Rafael Weinstein d702c848e4 [Effen] minor cleanup
This patch adds an assert that the mount/unmount queues are not subject to concurrent modification and refactors the sync-tracing to avoid the cost of string interpolation if tracing is disabled.

BUG=
R=abarth@chromium.org

Review URL: https://codereview.chromium.org/1020103004
2015-03-20 10:20:05 -07:00
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