From d0cae97cb600d84a7e00df6f83ab3b2f60d8d7f7 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Wed, 15 Apr 2015 13:37:53 -0700
Subject: [PATCH] f2fs: flush symlink path to avoid broken symlink after POR

This patch tries to avoid broken symlink case after POR in best effort.
This results in performance regression.
But, if f2fs has inline_data and the target path is under 3KB-sized long,
the page would be stored in its inode_block, so that there would be no
performance regression.

Note that, if user wants to keep this file atomically, it needs to trigger
dir->fsync.
And, there is still a hole to produce broken symlink.

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