I don't want to spam the list with a full resend again, but I've updated the branch here: git://git.infradead.org/users/hch/block.git blk-limits-base http://git.infradead.org/?p=users/hch/block.git;a=shortlog;h=refs/heads/blk-limits-base with the bisection hazard found by Keith and the various review tags.