invalidate_inode_pages in 2.5.32/3

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hi all-

it appears that changes in or around invalidate_inode_pages that went into
2.5.32/3 have broken certain cache behaviors that the NFS client depends
on. when the NFS client calls invalidate_inode_pages to purge directory
data from the page cache, sometimes it works as before, and sometimes it
doesn't, leaving stale pages in the page cache.

i don't know much about the MM, but i can reliably reproduce the problem.
what more information can i provide? please copy me, as i'm not a member
of the linux-kernel mailing list.

        - Chuck Lever

-- 
corporate:	<cel at netapp dot com>
personal:	<chucklever at bigfoot dot com>
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