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authorPavel Begunkov <asml.silence@gmail.com>2025-07-02 21:31:54 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-20 18:30:11 +0200
commitecc39c79d913e52693da5db950081d7cd876e644 (patch)
tree803854fc418312411c0e89965709a0c00fdb48ec
parent880e4ff5d6c8dc6b660f163a0e9b68b898cc6310 (diff)
io_uring: don't use int for ABI
commit cf73d9970ea4f8cace5d8f02d2565a2723003112 upstream. __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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--include/uapi/linux/io_uring.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 1fe79e750470..33cbe3a4ed3e 100644
--- 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 */