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Date:   Sun, 5 Dec 2021 22:59:09 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     Jens Axboe <axboe@kernel.dk>
Cc:     "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>
Subject: Re: [PATCH] block: avoid clearing blk_mq_alloc_data unnecessarily
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On Fri, Dec 03, 2021 at 08:48:09AM -0700, Jens Axboe wrote:
> We already set almost all of what we need here, just the non-plug
> path needs to set nr_tags and clear cached.

How does this avoid clearing?  All partial initializers zero the rest of
the structure.