linux-phytec-fsl

f2fs: fix to cover lock_op for update_inode_page

Previously, update_inode_page is not called under f2fs_lock_op.
Instead we should call with f2fs_write_inode.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>