JFS supports larger page size in linux-2.6.12-rc2-mm1

[Dave Kleikamp <shaggy@austin.ibm.com>]

I have finally added support for a page size greater than 4K for jfs and
the code is now in 2.6.12-rc2-mm1.  This will allow jfs to work on
architectures with larger page sizes: alpha, sparc, all configs of ia64,
etc.

I completely replaced the address-space operations for jfs's metadata,
and I expect to see some performance improvements on workloads that
stress metadata operations.

I welcome anybody interested to stress jfs on 2.6.12-rc2-mm1 and give me
any feedback, bug reports, flames, etc.

Thanks,
Shaggy
-- 
David Kleikamp
IBM Linux Technology Center

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