- Original Message -
> From: "Christoph Hellwig"
> To: "Laurence Oberman"
> Cc: "Christoph Hellwig" , "Bart Van Assche"
> ,
> linux-r...@vger.kernel.org, linux-scsi@vger.kernel.org
> Sent: Thursday, December 22, 2016 10:40:49
Hi Laurance,
please try the patch below:
---
>From 69febe1cfb55844862f768447432249781001f9c Mon Sep 17 00:00:00 2001
From: Christoph Hellwig
Date: Thu, 22 Dec 2016 16:38:29 +0100
Subject: block: add back plugging in __blkdev_direct_IO
This allows sending larger than 1 MB requess to devices that
Hello Christoph, apologies, here is a clear summary of the issue.
During testing of the latest linux-next with rc-10 block layer changes I
noticed that I/O was being capped at 1MB size and no merging was seen.
The issue was not apparent on 4.8.0-rc8 or earlier.
dd if=/dev/sdw bs=4096k of=/dev/
I just got CC'ed to a massive chain of full quotes. If you want an
answer from me please write a readable mail, thanks.
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- Original Message -
> From: "Laurence Oberman"
> To: "Bart Van Assche"
> Cc: linux-r...@vger.kernel.org
> Sent: Wednesday, December 21, 2016 1:34:01 AM
> Subject: Re: Testing latest linux-next 4.9 ib_srp and ib_srpt
>
>
>
> - Ori
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