tree 702bfaa3ff203a120cb550550d41aef77c636952
parent da5af127a1a17bac121c6889c88cc90f8a278a84
author Chao Yu <chao2.yu@samsung.com> 1452255772 +0800
committer Jaegeuk Kim <jaegeuk@kernel.org> 1452283031 -0800

f2fs: use atomic type for node count in extent tree

1. rename field in struct extent_tree from count to node_cnt for
   readability.
2. alter to use atomic type for node_cnt.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>