From: Damien Le Moal <dlemoal@kernel.org>
To: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
Damien Le Moal <damien.lemoal@wdc.com>,
linux-block@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: remove another host aware model leftover
Date: Thu, 28 Dec 2023 17:45:29 +0900 [thread overview]
Message-ID: <6933c048-f77b-4645-a667-adae0f89b347@kernel.org> (raw)
In-Reply-To: <20231228075141.362560-1-hch@lst.de>
On 12/28/23 16:51, Christoph Hellwig wrote:
> Hi all,
>
> now that support for the host aware zoned model is gone in the
> for-6.8/block branch, there is no way the sd driver can find a device
> where is has to clear the zoned flag, and we can thus remove the code
> for it, including a block layer helper.
Hmmm... There is one case: if the user uses a passthrough command to issue a
FORMAT WITH PRESET command to reformat the disk from SMR to CMR or from CMR to
SMR. The next revalidate will see a different device type in this case, and
SMR-to-CMR reformat will need clearing the zoned stuff.
>
> Diffstat:
> block/blk-zoned.c | 21 ---------------------
> drivers/scsi/sd.c | 7 +++----
> include/linux/blkdev.h | 1 -
> 3 files changed, 3 insertions(+), 26 deletions(-)
>
--
Damien Le Moal
Western Digital Research
next prev parent reply other threads:[~2023-12-28 8:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-28 7:51 remove another host aware model leftover Christoph Hellwig
2023-12-28 7:51 ` [PATCH 1/2] sd: remove the !ZBC && blk_queue_is_zoned case in sd_read_block_characteristics Christoph Hellwig
2024-01-08 8:48 ` Hannes Reinecke
2023-12-28 7:51 ` [PATCH 2/2] block: remove disk_clear_zoned Christoph Hellwig
2024-01-08 8:48 ` Hannes Reinecke
2023-12-28 8:45 ` Damien Le Moal [this message]
2023-12-28 17:14 ` remove another host aware model leftover Christoph Hellwig
2024-01-03 0:02 ` Damien Le Moal
2024-01-08 8:24 ` Christoph Hellwig
2024-01-08 15:26 ` Jens Axboe
2024-01-08 16:14 ` Martin K. Petersen
2024-01-08 19:16 ` Jens Axboe
2024-01-08 15:27 ` Jens Axboe
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