RE: Getting the nfs_fh of a specific file/dir from the kernel

[Menny Hamburger]

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.

M.

-----Original Message-----
From: linux-kernel-owner@xxxxxxxxxxxxxxx
[mailto:linux-kernel-owner@xxxxxxxxxxxxxxx] On Behalf Of J. Bruce Fields
Sent: Thursday, February 08, 2007 10:12 PM
To: Menny Hamburger
Cc: linux-kernel@xxxxxxxxxxxxxxx
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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