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Question: preadv/pwritev returns ssize_t (8), which is greater then io_uring_cqe::res (__s32, 4) #6

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CarterLi opened this issue Sep 20, 2019 · 2 comments
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Question: preadv/pwritev returns ssize_t (8), which is greater then io_uring_cqe::res (__s32, 4) #6

CarterLi opened this issue Sep 20, 2019 · 2 comments

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@CarterLi
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Is it problematic? Will it result in type narrowing?
@CarterLi CarterLi changed the title Question: preadv/pwritev returns ssize_t (8), which is greater then io_uring_cqe::res (4) Question: preadv/pwritev returns ssize_t (8), which is greater then io_uring_cqe::res (__s32, 4) Sep 20, 2019
@axboe
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axboe commented Sep 20, 2019

IO operations are clamped at 2G in Linux, always have been. So the smaller type isn't an issue.

@CarterLi
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I see. Thanks for your reply.

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@axboe @CarterLi