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io_uring fused command - Coggle Diagram
io_uring fused command
features
more generic
multiple plugins
provide buffer is just one plugin
multiple secondary reqs
link problem*
solutions
fused own submission
complicated
borrow io_uring's
how to notify driver about the completion
primary can't be completed until all secondary are done
link may be set for primary request
skip cqe & delay completion
but driver can't be notified
1 more item...
simplification
not bind with SQE128
return result via each SQE's CQE
feature
policy
support generic fused request first
then support provide buffer plugin
use generic provide buffer flag
support single secondary first
then extend to multiple secondary