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Re: [Qemu-devel] [PATCH 1.2 3/7] block: always open protocol in writebac

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 1.2 3/7] block: always open protocol in writeback mode
Date: Thu, 31 May 2012 14:30:30 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1

Il 31/05/2012 13:56, Kevin Wolf ha scritto:
>> > Because in this case there is no format over it, so the topmost BDS will
>> > be open with BDRV_O_CACHE_WB and no one will call bdrv_flush.
> Doesn't block.c do it now? bs->enable_write_cache still wouldn't be set,
> even if .bdrv_file_open() is called with BDRV_O_CACHE_WB.

You're right.


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