diff options
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 83b6cb3e7025..31f8e151d893 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c | |||
| @@ -371,10 +371,14 @@ static void md_end_flush(struct bio *bio, int err) | |||
| 371 | bio_put(bio); | 371 | bio_put(bio); |
| 372 | } | 372 | } |
| 373 | 373 | ||
| 374 | static void md_submit_flush_data(struct work_struct *ws); | ||
| 375 | |||
| 374 | static void submit_flushes(mddev_t *mddev) | 376 | static void submit_flushes(mddev_t *mddev) |
| 375 | { | 377 | { |
| 376 | mdk_rdev_t *rdev; | 378 | mdk_rdev_t *rdev; |
| 377 | 379 | ||
| 380 | INIT_WORK(&mddev->flush_work, md_submit_flush_data); | ||
| 381 | atomic_set(&mddev->flush_pending, 1); | ||
| 378 | rcu_read_lock(); | 382 | rcu_read_lock(); |
| 379 | list_for_each_entry_rcu(rdev, &mddev->disks, same_set) | 383 | list_for_each_entry_rcu(rdev, &mddev->disks, same_set) |
| 380 | if (rdev->raid_disk >= 0 && | 384 | if (rdev->raid_disk >= 0 && |
| @@ -397,6 +401,8 @@ static void submit_flushes(mddev_t *mddev) | |||
| 397 | rdev_dec_pending(rdev, mddev); | 401 | rdev_dec_pending(rdev, mddev); |
| 398 | } | 402 | } |
| 399 | rcu_read_unlock(); | 403 | rcu_read_unlock(); |
| 404 | if (atomic_dec_and_test(&mddev->flush_pending)) | ||
| 405 | queue_work(md_wq, &mddev->flush_work); | ||
| 400 | } | 406 | } |
| 401 | 407 | ||
| 402 | static void md_submit_flush_data(struct work_struct *ws) | 408 | static void md_submit_flush_data(struct work_struct *ws) |
| @@ -426,13 +432,7 @@ void md_flush_request(mddev_t *mddev, struct bio *bio) | |||
| 426 | mddev->flush_bio = bio; | 432 | mddev->flush_bio = bio; |
| 427 | spin_unlock_irq(&mddev->write_lock); | 433 | spin_unlock_irq(&mddev->write_lock); |
| 428 | 434 | ||
| 429 | atomic_set(&mddev->flush_pending, 1); | ||
| 430 | INIT_WORK(&mddev->flush_work, md_submit_flush_data); | ||
| 431 | |||
| 432 | submit_flushes(mddev); | 435 | submit_flushes(mddev); |
| 433 | |||
| 434 | if (atomic_dec_and_test(&mddev->flush_pending)) | ||
| 435 | queue_work(md_wq, &mddev->flush_work); | ||
| 436 | } | 436 | } |
| 437 | EXPORT_SYMBOL(md_flush_request); | 437 | EXPORT_SYMBOL(md_flush_request); |
| 438 | 438 | ||
