linux-kernel - Re: [PATCH v3] block: Avoid polling configuration errors

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Message-Id: <172140354394.11595.16629364160282327340.b4-ty@kernel.dk>
Date: Fri, 19 Jul 2024 09:39:03 -0600
From: Jens Axboe <axboe@...nel.dk>
To: hexue <xue01.he@...sung.com>
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] block: Avoid polling configuration errors


On Thu, 18 Jul 2024 15:08:17 +0800, hexue wrote:
> This patch add a poll queue check, aims to help users to use poll tolls
> accurately.
> 
> If users do polled IO but device doesn't have poll queues, they will get
> wrong perfromance data and waste CPU resources. So here adding a poll queue
> check, if users do this misconfiguration, it will return users that device
> does not support this operation, to help users adjust their configuration
> promptly.
> --
> changes from v2:
> - move check into block layer
> - return -EOPNOTSUPP instead of print a warning in io_uring
> v2: https://lore.kernel.org/io-uring/20240711082430.609597-1-xue01.he@samsung.com/T/#u
> 
> [...]

Applied, thanks!

[1/1] block: Avoid polling configuration errors
      commit: 73e59d3eeca4feaf0814a077df8ec5edc53ccf77

Best regards,
-- 
Jens Axboe