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[RFC,09/10] pipe: Remove redundant wakeup from pipe_write() [ver #2]

Message ID 157186190801.3995.3420819228734631242.stgit@warthog.procyon.org.uk (mailing list archive)
State New, archived
Headers show
Series pipe: Notification queue preparation [ver #2] | expand

Commit Message

David Howells Oct. 23, 2019, 8:18 p.m. UTC 
Remove a redundant wakeup from pipe_write().

Signed-off-by: David Howells <dhowells@redhat.com>
---

 fs/pipe.c |    5 -----
 1 file changed, 5 deletions(-)
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Patch

diff --git a/fs/pipe.c b/fs/pipe.c
index 1bfad2212b95..3df93990dd9d 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -516,11 +516,6 @@  pipe_write(struct kiocb *iocb, struct iov_iter *from)
 				ret = -ERESTARTSYS;
 			break;
 		}
-		if (do_wakeup) {
-			wake_up_interruptible_sync_poll(&pipe->wait, EPOLLIN | EPOLLRDNORM);
-			kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
-			do_wakeup = 0;
-		}
 		pipe->waiting_writers++;
 		pipe_wait(pipe);
 		pipe->waiting_writers--;