The commit is pushed to "branch-rh7-3.10.0-327.36.1.vz7.19.x-ovz" and will
appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-327.36.1.vz7.19.1
------>
commit 33cba27d15135e157617e8ae9147baf9925f5e99
Author: Stanislav Kinsburskiy <skinsbur...@virtuozzo.com>
Date: Sat Oct 15 01:49:04 2016 +0400
ms/new helper: wait_event_killable_exclusive()
Patchset description:
fuse: fix signals handling while processing request
This patch fixes wrong SIGBUS result in page fault handler for fuse file,
when
process received a signal.
https://jira.sw.ru/browse/PSBM-53581
Stanislav Kinsburskiy (2):
new helper: wait_event_killable_exclusive()
fuse: handle only fatal signals while waiting request answer
=====================================================
This patch description:
Backport of ms commit 6a0fb306738994d6f091791aeb11a5dc87ad8f4c
("new helper: wait_event_killable_exclusive()").
Signed-off-by: Al Viro <v...@zeniv.linux.org.uk>
Signed-off-by: Stanislav Kinsburskiy <skinsbur...@virtuozzo.com>
Acked-by: Maxim Patlasov <mpatla...@virtuozzo.com>
---
include/linux/wait.h | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 65da9e3..8475f2d 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -710,6 +710,32 @@ do {
\
__ret; \
})
+#define __wait_event_killable_exclusive(wq, condition, ret) \
+do { \
+ DEFINE_WAIT(__wait); \
+ \
+ for (;;) { \
+ prepare_to_wait_exclusive(&wq, &__wait, TASK_KILLABLE); \
+ if (condition) \
+ break; \
+ if (!fatal_signal_pending(current)) { \
+ schedule(); \
+ continue; \
+ } \
+ ret = -ERESTARTSYS; \
+ break; \
+ } \
+ finish_wait(&wq, &__wait); \
+} while (0)
+
+
+#define wait_event_killable_exclusive(wq, condition) \
+({ \
+ int __ret = 0; \
+ if (!(condition)) \
+ __wait_event_killable_exclusive(wq, condition, __ret); \
+ __ret; \
+})
#define __wait_event_lock_irq(wq, condition, lock, cmd)
\
do { \
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