Re: [RFC][PATCH] Interface to invalidate regions of mmaps

[William Lee Irwin III]

On Tue, May 13, 2003 at 04:11:31PM -0700, Zach Brown wrote:
> but on the other hand, this doesn't solve another problem we have with
> opportunistic lock extents and sparse page cache populations.  Ideally
> we'd like a FS specific pointer in struct page so we can associate pages
> in the cache with a lock, but I can't imagine suggesting such a thing
> within earshot of wli.  so we'd still have to track the dirty offsets to
> avoid having to pass through offsets 0 ... i_size only to find that one
> page in the 8T file that was cached.

Nah, don't worry about sizeof(struct page) anymore; I'll just jack up
PAGE_SIZE to compensate.

-- wli