From: Vasileios Almpanis <vasileios.almpanis@virtuozzo.com>
To: Andrey Zhadchenko <andrey.zhadchenko@virtuozzo.com>
Cc: devel@openvz.org
Subject: Re: [Devel] [PATCH VZ10 v3 00/11] dm-qcow2: improve discard and read-only merge handling
Date: Wed, 26 Aug 2026 10:27:41 +0000 [thread overview]
Message-ID: <178774006169.524124.18176597640730293205.b4-review@b4> (raw)
In-Reply-To: <20260825122430.252094-1-andrey.zhadchenko@virtuozzo.com>
On Tue, 25 Aug 2026 15:24:19 +0300, Andrey Zhadchenko <andrey.zhadchenko@virtuozzo.com> wrote:
> dm-qcow2: improve discard and read-only merge handling
>
> This series makes discard update qcow2 metadata and permits backward
> merge from read-only source images.
>
> First patch improves revert_cluster_alloc: this function didn't expect
> L2 entries to contain subcluster descriptions (when ext2_l2 is set).
>
> [...]
Reviewed-by: Vasileios Almpanis <vasileios.almpanis@virtuozzo.com>
--
Vasileios Almpanis <vasileios.almpanis@virtuozzo.com>
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prev parent reply other threads:[~2026-08-26 10:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-25 12:24 Andrey Zhadchenko
2026-08-25 12:24 ` [Devel] [PATCH VZ10 v3 01/11] drivers/md/dm-qcow2: do not attach a bvec to discard qios Andrey Zhadchenko
2026-08-25 12:24 ` [Devel] [PATCH VZ10 v3 02/11] drivers/md/dm-qcow2: fix revert_cluster_alloc() for ext_l2 case Andrey Zhadchenko
2026-08-25 12:24 ` [Devel] [PATCH VZ10 v3 03/11] drivers/md/dm-qcow2: generalize COW index update machinery Andrey Zhadchenko
2026-08-25 12:24 ` [Devel] [PATCH VZ10 v3 04/11] drivers/md/dm-qcow2: update metadata on whole cluster discard Andrey Zhadchenko
2026-08-25 12:24 ` [Devel] [PATCH VZ10 v3 05/11] drivers/md/dm-qcow2: never trigger COW or allocation on discard Andrey Zhadchenko
2026-08-25 12:24 ` [Devel] [PATCH VZ10 v3 06/11] drivers/md/dm-qcow2: set L2_READS_ALL_ZEROES after some discards Andrey Zhadchenko
2026-08-25 17:10 ` Konstantin Khorenko
2026-08-25 12:24 ` [Devel] [PATCH VZ10 v3 07/11] drivers/md/dm-qcow2: update metadata on subclusters discard Andrey Zhadchenko
2026-08-25 12:24 ` [Devel] [PATCH VZ10 v3 08/11] drivers/md/dm-qcow2: unmap cluster when discard clears last allocated subclusters Andrey Zhadchenko
2026-08-25 12:24 ` [Devel] [PATCH VZ10 v3 09/11] drivers/md/dm-qcow2: do discards during backward merge only for writable image Andrey Zhadchenko
2026-08-25 17:12 ` Konstantin Khorenko
2026-08-25 12:24 ` [Devel] [PATCH VZ10 v3 10/11] drivers/md/dm-qcow2: allow shared L1 entries during merge from RO image Andrey Zhadchenko
2026-08-25 12:24 ` [Devel] [PATCH VZ10 v3 11/11] drivers/md/dm-qcow2: respect zeroes during merge Andrey Zhadchenko
2026-08-25 16:54 ` [Devel] [PATCH VZ10 v3 00/11] dm-qcow2: improve discard and read-only merge handling Pavel Tikhomirov
2026-08-26 10:27 ` Vasileios Almpanis [this message]
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