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Re: XFS as Root filesystem

To: "Stephen C. Tweedie" <sct@xxxxxxxxxx>
Subject: Re: XFS as Root filesystem
From: Steve Lord <lord@xxxxxxx>
Date: Thu, 06 Apr 2000 10:52:18 -0500
Cc: Jim Mostek <mostek@xxxxxxx>, Klaus Strebel <stb@xxxxxxxxx>, linux-xfs@xxxxxxxxxxx
In-reply-to: Message from "Stephen C. Tweedie" <sct@redhat.com> of "Thu, 06 Apr 2000 16:18:35 BST." <20000406161835.A14727@redhat.com>
Sender: owner-linux-xfs@xxxxxxxxxxx
> Hi,
> 
> On Wed, Apr 05, 2000 at 07:48:21AM -0500, Jim Mostek wrote:
> > 
> > If you look at the code, the XFS_MOUNT_NORECOVERY flag is set
> > to skip recovery. But, we must already have a consistent file system when
> > this flag is used.  This is not what we should use for a read-only mount
> > of root. We need a separate flag. xlog_recovery would then do recovery
> > even on read-only mounts. Anyone have time to do this? I'll add this to
> > the mount as root work item.
> 
> Don't forget that readonly support also requires the ability to 
> remount the filesystem between ro and rw, and the ability to suspend
> atime updates while the filesystem is readonly.
> 
> --Stephen

XFS already has read only support - we just need to allow recovery in read only
mode, and the Linux remount code in XFS seems broken, so getting from
read only to read-write is broken I think.

Steve



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