linux-kernel - Re: [PATCH] Adaptec AACRAID: convert fibctx->wait

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Date:	Wed, 13 Feb 2008 13:09:00 -0600
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Matthias Kaehlcke <matthias@...hlcke.net>
Cc:	aacraid@...ptec.com, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [PATCH] Adaptec AACRAID: convert fibctx->wait_sem to completion

On Wed, 2008-02-13 at 19:34 +0100, Matthias Kaehlcke wrote:
> Adaptec AACRAID driver: The semaphore fibctx->wait_sem is used for
> signalling an event. Convert it to a completion.

What's the purpose of doing this?  The aacraid implementation seems to
be a classic PV semaphore, so why does it need to become a completion?

James


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