From: Markus Armbruster <armbru@redhat.com>
To: Sam Li <faithilikerun@gmail.com>
Cc: qemu-devel <qemu-devel@nongnu.org>,
Damien Le Moal <damien.lemoal@opensource.wdc.com>,
Dmitry Fomichev <dmitry.fomichev@wdc.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Hanna Reitz <hreitz@redhat.com>,
qemu block <qemu-block@nongnu.org>,
Eric Blake <eblake@redhat.com>, Kevin Wolf <kwolf@redhat.com>,
Fam Zheng <fam@euphon.net>, Hannes Reinecke <hare@suse.de>
Subject: Re: [RFC v4 0/9] Add support for zoned device
Date: Mon, 18 Jul 2022 12:53:56 +0200 [thread overview]
Message-ID: <871quid73v.fsf@pond.sub.org> (raw)
In-Reply-To: <CAAAx-8LNouyevjpbkC4yrQ+twfx+7-XvTzJ+3fkZ19xmm8g=8A@mail.gmail.com> (Sam Li's message of "Tue, 12 Jul 2022 13:59:32 +0800")
Sam Li <faithilikerun@gmail.com> writes:
> Markus Armbruster <armbru@redhat.com> 于2022年7月12日周二 13:47写道：
>>
>> Sam Li <faithilikerun@gmail.com> writes:
>>
>> > This patch series adds support for zoned device to virtio-blk emulation. Zoned
>> > Storage can support sequential writes, which reduces write amplification in SSD,
>> > leading to higher write throughput and increased capacity.
>>
>> Forgive me if this has already been discussed, or is explained deeper in
>> the patch series...
>>
>> The commit message sounds like you're extending virtio-blk to optionally
>> emulate zoned storage. Correct?
>
> Yes! The main purpose is to emulate zoned storage only for the zoned
> device files. Right now, QEMU sees those as regular block devices.
>
>> PATCH 1 adds a new block block device driver 'zoned_host_device', and
>> PATCH 9 exposes it in QAPI. This is for passing through a zoned host
>> device, correct?
>
> Yes! It allows the guest os see zoned host device. It is still in
> development. Maybe the implementations will change later.
Your cover letter only mentions the virtio-blk part, not the
pass-through part. Please correct that if you need to respin.
next prev parent reply other threads:[~2022-07-18 10:56 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-12 2:13 [RFC v4 0/9] Add support for zoned device Sam Li
2022-07-12 2:13 ` [RFC v4 1/9] block: add block layer APIs resembling Linux ZonedBlockDevice ioctls Sam Li
2022-07-12 6:10 ` Hannes Reinecke
2022-07-12 6:17 ` Sam Li
2022-07-12 7:35 ` Damien Le Moal
2022-07-13 0:54 ` Sam Li
2022-07-12 15:49 ` Stefan Hajnoczi
2022-07-12 22:12 ` Damien Le Moal
2022-07-13 6:22 ` Stefan Hajnoczi
2022-07-13 0:51 ` Sam Li
2022-07-13 6:19 ` Stefan Hajnoczi
2022-07-12 2:13 ` [RFC v4 2/9] qemu-io: add zoned block device operations Sam Li
2022-07-12 6:14 ` Hannes Reinecke
2022-07-12 7:44 ` Damien Le Moal
2022-07-27 14:13 ` Stefan Hajnoczi
2022-07-28 1:57 ` Damien Le Moal
2022-07-12 2:13 ` [RFC v4 3/9] file-posix: introduce get_sysfs_long_val for a block queue of sysfs attribute Sam Li
2022-07-12 6:16 ` Hannes Reinecke
2022-07-12 7:37 ` Damien Le Moal
2022-07-12 2:13 ` [RFC v4 4/9] file-posix: introduce get_sysfs_str_val for device zoned model Sam Li
2022-07-12 6:17 ` Hannes Reinecke
2022-07-12 6:35 ` Damien Le Moal
2022-07-12 7:42 ` Damien Le Moal
2022-07-12 2:13 ` [RFC v4 5/9] qemu-iotests: test new zone operations Sam Li
2022-07-27 14:34 ` Stefan Hajnoczi
2022-07-27 14:59 ` Ming Lei
2022-07-27 15:12 ` Stefan Hajnoczi
2022-07-12 2:13 ` [RFC v4 6/9] raw-format: add " Sam Li
2022-07-27 14:39 ` Stefan Hajnoczi
2022-07-12 2:13 ` [RFC v4 7/9] config: add check to block layer Sam Li
2022-07-27 14:50 ` Stefan Hajnoczi
2022-07-12 2:13 ` [RFC v4 8/9] include: add support for zoned block devices Sam Li
2022-07-27 14:52 ` Stefan Hajnoczi
2022-07-12 2:13 ` [RFC v4 9/9] qapi: add support for zoned host device Sam Li
2022-07-12 7:48 ` Damien Le Moal
2022-07-27 14:53 ` Stefan Hajnoczi
2022-07-12 5:47 ` [RFC v4 0/9] Add support for zoned device Markus Armbruster
2022-07-12 5:59 ` Sam Li
2022-07-18 10:53 ` Markus Armbruster [this message]
2022-07-27 14:55 ` Stefan Hajnoczi
2022-07-27 15:06 ` Stefan Hajnoczi
2022-07-27 15:14 ` Sam Li
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