Archipelago » qemu

    BLKDBG_L2_ALLOC_COW_READ,

    BLKDBG_L2_ALLOC_WRITE,

    BLKDBG_READ_AIO,

    BLKDBG_READ_BACKING_AIO,

    BLKDBG_READ_COMPRESSED,

    [BLKDBG_L2_ALLOC_COW_READ]              = "l2_alloc.cow_read",

    [BLKDBG_L2_ALLOC_WRITE]                 = "l2_alloc.write",

    [BLKDBG_READ_AIO]                       = "read_aio",

    [BLKDBG_READ_BACKING_AIO]               = "read_backing_aio",

    [BLKDBG_READ_COMPRESSED]                = "read_compressed",

    /* If the read straddles the end of the backing file, shorten it */

    size = MIN((uint64_t)backing_length - pos, qiov->size);

    bdrv_aio_readv(s->bs->backing_hd, pos / BDRV_SECTOR_SIZE,

                   qiov, size / BDRV_SECTOR_SIZE, cb, opaque);

}