linux-kernel - [PATCH v3 memstick: support for legacy sony memsticks

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Date:	Wed, 26 Sep 2012 11:48:59 +0200
From:	Maxim Levitsky <maximlevitsky@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Alex Dubov <oakad@...oo.com>, linux-kernel@...r.kernel.org,
	Tejun Heo <tj@...nel.org>
Subject: [PATCH v3 memstick: support for legacy sony memsticks

Hi,
I am sending an updated version of the driver, this time
addressing comments by Tejun Heo

Changes since V2:

* Removed the mutex kludge - ordered worqueue indeed works well
* Removed manul major/minor handling
* Gave more specific names to two sg helpers.

Changes from V1:

* Replaced explicit state numbers with enum items.
  I agree that code is cleaner this way.

* Swithced to using a workqueue.
  Unfortunelly, I still see that workqueue items are executed in parallel
  I suspect that this happens if one work item sleeps. In this case I
  don't want other work items to run too. I fixed this with a mutex, and anyway
  it nice to have it to guaranteee this.

* moved sg_nents into scatterlist.c/h and put that in separate patch as
  requested

* Made functions static, fixed most whitespace issues (I hope all),
  and I hope addressed all other comments by Andrew Morton.

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