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2012 Aug 16
0
[RFC v1 5/5] VBD: enlarge max segment per request in blkfront
...nr_segments; /* number of segments */
+ blkif_vdev_t handle; /* only for read/write requests */
+ uint64_t id; /* private guest value, echoed in resp */
+ blkif_sector_t sector_number;/* start sector idx on disk (r/w only) */
+ uint64_t seg_id;/* segment offset in the segment ring */
+} __attribute__((__packed__));
+
+struct blkif_x86_32_request_v2 {
+ uint8_t operation; /* BLKIF_OP_??? */
+ union {
+ struct blkif_x86_32_request_rw_v2 rw;
+ struct blkif_x86_32_request_discard discard;
+ } u;
+} __att...