From f9c520fb596c116a5fc37ffb53f63b4f20900fee Mon Sep 17 00:00:00 2001
From: Giuseppe Lo Presti <giuseppe.lopresti@cern.ch>
Date: Thu, 15 Feb 2024 09:15:54 +0100
Subject: [PATCH] Reinstated lock_id and added comments for clarification

---
 cs3/storage/provider/v1beta1/provider_api.proto | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cs3/storage/provider/v1beta1/provider_api.proto b/cs3/storage/provider/v1beta1/provider_api.proto
index ddfd3f8..9d906d5 100644
--- a/cs3/storage/provider/v1beta1/provider_api.proto
+++ b/cs3/storage/provider/v1beta1/provider_api.proto
@@ -370,6 +370,11 @@ message InitiateFileUploadRequest {
     // return CODE_FAILED_PRECONDITION.
     cs3.types.v1beta1.Timestamp if_unmodified_since = 6;
   }
+  // OPTIONAL.
+  // A lock_id: should the reference exist and be locked, the stored
+  // lock_id SHOULD be equal to the given value. Additionally, the
+  // check MUST be enforced by the out-of-band transfer protocol.
+  string lock_id = 5;
 }
 
 message InitiateFileUploadResponse {