tree 561c55e24a7bc8d646ef2af5bb039b7b815bb676
parent a664d0f05a2ec02c8f042db536d84d15d6e19e81
author Slava Pestov <sp@daterainc.com> 1398129792 -0700
committer Kent Overstreet <kmo@daterainc.com> 1407190983 -0700

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>