mm-make-snapshotting-pages-for-stable-writes-a-per-bio-operation-fix

mm-make-snapshotting-pages-for-stable-writes-a-per-bio-operation-fix

rename _submit_bh()'s `flags' to `bio_flags', delobotomize the _submit_bh declaration

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Artem Bityutskiy <dedekind1@gmail.com>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>