This adds support for doing madvise(2) through io_uring. We assume that any operation can block, and hence punt everything async. This could be improved, but hard to make bullet proof. The async punt ensures it's safe.
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| @@ -88,6 +88,7 @@ enum { · 87 unmodified lines | ||
| 88 | 88 | IORING_OP_READ, |
| 89 | 89 | IORING_OP_WRITE, |
| 90 | 90 | IORING_OP_FADVISE, |
| 91 | + IORING_OP_MADVISE, | |
| 91 | 92 | |
| 92 | 93 | /* this goes last, obviously */ |
| 93 | 94 | IORING_OP_LAST, |