Messages in this thread | | | Subject | RE: Getting the nfs_fh of a specific file/dir from the kernel | From | Trond Myklebust <> | Date | Tue, 13 Feb 2007 15:13:01 -0800 |
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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: linux-kernel-owner@vger.kernel.org > [mailto:linux-kernel-owner@vger.kernel.org] 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. > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" > in the body of a message to majordomo@vger.kernel.org More majordomo > info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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