From fe34db062b8036f72e97c2b9eaa7e9fbb725ead2 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Tue, 9 May 2023 09:19:08 -0600 Subject: net: set FMODE_NOWAIT for sockets The socket read/write functions deal with O_NONBLOCK and IOCB_NOWAIT just fine, so we can flag them as being FMODE_NOWAIT compliant. With this, we can remove socket special casing in io_uring when checking if a file type is sane for nonblocking IO, and it's also the defined way to flag file types as such in the kernel. Cc: "David S. Miller" Cc: Eric Dumazet Cc: Jakub Kicinski Cc: netdev@vger.kernel.org Reviewed-by: Paolo Abeni Link: https://lore.kernel.org/r/20230509151910.183637-2-axboe@kernel.dk Signed-off-by: Jens Axboe --- net/socket.c | 1 + 1 file changed, 1 insertion(+) (limited to 'net/socket.c') diff --git a/net/socket.c b/net/socket.c index b7e01d0fe082..0c7fda1e5e8d 100644 --- a/net/socket.c +++ b/net/socket.c @@ -471,6 +471,7 @@ struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname) return file; } + file->f_mode |= FMODE_NOWAIT; sock->file = file; file->private_data = sock; stream_open(SOCK_INODE(sock), file); -- cgit v1.2.3