From ec30adeb289d9054efae4e285b269438ce63fe03 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Tue, 7 Mar 2023 17:56:28 -0700 Subject: [PATCH] pipe: set FMODE_NOWAIT on pipes The read/write path is now prepared to deal with IOCB_NOWAIT, hence enable support for that via setting FMODE_NOWAIT on new pipes. Acked-by: Dave Chinner Reviewed-by: Christian Brauner Signed-off-by: Jens Axboe --- fs/pipe.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/pipe.c b/fs/pipe.c index dc00b20e56c8..b7e380952fca 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -999,6 +999,9 @@ static int __do_pipe_flags(int *fd, struct file **files, int flags) audit_fd_pair(fdr, fdw); fd[0] = fdr; fd[1] = fdw; + /* pipe groks IOCB_NOWAIT */ + files[0]->f_mode |= FMODE_NOWAIT; + files[1]->f_mode |= FMODE_NOWAIT; return 0; err_fdr: -- 2.25.1