io_uring: don't use int for ABI

__kernel_rwf_t is defined as int, the actual size of which is
implementation defined. It won't go well if some compiler / archs
ever defines it as i64, so replace it with __u32, hoping that
there is no one using i16 for it.

Cc: stable@vger.kernel.org
Fixes: 2b188cc1bb857 ("Add io_uring IO interface")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/47c666c4ee1df2018863af3a2028af18feef11ed.1751412511.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index b6be063693c8aad060bd564f5720ba559f557a97..b8a0e70ee2fd750f824e835c3420141478f50315 100644 (file)
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -50,7 +50,7 @@ struct io_uring_sqe {
        };
        __u32   len;            /* buffer size or number of iovecs */
        union {
-               __kernel_rwf_t  rw_flags;
+               __u32           rw_flags;
                __u32           fsync_flags;
                __u16           poll_events;    /* compatibility */
                __u32           poll32_events;  /* word-reversed for BE */