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/io_uring/
A Dregister.c406 unsigned i, tail, old_head; in io_register_resize_rings() local
524 old_head = READ_ONCE(o.rings->sq.head); in io_register_resize_rings()
525 if (tail - old_head > p.sq_entries) in io_register_resize_rings()
527 for (i = old_head; i < tail; i++) { in io_register_resize_rings()
533 WRITE_ONCE(n.rings->sq.head, old_head); in io_register_resize_rings()
537 old_head = READ_ONCE(o.rings->cq.head); in io_register_resize_rings()
538 if (tail - old_head > p.cq_entries) { in io_register_resize_rings()
547 for (i = old_head; i < tail; i++) { in io_register_resize_rings()
553 WRITE_ONCE(n.rings->cq.head, old_head); in io_register_resize_rings()

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