diff options
Diffstat (limited to 'drivers/block/drbd/drbd_int.h')
-rw-r--r-- | drivers/block/drbd/drbd_int.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 5136510ec8be..2704af2ccf61 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h | |||
@@ -2421,15 +2421,17 @@ static inline void dec_ap_bio(struct drbd_conf *mdev) | |||
2421 | int ap_bio = atomic_dec_return(&mdev->ap_bio_cnt); | 2421 | int ap_bio = atomic_dec_return(&mdev->ap_bio_cnt); |
2422 | 2422 | ||
2423 | D_ASSERT(ap_bio >= 0); | 2423 | D_ASSERT(ap_bio >= 0); |
2424 | |||
2425 | if (ap_bio == 0 && test_bit(BITMAP_IO, &mdev->flags)) { | ||
2426 | if (!test_and_set_bit(BITMAP_IO_QUEUED, &mdev->flags)) | ||
2427 | drbd_queue_work(&mdev->data.work, &mdev->bm_io_work.w); | ||
2428 | } | ||
2429 | |||
2424 | /* this currently does wake_up for every dec_ap_bio! | 2430 | /* this currently does wake_up for every dec_ap_bio! |
2425 | * maybe rather introduce some type of hysteresis? | 2431 | * maybe rather introduce some type of hysteresis? |
2426 | * e.g. (ap_bio == mxb/2 || ap_bio == 0) ? */ | 2432 | * e.g. (ap_bio == mxb/2 || ap_bio == 0) ? */ |
2427 | if (ap_bio < mxb) | 2433 | if (ap_bio < mxb) |
2428 | wake_up(&mdev->misc_wait); | 2434 | wake_up(&mdev->misc_wait); |
2429 | if (ap_bio == 0 && test_bit(BITMAP_IO, &mdev->flags)) { | ||
2430 | if (!test_and_set_bit(BITMAP_IO_QUEUED, &mdev->flags)) | ||
2431 | drbd_queue_work(&mdev->data.work, &mdev->bm_io_work.w); | ||
2432 | } | ||
2433 | } | 2435 | } |
2434 | 2436 | ||
2435 | static inline int drbd_set_ed_uuid(struct drbd_conf *mdev, u64 val) | 2437 | static inline int drbd_set_ed_uuid(struct drbd_conf *mdev, u64 val) |