Re: [PATCH v5 6/7] blktrace: break out of blktrace setup on concurrent calls

[Christoph Hellwig]

On Sat, May 16, 2020 at 03:19:55AM +0000, Luis Chamberlain wrote:
> We use one blktrace per request_queue, that means one per the entire
> disk.  So we cannot run one blktrace on say /dev/vda and then /dev/vda1,
> or just two calls on /dev/vda.
> 
> We check for concurrent setup only at the very end of the blktrace setup though.

Too long line in the changelog.

Otherwise this looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>