From: Andi Kleen <andi@firstfloor.org>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Al Viro <viro@ZenIV.linux.org.uk>,
linux-kernel@vger.kernel.org, Trond.Myklebust@netapp.com
Subject: Re: NFS lockdep lock misordering mmap_sem<->i_mutex_key with 2.6.32-git1
Date: Wed, 16 Dec 2009 01:48:26 +0100 [thread overview]
Message-ID: <20091216004826.GA3622@basil.fritz.box> (raw)
In-Reply-To: <20091216085051.CDE2.A69D9226@jp.fujitsu.com>
> afaik, no revalidate mean "I don't mind the file was already removed
> at server, I only care client handle".
>
> What's happen if we mmap removed file?
I thought NFS only provided consistency around open/close/msync, not around
mmap? I've never been aware of mmap being a synchronization point.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
prev parent reply other threads:[~2009-12-16 0:48 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-07 11:59 NFS lockdep lock misordering mmap_sem<->i_mutex_key with 2.6.32-git1 Andi Kleen
2009-12-07 12:19 ` KOSAKI Motohiro
2009-12-07 13:20 ` Andi Kleen
2009-12-07 17:38 ` KOSAKI Motohiro
2009-12-15 22:21 ` Al Viro
2009-12-15 23:38 ` Andi Kleen
2009-12-15 23:54 ` Trond Myklebust
2009-12-16 0:09 ` Al Viro
2009-12-16 13:16 ` Trond Myklebust
2009-12-23 16:32 ` Andi Kleen
2009-12-16 0:53 ` Andi Kleen
2009-12-16 13:09 ` Trond Myklebust
2009-12-16 15:57 ` Andi Kleen
2009-12-16 0:06 ` KOSAKI Motohiro
2009-12-16 0:48 ` Andi Kleen [this message]
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