From: Niklas Cassel <cassel@kernel.org>
To: Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>
Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org,
Sam Li <faithilikerun@gmail.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Damien Le Moal <dlemoal@kernel.org>
Subject: Re: [PATCH] file-posix: fix zone write granularity assignment for zoned block devices
Date: Fri, 7 Aug 2026 20:06:14 +0200 [thread overview]
Message-ID: <anYelpnMAJeFbs7h@ryzen> (raw)
In-Reply-To: <20260807180257.813627-1-cassel@kernel.org>
On Fri, Aug 07, 2026 at 08:02:57PM +0200, Niklas Cassel wrote:
> In the ZBC and ZAC specifications, the requirement is that the write
> granularity matches the physical block size.
>
> However, in the ZNS specification, the requirement is simply that the
> write granularity matches the logical block size.
>
> See:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a805a4fa4fa376bbc145762bb8b09caa2fa8af48
>
> In Linux, there is a zone_write_granularity sysfs property which abstracts
> this away by providing, so let's make use of it.
nit:
this away, so let's make use of it.
next prev parent reply other threads:[~2026-08-07 18:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-07 18:02 [PATCH] file-posix: fix zone write granularity assignment for zoned block devices Niklas Cassel
2026-08-07 18:06 ` Niklas Cassel [this message]
2026-08-07 19:00 ` Damien Le Moal
2026-08-11 13:45 ` Stefan Hajnoczi
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=anYelpnMAJeFbs7h@ryzen \
--to=cassel@kernel.org \
--cc=dlemoal@kernel.org \
--cc=faithilikerun@gmail.com \
--cc=hreitz@redhat.com \
--cc=kwolf@redhat.com \
--cc=qemu-block@nongnu.org \
--cc=qemu-devel@nongnu.org \
--cc=stefanha@redhat.com \
/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.