Begin to implement stabilize as a batch operation

2019-11-11 16:30:47 +03:00
parent d2d8d6e7fb
commit 1f04db7d68
3 changed files with 115 additions and 70 deletions
@@ -195,11 +195,16 @@ public:
 struct blockstore_operation
 {
    std::function<void (blockstore_operation*)> callback;
+    // flags contain operation type and possibly other flags
    uint32_t flags;
+    // For reads, writes & deletes: oid is the requested object
    object_id oid;
    // For reads: version=0 -> last stable, version=UINT64_MAX -> last unstable, version=X -> specific version
+    // For writes & deletes: a new version is assigned automatically
    uint64_t version;
+    // For reads & writes: offset & len are the requested part of the object, buf is the buffer
    uint32_t offset;
+    // For stabilize requests: buf contains <len> obj_ver_id's to stabilize
    uint32_t len;
    uint8_t *buf;
    int retval;