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io_uring: don't use int for ABI

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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: 2b188cc1bb ("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>
This commit is contained in:
Pavel Begunkov 2025-07-02 21:31:54 +01:00 • committed by Greg Kroah-Hartman
commit 6d96e0c7cf
1 changed files with 1 additions and 1 deletions
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2
include/uapi/linux/io_uring.h
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@ -23,7 +23,7 @@ struct io_uring_sqe {
__u64 addr; /* pointer to buffer or iovecs */
__u32 len; /* buffer size or number of iovecs */
union {
__kernel_rwf_t rw_flags;
__u32 rw_flags;
__u32 fsync_flags;
__u16 poll_events;
__u32 sync_range_flags;