From: greg.freemyer@gmail.com (Greg Freemyer)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Blocking the access to the device files.
Date: Wed, 29 Dec 2010 14:09:31 -0500 [thread overview]
Message-ID: <AANLkTi=gAzUXvSCbZ7sGBa05nOyWOLpAR9_Oi6pzT9jf@mail.gmail.com> (raw)
In-Reply-To: <AANLkTiktw2GO47WVdrCX5GwDqrciP1vUdhCTMFBxOfnz@mail.gmail.com>
On Wed, Dec 29, 2010 at 2:07 PM, Mulyadi Santosa
<mulyadi.santosa@gmail.com> wrote:
> Hi Greg...
>
> On Thu, Dec 30, 2010 at 02:02, Greg Freemyer <greg.freemyer@gmail.com> wrote:
>> I really don't remember what the problem was. ?It was about 2003 or
>> 2004 I think that I came across the issue. ?I don't recall if it was
>> XFS or ext2/3 or what.
>>
>> I just know I came to the conclusion that dd if=/dev/sda of=/dev/null
>> was not always safe if the drive had a mounted filesystem. ?Hopefully
>> its been fixed by now.
>
> 2.4.x? If yes, I am not so surprised since buffer cache and page cache
> aren't unified yet, unlike in 2.6.x. I highly guess that was indeed
> synchronization issue....
yes, 2.4.x was what I am talking about.
next prev parent reply other threads:[~2010-12-29 19:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-29 13:06 Blocking the access to the device files Prasad Joshi
2010-12-29 16:12 ` Mulyadi Santosa
2010-12-29 17:01 ` Greg Freemyer
2010-12-29 18:06 ` Mulyadi Santosa
2010-12-29 18:54 ` mindentropy
2010-12-29 19:00 ` Mulyadi Santosa
2010-12-29 19:02 ` Greg Freemyer
2010-12-29 19:07 ` Mulyadi Santosa
2010-12-29 19:09 ` Greg Freemyer [this message]
2010-12-29 23:32 ` Prasad Joshi
2010-12-30 0:07 ` Greg Freemyer
2010-12-30 0:24 ` Henry Gebhardt
2010-12-30 7:10 ` Rajat Sharma
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