Files
linux/fs/f2fs
Chao Yu 2cc5dcf7a9 f2fs: fix to account IO correctly
commit 4c58ed0768 upstream.

Below race can cause reversed reference on dirty count, fix it by
relocating __submit_bio() and inc_page_count().

Thread A				Thread B
- f2fs_inplace_write_data
 - f2fs_submit_page_bio
  - __submit_bio
					- f2fs_write_end_io
					 - dec_page_count
  - inc_page_count

Cc: <stable@vger.kernel.org>
Fixes: d1b3e72d54 ("f2fs: submit bio of in-place-update pages")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-13 11:15:01 -08:00
..
2016-09-14 16:52:36 -07:00
2018-10-13 09:27:29 +02:00
2018-11-13 11:15:01 -08:00