45 static void xen_vbd_free(struct xen_vbd *vbd);
91 	if (!blkif->irq || !blkif->vbd.bdev)  in xen_update_blkif_status()
109 	err = filemap_write_and_wait(blkif->vbd.bdev->bd_inode->i_mapping);  in xen_update_blkif_status()
114 	invalidate_inode_pages2(blkif->vbd.bdev->bd_inode->i_mapping);  in xen_update_blkif_status()
271 	xen_vbd_free(&blkif->vbd);  in xen_blkif_free()
370 static void xen_vbd_free(struct xen_vbd *vbd)  in xen_vbd_free()  argument
372 	if (vbd->bdev)  in xen_vbd_free()
373 		blkdev_put(vbd->bdev, vbd->readonly ? FMODE_READ : FMODE_WRITE);  in xen_vbd_free()
374 	vbd->bdev = NULL;  in xen_vbd_free()
381 	struct xen_vbd *vbd;  in xen_vbd_create()  local
385 	vbd = &blkif->vbd;  in xen_vbd_create()
386 	vbd->handle   = handle;  in xen_vbd_create()
387 	vbd->readonly = readonly;  in xen_vbd_create()
388 	vbd->type     = 0;  in xen_vbd_create()
390 	vbd->pdevice  = MKDEV(major, minor);  in xen_vbd_create()
392 	bdev = blkdev_get_by_dev(vbd->pdevice, vbd->readonly ?  in xen_vbd_create()
397 			vbd->pdevice);  in xen_vbd_create()
401 	vbd->bdev = bdev;  in xen_vbd_create()
402 	if (vbd->bdev->bd_disk == NULL) {  in xen_vbd_create()
404 			vbd->pdevice);  in xen_vbd_create()
405 		xen_vbd_free(vbd);  in xen_vbd_create()
408 	vbd->size = vbd_sz(vbd);  in xen_vbd_create()
410 	if (vbd->bdev->bd_disk->flags & GENHD_FL_CD || cdrom)  in xen_vbd_create()
411 		vbd->type |= VDISK_CDROM;  in xen_vbd_create()
412 	if (vbd->bdev->bd_disk->flags & GENHD_FL_REMOVABLE)  in xen_vbd_create()
413 		vbd->type |= VDISK_REMOVABLE;  in xen_vbd_create()
417 		vbd->flush_support = true;  in xen_vbd_create()
420 		vbd->discard_secure = true;  in xen_vbd_create()
473 	struct block_device *bdev = be->blkif->vbd.bdev;  in xen_blkbk_discard()
500 				    blkif->vbd.discard_secure);  in xen_blkbk_discard()
654 			xen_vbd_free(&be->blkif->vbd);  in backend_changed()
763 	xen_blkbk_flush_diskcache(xbt, be, be->blkif->vbd.flush_support);  in connect()
767 	xen_blkbk_barrier(xbt, be, be->blkif->vbd.flush_support);  in connect()
782 			    (unsigned long long)vbd_sz(&be->blkif->vbd));  in connect()
791 			    be->blkif->vbd.type |  in connect()
792 			    (be->blkif->vbd.readonly ? VDISK_READONLY : 0));  in connect()
800 			    bdev_logical_block_size(be->blkif->vbd.bdev));  in connect()
807 			    bdev_physical_block_size(be->blkif->vbd.bdev));  in connect()
914 	be->blkif->vbd.feature_gnt_persistent = pers_grants;  in connect_ring()
915 	be->blkif->vbd.overflow_max_grants = 0;  in connect_ring()