Re: [PATCH] loop: remove union of use_aio and ref in struct loop_cmd

[Jens Axboe <axboe@xxxxxxxxx>]

On 09/20/2017 03:24 PM, Omar Sandoval wrote:
> From: Omar Sandoval <osandov@xxxxxx>
> 
> When the request is completed, lo_complete_rq() checks cmd->use_aio.
> However, if this is in fact an aio request, cmd->use_aio will have
> already been reused as cmd->ref by lo_rw_aio*. Fix it by not using a
> union. On x86_64, there's a hole after the union anyways, so this
> doesn't make struct loop_cmd any bigger.

Thanks Omar, applied.

-- 
Jens Axboe