From 4a2fe568b5428abc56d7d172e3571e33d8ab7265 Mon Sep 17 00:00:00 2001 From: Philipp Reisner Date: Mon, 4 Jul 2011 11:14:31 +0200 Subject: [PATCH] drbd: Keep a reference to the bio until the completion handler finished Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_actlog.c | 1 + drivers/block/drbd/drbd_worker.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index aee599f..528342c 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -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); diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index ee83036..6dcd9f6 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -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); } -- 2.7.4