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On Thu, Mar 25, 2004 at 11:01:25AM +0900, YAMAMOTO Takashi wrote:
> hi,
>=20
> > > i think (dvp, name) pair is enough to check if it's a mount point or =
not
> > > in that case.  it isn't very pretty, though.
> >=20
> > That is all that needs to be passed in, true. To me the question is how=
=20
> > much work are we trading? We'd save the VOP_LOOKUP() (which could be a =
big=20
> > deal), but we then have more complexity in each file system so they can=
 do=20
> > the mount-point test themselves.
>=20
> what i meant is, filesystem independent code can do the test
> before calling VOP_REMOVE.

How? We need the vnode itself (if there is one) to see if it's mounted on.

Note I'm assuming that we also did the NOLEAF or whatever change, so that=
=20
we don't actually VOP_LOOKUP() the node.

Take care,

Bill

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