Re: mount -o remount problems with ext3 and journal= options in /etc/fstab

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On Saturday 29 November 2008 00:06:01 Theodore Tso wrote:
> On Fri, Nov 28, 2008 at 05:03:10PM -0500, Mike Frysinger wrote:
> > well, i guess the first question to ask is, does it make sense to have
> > these journal options in /etc/fstab ?
>
> No, not really.  The original intent for journal=update was to update
> from a V1 journal superblock to the V2 journal superblock.  This
> transition happened in around 2001.  It was intended to be used to ask
> the kernel to do a one-time conversion of the superblock version.
> There's no real reason to have this in the kernel; it's the sort of
> thing that is much better done in the userspace tools anyway. p
>
> We should probably remove it from the kernel, actually.  There might
> be some really ancient 2.4 systems that still have journals with V1
> superblocks, but they are few and far between.
>
> In any case, if this was going to be in the kernel, it makes
> absolutely zero sense for it to be in /etc/fstab.  It should only be
> something that the user manually specifies when first mounting the
> filesystem, and for that reason it's actually better done in a
> userspace tool.

sounds good.  i like rejecting bugs ;).  thanks for the summary.
-mike

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