From owner-freebsd-hackers  Sun Jun 27  9:29:18 1999
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To: Alexander Viro <viro@math.psu.edu>
Cc: Francois-Rene Rideau <fare@tunes.org>,
	Linux Kernel <linux-kernel@vger.rutgers.edu>,
	FreeBSD Hackers <freebsd-hackers@freebsd.org>,
	NetBSD Kernel <tech-kern@netbsd.org>
Subject: Re: Improving the Unix API 
In-Reply-To: Message from Alexander Viro <viro@math.psu.edu> 
   of "Sun, 27 Jun 1999 12:19:02 EDT." <Pine.GSO.4.10.9906271154530.24019-100000@weyl.math.psu.edu> 
Date: Sun, 27 Jun 1999 12:28:58 -0400
From: Bill Sommerfeld <sommerfeld@orchard.arlington.ma.us>
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> Usage of ioctl() on Linux was a bad idea and it's going to be fixed. More
> or less in the same direction, not exactly the same - 4.4 chflags() works
> fine for UFS and leaves other filesystems to map what they can into the
> UFS set. 

> Which is bogus - immutable is not a UFS attribute, it's VFS one.

Well, I'd argue that Berkeley defined a bunch of VFS attributes, and
then implemented them natively in UFS and LFS; other non-native
filesystems have to map their concepts of other file attributes (e.g.,
dates, permissions, etc.,) into the native VFS concepts.

					- Bill


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