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Re: IDE write cache and journaling file systems

To: Jim Buzbee <James.Buzbee@echostar.com>
Subject: Re: IDE write cache and journaling file systems
From: Andi Kleen <ak@suse.de>
Date: Thu, 18 Apr 2002 20:59:12 +0200
Cc: Seth Mos <knuffie@xs4all.nl>, XFS List <linux-xfs@oss.sgi.com>
In-reply-to: <3CBF114D.DF79A098@echostar.com>
References: <4.3.2.7.2.20020418190239.03b5cc20@pop.xs4all.nl> <3CBF114D.DF79A098@echostar.com>
Sender: owner-linux-xfs@oss.sgi.com
User-agent: Mutt/1.3.22.1i

> Anyone know what are the Linux distributions are doing by default?  Now
> that they are including journaling filesystems as an option, I wonder if
> they turn write caching off on IDE drives. 

They don't. Only the BSDs turn it off by default, but everybody then just
turns it on again.

SuSe 8.0 also flushes caches explicitely for ext3 and reiserfs.

-Andi

References:
- Re: IDE write cache and journaling file systems
  - From: Seth Mos <knuffie@xs4all.nl>
- Re: IDE write cache and journaling file systems
  - From: Jim Buzbee <James.Buzbee@echostar.com>

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