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On Wed, Jun 21, 2006 at 09:45:36PM +0900, YAMAMOTO Takashi wrote:
> >=20
> > Why do you think "lookup_parent()" does not change file system data/met=
adata?
>=20
> lookup_parent does its own vngate_enter/leave dance.
>=20
> each path components can belong to different filesystems than dvp
> and i want to avoid to do vngate_enter multiple filesystems simultaneousl=
y.

Agreed.

> > What if we make lookup() gate-aware?
> >=20
> > 	- add struct mount *ni_gate, *ni_dgate to struct nameidata
> > 	- add an option KEEPGATES to namei() so namei() either leaves
> > 	  the gates on return or keeps them if KEEPGATES is given.
>=20
> i hesitate to complicate namei, which is already too complex...

Agreed.

Take care,

Bill

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