Hi all, After merging the tip tree, today's linux-next build (x86_64 allmodconfig) failed like this: drivers/block/rbd.c: In function 'wake_lock_waiters': drivers/block/rbd.c:3933:2: error: implicit declaration of function 'lockdep_assert_held_exclusive'; did you mean 'lockdep_assert_held_write'? [-Werror=implicit-function-declaration] lockdep_assert_held_exclusive(&rbd_dev->lock_rwsem); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ lockdep_assert_held_write Caused by commit 9ffbe8ac05db ("locking/lockdep: Rename lockdep_assert_held_exclusive() -> lockdep_assert_held_write()") interacting with commits 637cd060537d ("rbd: new exclusive lock wait/wake code") a2b1da09793d ("rbd: lock should be quiesced on reacquire") from the ceph tree. I have added the following merge fix patch for today. From: Stephen Rothwell Date: Tue, 9 Jul 2019 16:46:12 +1000 Subject: [PATCH] rbd: fix up for lockdep_assert_held_exclusive rename Signed-off-by: Stephen Rothwell --- drivers/block/rbd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 723c3ef4bd59..02216fbdb854 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -3930,7 +3930,7 @@ static void wake_lock_waiters(struct rbd_device *rbd_dev, int result) struct rbd_img_request *img_req; dout("%s rbd_dev %p result %d\n", __func__, rbd_dev, result); - lockdep_assert_held_exclusive(&rbd_dev->lock_rwsem); + lockdep_assert_held_write(&rbd_dev->lock_rwsem); cancel_delayed_work(&rbd_dev->lock_dwork); if (!completion_done(&rbd_dev->acquire_wait)) { @@ -4209,7 +4209,7 @@ static bool rbd_quiesce_lock(struct rbd_device *rbd_dev) bool need_wait; dout("%s rbd_dev %p\n", __func__, rbd_dev); - lockdep_assert_held_exclusive(&rbd_dev->lock_rwsem); + lockdep_assert_held_write(&rbd_dev->lock_rwsem); if (rbd_dev->lock_state != RBD_LOCK_STATE_LOCKED) return false; -- 2.20.1 -- Cheers, Stephen Rothwell