[PATCH 1/4] io_uring: add IO_URING_F_INLINE issue flag

[Jens Axboe <axboe@kernel.dk>]

Set when the execution of the request is done inline from the system
call itself. Any deferred issue will never have this flag set.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 include/linux/io_uring_types.h | 2 ++
 io_uring/io_uring.c            | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h
index 2922635986f5..054c43c02c96 100644
--- a/include/linux/io_uring_types.h
+++ b/include/linux/io_uring_types.h
@@ -26,6 +26,8 @@ enum io_uring_cmd_flags {
 	IO_URING_F_MULTISHOT		= 4,
 	/* executed by io-wq */
 	IO_URING_F_IOWQ			= 8,
+	/* executed inline from syscall */
+	IO_URING_F_INLINE		= 16,
 	/* int's last bit, sign checks are usually faster than a bit test */
 	IO_URING_F_NONBLOCK		= INT_MIN,
 
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index cf759c172083..079a95e1bd82 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -1962,7 +1962,8 @@ static inline void io_queue_sqe(struct io_kiocb *req)
 {
 	int ret;
 
-	ret = io_issue_sqe(req, IO_URING_F_NONBLOCK|IO_URING_F_COMPLETE_DEFER);
+	ret = io_issue_sqe(req, IO_URING_F_NONBLOCK|IO_URING_F_COMPLETE_DEFER|
+				IO_URING_F_INLINE);
 
 	/*
 	 * We async punt it if the file wasn't marked NOWAIT, or if the file
-- 
2.49.0