linux-kernel - Re: [PATCH 6/6] blk-mq: remove REQ_ATOM

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Message-ID: <8bf8dcc8-6198-902b-5c4c-7c66c17c9fd0@suse.com>
Date:   Tue, 12 Dec 2017 13:17:52 +0200
From:   Nikolay Borisov <nborisov@...e.com>
To:     Tejun Heo <tj@...nel.org>, axboe@...nel.dk
Cc:     linux-kernel@...r.kernel.org, oleg@...hat.com,
        peterz@...radead.org, kernel-team@...com, osandov@...com
Subject: Re: [PATCH 6/6] blk-mq: remove REQ_ATOM_STARTED



On  9.12.2017 21:25, Tejun Heo wrote:
> After the recent updates to use generation number and state based
> synchronization, we can easily replace REQ_ATOM_STARTED usages by
> adding an extra state to distinguish completed but not yet freed
> state.
> 
> Add MQ_RQ_COMPLETE and replace REQ_ATOM_STARTED usages with
> blk_mq_rq_state() tests.  REQ_ATOM_STARTED no longer has any users
> left and is removed.
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>


Where are the promised in patch 5/6 performance results?