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Date: Wed, 14 Mar 2001 00:49:48 -0500 (EST)
From: Alexander Viro <viro@math.psu.edu>
To: Andreas Dilger <adilger@turbolinux.com>
cc: Linux kernel development list <linux-kernel@vger.kernel.org>,
        Linux FS development list <linux-fsdevel@vger.kernel.org>
Subject: Re: (struct dentry *)->vfsmnt;
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On Tue, 13 Mar 2001, Andreas Dilger wrote:

> Yes, I know you _can_ do all sorts of tricks like this, but most people
> don't really do it.  In any case, I would be happy if I could even get

Ugh. That sounds like a work for mount(8), not mount(2), then. BTW, userland
(mount(8)) looks like the only potential user for that.

> "/mnt" from the first mount.  If it comes to the point where I can get
> that, then I will start to worry about "mount --bind".
> 
> This is to store in the ext2 on-disk superblock, which is currently always
> (from dumpe2fs -h /dev/hdX):
> 
> Last mounted on:          <not available>
> 
> To be able to put _something_ there will suit my needs.

OK... I don't like the idea of passing a vfsmount to read_super (for obvious
reasons - ->mnt_count, for one thing), but there may be other ways to do that.
What kind of use (aside of getting rid of <not available> in dumpe2fs
output) do you have in mind?
							Cheers,
								Al

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