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On Tue, May 25, 2004 at 11:52:56PM -0700, Jason Thorpe wrote:
>=20
> On May 25, 2004, at 11:15 PM, Bill Studenmund wrote:
>=20
> >Specifically with using exclusive locks, I think that the vnode system=
=20
> >was
> >fine-grained. Perhaps not the best locking (we can get better=20
> >parallelism,
> >perhaps), but correct. By changing things so we need big-lock, we take=
=20
> >a
> >step back.
>=20
> Why do you think that a shared lock requires use of the Biglock?

Because of the code in question was written assuming an exclusive lock,
not a shared one. ufs_update() for example. Also, currently, it's
documented to get an exclusive lock.

Take care,

Bill

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