diff options
| author | Andreas Gruenbacher <agruen@linbit.com> | 2013-06-25 16:50:03 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2013-06-28 16:04:36 +0200 |
| commit | 26ea8f9239a062a47cfef38ea9c63409906366ff (patch) | |
| tree | 959c1873eb49d82e45a4402202544a3179487ac6 /drivers/block | |
| parent | f35546e072a7a86ccb950d4d1508879b0d49e374 (diff) | |
| download | lwn-26ea8f9239a062a47cfef38ea9c63409906366ff.tar.gz lwn-26ea8f9239a062a47cfef38ea9c63409906366ff.zip | |
drbd: Do not sleep inside rcu
Signed-off-by: Andreas Gruenbacher <agruen@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 4222affff488..adee58e19e83 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1039,6 +1039,8 @@ randomize: 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 @@ randomize: 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 |