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Date:      Thu, 19 Mar 1998 23:03:05 +0000 (GMT)
From:      Terry Lambert <tlambert@primenet.com>
To:        Daniel_Sobral@voga.com.br (Daniel Sobral)
Cc:        fs@FreeBSD.ORG
Subject:   Re: Stackable filesystems?
Message-ID:  <199803192303.QAA15187@usr09.primenet.com>
In-Reply-To: <032565CC.0071BBAD.00@navigator.voga.com.br> from "Daniel Sobral" at Mar 19, 98 05:45:15 pm

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> Hey, Terry, one more filesystem to your list of "future work on stackable
> fs": version control fs. Would people prefer something simple like vms or a
> fully-featured cvs-like system?

VMS version control is problematic.  It requires that patter expansion
be done in the kernel, not in the shell.  THere's a lot of other good
reasons to do this, like not pushing non-matching file names over the
user/kernel boundry unnecessarily.

The problem with doing this is shell globbing.  Shells expand patterns
before they would be givent to the FS.

This would be a significant deviation from the way It Has Always Been.


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.

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