[Devel] [PATCH hci-8.1 v11 10/10] dm-qcow2: truncate unused tail of image on suspend

Konstantin Khorenko khorenko at virtuozzo.com
Mon Nov 9 18:42:38 MSK 2026


I won't apply this version, please send v12 with the changes below.

On 11/9/26 15:01, Alexander Ivanov wrote:
> Truncate the file to the used end. Fall back to the old behaviour on
> scan error and after a failed R1/R2 writeback, which leaves refcounts
> on disk stale.

Item 5 of the cover letter reply: the skip is on md_writeback_error,
which a late reftable relocation failure (patch 7) sets as well.

With that fixed:

Reviewed-by: Konstantin Khorenko <khorenko at virtuozzo.com>

-- 
Konstantin Khorenko,
Virtuozzo Linux Kernel Team



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