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Re: [PATCH 1/2] block: make bdrv_drop_intermediate() less wrong

From: Max Reitz
Subject: Re: [PATCH 1/2] block: make bdrv_drop_intermediate() less wrong
Date: Thu, 5 Nov 2020 14:24:02 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 
On 05.11.20 14:22, Max Reitz wrote:

On 31.10.20 13:35, Vladimir Sementsov-Ogievskiy wrote:

First, permission update loop tries to do iterations transactionally,
but the whole update is not transactional: nobody roll-back successful
loop iterations when some iteration fails.


[...]


And besides rolling back on error, we don’t commit on success either.


(Oh, we do, through bdrv_replace_child().  Well.)

Max
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