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    SubjectRe: [PATCH 1/2] iov: introduce ITER_BVEC_FLAG_FIXED
    On Wed, Dec 09, 2020 at 01:37:05PM +0000, Pavel Begunkov wrote:
    > Yeah, I had troubles to put comments around, and it's still open.
    >
    > For current cases it can be bound to kiocb, e.g. "if an bvec iter passed
    > "together" with kiocb then the vector should stay intact up to
    > ->ki_complete()". But that "together" is rather full of holes.

    What about: "For bvec based iters the bvec must not be freed until the
    I/O has completed. For asynchronous I/O that means it must be freed
    no earlier than from ->ki_complete."

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