This patch fixes the following class of clang compiler errors:
include/liburing.h:150:3: error: address argument to atomic operation must be a
pointer to _Atomic type ('unsigned int *' invalid)
io_uring_smp_store_release(cq->khead, *cq->khead + nr);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Fixes: b9c0bf79aa87 ("src/include/liburing/barrier.h: Use C11 atomics")
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
src/include/liburing/barrier.h | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/src/include/liburing/barrier.h b/src/include/liburing/barrier.h
index c8aa4210371c..57324348466b 100644
--- a/src/include/liburing/barrier.h
+++ b/src/include/liburing/barrier.h
@@ -24,13 +24,17 @@ after the acquire operation executes. This is implemented using
*/
#define IO_URING_WRITE_ONCE(var, val) \
- atomic_store_explicit(&(var), (val), memory_order_relaxed)
+ atomic_store_explicit((_Atomic typeof(var) *)&(var), \
+ (val), memory_order_relaxed)
#define IO_URING_READ_ONCE(var) \
- atomic_load_explicit(&(var), memory_order_relaxed)
+ atomic_load_explicit((_Atomic typeof(var) *)&(var), \
+ memory_order_relaxed)
#define io_uring_smp_store_release(p, v) \
- atomic_store_explicit((p), (v), memory_order_release)
+ atomic_store_explicit((_Atomic typeof(*(p)) *)(p), (v), \
+ memory_order_release)
#define io_uring_smp_load_acquire(p) \
- atomic_load_explicit((p), memory_order_acquire)
+ atomic_load_explicit((_Atomic typeof(*(p)) *)(p), \
+ memory_order_acquire)
#endif /* defined(LIBURING_BARRIER_H) */
