The patch titled
rename cancel_rearming_delayed_work() to cancel_delayed_work_sync()
has been added to the -mm tree. Its filename is
rename-cancel_rearming_delayed_work-to-cancel_delayed_work_sync.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: rename cancel_rearming_delayed_work() to cancel_delayed_work_sync()
From: Oleg Nesterov <oleg@xxxxxxxxxx>
Imho, the current naming of cancel_xxx workqueue functions is very confusing.
cancel_delayed_work()
cancel_rearming_delayed_work()
cancel_rearming_delayed_workqueue() // obsolete
cancel_work_sync()
This looks as if the first 2 functions differ in "type" of their argument
which is not true any longer, nowadays the difference is the behaviour.
The semantics of cancel_rearming_delayed_work(dwork) was changed
significantly, it doesn't require that dwork rearms itself, and cancels dwork
synchronously.
Rename it to cancel_delayed_work_sync(). This matches cancel_delayed_work()
and cancel_work_sync(). Re-create cancel_rearming_delayed_work() as a simple
inline obsolete wrapper, like cancel_rearming_delayed_workqueue().
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Acked-by: Jarek Poplawski <jarkao2@xxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/workqueue.h | 13 ++++++++++---
kernel/workqueue.c | 6 +++---
2 files changed, 13 insertions(+), 6 deletions(-)
diff -puN include/linux/workqueue.h~rename-cancel_rearming_delayed_work-to-cancel_delayed_work_sync include/linux/workqueue.h
--- a/include/linux/workqueue.h~rename-cancel_rearming_delayed_work-to-cancel_delayed_work_sync
+++ a/include/linux/workqueue.h
@@ -166,14 +166,21 @@ static inline int cancel_delayed_work(st
return ret;
}
-extern void cancel_rearming_delayed_work(struct delayed_work *work);
+extern void cancel_delayed_work_sync(struct delayed_work *work);
-/* Obsolete. use cancel_rearming_delayed_work() */
+/* Obsolete. use cancel_delayed_work_sync() */
static inline
void cancel_rearming_delayed_workqueue(struct workqueue_struct *wq,
struct delayed_work *work)
{
- cancel_rearming_delayed_work(work);
+ cancel_delayed_work_sync(work);
+}
+
+/* Obsolete. use cancel_delayed_work_sync() */
+static inline
+void cancel_rearming_delayed_work(struct delayed_work *work)
+{
+ cancel_delayed_work_sync(work);
}
#endif
diff -puN kernel/workqueue.c~rename-cancel_rearming_delayed_work-to-cancel_delayed_work_sync kernel/workqueue.c
--- a/kernel/workqueue.c~rename-cancel_rearming_delayed_work-to-cancel_delayed_work_sync
+++ a/kernel/workqueue.c
@@ -486,13 +486,13 @@ void cancel_work_sync(struct work_struct
EXPORT_SYMBOL_GPL(cancel_work_sync);
/**
- * cancel_rearming_delayed_work - reliably kill off a delayed work.
+ * cancel_delayed_work_sync - reliably kill off a delayed work.
* @dwork: the delayed work struct
*
* It is possible to use this function if @dwork rearms itself via queue_work()
* or queue_delayed_work(). See also the comment for cancel_work_sync().
*/
-void cancel_rearming_delayed_work(struct delayed_work *dwork)
+void cancel_delayed_work_sync(struct delayed_work *dwork)
{
while (!del_timer(&dwork->timer) &&
!try_to_grab_pending(&dwork->work))
@@ -500,7 +500,7 @@ void cancel_rearming_delayed_work(struct
wait_on_work(&dwork->work);
work_clear_pending(&dwork->work);
}
-EXPORT_SYMBOL(cancel_rearming_delayed_work);
+EXPORT_SYMBOL(cancel_delayed_work_sync);
static struct workqueue_struct *keventd_wq __read_mostly;
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
libata-core-convert-to-use-cancel_rearming_delayed_work.patch
freezer-make-kernel-threads-nonfreezable-by-default.patch
freezer-make-kernel-threads-nonfreezable-by-default-fix.patch
freezer-make-kernel-threads-nonfreezable-by-default-fix-fix.patch
freezer-make-kernel-threads-nonfreezable-by-default-fix-2.patch
freezer-run-show_state-when-freezing-times-out.patch
hibernation-prepare-to-enter-the-low-power-state.patch
freezer-avoid-freezing-kernel-threads-prematurely.patch
freezer-use-__set_current_state-in-refrigerator.patch
freezer-return-int-from-freeze_processes.patch
freezer-remove-redundant-check-in-try_to_freeze_tasks.patch
pm-prevent-frozen-user-mode-helpers-from-failing-the-freezing-of-tasks-rev-2.patch
add-generic-exit-time-stack-depth-checking-to-config_debug_stack_usage.patch
clone-flag-clone_parent_tidptr-leaves-invalid-results-in-memory.patch
use-write_trylock_irqsave-in-ptrace_attach.patch
fix-stop_machine_run-problem-with-naughty-real-time-process.patch
cpu-hotplug-fix-ksoftirqd-termination-on-cpu-hotplug-with-naughty-realtime-process.patch
cpu-hotplug-fix-ksoftirqd-termination-on-cpu-hotplug-with-naughty-realtime-process-fix.patch
percpu_counters-use-cpu-notifiers.patch
percpu_counters-use-for_each_online_cpu.patch
mm-fix-create_new_namespaces-return-value.patch
adb_probe_task-remove-unneeded-flush_signals-call.patch
kcdrwd-remove-unneeded-flush_signals-call.patch
nbdcsock_xmit-cleanup-signal-related-code.patch
rename-cancel_rearming_delayed_work-to-cancel_delayed_work_sync.patch
make-cancel_xxx_work_sync-return-a-boolean.patch
-
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