36 static void xen_vbd_free(struct xen_vbd *vbd);
84 	if (!blkif->rings || !blkif->rings[0].irq || !blkif->vbd.bdev)  in xen_update_blkif_status()
102 	err = filemap_write_and_wait(blkif->vbd.bdev->bd_inode->i_mapping);  in xen_update_blkif_status()
107 	invalidate_inode_pages2(blkif->vbd.bdev->bd_inode->i_mapping);  in xen_update_blkif_status()
348 	xen_vbd_free(&blkif->vbd);  in xen_blkif_free()
473 static void xen_vbd_free(struct xen_vbd *vbd)  in xen_vbd_free()  argument
475 	if (vbd->bdev)  in xen_vbd_free()
476 		blkdev_put(vbd->bdev, vbd->readonly ? FMODE_READ : FMODE_WRITE);  in xen_vbd_free()
477 	vbd->bdev = NULL;  in xen_vbd_free()
484 	struct xen_vbd *vbd;  in xen_vbd_create()  local
488 	vbd = &blkif->vbd;  in xen_vbd_create()
489 	vbd->handle   = handle;  in xen_vbd_create()
490 	vbd->readonly = readonly;  in xen_vbd_create()
491 	vbd->type     = 0;  in xen_vbd_create()
493 	vbd->pdevice  = MKDEV(major, minor);  in xen_vbd_create()
495 	bdev = blkdev_get_by_dev(vbd->pdevice, vbd->readonly ?  in xen_vbd_create()
500 			vbd->pdevice);  in xen_vbd_create()
504 	vbd->bdev = bdev;  in xen_vbd_create()
505 	if (vbd->bdev->bd_disk == NULL) {  in xen_vbd_create()
507 			vbd->pdevice);  in xen_vbd_create()
508 		xen_vbd_free(vbd);  in xen_vbd_create()
511 	vbd->size = vbd_sz(vbd);  in xen_vbd_create()
513 	if (vbd->bdev->bd_disk->flags & GENHD_FL_CD || cdrom)  in xen_vbd_create()
514 		vbd->type |= VDISK_CDROM;  in xen_vbd_create()
515 	if (vbd->bdev->bd_disk->flags & GENHD_FL_REMOVABLE)  in xen_vbd_create()
516 		vbd->type |= VDISK_REMOVABLE;  in xen_vbd_create()
520 		vbd->flush_support = true;  in xen_vbd_create()
523 		vbd->discard_secure = true;  in xen_vbd_create()
577 	struct block_device *bdev = be->blkif->vbd.bdev;  in xen_blkbk_discard()
602 				    blkif->vbd.discard_secure);  in xen_blkbk_discard()
774 			xen_vbd_free(&be->blkif->vbd);  in backend_changed()
907 	xen_blkbk_flush_diskcache(xbt, be, be->blkif->vbd.flush_support);  in connect()
911 	xen_blkbk_barrier(xbt, be, be->blkif->vbd.flush_support);  in connect()
914 			be->blkif->vbd.feature_gnt_persistent_parm);  in connect()
922 			    (unsigned long long)vbd_sz(&be->blkif->vbd));  in connect()
931 			    be->blkif->vbd.type |  in connect()
932 			    (be->blkif->vbd.readonly ? VDISK_READONLY : 0));  in connect()
940 			    bdev_logical_block_size(be->blkif->vbd.bdev));  in connect()
947 			    bdev_physical_block_size(be->blkif->vbd.bdev));  in connect()
1092 	blkif->vbd.feature_gnt_persistent_parm = feature_persistent;  in connect_ring()
1093 	blkif->vbd.feature_gnt_persistent =  in connect_ring()
1094 		blkif->vbd.feature_gnt_persistent_parm &&  in connect_ring()
1097 	blkif->vbd.overflow_max_grants = 0;  in connect_ring()
1119 		 blkif->vbd.feature_gnt_persistent ? "persistent grants" : "");  in connect_ring()