Re: [PATCH 1/2] Kernel/time: Introduce a new timestamp functionlocal_time_seconds()

[James Bottomley]

On Wed, 2013-05-15 at 11:32 +0800, Gu Zheng wrote:
> On 05/14/2013 11:57 PM, John Stultz wrote:
> 
> > On 05/14/2013 12:45 AM, Gu Zheng wrote:
> >>  From 18072c1c3506a7e37ee485307a2c343efe5af4d0 Mon Sep 17 00:00:00 2001
> >> From: Gu Zheng <guz.fnst@xxxxxxxxxxxxxx>
> >> Date: Mon, 13 May 2013 15:45:24 +0900
> >> Subject: [PATCH 1/2] Kernel/time: Introduce a new timestamp function local_time_seconds()
> >>
> >> Introduce a new timestamp function local_time_seconds() to hide the conversion of system time in UTC to local time seconds.
> > 
> > So, why is this useful/needed?
> 
> Hi John,
>    There are some subsystems use local time seconds as a timestamp,
> such as scsi(refer
> to:http://www.spinics.net/lists/linux-scsi/msg66089.html),
> and so do many out-of-kernel-tree code I think.

I don't think the 3ware drivers, which are the only ones that do this
actually care.  I think jiffies to seconds would suit the event
timestamps equally well, so I don't really see a need to make this a
formal kernel export given that it's only a single driver family in the
entirety of the kernel.

James


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