Re: [PATCH 1/3] autofs4 - fix device ioctl mount lookup

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On Wed, 2013-09-04 at 03:42 +0100, Al Viro wrote:
> On Wed, Sep 04, 2013 at 03:26:17AM +0100, Al Viro wrote:
> > I've applied slightly modified variant of Jeff's "vfs: allow umount to handle
> > mountpoints without revalidating them" (modified by just leaving the
> > struct path filled with mountpoint and leaving the equivalent of follow_mount()
> > to caller) to the local queue and I'm pretty sure that it's what we want
> > here as well.
> 
> ... and killed the modifications since the result ends up uglier for
> caller(s) anyway.  Reapplied as-is.

Looks like Jeff's patch has been merged, commit 8033426e6.

Revalidation isn't the only thing not done on the last component using
Jeff's user_path_umountat() path walk. It also bypasses the managed
dentry code for the last component, which is why it's what I need as
well.

Encoding umount in the name seems misleading as to what it really does
as would encoding unmanaged or similar since that doesn't properly cover
it either.

I can rename it in a patch to solve my autofs problem, so how about
something like user_path_simple_last(), other suggestions anyone?

Ian

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