Please enable JavaScript.

Coggle requires JavaScript to display documents.

io_uring generic splice - Coggle Diagram

- - - - transfer page ownership from current vm to io_uring
      - how does io_uring transfer back the page ownership
    - - linus doesn't agree page write here
      - one corner case is that multiple syscall may write to page concurrently
        
        data corruption?
      - how to transfer back the page ownership to userspace
- - - - how to maintain SQE order
      - fork new sqe/req and exec current context for the new sqe/req
      - command is completed until the child OP is done, same user_data is shared
    - - when the 2nd OP is done, need to complete 1st OP
      - the two shares ->cqe_data
  - - - buffer is kernel internal pages