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From: Keith Busch <kbusch@kernel.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: Avinash M N <Avinash.M.N@sandisk.com>,
	Jeffrey Lien <Jeff.Lien@sandisk.com>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
	Rahul Jain <Rahul.Jain@sandisk.com>
Subject: Re: NVMe CLI Invalid PRP Entry Status Failures
Date: Tue, 27 May 2025 09:44:09 -0600	[thread overview]
Message-ID: <aDXdyXtp5D6PpV-F@kbusch-mbp> (raw)
In-Reply-To: <aDQToX9eVtNF39G6@infradead.org>

On Mon, May 26, 2025 at 12:09:21AM -0700, Christoph Hellwig wrote:
> On Sat, May 24, 2025 at 08:26:17AM -0600, Keith Busch wrote:
> 
> bio_split_rw_at doesn't look at max_sectors unless that is passed
> in as the argument.

Oh right, this passthrough path uses the max_hw_sectors limit instead.
 
> It would be good to just throw in debug printks to see which splitting
> decision in bio_split_rw_at triggers, including checking the exact
> condition in bvec_split_segs.

FWIW, I can't reproduce the issue on 6.10.


      reply	other threads:[~2025-05-27 15:44 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <MW3PR16MB3897F0E659B34877C4D5197CF391A@MW3PR16MB3897.namprd16.prod.outlook.com>
2025-05-15 14:01 ` NVMe CLI Invalid PRP Entry Status Failures Jeffrey Lien
2025-05-15 14:18   ` Keith Busch
     [not found]     ` <LV3PR16MB606775F391112B2DADF64463B590A@LV3PR16MB6067.namprd16.prod.outlook.com>
2025-05-16 12:33       ` Keith Busch
     [not found]         ` <LV3PR16MB6067E928D739DCB65F31FE46B593A@LV3PR16MB6067.namprd16.prod.outlook.com>
2025-05-16 14:41           ` Keith Busch
2025-05-24  4:22             ` Avinash M N
2025-05-24 14:26               ` Keith Busch
2025-05-26  7:09                 ` Christoph Hellwig
2025-05-27 15:44                   ` Keith Busch [this message]

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