Re: [Qemu-devel] [PATCH v2 0/7] finish coroutinization of drivers

[Kevin Wolf]

Am 20.10.2011 13:16, schrieb Paolo Bonzini:
> Drivers that only implement the bdrv_read and bdrv_write callbacks
> were unwillingly converted to be reentrant when bdrv_read and
> bdrv_write were changed to always create coroutines.  So,
> we need locks aroudn read and write operations.
> 
> This series does this (patches 4-6) and removes the flush/discard
> callbacks that, as it turns out, are really duplicates of co_flush
> and co_discard (patches 7-8).
> 
> Patches 1-2 are cleanups that I discovered while testing.
> 
> v1->v2: rwlock->mutex, convert read-only drivers too, drop vpc change
> 
> Paolo Bonzini (7):
>   vmdk: fix return values of vmdk_parent_open
>   vmdk: clean up open
>   block: add a CoMutex to synchronous read drivers
>   block: take lock around bdrv_read implementations
>   block: take lock around bdrv_write implementations
>   block: change flush to co_flush
>   block: change discard to co_discard

Thanks, applied all to the block branch.

Kevin