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
next prev parent 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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