On Mon, 2018-04-16 at 20:27 +0000, Bean Huo (beanhuo) wrote:
> By the way, these patches are not to add new feature, they are just to
> add print tag along with the other exist printed request parameters.

Are you aware that there are two tag fields in struct request, namely "tag"
and "internal_tag"? Are you aware that how these fields are used depends on
whether or not a scheduler is attached to a request queue? Have you verified
that the "tag" field contains a meaningful value for blk-mq for every blk-mq



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