Re: [PATCH 15/17] fs: inode per-cpu last_ino allocator

From: Christoph Hellwig
Date: Wed Oct 06 2010 - 04:52:01 EST


On Wed, Oct 06, 2010 at 05:29:21PM +1100, Dave Chinner wrote:
> Sounds like a good plan, but I don't really have time right now to
> understand the iget routines of every single filesystem to determine
> which rely on the current new_inode() allocated inode number. I
> think that is best left for a later cleanup, seeing as the
> last_ino scalability problem is easily addressed...

It's fairly easy to do it pessimisticly - all disk based filesystem
don't need it. Anyway, I can do this ontop of your series later. It just
seems a bit counter-intuitive to scale something we don't actually need it
most cases.

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