linux-kernel - Re: Where's the create() pointer?

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Message-Id: <1200759175.8028.6.camel@heimdal.trondhjem.org>
Date:	Sat, 19 Jan 2008 11:12:55 -0500
From:	Trond Myklebust <trond.myklebust@....uio.no>
To:	Justin Banks <justinb@...bone.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Where's the create() pointer?

On Sat, 2008-01-19 at 08:07 -0700, Justin Banks wrote:
> It's probably been this way for a long time, and I'm just noticing, but
> I can't seem to find the create() (among others) pointer for NFS filesystems.
> 
> Specifically, If I look at sb->s_root->d_inode->i_op there's no create
> there. How do I find it? I'm guessing that the ability to share mount
> structures between multiple NFS mounts resulted in some kind of fake
> superblock, but I just can't figure out where to find the functions.

Why would you want to do this in the first place?

Anyhow, to answer the question: sb->s_root is not guaranteed to be a
real file on NFS. The real mountpoints are usually in the anonymous
dentry list.

Trond

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