On Mar 7, 2006, at 6:38 AM, Christos Zoulas wrote:

> just keep a global generation number counter and use it to allocate  
> generation
> numbers.

Except you would have to increment it each time an inode is  
allocated, because you don't know what the inode's last generation  
was.  That will run out pretty quickly, because it's a 32-bit counter.

The map sounds like a good enough idea for now.

OTOH, if the metadata were pageable.... :-)

-- thorpej