[PATCH 6/6] io_uring: allow NOP opcode in IOPOLL mode
From: Dylan Yudaken
Date: Thu Apr 21 2022 - 05:17:26 EST
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@xxxxxx>
---
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, unsigned int issue_flags)
*/
static int io_nop(struct io_kiocb *req, unsigned int issue_flags)
{
- struct io_ring_ctx *ctx = req->ctx;
-
- if (unlikely(ctx->flags & IORING_SETUP_IOPOLL))
- return -EINVAL;
-
__io_req_complete(req, issue_flags, 0, 0);
return 0;
}
--
2.30.2