linux-kernel - Re: Getting the nfs_fh of a specific file/dir from the kernel

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Message-ID: <20070208201219.GB22631@fieldses.org>
Date:	Thu, 8 Feb 2007 15:12:19 -0500
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Menny Hamburger <menny@...net.com>
Cc:	linux-kernel@...r.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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