gnttab_unmap_data 754 drivers/block/xen-blkback/blkback.c struct gntab_unmap_queue_data* work = &req->gnttab_unmap_data; gnttab_unmap_data 769 drivers/block/xen-blkback/blkback.c gnttab_unmap_refs_async(&req->gnttab_unmap_data); gnttab_unmap_data 357 drivers/block/xen-blkback/common.h struct gntab_unmap_queue_data gnttab_unmap_data;