From: Christoph Hellwig <hch@lst.de>
To: Daniel Wagner <wagi@kernel.org>
Cc: Keith Busch <kbusch@kernel.org>, Jens Axboe <axboe@kernel.dk>,
Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
Ming Lei <ming.lei@redhat.com>,
James Smart <james.smart@broadcom.com>,
Hannes Reinecke <hare@suse.de>,
linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-block@vger.kernel.org
Subject: Re: [PATCH 3/3] blk-mq: fix wait condition for tagset wait completed check
Date: Wed, 29 Jan 2025 07:07:04 +0100 [thread overview]
Message-ID: <20250129060704.GC29266@lst.de> (raw)
In-Reply-To: <20250128-nvme-misc-fixes-v1-3-40c586581171@kernel.org>
On Tue, Jan 28, 2025 at 05:34:48PM +0100, Daniel Wagner wrote:
> blk_mq_tagset_count_completed_reqs returns the number of completed
> requests. The only user of this function is
> blk_mq_tagset_wait_completed_request which wants to know how many
> request are not yet completed. Thus return the number of in flight
> requests and terminate the wait loop when there is no inflight request.
This looks sensible, but you should probably send it directly to
Jens instead of tagging it onto a nvme series.
The code could also really use a comment on what we're counting and why.
next prev parent reply other threads:[~2025-01-29 6:07 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-28 16:34 [PATCH 0/3] misc nvme related fixes Daniel Wagner
2025-01-28 16:34 ` [PATCH 1/3] nvme-tcp: rate limit error message in send path Daniel Wagner
2025-01-29 6:05 ` Christoph Hellwig
2025-01-30 15:25 ` Daniel Wagner
2025-01-31 7:29 ` Christoph Hellwig
2025-01-31 8:09 ` Sagi Grimberg
2025-01-31 8:09 ` Sagi Grimberg
2025-01-28 16:34 ` [PATCH 2/3] nvme-fc: use ctrl state getter Daniel Wagner
2025-01-29 6:05 ` Christoph Hellwig
2025-01-29 18:39 ` Keith Busch
2025-01-31 8:09 ` Sagi Grimberg
2025-01-28 16:34 ` [PATCH 3/3] blk-mq: fix wait condition for tagset wait completed check Daniel Wagner
2025-01-29 6:07 ` Christoph Hellwig [this message]
2025-01-29 9:54 ` Nilay Shroff
2025-01-31 8:13 ` Sagi Grimberg
2025-01-31 8:46 ` Daniel Wagner
2025-01-31 8:54 ` Christoph Hellwig
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