Re: [PATCH] Allow default options in /etc/exports

[Greg Banks <gnb@sgi.com>]

On Mon, Feb 05, 2007 at 01:48:44AM +0100, Steinar H. Gunderson wrote:
> On Mon, Feb 05, 2007 at 11:35:23AM +1100, Neil Brown wrote:
> > I would like to have system-wide defaults too (as you mention).  Any
> > suggestions on syntax?  Having
> > 
> > -sync,no_root_squash,no_subtree_check
> > 
> > would be syntactically consistent (which is good) but is kind-a ugly.
> 
> My first hunch is to put it on the command line (so one could have it in
> /etc/default/nfs-common), but I realize that would be confusing (and possibly
> different across distributions, and less flexible). I'm a bit short on good
> syntax suggestions apart from that, really -- adding a different kind of line
> sounds a bit like opening a can of worms syntax-wise...

How about making the line the exact same syntax as normal
lines but a pseudo export point string which is not a valid
absolute pathname, something like "defaults".  For example:

defaults	*(rw,sync,no_subtree_check)
/foo
/bar		*(insecure)

could mean the same as

/foo		*(rw,sync,no_subtree_check)
/bar		*(rw,sync,no_subtree_check,insecure)

There are export options which cannot usefully appear in such a
defaults line (fsid certainly, perhaps also mountpoint=/somewhere).

Greg.
-- 
Greg (not Dave) Banks, R&D Software Engineer, SGI Australian Software Group.
I don't speak for SGI.

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