mkfs.f2fs: remove extent_cache entry for parent directory

Currently, directory should not have any extent cache entry.
Otherwise, fsck.f2fs will trigger a false-alarmed report.

Change-Id: I716e290308eb5f0ea4b59f1a262d20a8fd303a0e
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
1 file changed