redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

drbd: Do not sleep inside rcu 

Signed-off-by: Andreas Gruenbacher <agruen@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
hifive-unleashed-5.1
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/block/drbd/drbd_receiver.c
View File

@ -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