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authorColin Cross <ccross@android.com>2013-05-06 23:50:13 +0000
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-05-12 14:16:22 +0200
commit8ee492d6595573a0d4be168ebda1c7ceb4ec509d (patch)
treea2edf603eedb8dd407cb51b862964029cdf6c6bb /include/linux/freezer.h
parentfreezer: convert freezable helpers to freezer_do_not_count() (diff)
downloadlinux-dev-8ee492d6595573a0d4be168ebda1c7ceb4ec509d.tar.xz
linux-dev-8ee492d6595573a0d4be168ebda1c7ceb4ec509d.zip
freezer: convert freezable helpers to static inline where possible
Some of the freezable helpers have to be macros because their condition argument needs to get evaluated every time through the wait loop. Convert the others to static inline to make future changes easier. Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/freezer.h')
-rw-r--r--include/linux/freezer.h58
1 files changed, 29 insertions, 29 deletions
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index c71337af9bbd..8430d4c51ece 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -159,46 +159,46 @@ static inline bool freezer_should_skip(struct task_struct *p)
}
/*
- * These macros are intended to be used whenever you want allow a sleeping
+ * These functions are intended to be used whenever you want allow a sleeping
* task to be frozen. Note that neither return any clear indication of
* whether a freeze event happened while in this function.
*/
/* Like schedule(), but should not block the freezer. */
-#define freezable_schedule() \
-({ \
- freezer_do_not_count(); \
- schedule(); \
- freezer_count(); \
-})
+static inline void freezable_schedule(void)
+{
+ freezer_do_not_count();
+ schedule();
+ freezer_count();
+}
/* DO NOT ADD ANY NEW CALLERS OF THIS FUNCTION */
-#define freezable_schedule_unsafe() \
-({ \
- freezer_do_not_count(); \
- schedule(); \
- freezer_count_unsafe(); \
-})
+static inline void freezable_schedule_unsafe(void)
+{
+ freezer_do_not_count();
+ schedule();
+ freezer_count_unsafe();
+}
/* Like schedule_timeout_killable(), but should not block the freezer. */
-#define freezable_schedule_timeout_killable(timeout) \
-({ \
- long __retval; \
- freezer_do_not_count(); \
- __retval = schedule_timeout_killable(timeout); \
- freezer_count(); \
- __retval; \
-})
+static inline long freezable_schedule_timeout_killable(long timeout)
+{
+ long __retval;
+ freezer_do_not_count();
+ __retval = schedule_timeout_killable(timeout);
+ freezer_count();
+ return __retval;
+}
/* DO NOT ADD ANY NEW CALLERS OF THIS FUNCTION */
-#define freezable_schedule_timeout_killable_unsafe(timeout) \
-({ \
- long __retval; \
- freezer_do_not_count(); \
- __retval = schedule_timeout_killable(timeout); \
- freezer_count_unsafe(); \
- __retval; \
-})
+static inline long freezable_schedule_timeout_killable_unsafe(long timeout)
+{
+ long __retval;
+ freezer_do_not_count();
+ __retval = schedule_timeout_killable(timeout);
+ freezer_count_unsafe();
+ return __retval;
+}
/*
* Freezer-friendly wrappers around wait_event_interruptible(),