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Pavel Begunkov authored
msg_ring requests transferring files support auto index selection via IORING_FILE_INDEX_ALLOC, however they don't return the selected index to the target ring and there is no other good way for the userspace to know where is the receieved file. Return the index for allocated slots and 0 otherwise, which is consistent with other fixed file installing requests. Cc: stable@vger.kernel.org # v6.0+ Fixes: e6130eba ("io_uring: add support for passing fixed file descriptors") Signed-off-by:
Pavel Begunkov <asml.silence@gmail.com> Link: https://github.com/axboe/liburing/issues/809Signed-off-by:
Jens Axboe <axboe@kernel.dk>
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