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io_uring: don't use int for ABI

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JIRA: https://issues.redhat.com/browse/RHEL-140845

commit cf73d9970ea4f8cace5d8f02d2565a2723003112
Author: Pavel Begunkov <asml.silence@gmail.com>
Date:   Wed Jul 2 21:31:54 2025 +0100

    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: 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: Jeff Moyer <jmoyer@redhat.com>
This commit is contained in:
Jeff Moyer
2026-01-16 06:10:53 -05:00
parent 8e6a07d9a2
commit 533f991618
1 changed files with 1 additions and 1 deletions
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include/uapi/linux/io_uring.h
+1 -1
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@@ -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 */