From: Kent Overstreet <kmo@daterainc.com>
Date: Thu, 25 Jul 2013 00:22:44 +0000 (-0700)
Subject: bcache: Insert multiple keys at a time
X-Git-Tag: v3.13-rc1~68^2~1^2~43
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=403b6cdeb1a38d896ffcb1f99ddcfd4e343b5d69;p=pandora-kernel.git

bcache: Insert multiple keys at a time

We'll often end up with a list of adjacent keys to insert -
because bch_data_insert() may have to fragment the data it writes.

Originally, to simplify things and avoid having to deal with corner
cases bch_btree_insert() would pass keys from this list one at a time to
btree_insert_recurse() - mainly because the list of keys might span leaf
nodes, so it was easier this way.

With the btree_insert_node() refactoring, it's now a lot easier to just
pass down the whole list and have btree_insert_recurse() iterate over
leaf nodes until it's done.

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