Update bcachefs sources to 9404a01d3dc5 bcachefs: Make read_only a mo…

…unt option again, but hidden

Signed-off-by: Kent Overstreet <[email protected]>

.bcachefs_revision

@@ -1 +1 @@
-792ca5ba3c9a07d762d9c1a440e31c0520f37de0
+9404a01d3dc5553b106fa590602f4771b8e0b8ae

include/linux/atomic.h

@@ -26,6 +26,7 @@ typedef struct {
 
 #define __ATOMIC_READ(p)		uatomic_read(p)
 #define __ATOMIC_SET(p, v)		uatomic_set(p, v)
+#define __ATOMIC_SET_RELEASE(p, v)	uatomic_set(p, v)
 #define __ATOMIC_ADD_RETURN(v, p)	uatomic_add_return(p, v)
 #define __ATOMIC_SUB_RETURN(v, p)	uatomic_sub_return(p, v)
 #define __ATOMIC_ADD(v, p)		uatomic_add(p, v)
@@ -64,6 +65,7 @@ typedef struct {
 
 #define __ATOMIC_READ(p)		__atomic_load_n(p,	__ATOMIC_RELAXED)
 #define __ATOMIC_SET(p, v)		__atomic_store_n(p, v,	__ATOMIC_RELAXED)
+#define __ATOMIC_SET_RELEASE(p, v)	__atomic_store_n(p, v,	__ATOMIC_RELEASE)
 #define __ATOMIC_ADD_RETURN(v, p)	__atomic_add_fetch(p, v, __ATOMIC_RELAXED)
 #define __ATOMIC_ADD_RETURN_RELEASE(v, p)				\
 					__atomic_add_fetch(p, v, __ATOMIC_RELEASE)
@@ -189,6 +191,11 @@ static inline void a_type##_set(a_type##_t *v, i_type i)		\
 	return __ATOMIC_SET(&v->counter, i);				\
 }									\
 									\
+static inline void a_type##_set_release(a_type##_t *v, i_type i)	\
+{									\
+	return __ATOMIC_SET_RELEASE(&v->counter, i);			\
+}									\
+									\
 static inline i_type a_type##_add_return(i_type i, a_type##_t *v)	\
 {									\
 	return __ATOMIC_ADD_RETURN(i, &v->counter);			\

include/linux/closure.h

@@ -284,6 +284,21 @@ static inline void closure_get(struct closure *cl)
 #endif
 }
 
+/**
+ * closure_get_not_zero
+ */
+static inline bool closure_get_not_zero(struct closure *cl)
+{
+	unsigned old = atomic_read(&cl->remaining);
+	do {
+		if (!(old & CLOSURE_REMAINING_MASK))
+			return false;
+
+	} while (!atomic_try_cmpxchg_acquire(&cl->remaining, &old, old + 1));
+
+	return true;
+}
+
 /**
  * closure_init - Initialize a closure, setting the refcount to 1
  * @cl:		closure to initialize
@@ -310,6 +325,12 @@ static inline void closure_init_stack(struct closure *cl)
 	atomic_set(&cl->remaining, CLOSURE_REMAINING_INITIALIZER);
 }
 
+static inline void closure_init_stack_release(struct closure *cl)
+{
+	memset(cl, 0, sizeof(struct closure));
+	atomic_set_release(&cl->remaining, CLOSURE_REMAINING_INITIALIZER);
+}
+
 /**
  * closure_wake_up - wake up all closures on a wait list,
  *		     with memory barrier
@@ -355,6 +376,8 @@ do {									\
  */
 #define closure_return(_cl)	continue_at((_cl), NULL, NULL)
 
+void closure_return_sync(struct closure *cl);
+
 /**
  * continue_at_nobarrier - jump to another function without barrier
  *

include/linux/workqueue.h

@@ -151,7 +151,7 @@ extern void workqueue_set_max_active(struct workqueue_struct *wq,
 extern bool current_is_workqueue_rescuer(void);
 extern bool workqueue_congested(int cpu, struct workqueue_struct *wq);
 extern unsigned int work_busy(struct work_struct *work);
-extern __printf(1, 2) void set_worker_desc(const char *fmt, ...);
+static inline __printf(1, 2) void set_worker_desc(const char *fmt, ...) {}
 extern void print_worker_info(const char *log_lvl, struct task_struct *task);
 extern void show_workqueue_state(void);