From: Konstantin Khorenko <khorenko@virtuozzo.com>
To: Alexander Ivanov <alexander.ivanov@virtuozzo.com>,
andrey.zhadchenko@virtuozzo.com
Cc: devel@openvz.org
Subject: Re: [Devel] [PATCH hci-8.1 3/3] drivers/md/dm-qcow2: do not revalidate inconsistent persistent bitmaps
Date: Thu, 29 Oct 2026 12:39:02 +0100 [thread overview]
Message-ID: <e960fb50-25d6-471e-b24f-04983b5de768@virtuozzo.com> (raw)
In-Reply-To: <20261023132008.2304901-4-alexander.ivanov@virtuozzo.com>
> Keep the bitmaps bit only if it is set in the image.
Please add
Fixes: f913aa3f7a1d4 ("dm-qcow2: parse bitmap extension")
That commit replaced the raw read of autoclear_features with the
zero-then-set logic, so it is where a clear on-disk bit started to be
set again.
On the Sashiko thread: agreed with your reply, nothing to change here.
The driver does not check header_length >= 104 for v3 the way qemu
does; that is a separate one-liner, not for this series.
--
Best regards,
Konstantin Khorenko,
Virtuozzo Linux Kernel Team
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next prev parent reply other threads:[~2026-10-29 11:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-23 13:20 [Devel] [PATCH hci-8.1 0/3] dm-qcow2: keep images of a read-only table unmodified Alexander Ivanov
2026-10-23 13:20 ` [Devel] [PATCH hci-8.1 1/3] drivers/md/dm-qcow2: treat images of a read-only table as read-only Alexander Ivanov
2026-10-23 13:24 ` no-reply
2026-10-29 11:36 ` Konstantin Khorenko
2026-10-23 13:20 ` [Devel] [PATCH hci-8.1 2/3] drivers/md/dm-qcow2: fail writes to a read-only table Alexander Ivanov
2026-10-23 13:23 ` no-reply
2026-10-28 10:35 ` Andrey Zhadchenko
2026-10-23 13:20 ` [Devel] [PATCH hci-8.1 3/3] drivers/md/dm-qcow2: do not revalidate inconsistent persistent bitmaps Alexander Ivanov
2026-10-23 13:25 ` no-reply
2026-10-23 13:58 ` Alexander Ivanov
2026-10-29 11:39 ` Konstantin Khorenko [this message]
2026-10-28 10:47 ` [Devel] [PATCH hci-8.1 0/3] dm-qcow2: keep images of a read-only table unmodified Andrey Zhadchenko
2026-10-29 11:42 ` Konstantin Khorenko
2026-10-29 14:48 ` Alexander Ivanov
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