From owner-freebsd-fs@FreeBSD.ORG  Mon Aug 31 22:45:35 2009
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From: Kip Macy <kmacy@freebsd.org>
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Subject: RFT ZFS updates
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I've created a branch where I've merged in some changes from my
private branch to recent HEAD - it incorporates a switch to UMA, some
amount of lock pushdown, and it adds the ability to link in ZFS to
facilitate profiling. Any testing would be appreciated.

svn://svn.freebsd.org/base/user/kmacy/head_zfs_merge/