From: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
To: no-reply@sashiko.virtuozzo.com, den@openvz.org
Cc: devel@openvz.org
Subject: Re: [Devel] [PATCH hci-8.1 v5 11/11] dm-ploop: truncate unused tail of top delta on suspend
Date: Tue, 13 Oct 2026 13:00:18 +0200 [thread overview]
Message-ID: <e2206886-d0af-42b5-a350-600273242742@virtuozzo.com> (raw)
In-Reply-To: <010701a134594e79-b508879f-2883-48f0-951f-4da29d820327-000000@eu-central-1.amazonses.com>
> [Severity: Low]
> The commit message says "Skip it if md pages are not clean", but this
> code raises a kernel WARN and then the caller logs an error.
> ...
The WARN is intentional. Once postsuspend is done, md pages must be clean.
> [Severity: Medium]
> Is a flush of the top delta needed before this truncate?
Fixed.
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prev parent reply other threads:[~2026-10-13 11:01 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-13 7:55 [Devel] [PATCH hci-8.1 v5 00/11] dm-ploop: give back " Alexander Ivanov
2026-10-13 7:55 ` [Devel] [PATCH hci-8.1 v5 01/11] dm-ploop: fix u32 overflow of the delta BAT byte size Alexander Ivanov
2026-10-13 8:02 ` no-reply
2026-10-13 9:24 ` Alexander Ivanov
2026-10-13 7:55 ` [Devel] [PATCH hci-8.1 v5 02/11] dm-ploop: fix lost wakeup in ploop_allocator() Alexander Ivanov
2026-10-13 8:00 ` no-reply
2026-10-13 7:55 ` [Devel] [PATCH hci-8.1 v5 03/11] dm-ploop: reject a delta header whose BAT does not cover the target Alexander Ivanov
2026-10-13 8:01 ` no-reply
2026-10-13 7:55 ` [Devel] [PATCH hci-8.1 v5 04/11] dm-ploop: reject empty deltas Alexander Ivanov
2026-10-13 8:02 ` no-reply
2026-10-13 7:55 ` [Devel] [PATCH hci-8.1 v5 05/11] dm-ploop: set delta is_raw before applying its mappings Alexander Ivanov
2026-10-13 8:03 ` no-reply
2026-10-13 7:55 ` [Devel] [PATCH hci-8.1 v5 06/11] dm-ploop: factor out ploop_read_delta() from ploop_add_delta() Alexander Ivanov
2026-10-13 8:04 ` no-reply
2026-10-13 7:55 ` [Devel] [PATCH hci-8.1 v5 07/11] dm-ploop: take bat_lock around md page lookup in ploop_llseek_hole() Alexander Ivanov
2026-10-13 8:06 ` no-reply
2026-10-13 7:55 ` [Devel] [PATCH hci-8.1 v5 08/11] dm-ploop: use wake_up() for inflight_md_wq and dispatcher_wq_prealloc Alexander Ivanov
2026-10-13 8:04 ` no-reply
2026-10-13 7:55 ` [Devel] [PATCH hci-8.1 v5 09/11] dm-ploop: fix use-after-free on the last inflight_md decrement Alexander Ivanov
2026-10-13 8:11 ` no-reply
2026-10-13 7:55 ` [Devel] [PATCH hci-8.1 v5 10/11] dm-ploop: reload metadata on resume Alexander Ivanov
2026-10-13 8:16 ` no-reply
2026-10-13 7:55 ` [Devel] [PATCH hci-8.1 v5 11/11] dm-ploop: truncate unused tail of top delta on suspend Alexander Ivanov
2026-10-13 8:20 ` no-reply
2026-10-13 11:00 ` Alexander Ivanov [this message]
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