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

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Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2011-07-04 11:14:31 +02:00
parent 0c46442515
commit 4a2fe568b5
2 changed files with 2 additions and 0 deletions
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1
drivers/block/drbd/drbd_actlog.c
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@ -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);

1
drivers/block/drbd/drbd_worker.c
View File

@ -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);
}