linux-kernel - [PATCH 06/13] Move ep_take_care_of

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Date:	Tue,  3 Nov 2015 11:46:27 -0800
From:	Palmer Dabbelt <palmer@...belt.com>
To:	dhowells@...hat.com
Cc:	Palmer Dabbelt <palmer@...belt.com>
Subject: [PATCH 06/13] Move ep_take_care_of_epollwakeup() to fs/eventpoll.c

This doesn't make any sense to expose to userspace, so it's been moved
to the one user.  This was introduced by commit 95f19f658ce1 ("epoll:
drop EPOLLWAKEUP if PM_SLEEP is disabled").

Signed-off-by: Palmer Dabbelt <palmer@...belt.com>
Reviewed-by: Andrew Waterman <waterman@...s.berkeley.edu>
Reviewed-by: Albert Ou <aou@...s.berkeley.edu>
---
 fs/eventpoll.c                 | 13 +++++++++++++
 include/uapi/linux/eventpoll.h | 12 ------------
 2 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 1e009ca..aadee3d 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1812,6 +1812,19 @@ SYSCALL_DEFINE1(epoll_create, int, size)
 	return sys_epoll_create1(0);
 }
 
+#ifdef CONFIG_PM_SLEEP
+static inline void ep_take_care_of_epollwakeup(struct epoll_event *epev)
+{
+	if ((epev->events & EPOLLWAKEUP) && !capable(CAP_BLOCK_SUSPEND))
+		epev->events &= ~EPOLLWAKEUP;
+}
+#else
+static inline void ep_take_care_of_epollwakeup(struct epoll_event *epev)
+{
+	epev->events &= ~EPOLLWAKEUP;
+}
+#endif
+
 /*
  * The following function implements the controller interface for
  * the eventpoll file that enables the insertion/removal/change of
diff --git a/include/uapi/linux/eventpoll.h b/include/uapi/linux/eventpoll.h
index bc81fb2..7850373 100644
--- a/include/uapi/linux/eventpoll.h
+++ b/include/uapi/linux/eventpoll.h
@@ -61,16 +61,4 @@ struct epoll_event {
 	__u64 data;
 } EPOLL_PACKED;
 
-#ifdef CONFIG_PM_SLEEP
-static inline void ep_take_care_of_epollwakeup(struct epoll_event *epev)
-{
-	if ((epev->events & EPOLLWAKEUP) && !capable(CAP_BLOCK_SUSPEND))
-		epev->events &= ~EPOLLWAKEUP;
-}
-#else
-static inline void ep_take_care_of_epollwakeup(struct epoll_event *epev)
-{
-	epev->events &= ~EPOLLWAKEUP;
-}
-#endif
 #endif /* _UAPI_LINUX_EVENTPOLL_H */
-- 
2.4.10

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