From: Jens Axboe <axboe@kernel.dk>
To: linux-block@vger.kernel.org, Keith Busch <kbusch@meta.com>
Cc: hch@lst.de, Keith Busch <kbusch@kernel.org>
Subject: Re: [PATCHv2] block: enable passthrough command statistics
Date: Thu, 03 Oct 2024 12:09:29 -0600 [thread overview]
Message-ID: <172797896969.247173.9551686718114544655.b4-ty@kernel.dk> (raw)
In-Reply-To: <20241003153036.411721-1-kbusch@meta.com>
On Thu, 03 Oct 2024 08:30:36 -0700, Keith Busch wrote:
> Applications using the passthrough interfaces for IO want to continue
> seeing the disk stats. These requests had been fenced off from this
> block layer feature. While the block layer doesn't necessarily know what
> a passthrough command does, we do know the data size and direction,
> which is enough to account for the command's stats.
>
> Since tracking these has the potential to produce unexpected results,
> the passthrough stats are locked behind a new queue flag that needs to
> be enabled with the /sys/block/<dev>/queue/iostats_passthrough
> attribute.
>
> [...]
Applied, thanks!
[1/1] block: enable passthrough command statistics
commit: 663db31a86bc7da797ec62f301ef0d6058ff0721
Best regards,
--
Jens Axboe
next prev parent reply other threads:[~2024-10-03 18:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-03 15:30 [PATCHv2] block: enable passthrough command statistics Keith Busch
2024-10-03 15:40 ` Jens Axboe
2024-10-03 18:09 ` Jens Axboe [this message]
2024-10-04 5:38 ` Christoph Hellwig
2024-10-04 15:04 ` Keith Busch
2024-10-07 5:56 ` Christoph Hellwig
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