From: "Philippe Mathieu-Daudé" <philmd@oss.qualcomm.com>
To: "Denis V. Lunev" <den@openvz.org>, qemu-devel@nongnu.org
Cc: qemu-block@nongnu.org
Subject: Re: [PATCH 3/4] tests/qtest/virtio-scsi: cover a replacement that changes the size
Date: Wed, 26 Aug 2026 12:46:47 +0200 [thread overview]
Message-ID: <551c3828-ac37-4e9c-9d27-7f526bb09e76@oss.qualcomm.com> (raw)
In-Reply-To: <20260812121500.1034178-4-den@openvz.org>
On 12/8/26 14:14, Denis V. Lunev wrote:
> Realize a scsi-hd on a 1 MiB node, replace it with a 128 MiB one using
> qom-set, and check that the device reports CAPACITY DATA HAS CHANGED and
> then serves a read which only fits in the new node.
>
> Both halves regress on their own. Without the notification from
> bdrv_replace_child_bs() the first command after the replacement fails with
> ILLEGAL REQUEST / LOGICAL BLOCK ADDRESS OUT OF RANGE instead of the unit
> attention. Without the refresh in scsi_disk_resize_cb() the read after it
> is refused the same way, since nothing here issues READ CAPACITY.
>
> Signed-off-by: Denis V. Lunev <den@openvz.org>
> ---
> tests/qtest/virtio-scsi-test.c | 63 ++++++++++++++++++++++++++++++++++
> 1 file changed, 63 insertions(+)
Reviewed-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
next prev parent reply other threads:[~2026-08-26 10:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-12 12:14 [PATCH 0/4] block, scsi-disk: honour a size change on child replacement Denis V. Lunev
2026-08-12 12:14 ` [PATCH 1/4] block: notify the parent when a replaced child has a different size Denis V. Lunev
2026-08-26 10:53 ` Philippe Mathieu-Daudé
2026-08-12 12:14 ` [PATCH 2/4] scsi-disk: refresh the cached capacity from the resize callback Denis V. Lunev
2026-08-26 10:45 ` Philippe Mathieu-Daudé
2026-08-12 12:14 ` [PATCH 3/4] tests/qtest/virtio-scsi: cover a replacement that changes the size Denis V. Lunev
2026-08-26 10:46 ` Philippe Mathieu-Daudé [this message]
2026-08-12 12:15 ` [PATCH 4/4] tests/qemu-iotests/qom-set-drive: replace with a differently sized node Denis V. Lunev
2026-08-26 10:47 ` Philippe Mathieu-Daudé
2026-08-19 9:36 ` [PATCH 0/4] block, scsi-disk: honour a size change on child replacement Denis V. Lunev
2026-08-26 10:22 ` Denis V. Lunev
2026-09-02 15:39 ` Denis V. Lunev
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