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On Jun 24, 2004, at 8:58 PM, Gordon Waidhofer wrote:

>>
>> In terms of getting to this, I think I'd much prefer moving to 
>> internal
>> locking.
>
> I'd vote for that, I think. Does internal and
> advisory/non-exclusive mean the same thing?

It means that it would be up to the file system.  Presumably there 
would also be VOP_LOCK() and VOP_UNLOCK() calls that FS-independent 
code would use to access fields in the generic vnode structure that are 
also accessed by the FS-specific code, because there would be some 
instances where that would be necessary.

But all vnode operations would otherwise enter with unlocked vnodes and 
exit with unlocked vnodes.

         -- Jason R. Thorpe <thorpej@wasabisystems.com>


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