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Date:   Wed, 13 May 2020 06:26:19 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Ming Lei <ming.lei@redhat.com>
Cc:     Jens Axboe <axboe@kernel.dk>, linux-block@vger.kernel.org,
        Sagi Grimberg <sagi@grimberg.me>,
        Baolin Wang <baolin.wang7@gmail.com>,
        Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 8/9] blk-mq: pass obtained budget count to
 blk_mq_dispatch_rq_list
Message-ID: <20200513132619.GA8048@infradead.org>
References: <20200513095443.2038859-1-ming.lei@redhat.com>
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On Wed, May 13, 2020 at 05:54:42PM +0800, Ming Lei wrote:
> Pass obtained budget count to blk_mq_dispatch_rq_list(), and prepare
> for supporting fully batching submission.
> 
> With the obtained budget count, it is easier to put extra budgets
> in case of .queue_rq failure.

I think you can remove the got_budget parameter, as it will be false
exactly when 0 is passed in the new arguent.  Also I think nr_budgets
might be a better name.