> io_uring requests don't complete on syscall exit of the task that > submitted them. They complete: > > - inline from io_uring_enter() > - from task_work on any return to userspace > - from io-wq workers and from the SQPOLL thread > > The CQEs are visible to other threads before any syscall returns. So > commit the reserved descriptors before the completion is posted. Commit > them after ->issue() based on the request's result and before every CQE > they post. > > Nothing reachable from io_uring reserves yet. Once SCM_RIGHTS is > converted this keeps IORING_OP_RECVMSG working from io-wq workers and > the SQPOLL thread. > > Signed-off-by: Christian Brauner (Amutable) <[email protected]>
Sashiko has reviewed this patch and found no issues. It looks great! -- Sashiko AI review ยท https://sashiko.dev/#/patchset/20260915-work-fd-reserve-unify-folded-v1-0-4d5217d6b...@kernel.org?part=21
