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Re: [Qemu-block] [PATCH v2 0/7] Call check and invalidate_cache from cor

From: Paolo Bonzini
Subject: Re: [Qemu-block] [PATCH v2 0/7] Call check and invalidate_cache from coroutine context
Date: Wed, 17 Jan 2018 14:15:31 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0

On 17/01/2018 13:59, Kevin Wolf wrote:
> Am 17.01.2018 um 12:25 hat Paolo Bonzini geschrieben:
>> Check and invalidate_cache share some parts of the implementation
>> with the regular I/O path.  This is sometimes complicated because the
>> I/O path wants to use a CoMutex but that is not possible outside coroutine
>> context.  By moving things to coroutine context, we can remove special
>> cases.  In fact, invalidate_cache is already called from coroutine context
>> because incoming migration is placed in a coroutine.
>> While at it, I'm including two patches from Stefan to rename the
>> bdrv_create callback to bdrv_co_create, because it is already called
>> from coroutine context.
> I'm using .bdrv_co_create for the QAPI type based function that will be
> used from QMP blockdev-create, so it would be good if we leave the
> legacy function with its old name or at least choose a different new
> name for it.

.bdrv_co_create_opts since it takes QemuOpts*?



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