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The compression paths have no supported user or RPC controls, and clients cannot discover whether CRIU was built with LZ4. Expose per-page and region compression, LZ4 acceleration, and worker concurrency for LZ4 decoding and eligible large zero fills through the CLI, configuration files, RPC, and libcriu. Add compression to the feature-check API and document each interface. Define --decompress-threads=0 as automatic worker concurrency and one as the serial default with zero-fill workers disabled. Values above one bound aggregate worker concurrency. Automatic mode derives a useful width from CPU affinity and the work in each batch. Reduce explicit requests above the available CPU count with a warning. Document the independent two-slot encoded-input budget. A local restore overlaps its next read only when it can reserve the second slot without waiting; otherwise it keeps synchronous I/O. Use the compression mode as the source of truth and validate every related value. An explicit RPC OFF clears ambient compression settings and rejects conflicting fields. Reject combinations unsupported by page server, stream, TLS, and image-format paths, and cover option and RPC precedence in the tests. Assisted-by: Codex:GPT-5 Assisted-by: Claude:claude-fable-5 Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org> |
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| .. | ||
| criu.c | ||
| criu.h | ||
| criu.pc.in | ||
| Makefile | ||