linux-kernel - Re: [PATCH 1/2] scsi: smartpqi: Replace semaphore sync_request

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Message-ID: <2193537.0Se2hussi4@wuerfel>
Date:   Thu, 20 Oct 2016 11:06:58 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Binoy Jayan <binoy.jayan@...aro.org>
Cc:     "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        kevin Barnett <kevin.barnett@...rosemi.com>,
        Don Brace <don.brace@...rosemi.com>,
        Scott Benesh <scott.benesh@...rosemi.com>,
        Johannes Thumshirn <jthumshirn@...e.de>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] scsi: smartpqi: Replace semaphore sync_request_sem with mutex

On Thursday, October 20, 2016 2:24:01 PM CEST Binoy Jayan wrote:
> Semaphores are going away in the future, so replace the semaphore
> sync_request_sem with the a mutex lock. timeout_msecs is not used
> for the lock sync_request_sem, so remove the timed locking too.
> 
> Signed-off-by: Binoy Jayan <binoy.jayan@...aro.org>

The patch looks correct to me, but I think if you remove the support
for handling timeouts, you should update the prototype of
pqi_submit_raid_request_synchronous to no longer pass the timeout
argument in the first place.

	Arnd