From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 17 Sep 2016 22:57:42 +0000 (-0400)
Subject: splice_to_pipe(): don't open-code wakeup_pipe_readers()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e7c3c6462406a4de7956cfd8383eb0f2fea1bb6b;p=linux-beck.git

splice_to_pipe(): don't open-code wakeup_pipe_readers()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/splice.c b/fs/splice.c
index dd9bf7e410d2..36e9353c1910 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -242,10 +242,7 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
 		}
 
 		if (do_wakeup) {
-			smp_mb();
-			if (waitqueue_active(&pipe->wait))
-				wake_up_interruptible_sync(&pipe->wait);
-			kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
+			wakeup_pipe_readers(pipe);
 			do_wakeup = 0;
 		}