linux-kernel - UASP: updates and merges

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Message-ID: <147799.16314.qm@web31802.mail.mud.yahoo.com>
Date:	Wed, 2 Mar 2011 11:05:05 -0800 (PST)
From:	Luben Tuikov <ltuikov@...oo.com>
To:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org, Greg KH <greg@...ah.com>
Subject: UASP: updates and merges

I've merged the latest master (dd9c154). The UASP driver saw the following update:

    [USB] UASP: Unlock device after reset; EP updates
    
    * Unlock the device after reset.
    
    * Initialize urb->ep directly. struct
      uasp_tport_info already records the struct
      usb_host_endpoint which makes it easy to
      directly initialize urb->ep. This anticipates
      when drivers would have to initialize the ep in
      the urb directly as opposed to the USB core
      having to use pipes.
    
    * Use the UAS pipe macros throughout the code for
      endpoint indexes.

The branch can be found here off of master:
https://github.com/ltuikov/linux-2.6

Original posting of the UASP driver can be found here:
http://marc.info/?l=linux-usb&m=129165511732388&w=2

    Luben


--- On Thu, 1/13/11, Luben Tuikov <ltuikov@...oo.com> wrote:

> From: Luben Tuikov <ltuikov@...oo.com>
> Subject: UASP: updates and merges
> To: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org, "Greg KH" <greg@...ah.com>
> Date: Thursday, January 13, 2011, 2:45 AM
> The UASP driver allows you to connect
> to UAS devices and use them
> as SCSI devices.
> 
> I've merged latest master (f87813) and resolved a conflict
> in drivers/scsi/sd.c by adding back the truncation of the
> mode sense data.
> 
> The UASP driver saw the following update:
> 
>     [USB] UASP: factor out GFP flags and make
> them GFP_ATOMIC
>     
>     Factor out the GFP flags and make them
> atomic:
>     1) The SCSI subsystem uses GFP_ATOMIC, e.g.
> before
>     calling the host's slave_alloc callback (at
> the
>     time of this commit).
>     2) As we are a storage driver doing I/O, we
> should
>     use the lowest denominator (highest
> priority)
>     allocation, and of course we shouldn't sleep,
> thus
>     use GFP_ATOMIC.
> 
> The branch can be found here (off of master):
> https://github.com/ltuikov/linux-2.6
> 
> Original posting of the UASP driver can be found here:
> http://marc.info/?l=linux-usb&m=129165511732388&w=2
> 
>    Luben
> 
> 
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