external storage base commit

been squashing reorganizing, and pulling code off to go upstream ahead
of merging the whole branch.

1 files changed, 13 insertions, 0 deletions

diff --git a/items.h b/items.h
index e4c6ecd..bf126d7 100644
--- a/items.h
+++ b/items.h
@@ -80,3 +80,16 @@ void lru_maintainer_pause(void);
 void lru_maintainer_resume(void);
 
 void *lru_bump_buf_create(void);
+
+#ifdef EXTSTORE
+#define STORAGE_delete(e, it) \
+    do { \
+        if (it->it_flags & ITEM_HDR) { \
+            item_hdr *hdr = (item_hdr *)ITEM_data(it); \
+            extstore_delete(e, hdr->page_id, hdr->page_version, \
+                    1, ITEM_ntotal(it)); \
+        } \
+    } while (0)
+#else
+#define STORAGE_delete(...)
+#endif