Revert "xen/blkfront: When purging persistent grants, keep them in the buffer" (15c20688) · Commits · 戴 / test

drivers/block/xen-blkfront.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -2667,9 +2667,11 @@ static void purge_persistent_grants(struct blkfront_info *info)
		gnttab_query_foreign_access(gnt_list_entry->gref))
		continue;

		list_del(&gnt_list_entry->node);
		gnttab_end_foreign_access(gnt_list_entry->gref, 0, 0UL);
		gnt_list_entry->gref = GRANT_INVALID_REF;
		rinfo->persistent_gnts_c--;
		__free_page(gnt_list_entry->page);
		kfree(gnt_list_entry);
		}

		spin_unlock_irqrestore(&rinfo->ring_lock, flags);