Allow zero-length overwrites

2019-12-21 19:04:36 +03:00
parent 4de5290619
commit 4677ace4cc
4 changed files with 50 additions and 12 deletions
@@ -3,6 +3,11 @@
 int blockstore_impl_t::fulfill_read_push(blockstore_op_t *op, void *buf, uint64_t offset, uint64_t len,
    uint32_t item_state, uint64_t item_version)
 {
+    if (!len)
+    {
+        // Zero-length version - skip
+        return 1;
+    }
    if (IS_IN_FLIGHT(item_state))
    {
        // Pause until it's written somewhere