From: Tejun Heo <htejun@gmail.com>
To: "zhao, forrest" <forrest.zhao@intel.com>
Cc: Jeff Garzik <jeff@garzik.org>, liml@rtr.ca, linux-ide@vger.kernel.org
Subject: Re: [PATCH] Snoop SET FEATURES - WRITE CACHE ENABLE/DISABLE command
Date: Mon, 29 May 2006 18:46:52 +0900 [thread overview]
Message-ID: <447AC30C.4010703@gmail.com> (raw)
In-Reply-To: <1148894288.3466.32.camel@forrest26.sh.intel.com>
zhao, forrest wrote:
>> * There's a race window between ATA revalidation and SCSI rescan. We
>> can plug this hole by deferring commands till rescan is complete. But I
>> doubt it would be worth the trouble.
>>
> This is really a problem. But the race condition is not so critical that
> we need to bother to do some sync between libata and SCSI layer, right?
I guess/hope so. The only thing which can make any difference seems to
be the cache type setting. I don't think small race window would cause
too much trouble there.
--
tejun
next prev parent reply other threads:[~2006-05-29 9:47 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-25 9:02 [PATCH] Snoop SET FEATURES - WRITE CACHE ENABLE/DISABLE command zhao, forrest
2006-05-27 0:15 ` Jeff Garzik
2006-05-29 6:35 ` zhao, forrest
2006-05-29 11:29 ` Mark Lord
2006-05-29 9:08 ` Tejun Heo
2006-05-29 9:18 ` zhao, forrest
2006-05-29 9:46 ` Tejun Heo [this message]
2006-05-29 9:20 ` Jeff Garzik
2006-05-29 9:43 ` Tejun Heo
2006-05-30 3:57 ` Jeff Garzik
2006-05-30 4:41 ` Jeff Garzik
2006-05-30 4:50 ` Tejun Heo
2006-05-30 4:57 ` Jeff Garzik
2006-05-30 5:10 ` Tejun Heo
2006-05-30 5:08 ` zhao, forrest
2006-05-30 7:22 ` Tejun Heo
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