From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arun Sharma <arun.sharma@intel.com>
Subject: Re: VFS: Busy inodes after unmount on 2 way SMP
Date: Fri, 12 Sep 2003 10:57:10 -0700
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To: "H. Peter Anvin" <hpa@zytor.com>
Cc: autofs@linux.kernel.org, nfs@lists.sourceforge.net

H. Peter Anvin wrote:
> 
> Which version of autofs are you running?  What version of mount(8)?
>

autofs-3.1.7 and mount-2.11g
 
> It's possible NFS lets you umount a mount which has busy inodes under
> certain conditions.

Are you thinking of the MNT_FORCE flag ? I have reasons to believe that it won't help. Mainly because if it was a RPC task that marked the inode busy, it'd have put itself on the waitq of the inode. However I found that waitqueue_active(&inode->i_wait) == 0.

	-Arun