Merge tag 'for-f2fs-v4.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs fixes from Jaegeuk Kim:
 - fsmark regression
 - i_size race condition
 - wrong conditions in f2fs_move_file_range

* tag 'for-f2fs-v4.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
  f2fs: avoid potential deadlock in f2fs_move_file_range
  f2fs: allow copying file range only in between regular files
  Revert "f2fs: move i_size_write in f2fs_write_end"
  Revert "f2fs: use percpu_rw_semaphore"