linux-kernel - Re: Top 10 bugs/warnings for the week of March 23rd, 2008

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Message-ID: <48395456.9070202@s5r6.in-berlin.de>
Date:	Sun, 25 May 2008 13:58:14 +0200
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Theodore Tso <tytso@....edu>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Jan Kara <jack@...e.cz>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Greg KH <greg@...ah.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Top 10 bugs/warnings for the week of March 23rd, 2008

Theodore Tso wrote:
> On Sat, May 24, 2008 at 03:30:20PM -0700, Arjan van de Ven wrote:
>> Ted looked at these during the LF summit, and his conclusion was that
>> they're all media errors (eg USB unplug) that ext3 then did not handle
>> well at all. Maybe Ted has an update on this?
>>
> 
> Not really.  It's on my todo list but fixing a bug caused by users
> doing something stupid (pulling a mounted USB stick) has been lower
> than a number of other fires burning on my plate.  I'll try to get to
> it but a lot of other things I need to worry about have deadlines
> associated with them....

There are more reasons for connection loss than "user doing something 
stupid".  Firmware flaws for example.  Or SBP-2 re-login failing on a 
crowded FireWire bus.

Hot-removal capability is a fundamental requirement for a filesystem, 
just like for the block drivers and transport drivers.  (E.g. don't 
corrupt the kernel in case of unrecoverable IO failures.)

BTW, hfs+ is also buggy WRT connection loss.
-- 
Stefan Richter
-=====-==--- -=-= ==--=
http://arcgraph.de/sr/
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