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SubjectRe: r-o bind in nfsd
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> On Fri, 2008-03-21 at 19:52 +0100, Miklos Szeredi wrote:
> > Traditionally we have syscalls, and nfsd. Both of them want the
> > security checks, and I think nfsd wants the read-only mount checking
> > as well, but I'm not entirely sure. Maybe we can handle that by just
> > making nfsd acquire a write-ref on the mount and keep it while it's
> > exported.
>
> The only question for me would be where the current r/o checks are
> happening (IS_RDONLY()). I generally based my patches on replacing
> those calls.

In may_create()/may_delete() on parent directory. So that one needs
audit of all callers, unless Al can be convinced that moving those
checks into the VFS makes sense.

Miklos


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