waiting_reqs 581 drivers/block/xen-blkback/blkback.c ring->waiting_reqs = 1; waiting_reqs 630 drivers/block/xen-blkback/blkback.c ring->waiting_reqs || kthread_should_stop(), waiting_reqs 642 drivers/block/xen-blkback/blkback.c ring->waiting_reqs = 0; waiting_reqs 647 drivers/block/xen-blkback/blkback.c ring->waiting_reqs = 1; waiting_reqs 263 drivers/block/xen-blkback/common.h unsigned int waiting_reqs;