On Sun, 2007-02-11 at 10:06 +0200, Menny Hamburger wrote:
> We implement our own nfsd in user space - so the  kernel nfsd (as well
> as the lockd) are disabled.
> We need the handle in order to associate a kernel file handle with our
> own file id.

Filehandles are not part of any API that is exported to userland. There
are many reasons why that would be a bad idea.

Cheers
  Trond

> M.
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of J. Bruce Fields
> Sent: Thursday, February 08, 2007 10:12 PM
> To: Menny Hamburger
> Cc: linux-kernel@vger.kernel.org
> Subject: Re: Getting the nfs_fh of a specific file/dir from the kernel
> 
> On Thu, Feb 08, 2007 at 06:38:48PM +0200, Menny Hamburger wrote:
> > I have a piece of code in my 2.6 kernel that associates an ioctl 
> > file_operation to nfs in file.c and dir.c.
> > This ioctl sends the nfs_fh to a userland application.
> 
> Doesn't /proc/fs/nfsd/filehandle do what you want already?
> 
> See nfs-util/utils/mountd/cache.c:cache_get_filehandle(), or, for the
> kernel side, linux/fs/nfsd/nfsctl.c:write_filehandle().
> 
> (Just out of curiosity--why are you doing this?)
> 
> --b.
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