[PATCH 30/50] workqueue: Split out workqueue_types.h

[Kent Overstreet]

More sched.h dependency culling - this lets us kill a rhashtable-types.h
dependency on workqueue.h.

Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx>
---
 include/linux/dma-fence.h        |  1 +
 include/linux/rhashtable-types.h |  2 +-
 include/linux/timekeeping.h      |  1 +
 include/linux/workqueue.h        | 16 +---------------
 include/linux/workqueue_types.h  | 25 +++++++++++++++++++++++++
 5 files changed, 29 insertions(+), 16 deletions(-)
 create mode 100644 include/linux/workqueue_types.h

diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index b3772edca2e6..e06bad467f55 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -21,6 +21,7 @@
 #include <linux/sched.h>
 #include <linux/printk.h>
 #include <linux/rcupdate.h>
+#include <linux/timekeeping.h>
 
 struct dma_fence;
 struct dma_fence_ops;
diff --git a/include/linux/rhashtable-types.h b/include/linux/rhashtable-types.h
index 57467cbf4c5b..b6f3797277ff 100644
--- a/include/linux/rhashtable-types.h
+++ b/include/linux/rhashtable-types.h
@@ -12,7 +12,7 @@
 #include <linux/atomic.h>
 #include <linux/compiler.h>
 #include <linux/mutex.h>
-#include <linux/workqueue.h>
+#include <linux/workqueue_types.h>
 
 struct rhash_head {
 	struct rhash_head __rcu		*next;
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index fe1e467ba046..7c43e98cf211 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -4,6 +4,7 @@
 
 #include <linux/errno.h>
 #include <linux/clocksource_ids.h>
+#include <linux/ktime.h>
 
 /* Included from linux/ktime.h */
 
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 24b1e5070f4d..f1bb2e35301f 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -14,12 +14,7 @@
 #include <linux/atomic.h>
 #include <linux/cpumask.h>
 #include <linux/rcupdate.h>
-
-struct workqueue_struct;
-
-struct work_struct;
-typedef void (*work_func_t)(struct work_struct *work);
-void delayed_work_timer_fn(struct timer_list *t);
+#include <linux/workqueue_types.h>
 
 /*
  * The first word is the work queue pointer and the flags rolled into
@@ -95,15 +90,6 @@ enum {
 #define WORK_STRUCT_FLAG_MASK    ((1ul << WORK_STRUCT_FLAG_BITS) - 1)
 #define WORK_STRUCT_WQ_DATA_MASK (~WORK_STRUCT_FLAG_MASK)
 
-struct work_struct {
-	atomic_long_t data;
-	struct list_head entry;
-	work_func_t func;
-#ifdef CONFIG_LOCKDEP
-	struct lockdep_map lockdep_map;
-#endif
-};
-
 #define WORK_DATA_INIT()	ATOMIC_LONG_INIT((unsigned long)WORK_STRUCT_NO_POOL)
 #define WORK_DATA_STATIC_INIT()	\
 	ATOMIC_LONG_INIT((unsigned long)(WORK_STRUCT_NO_POOL | WORK_STRUCT_STATIC))
diff --git a/include/linux/workqueue_types.h b/include/linux/workqueue_types.h
new file mode 100644
index 000000000000..4c38824f3ab4
--- /dev/null
+++ b/include/linux/workqueue_types.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_WORKQUEUE_TYPES_H
+#define _LINUX_WORKQUEUE_TYPES_H
+
+#include <linux/atomic.h>
+#include <linux/lockdep_types.h>
+#include <linux/timer_types.h>
+#include <linux/types.h>
+
+struct workqueue_struct;
+
+struct work_struct;
+typedef void (*work_func_t)(struct work_struct *work);
+void delayed_work_timer_fn(struct timer_list *t);
+
+struct work_struct {
+	atomic_long_t data;
+	struct list_head entry;
+	work_func_t func;
+#ifdef CONFIG_LOCKDEP
+	struct lockdep_map lockdep_map;
+#endif
+};
+
+#endif /* _LINUX_WORKQUEUE_TYPES_H */
-- 
2.43.0