linux-kernel - Re: recent nfs change causes autofs regression

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Message-ID: <5813.1188892468@redhat.com>
Date:	Tue, 04 Sep 2007 08:54:28 +0100
From:	David Howells <dhowells@...hat.com>
To:	Bill Davidsen <davidsen@....com>
Cc:	dhowells@...hat.com, Trond Myklebust <trond.myklebust@....uio.no>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Frank van Maarseveen <frankvm@...nkvm.com>,
	Hua Zhong <hzhong@...il.com>,
	"'Linux Kernel Mailing List'" <linux-kernel@...r.kernel.org>,
	akpm@...ux-foundation.org
Subject: Re: recent nfs change causes autofs regression

Bill Davidsen <davidsen@....com> wrote:

> mount /base on point1 - rw	[ hopefully really r/w ]
> mount /base on point2 - ro	[ hopefully r/o ]

I think Al Viro probably has the right idea as to how to fix this: Move the
R/O R/W flag into vfsmount and count the number of R/W vfsmounts in the
superblock.  I never quite finished implementing the patch to do this, but I
can go back and revisit it.

David
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