diff options
Diffstat (limited to 'include/linux/rwsem.h')
| -rw-r--r-- | include/linux/rwsem.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index ba3f108ddea..9fdcdd03507 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -13,10 +13,9 @@ #include <linux/kernel.h> #include <linux/list.h> #include <linux/spinlock.h> - #include <linux/atomic.h> +#include <linux/osq_lock.h> -struct optimistic_spin_node; struct rw_semaphore; #ifdef CONFIG_RWSEM_GENERIC_SPINLOCK @@ -33,7 +32,7 @@ struct rw_semaphore { * if the owner is running on the cpu. */ struct task_struct *owner; - struct optimistic_spin_node *osq; /* spinner MCS lock */ + struct optimistic_spin_queue osq; /* spinner MCS lock */ #endif #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; @@ -70,7 +69,7 @@ static inline int rwsem_is_locked(struct rw_semaphore *sem) __RAW_SPIN_LOCK_UNLOCKED(name.wait_lock), \ LIST_HEAD_INIT((name).wait_list), \ NULL, /* owner */ \ - NULL /* mcs lock */ \ + { ATOMIC_INIT(OSQ_UNLOCKED_VAL) } /* osq */ \ __RWSEM_DEP_MAP_INIT(name) } #else #define __RWSEM_INITIALIZER(name) \ |