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Commit 4a2fe568 authored by Philipp Reisner's avatar Philipp Reisner
Browse files

drbd: Keep a reference to the bio until the completion handler finished 



Signed-off-by: default avatarPhilipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: default avatarLars Ellenberg <lars.ellenberg@linbit.com>
parent 0c464425

drivers/block/drbd/drbd_actlog.c

+1 −0
Original line number Diff line number Diff line
@@ -118,6 +118,7 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev, 
	bio->bi_end_io = drbd_md_io_complete;

	bio->bi_rw = rw;



	bio_get(bio); /* one bio_put() is in the completion handler */

	atomic_inc(&mdev->md_io_in_use); /* drbd_md_put_buffer() is in the completion handler */

	if (drbd_insert_fault(mdev, (rw & WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD))

		bio_endio(bio, -EIO);

drivers/block/drbd/drbd_worker.c

+1 −0
Original line number Diff line number Diff line
@@ -79,6 +79,7 @@ void drbd_md_io_complete(struct bio *bio, int error) 


	md_io->done = 1;

	wake_up(&mdev->misc_wait);

	bio_put(bio);

	drbd_md_put_buffer(mdev);

}