linux-kernel - Re: [PATCH v2] scsi: pm8001: Increase request sg length to support 4MiB requests

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Message-ID: <173155154786.970810.18106220714427816741.b4-ty@oracle.com>
Date: Wed, 13 Nov 2024 21:49:58 -0500
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Jack Wang <jinpu.wang@...ud.ionos.com>,
        "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
        Igor Pylypiv <ipylypiv@...gle.com>
Cc: "Martin K . Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] scsi: pm8001: Increase request sg length to support 4MiB requests

On Fri, 25 Oct 2024 18:50:09 +0000, Igor Pylypiv wrote:

> Increasing the per-request size maximum to 4MiB (8192 sectors x 512 bytes)
> runs into the per-device DMA scatter gather list limit (max_segments) for
> users of the io vector system calls (e.g. readv and writev).
> 
> This change increases the max scatter gather list length to 1024 to enable
> kernel to send 4MiB (1024 * 4KiB page size) requests.
> 
> [...]

Applied to 6.13/scsi-queue, thanks!

[1/1] scsi: pm8001: Increase request sg length to support 4MiB requests
      https://git.kernel.org/mkp/scsi/c/53b550de4635

-- 
Martin K. Petersen	Oracle Linux Engineering