linux-kernel - Re: [PATCH v2 memstick: support for legacy sony memsticks

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Message-ID: <20120925180235.GC16296@google.com>
Date:	Tue, 25 Sep 2012 11:02:35 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Maxim Levitsky <maximlevitsky@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Alex Dubov <oakad@...oo.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 memstick: support for legacy sony memsticks

Hello,

> * 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.

You can use alloc_ordered_workqueue("namefmt", WQ_MEM_RECLAIM).  No
mutex needed for inter-work exclusion.

Thanks.

-- 
tejun
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