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Date: Sun, 07 Jul 2002 20:06:02 -0700
From: Dave Hansen <haveblue@us.ibm.com>
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To: Alexander Viro <viro@math.psu.edu>
CC: Matthew Wilcox <willy@debian.org>, Oliver Neukum <oliver@neukum.name>,
       Thunder from the hill <thunder@ngforever.de>, Greg KH <greg@kroah.com>,
       kernel-janitor-discuss 
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Subject: Re: BKL removal
References: <Pine.GSO.4.21.0207072255020.24900-100000@weyl.math.psu.edu>
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Alexander Viro wrote:
> 
> On Mon, 8 Jul 2002, Matthew Wilcox wrote:
> 
>>one struct file per open(), yes.  however, fork() shares a struct file,
>>as does unix domain fd passing.  so we need protection between different
>>processes.  there's some pretty good reasons to want to use a semaphore
>>to protect the struct file (see fasync code.. bleugh).
> 
> ??? What exactly do you want to protect there?
> 

I think we were talking about file->private_data

-- 
Dave Hansen
haveblue@us.ibm.com