moal
     [not found]   ` <CGME20220727162256eucas1p284a15532173cce3eca46eee0cee3acdd@eucas1p2.samsung.com>
2022-07-27 16:22     ` [PATCH v8 10/11] dm: call dm_zone_endio after the target endio callback for " Pankaj Raghav
2022-07-27 16:22       ` [dm-devel] " Pankaj Raghav
2022-07-28  3:25       ` Damien Le Moal
2022-07-28  3:25         ` [dm-devel] " Damien Le Moal
2022-07-29  8:48         ` Pankaj Raghav
2022-07-29  8:48           ` [dm-devel] " Pankaj Raghav
     [not found]   ` <CGME20220727162257eucas1p2848a75c4aa7e559abb5d9ae0fbd374c1@eucas1p2.samsung.com>
2022-07-27 16:22     ` [PATCH v8 11/11] dm: add power-of-2 zoned target for non-power-of-2 " Pankaj Raghav
2022-07-27 16:22       ` [dm-devel] " Pankaj Raghav
2022-07-28  4:33       ` Damien Le Moal
2022-07-28  4:33         ` [dm-devel] " Damien Le Moal
2022-08-01  8:35         ` Pankaj Raghav
2022-08-01  8:35           ` [dm-devel] " Pankaj Raghav
2022-07-27 23:19   ` [PATCH v8 00/11] support non power of 2 zoned device Bart Van Assche
2022-07-27 23:19     ` [dm-devel] " Bart Van Assche
2022-07-28  1:52     ` Damien Le Moal
2022-07-28  1:52       ` [dm-devel] " Damien Le Moal
2022-07-28  2:58       ` Bart Van Assche
2022-07-28  2:58         ` [dm-devel] " Bart Van Assche
2022-07-28  3:28         ` Damien Le Moal
2022-07-28  3:28           ` [dm-devel] " Damien Le Moal
2022-07-28 11:57     ` Pankaj Raghav
2022-07-28 11:57       ` [dm-devel] " Pankaj Raghav
2022-07-28 13:30       ` Bart Van Assche
2022-07-28 13:30         ` [dm-devel] " Bart Van Assche

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