diff mbox series

[3/3] pipe: set FMODE_NOWAIT on pipes

Message ID 20230308031033.155717-4-axboe@kernel.dk (mailing list archive)
State New
Headers show
Series Add FMODE_NOWAIT support to pipes | expand

Commit Message

Jens Axboe March 8, 2023, 3:10 a.m. UTC 
The read/write path is now prepared to deal with IOCB_NOWAIT, hence
enable support for that via setting FMODE_NOWAIT on new pipes.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 fs/pipe.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Christian Brauner March 14, 2023, 9:26 a.m. UTC | #1 
On Tue, Mar 07, 2023 at 08:10:33PM -0700, Jens Axboe wrote:
> The read/write path is now prepared to deal with IOCB_NOWAIT, hence
> enable support for that via setting FMODE_NOWAIT on new pipes.
> 
> Signed-off-by: Jens Axboe <axboe@kernel.dk>
> ---

Looks good,
Reviewed-by: Christian Brauner <brauner@kernel.org>
diff mbox series

Patch

diff --git a/fs/pipe.c b/fs/pipe.c
index 10366a6cb5b6..9db274f9baa5 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -994,6 +994,9 @@  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: