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charset="utf-8" Document for users that FUSE's multi-threading implementation distributes requests in a round-robin manner, regardless of where they originate from. As noted by Stefan, this will probably change with a FUSE-over-io_uring implementation (which is supposed to have CPU affinity), but documenting that is left for once that is done. Suggested-by: Stefan Hajnoczi Acked-by: Markus Armbruster Signed-off-by: Hanna Czenczek --- qapi/block-export.json | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/qapi/block-export.json b/qapi/block-export.json index 160cd2e3ca..dd724acf1c 100644 --- a/qapi/block-export.json +++ b/qapi/block-export.json @@ -164,6 +164,11 @@ # Options for exporting a block graph node on some (file) mountpoint # as a raw image. # +# Multi-threading note: The FUSE export supports multi-threading. +# Currently, requests are distributed across these threads in a +# round-robin fashion, i.e. independently of the CPU core from which a +# request originates. +# # @mountpoint: Path on which to export the block device via FUSE. # This must point to an existing regular file. # --=20 2.53.0