Re: [PATCH][5th RESENT] backport 2.5 inode allocation changes

[Jeff Garzik]

Christoph Hellwig wrote:
> It allows to break worst-offenders like NFS out of the big inode union
> and make VM balancing better by wasting less ram for inodes.  It also
> speedups filesystems that don't want to touch that union in struct
> inode, like JFS, XFS or FreeVxFS (once switched over).  It is a straight
> backport from Al's code in 2.5 and has proven stable in Red Hat's
> recent beta releases (limbo, null).  Al has ACKed my patch submission.
> 
> Credits go to Daniel Phillips for the initial design.
> 
> NOTE: you want my b_inode removal patch applied before this one.

IMO this patch (and b_inode before it) look ok...

but I have a feeling we will have a public disagreement over actually 
shrinking the size of the inode struct...  [but this patch does not do 
that, so IMO it's fine]