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From: Tejun Heo <htejun@gmail.com>
To: Elias Oltmanns <eo@nebensachen.de>
Cc: jeff@garzik.org, linux-ide@vger.kernel.org, liml@rtr.ca
Subject: Re: [PATCH 2/5] libata: consistently use msecs for time durations
Date: Tue, 20 May 2008 13:03:23 +0900	[thread overview]
Message-ID: <48324D8B.7060709@gmail.com> (raw)
In-Reply-To: <873aodx6qc.fsf@denkblock.local>

Elias Oltmanns wrote:
> Tejun Heo <htejun@gmail.com> wrote:
>> libata has been using mix of jiffies and msecs for time druations.
>> This is getting confusing.  As writing sub HZ values in jiffies is
>> PITA and msecs_to_jiffies() can't be used as initializer, unify unit
>> for all time durations to msecs.  So, durations are in msecs and
>> deadlines are in jiffies.  ata_deadline() is added to compute deadline
>> from a start time and duration in msecs.
>>
>> While at it, drop now superflous _msec suffix from arguments and
>> rename @timeout to @deadline if it represents a fixed point in time
>> rather than duration.
>>
>> Signed-off-by: Tejun Heo <htejun@gmail.com>
> [...]
>> +static inline unsigned long ata_deadline(unsigned long from_jiffies,
>> +					 unsigned long timeout_msecs)
> 							      ^^^^^^
> Wouldn't that be against the newly adopted convention? Just a thought.

Yeah, but as the function takes both jiffies and msecs, I thought it 
would be better to make it explicit.  Hmmm... I can't really decide 
which way would be better.

-- 
tejun

  reply	other threads:[~2008-05-20  4:03 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-19 17:17 [PATCHSET #upstream] libata: improve timeout handling for EH commands Tejun Heo
2008-05-19 17:17 ` [PATCH 1/5] libata: kill unused constants Tejun Heo
2008-06-04 10:29   ` Jeff Garzik
2008-05-19 17:17 ` [PATCH 2/5] libata: consistently use msecs for time durations Tejun Heo
2008-05-19 22:35   ` Elias Oltmanns
2008-05-20  4:03     ` Tejun Heo [this message]
2008-06-13  6:55   ` Jeff Garzik
2008-05-19 17:17 ` [PATCH 3/5] libata: improve EH retry delay handling Tejun Heo
2008-05-19 18:33   ` Alan Cox
2008-05-20  4:02     ` Tejun Heo
2008-05-19 17:17 ` [PATCH 4/5] libata: use ULONG_MAX to terminate reset timeout table Tejun Heo
2008-05-19 17:17 ` [PATCH 5/5] libata: improve EH internal command timeout handling Tejun Heo
2008-05-19 18:35   ` Alan Cox
2008-05-19 18:51     ` Jeff Garzik
2008-05-20  4:05     ` Tejun Heo
2008-05-29  1:59 ` [PATCHSET #upstream] libata: improve timeout handling for EH commands Tejun Heo
2008-06-03 18:06 ` Jeff Garzik
2008-06-04  5:02   ` Tejun Heo
2008-11-10 16:32     ` saeed bishara
2008-11-11  2:27       ` Tejun Heo

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