From 3c0edea9b29f9be6c093f236f762202b30ac9431 Mon Sep 17 00:00:00 2001 From: David Howells Date: Fri, 1 Nov 2019 20:52:24 +0000 Subject: [PATCH] pipe: Remove sync on wake_ups --- fs/pipe.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/pipe.c b/fs/pipe.c index 9cd5cbef9552..c5e3765465f0 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -332,7 +332,7 @@ pipe_read(struct kiocb *iocb, struct iov_iter *to) do_wakeup = 1; wake = head - (tail - 1) == pipe->max_usage / 2; if (wake) - wake_up_interruptible_sync_poll_locked( + wake_up_locked_poll( &pipe->wait, EPOLLOUT | EPOLLWRNORM); spin_unlock_irq(&pipe->wait.lock); if (wake) @@ -371,7 +371,7 @@ pipe_read(struct kiocb *iocb, struct iov_iter *to) /* Signal writers asynchronously that there is more room. */ if (do_wakeup) { - wake_up_interruptible_sync_poll(&pipe->wait, EPOLLOUT | EPOLLWRNORM); + wake_up_interruptible_poll(&pipe->wait, EPOLLOUT | EPOLLWRNORM); kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT); } if (ret > 0) @@ -477,7 +477,7 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from) * syscall merging. * FIXME! Is this really true? */ - wake_up_interruptible_sync_poll_locked( + wake_up_locked_poll( &pipe->wait, EPOLLIN | EPOLLRDNORM); spin_unlock_irq(&pipe->wait.lock); @@ -531,7 +531,7 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from) out: __pipe_unlock(pipe); if (do_wakeup) { - wake_up_interruptible_sync_poll(&pipe->wait, EPOLLIN | EPOLLRDNORM); + wake_up_interruptible_poll(&pipe->wait, EPOLLIN | EPOLLRDNORM); kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN); } if (ret > 0 && sb_start_write_trylock(file_inode(filp)->i_sb)) {