tree 1b1a8470851e636810cee8d6188f7e65ea10ac9a
parent d1aa245354ae4605d1183f542ed8d45811c439f6
author Jaegeuk Kim <jaegeuk@kernel.org> 1498092759 -0700
committer Jaegeuk Kim <jaegeuk@kernel.org> 1499450879 -0700

f2fs: avoid deadlock caused by lock order of page and lock_op

- punch_hole
 - fill_zero
  - f2fs_lock_op
  - get_new_data_page
   - lock_page

- f2fs_write_data_pages
 - lock_page
 - do_write_data_page
  - f2fs_lock_op

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