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Date: Sun, 17 Oct 2021 06:59:22 -0600 From: Jens Axboe <axboe@...nel.dk> To: Pavel Begunkov <asml.silence@...il.com>, linux-block@...r.kernel.org, linux-kernel@...r.kernel.org Cc: Christoph Hellwig <hch@...radead.org> Subject: Re: [PATCH 0/5] cache request_queue pointer On 10/14/21 8:03 AM, Pavel Begunkov wrote: > Cache request_queue in bdev and replace two derefs in > bdev->bd_disk->queue with bdev->bd_queue. Benchmarking > with nullblk gave me around +1% to peak perf. > > All patches are self contained and don't rely on others from > the set including 1/5 and can be taken separately. And some > changes go in separate patches to minimise conflicts. When > we agree on the approach, I'll send the rest converting some > other spots out of block. Looks fine to me. Christoph, any concerns? One note, though - s/fater/faster in patches 2..5 in the commit message. -- Jens Axboe
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