87  * How long a persistent grant is allowed to remain allocated without being in
95 		 "Time in seconds an unused persistent grant is allowed to "
159  * We don't need locking around the persistent grant helpers
165  * bit operations to modify the flags of a persistent grant and to count
221 				pr_alert_ratelimited("requesting a grant already in use\n");  in get_persistent_gnt()
236 		pr_alert_ratelimited("freeing a grant already unused\n");  in put_persistent_gnt()
638 	/* Free all persistent grant pages */  in xen_blkbk_free_caches()
725  * Unmap the grant references.
776 	 * corresponding grant reference for each page.  in xen_blkbk_map()
791 			 * the grant is already mapped  in xen_blkbk_map()
829 			/* This is a newly mapped grant */  in xen_blkbk_map()
846 			 * We are using persistent grants, the grant is  in xen_blkbk_map()
855 				 * map this grant non-persistenly  in xen_blkbk_map()
869 			pr_debug("grant %u added to the tree of persistent grants, using %u/%u\n",  in xen_blkbk_map()
880 		 * We could not map this grant persistently, so use it as  in xen_blkbk_map()
881 		 * a non-persistent grant.  in xen_blkbk_map()
1059 	 * the grant references associated with 'request' and provide  in __end_block_io_op()
1183  * (which has the sectors we want, number of them, grant references, etc),
1414 	 * set gnttab_set_unmap_op on all of the grant references and perform  in dispatch_rw_block_io()