Re: [PATCH 1/1 resend] usb-storage: limit devices that cannot handle 32k transfers

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Doug Maxey wrote:
>>From f644b337771374178d5585bcedf8153f5b45f2d6 Mon Sep 17 00:00:00 2001
> From: Doug Maxey <dwm@xxxxxxxxxxxxxx>
> Date: Tue, 27 Nov 2007 18:42:42 -0600
> Subject: [PATCH 1/1] usb-storage: limit devices that cannot handle 32k transfers
> 
> When a device cannot handle the smallest previously limited transfer
> size (64 blocks) without stalling, limit the device to the amount of
> packets that fit in a platform native page.
> 
> The lowest possible limit is PAGE_CACHE_SIZE, so if the device is ever
> used on a platform that has larger than 8K pages, you lose unless you
> can convince the device firmware folks to fix the issue.
> 
> Cc: Mathew Dharm <mdharm-scsi@xxxxxxxxxxxxxxxxxx>
> Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> Cc: Pete Zaitcev <zaitcev@xxxxxxxxxx>
> Signed-off-by: Doug Maxey <dwm@xxxxxxxxxxxxxx>

Short of the weird spacing issues in usb_usual.h, it looks fine to me, and
I'll sign off on it since I wrote the original US_FL_MAX_SECTORS_64 patch if
I recall correctly.

Signed-off-by: Phil Dibowitz <phil@xxxxxxxx>

-- 
Phil Dibowitz                             phil@xxxxxxxx
Open Source software and tech docs        Insanity Palace of Metallica
http://www.phildev.net/                   http://www.ipom.com/

"Never write it in C if you can do it in 'awk';
 Never do it in 'awk' if 'sed' can handle it;
 Never use 'sed' when 'tr' can do the job;
 Never invoke 'tr' when 'cat' is sufficient;
 Avoid using 'cat' whenever possible" -- Taylor's Laws of Programming


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