fs: logfs: convert to bio_add_page() in sync_request()

Always bio_add_page() is the standard and preferred way to
do the task.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
1 file changed