44 static void xen_vbd_free(struct xen_vbd *vbd);
90 	if (!blkif->irq || !blkif->vbd.bdev)  in xen_update_blkif_status()
108 	err = filemap_write_and_wait(blkif->vbd.bdev->bd_inode->i_mapping);  in xen_update_blkif_status()
113 	invalidate_inode_pages2(blkif->vbd.bdev->bd_inode->i_mapping);  in xen_update_blkif_status()
291 	xen_vbd_free(&blkif->vbd);  in xen_blkif_free()
406 static void xen_vbd_free(struct xen_vbd *vbd)  in xen_vbd_free()  argument
408 	if (vbd->bdev)  in xen_vbd_free()
409 		blkdev_put(vbd->bdev, vbd->readonly ? FMODE_READ : FMODE_WRITE);  in xen_vbd_free()
410 	vbd->bdev = NULL;  in xen_vbd_free()
417 	struct xen_vbd *vbd;  in xen_vbd_create()  local
421 	vbd = &blkif->vbd;  in xen_vbd_create()
422 	vbd->handle   = handle;  in xen_vbd_create()
423 	vbd->readonly = readonly;  in xen_vbd_create()
424 	vbd->type     = 0;  in xen_vbd_create()
426 	vbd->pdevice  = MKDEV(major, minor);  in xen_vbd_create()
428 	bdev = blkdev_get_by_dev(vbd->pdevice, vbd->readonly ?  in xen_vbd_create()
433 			vbd->pdevice);  in xen_vbd_create()
437 	vbd->bdev = bdev;  in xen_vbd_create()
438 	if (vbd->bdev->bd_disk == NULL) {  in xen_vbd_create()
440 			vbd->pdevice);  in xen_vbd_create()
441 		xen_vbd_free(vbd);  in xen_vbd_create()
444 	vbd->size = vbd_sz(vbd);  in xen_vbd_create()
446 	if (vbd->bdev->bd_disk->flags & GENHD_FL_CD || cdrom)  in xen_vbd_create()
447 		vbd->type |= VDISK_CDROM;  in xen_vbd_create()
448 	if (vbd->bdev->bd_disk->flags & GENHD_FL_REMOVABLE)  in xen_vbd_create()
449 		vbd->type |= VDISK_REMOVABLE;  in xen_vbd_create()
453 		vbd->flush_support = true;  in xen_vbd_create()
456 		vbd->discard_secure = true;  in xen_vbd_create()
509 	struct block_device *bdev = be->blkif->vbd.bdev;  in xen_blkbk_discard()
536 				    blkif->vbd.discard_secure);  in xen_blkbk_discard()
685 			xen_vbd_free(&be->blkif->vbd);  in backend_changed()
794 	xen_blkbk_flush_diskcache(xbt, be, be->blkif->vbd.flush_support);  in connect()
798 	xen_blkbk_barrier(xbt, be, be->blkif->vbd.flush_support);  in connect()
813 			    (unsigned long long)vbd_sz(&be->blkif->vbd));  in connect()
822 			    be->blkif->vbd.type |  in connect()
823 			    (be->blkif->vbd.readonly ? VDISK_READONLY : 0));  in connect()
831 			    bdev_logical_block_size(be->blkif->vbd.bdev));  in connect()
838 			    bdev_physical_block_size(be->blkif->vbd.bdev));  in connect()
901 	be->blkif->vbd.feature_gnt_persistent = pers_grants;  in connect_ring()
902 	be->blkif->vbd.overflow_max_grants = 0;  in connect_ring()