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Date: Thu, 12 Feb 2004 13:53:28 +0000
From: Christoph Hellwig <hch@infradead.org>
To: RANDAZZO@ddc-web.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: Semaphore with timeout....
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In-Reply-To: <89760D3F308BD41183B000508BAFAC4104B16F65@DDCNYNTD>; from RANDAZZO@ddc-web.com on Thu, Feb 12, 2004 at 08:22:04AM -0500
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On Thu, Feb 12, 2004 at 08:22:04AM -0500, RANDAZZO@ddc-web.com wrote:
> 
> In reference to loadable kernel modules... (drivers)
> 
> Is there a semaphore call that will either release with token or a specified
> amt of time....

There's no down_timeout.  Unfortunately - at least the qlogic fibrechannel
driver would love to have a primitive for that.

Look at drivers/scsi/qla2xxx/qla_os.c:qla2x00_down_timeout() for a horrible
hack to emulate one.