355 	unsigned int num_clean, total;  in purge_persistent_gnt()  local
370 	num_clean = (xen_blkif_max_pgrants / 100) * LRU_PERCENT_CLEAN;  in purge_persistent_gnt()
371 	num_clean = blkif->persistent_gnt_c - xen_blkif_max_pgrants + num_clean;  in purge_persistent_gnt()
372 	num_clean = min(blkif->persistent_gnt_c, num_clean);  in purge_persistent_gnt()
373 	if ((num_clean == 0) ||  in purge_persistent_gnt()
374 	    (num_clean > (blkif->persistent_gnt_c - atomic_read(&blkif->persistent_gnt_in_use))))  in purge_persistent_gnt()
386 	total = num_clean;  in purge_persistent_gnt()
388 	pr_debug("Going to purge %u persistent grants\n", num_clean);  in purge_persistent_gnt()
411 		if (--num_clean == 0)  in purge_persistent_gnt()
420 		pr_debug("Still missing %u purged frames\n", num_clean);  in purge_persistent_gnt()
431 	blkif->persistent_gnt_c -= (total - num_clean);  in purge_persistent_gnt()
436 	pr_debug("Purged %u/%u\n", (total - num_clean), total);  in purge_persistent_gnt()