linux-kernel - Re: [patch 06/26] mount options: fix autofs4

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Date:	Fri, 25 Jan 2008 14:13:04 +0900
From:	Ian Kent <raven@...maw.net>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	akpm@...ux-foundation.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 06/26] mount options: fix autofs4


On Thu, 2008-01-24 at 20:33 +0100, Miklos Szeredi wrote:
> plain text document attachment (autofs4_opts.patch)
> From: Miklos Szeredi <mszeredi@...e.cz>
> 
> Add uid= and gid= options to /proc/mounts for autofs4 filesystems.

Apologies, I did say I would do this but have been quite busy.

> 
> Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
Acked-by Ian Kent <raven@...maw.net>

I haven't tested this yet but it is fairly straight forward.
I will check it out as soon as I get back to some work that I'm doing on
autofs4 (next few days).

> ---
> 
> Index: linux/fs/autofs4/inode.c
> ===================================================================
> --- linux.orig/fs/autofs4/inode.c	2008-01-22 15:52:42.000000000 +0100
> +++ linux/fs/autofs4/inode.c	2008-01-22 23:36:02.000000000 +0100
> @@ -188,11 +188,16 @@ out_kill_sb:
>  static int autofs4_show_options(struct seq_file *m, struct vfsmount *mnt)
>  {
>  	struct autofs_sb_info *sbi = autofs4_sbi(mnt->mnt_sb);
> +	struct inode *root_inode = mnt->mnt_sb->s_root->d_inode;
>  
>  	if (!sbi)
>  		return 0;
>  
>  	seq_printf(m, ",fd=%d", sbi->pipefd);
> +	if (root_inode->i_uid != 0)
> +		seq_printf(m, ",uid=%u", root_inode->i_uid);
> +	if (root_inode->i_gid != 0)
> +		seq_printf(m, ",gid=%u", root_inode->i_gid);
>  	seq_printf(m, ",pgrp=%d", sbi->oz_pgrp);
>  	seq_printf(m, ",timeout=%lu", sbi->exp_timeout/HZ);
>  	seq_printf(m, ",minproto=%d", sbi->min_proto);
> 
> --

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