From 2dcf51ab2f6ddec795371dad9a8eeca4cda4eee0 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Wed, 29 Apr 2015 18:31:19 -0700
Subject: [PATCH] f2fs: add need_dentry_mark

This patch introduces need_dentry_mark() to clean up and avoid redundant
node locks.

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