Re: Where's the create() pointer?

[Trond Myklebust]

On Sat, 2008-01-19 at 12:02 -0700, Justin Banks wrote:
> Trond Myklebust wrote
> > 
> > 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?
> 
> I'm just looking at trapping new creates on NFS, and so I need to find
> the pointer.

What is your purpose in trapping creates on the client? Is this for
accounting purposes? If so, why wouldn't inotify, or even a systemtap
script suffice?

Anyhow, the simplest way to find the pointer is to grep for nfs_create
in /proc/kallsyms.

  Trond


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