Subject: Re: File system performance on i386
To: Christoph Hellwig <chhellwig@gmx.net>
From: David Maxwell <david@bester.flfrd1.on.wave.home.com>
List: tech-perform
Date: 02/23/2001 21:38:39
On Fri, Feb 23, 2001 at 07:27:50PM +0100, Christoph Hellwig wrote:
> On Fri, Feb 23, 2001 at 10:44:32AM -0500, David Maxwell wrote:
> > No. Go read The Design and Implementation of the 4.4BSD Operating System.
> > 
> > i.e. If fsck finds data with no file linked to it, on FFS, it knows the
> > file was deleted(unlinked), but on EXT2FS, the file could have been being
> > created, or deleted - now what should it do?
> Ext2 sets a dtime field in the inode if the file is meant to be deleted.

When I said "data with no file linked to it", that would mean that there's
no inode for a dtime field to be set in.

> > > I usually lose more data on NetBSD - but fsck doesn't even NOTICE
> > > all lossage.
> > 
> > Whose fsck doesn't notice?
> fsck_ffs on NetBSD (without softupdates, that is the comparism) compared
> to e2fsck on whatever OS you want.
> 
> > What doesn't it notice?
> File data.

Since you ignored my questions, I'm going to presume you don't have
answers to them and stop replying to your FUD.

							David