From: Andreas Gruenbacher <agruen@linbit.com>
Date: Fri, 21 Jan 2011 16:18:39 +0000 (+0100)
Subject: drbd: Add read_requests tree
X-Git-Tag: v3.8-rc1~78^2~18^2~561
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dac1389ccc273b5486f2931c64c8e1672f233727;p=pandora-kernel.git

drbd: Add read_requests tree

We do not do collision detection for read requests, but we still need to
look up the request objects when we receive a package over the network.
Using the same data structure for read and write requests results in
simpler code once the tl_hash and app_reads_hash tables are removed.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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