Re: [Patch] VFS : mount lock scalability for files systems without mount point (WAS vfsmount lock issues on very large ppc64 box)

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On Mon, Jul 25, 2011 at 03:39:10PM -0700, Tim Chen wrote:
> On Sat, 2011-07-23 at 09:24 -0400, Christoph Hellwig wrote:
> > I think you actually want this done in kern_mount_data, as both
> > ipc and proc want long-term references as well.  I also suspect with
> > additional creep of container awareness more internal mounts will switch
> > to kern_mount_data.  Al, what do you think about simply passing the
> > private data argument to kern_mount and kill kern_mount_data?  It's not
> > like the additional argument is going to cause us any pain.
> > 
> > 
> 
> I've updated the patch and merged mnt_make_longterm into
> kern_mount_data to address your comments.  I've left the kern_mount
> and kern_mount_data as separate functions for now.  Let me know
> if removing kern_mount_data is preferable instead.

It's mostly merged in mainline already...  BTW, you forgot to export
that sucker - mtdchar can be modular.
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