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From: Tejun Heo <htejun@gmail.com>
To: Randy Dunlap <rdunlap@xenotime.net>
Cc: Pedro Francisco <pedrogfrancisco@gmail.com>,
	linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: ahci rmmodable and shouldn't
Date: Fri, 17 Sep 2010 11:53:19 +0200	[thread overview]
Message-ID: <4C933A8F.2080305@gmail.com> (raw)
In-Reply-To: <47010.148.87.67.141.1284674336.squirrel@www.xenotime.net>

Hello,

On 09/16/2010 11:58 PM, Randy Dunlap wrote:
>> `rmmod ahci' works even if the module is being used (`lsmod' thinks it's
>> not being used but rmmoding ahci triggers filesystem erros and I've to
>> force a reboot).
>>
>> I've been told it's the same as plugging a cable. IMO that's what
>> /sys/stuff/eject_or_similar is to, not `rmmod ahci'.
>>
>>
>> I *assume* it was caused by the split between libahci & ahci, since in
>> 2.6.32
>> `rmmod ahci' is impossible because it's marked as being in use. Didn't try
>>  `rmmod -f ahci' but that's not the point.
>>
>>
>> I'm posting again about this because it doesn't make sense to me the
>> actual behaviour.

Just don't rmmod a module which is serving a live filesystem.  Why
does it even matter?

-- 
tejun

  reply	other threads:[~2010-09-17  9:53 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <201009162256.04765.pedrogfrancisco@gmail.com>
2010-09-16 21:58 ` ahci rmmodable and shouldn't Randy Dunlap
2010-09-17  9:53   ` Tejun Heo [this message]
2010-09-19 10:28     ` Pedro Francisco
2010-09-19 12:32       ` Tejun Heo
2010-09-20  9:25         ` Pedro Francisco
2010-09-20  9:31           ` Tejun Heo
2010-09-20  9:41             ` Tejun Heo
2010-09-20 20:44               ` Pedro Francisco
2010-09-20 22:09                 ` Tejun Heo
2010-09-20 22:10                   ` Tejun Heo
2010-09-21  6:14                     ` Michael Tokarev
2010-09-21  7:25                       ` [PATCH #upstream-fixes] ahci: fix module refcount breakage introduced by libahci split Tejun Heo
2010-09-21  7:32                         ` Michael Tokarev
2010-09-21  8:17                           ` Tejun Heo
2010-09-23 15:14                     ` ahci rmmodable and shouldn't Pedro Francisco

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