From: "H. Peter Anvin" <hpa@zytor.com>
To: Arun Sharma <arun.sharma@intel.com>
Cc: autofs@linux.kernel.org, nfs@lists.sourceforge.net
Subject: Re: VFS: Busy inodes after unmount on 2 way SMP
Date: Fri, 12 Sep 2003 13:51:04 -0700 [thread overview]
Message-ID: <3F6231B8.3090303@zytor.com> (raw)
In-Reply-To: <3F6208F6.2080508@intel.com>
Arun Sharma wrote:
> 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.
>
No, I'm thinking about the possibility that there is a bug.
autofs depends critically on a filesystem *not* allowing itself to be
unmounted when there are busy inodes; however, this is something that
things other than autofs doesn't really stress a whole lot.
-hpa
next prev parent reply other threads:[~2003-09-12 20:51 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-12 0:11 VFS: Busy inodes after unmount on 2 way SMP Arun Sharma
2003-09-12 1:05 ` H. Peter Anvin
2003-09-12 14:23 ` Ryan Go
2003-09-12 17:57 ` Arun Sharma
2003-09-12 20:51 ` H. Peter Anvin [this message]
2003-09-12 23:33 ` Ion Badulescu
2003-09-13 0:08 ` Arun Sharma
2003-09-13 0:16 ` Ion Badulescu
2003-09-13 0:16 ` Ion Badulescu
2003-09-15 21:42 ` [NFS] " Arun Sharma
2003-09-15 22:25 ` H. Peter Anvin
2003-09-15 22:34 ` Arun Sharma
2003-09-15 23:42 ` Ion Badulescu
2003-09-16 1:34 ` [autofs] " Matt C
2003-09-16 1:34 ` Matt C
2003-09-19 2:57 ` Frank Cusack
2003-09-16 20:37 ` Re: [NFS] " Arun Sharma
2003-09-16 20:54 ` H. Peter Anvin
2003-09-17 0:28 ` Ian Kent
2003-09-17 2:05 ` Arun Sharma
2003-09-17 2:28 ` H. Peter Anvin
2003-09-17 4:56 ` Ian Kent
2003-09-17 4:52 ` Ian Kent
2003-09-17 17:47 ` Arun Sharma
2003-09-17 20:41 ` H. Peter Anvin
2003-09-17 21:00 ` Olaf Hering
2003-09-18 0:31 ` Ian Kent
2003-09-18 5:04 ` Olaf Hering
2003-09-18 5:52 ` Re: [autofs] " Trond Myklebust
2003-09-18 8:26 ` Olaf Kirch
2003-09-19 23:36 ` [NFS] " Olaf Hering
2003-09-25 23:17 ` Re: [autofs] " Matt C
2003-09-25 23:17 ` Matt C
2003-09-26 0:24 ` Trond Myklebust
2003-09-26 0:24 ` Trond Myklebust
2003-09-26 18:31 ` [NFS] " Ion Badulescu
2003-09-26 22:29 ` Re: [autofs] " Trond Myklebust
2003-09-27 16:55 ` Olaf Kirch
2003-09-28 23:16 ` Steve Fosdick
2003-09-29 12:07 ` Ion Badulescu
2003-09-29 17:22 ` Trond Myklebust
2003-09-30 12:50 ` Olaf Kirch
2003-09-30 13:31 ` Trond Myklebust
2003-09-29 3:27 ` Frank Cusack
2003-09-18 2:26 ` [NFS] " Ion Badulescu
2003-09-18 2:54 ` H. Peter Anvin
2003-09-29 12:19 ` Ion Badulescu
2003-09-30 12:24 ` Ian Kent
2003-09-30 12:51 ` Mike Waychison
2003-10-01 12:56 ` Ian Kent
2003-09-30 13:12 ` Ion Badulescu
2003-09-30 16:44 ` Ian Kent
2003-09-17 13:14 ` Ryan Go
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