From: Kent Overstreet <kmo@daterainc.com>
Date: Fri, 26 Jul 2013 19:32:38 +0000 (-0700)
Subject: bcache: Have btree_split() insert into parent directly
X-Git-Tag: v3.13-rc1~68^2~1^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=17e21a9f248d3d330acdfb2405c23b8d84c9c23a;p=pandora-kernel.git

bcache: Have btree_split() insert into parent directly

The flow control in btree_insert_node() was... fragile... before,
this'll use more stack (but since our btrees are never more than depth
1, that shouldn't matter) and it should be significantly clearer and
less fragile.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
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