Re: [Qemu-devel] [PATCH v3 0/5] block: fix blk_aio_*() segfault when blk->root == NULL

[Kevin Wolf]

Am 16.02.2018 um 17:50 hat Stefan Hajnoczi geschrieben:
> v3:
>  * Add Patch 1 to rename aio_context_in_iothread() to
>    in_aio_context_home_thread() [Eric]
> v2:
>  * Introduce AIO_WAIT_WHILE() since aio_poll(ctx, true) is not allowed [Paolo]
> 
> Using bdrv_inc_in_flight(blk_bs(blk)) doesn't work since BlockBackend->root 
> may
> be NULL.
> 
> This patch series solves the issue by adding an BlockBackend->in_flight 
> counter
> so requests can be tracked even when there is no BlockDriverState.
> 
> This should fix the IDE and virtio-blk segfaults that have been encountered
> when there is no BlockDriverState.
> 
> The patch is based on work by Kevin Wolf.

Thanks, applied to the block branch.

Kevin