f2fs: add spin_lock to cover radix operations in IO tracer
authorJaegeuk Kim <jaegeuk@kernel.org>
Wed, 7 Jan 2015 22:07:36 +0000 (14:07 -0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Sat, 10 Jan 2015 01:02:28 +0000 (17:02 -0800)
This patch adds spin_lock to cover radix tree operations in IO tracer.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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