Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19;
From:   Dylan Yudaken <dylany@fb.com>
To:     <io-uring@vger.kernel.org>
CC:     <axboe@kernel.dk>, <asml.silence@gmail.com>,
        <linux-kernel@vger.kernel.org>, <kernel-team@fb.com>,
        Dylan Yudaken <dylany@fb.com>
Subject: [PATCH 6/6] io_uring: allow NOP opcode in IOPOLL mode
Date:   Thu, 21 Apr 2022 02:13:45 -0700
Message-ID: <20220421091345.2115755-7-dylany@fb.com>
In-Reply-To: <20220421091345.2115755-1-dylany@fb.com>
References: <20220421091345.2115755-1-dylany@fb.com>
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain
Precedence: bulk

This is useful for tests so that IOPOLL can be tested without requiring
files. NOP is acceptable in IOPOLL as it always completes immediately.

Signed-off-by: Dylan Yudaken <dylany@fb.com>
---
 fs/io_uring.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index e46dc67c917c..a4e42ba708b4 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -4526,11 +4526,6 @@ static int io_splice(struct io_kiocb *req, unsigne=
d int issue_flags)
  */
 static int io_nop(struct io_kiocb *req, unsigned int issue_flags)
 {
-	struct io_ring_ctx *ctx =3D req->ctx;
-
-	if (unlikely(ctx->flags & IORING_SETUP_IOPOLL))
-		return -EINVAL;
-
 	__io_req_complete(req, issue_flags, 0, 0);
 	return 0;
 }
--=20
2.30.2