From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Wed, 23 Apr 2014 10:15:35 +0000 (+0200)
Subject: drbd: consistently use list_add_tail for peer_request tracking
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~74^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b9ed7080d7d29112c898c64bad778b84eec0ed2d;p=pandora-kernel.git

drbd: consistently use list_add_tail for peer_request tracking

Keep the epoch entry lists (active_ee, read_ee, sync_ee, ...)
consistently "oldest first".  That way finding the oldest not yet
successfully processed request is simply list_first_entry_or_null.

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