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From: pravin shelar <Pravin.Shelar@Sun.COM>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Subject: Re: [patch] add dentry revalidate to follow mount.
Date: Tue, 09 Jun 2009 01:53:56 +0530	[thread overview]
Message-ID: <4A2D735C.8090703@sun.com> (raw)
In-Reply-To: <20090608141317.GJ8633@ZenIV.linux.org.uk>

Al Viro wrote:
> On Mon, Jun 08, 2009 at 07:14:15PM +0530, pravin shelar wrote:
>> Hi
>>          i have seen error in lustre while setting permission on fs root
>> from a client. problem is permission are not getting propagated to
>> other clients.
>>
>> this is because of do_lookup() call path which does not revalidate
>> fs root dentry in follow_mount()
>>
>> attached patch adds revalidation call in follow_mount.
> 
> ... and makes umount() of such thing impossible.  NAK.  That's not a solution.

i am not sure how this patch could cause problem for umount. i have tested patch 
with nfs and it worked fine.
can u elaborate what is problem?

thanks,
Pravin.


  reply	other threads:[~2009-06-08 20:15 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-08 13:44 [patch] add dentry revalidate to follow mount pravin shelar
2009-06-08 14:13 ` Al Viro
2009-06-08 20:23   ` pravin shelar [this message]
2009-06-08 20:17     ` Al Viro
2009-06-09  3:43       ` Andreas Dilger

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