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

Al Viro · PixelBoot · commit bb945a10d2a6 · 2024-09-06T00:24:50.000+02:00
Change-Id: Iefc4f4cb702b673142bdb19875650833ab4daf79
Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
diff --git a/fs/splice.c b/fs/splice.c
@@ -243,10 +243,7 @@ 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;
 		}
 

Original file line number	Diff line number	Diff line change
`@@ -243,10 +243,7 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,`
`243`	`243`	`}`
`244`	`244`
`245`	`245`	`if (do_wakeup) {`
`246`		`- smp_mb();`
`247`		`- if (waitqueue_active(&pipe->wait))`
`248`		`- wake_up_interruptible_sync(&pipe->wait);`
`249`		`- kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);`
	`246`	`+ wakeup_pipe_readers(pipe);`
`250`	`247`	`do_wakeup = 0;`
`251`	`248`	`}`
`252`	`249`