Re: [PATCH 03/11] block: check BLK_FEAT_POLL under q_usage_count

To: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@kernel.dk>, Damien Le Moal <dlemoal@kernel.org>, Nilay Shroff <nilay@linux.ibm.com>, linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, nbd@other.debian.org, linux-scsi@vger.kernel.org, usb-storage@lists.one-eyed-alien.net
Subject: Re: [PATCH 03/11] block: check BLK_FEAT_POLL under q_usage_count
From: Ming Lei <ming.lei@redhat.com>
Date: Thu, 9 Jan 2025 16:14:48 +0800
Message-id: <[🔎] Z3-FePovuu2dEbfG@fedora>
In-reply-to: <[🔎] 20250109055810.1402918-4-hch@lst.de>
References: <[🔎] 20250109055810.1402918-1-hch@lst.de> <[🔎] 20250109055810.1402918-4-hch@lst.de>

On Thu, Jan 09, 2025 at 06:57:24AM +0100, Christoph Hellwig wrote:
> Otherwise feature reconfiguration can race with I/O submission.
> 
> Also drop the bio_clear_polled in the error path, as the flag does not
> matter for instant error completions, it is a left over from when we
> allowed polled I/O to proceed unpolled in this case.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Reviewed-by: Ming Lei <ming.lei@redhat.com>

Thanks,
Ming

Reply to:

References:
- fix queue freeze and limit locking order v3
  - From: Christoph Hellwig <hch@lst.de>
- [PATCH 03/11] block: check BLK_FEAT_POLL under q_usage_count
  - From: Christoph Hellwig <hch@lst.de>

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