From c5aa4a3157b55bdca18dd2a9d9f43314470b6d32 Mon Sep 17 00:00:00 2001
From: Slava Pestov <sp@daterainc.com>
Date: Mon, 21 Apr 2014 18:23:12 -0700
Subject: [PATCH] bcache: wait for buckets when allocating new btree root

Tested:
- sometimes bcache_tier test would hang on startup with a failure
  to allocate the btree root -- no longer seeing this

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
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Reading git-format-patch failed