[RFC,09/11] pipe: Remove redundant wakeup from pipe_write() [ver #3]
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Message ID 157262972442.13142.11480420475866936493.stgit@warthog.procyon.org.uk
State New
Headers show
Series
  • pipe: Notification queue preparation [ver #3]
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Commit Message

David Howells Nov. 1, 2019, 5:35 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(-)

Patch
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diff --git a/fs/pipe.c b/fs/pipe.c
index ce77ac0d8901..d7b8d3f22987 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -517,11 +517,6 @@  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--;