Re: [Qemu-devel] [PATCH v6 2/3] linux-aio: handling -EAGAIN for !s->io_q.plugged case

[Stefan Hajnoczi]

On Tue, Nov 25, 2014 at 03:23:12PM +0800, Ming Lei wrote:
> Previously -EAGAIN is simply ignored for !s->io_q.plugged case,
> and sometimes it is easy to cause -EIO to VM, such as NVME device.
> 
> This patch handles -EAGAIN by io queue for !s->io_q.plugged case,
> and it will be retried in following aio completion cb.
> 
> Reviewed-by: Paolo Bonzini <address@hidden>
> Suggested-by: Paolo Bonzini <address@hidden>
> Signed-off-by: Ming Lei <address@hidden>
> ---
>  block/linux-aio.c |   24 ++++++++++++++++--------
>  1 file changed, 16 insertions(+), 8 deletions(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>

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