Re: [patch 00/13] vfs: add helpers to check r/o bind mounts

[Al Viro]

On Thu, Apr 24, 2008 at 04:42:52PM +0200, Miklos Szeredi wrote:

> >  You are right - we do have races there.  Always had.
> > And nfsd_permission() is the next target for continuation of ro-bind
> > series.  Assuming that we don't simply make r/w export to hold will_write
> > all along, in which case all these checks around calls of vfs_...() in
> > there simply go away - that's also an arguable option.
> 
> Yes.  And that _still_ doesn't make the path_*() interface wrong.

It would make it bloody useless for nfsd.  With ecryptfs being a piss-poor
argument in favour of anything other than git rm, what's left?  Another
stack frame in fs/namei.c syscalls?
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