tree 4c704ede7399dfdd8bfba9dd7af0518a5cdeb691
parent 8869d683b7491467fd39fcbe79756fce3e6f35e7
author Philipp Reisner <philipp.reisner@linbit.com> 1289917844 +0100
committer Philipp Reisner <philipp.reisner@linbit.com> 1299753303 +0100

drbd: Fixed race condition in drbd_queue_bitmap_io

May only test for ap_bio_cnt == 0 under req_lock. It can increase
only under req_lock.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>