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drbd: Do not sleep inside rcu

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Signed-off-by: Andreas Gruenbacher <agruen@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Andreas Gruenbacher 2013-06-25 16:50:03 +02:00 committed by Jens Axboe
parent f35546e072
commit 26ea8f9239
1 changed files with 2 additions and 2 deletions
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4
drivers/block/drbd/drbd_receiver.c
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@ -1039,6 +1039,8 @@ static int conn_connect(struct drbd_tconn *tconn)
rcu_read_lock();
idr_for_each_entry(&tconn->volumes, mdev, vnr) {
kref_get(&mdev->kref);
rcu_read_unlock();
/* Prevent a race between resync-handshake and
* being promoted to Primary.
*
@ -1049,8 +1051,6 @@ static int conn_connect(struct drbd_tconn *tconn)
mutex_lock(mdev->state_mutex);
mutex_unlock(mdev->state_mutex);
rcu_read_unlock();
if (discard_my_data)
set_bit(DISCARD_MY_DATA, &mdev->flags);
else