From: Josh Durgin <josh.durgin@inktank.com>
Date: Sun, 31 Mar 2013 00:28:35 +0000 (-0700)
Subject: librbd: return -ENOENT from diff_iterate when the snap doesn't exist
X-Git-Tag: v0.62~118^2~7
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=33d1a2fc8809cc8aec42cd4c5330c9a27f0f32f8;p=ceph.git

librbd: return -ENOENT from diff_iterate when the snap doesn't exist

This is a bit more helpful than -EINVAL.

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
---

diff --git a/src/librbd/internal.cc b/src/librbd/internal.cc
index 49573966f8b..939a485587b 100644
--- a/src/librbd/internal.cc
+++ b/src/librbd/internal.cc
@@ -2315,7 +2315,7 @@ reprotect_and_return_err:
     ictx->snap_lock.put_read();
     ictx->md_lock.put_read();
     if (from_snap_id == CEPH_NOSNAP) {
-      return -EINVAL;
+      return -ENOENT;
     }
     if (from_snap_id == end_snap_id) {
       // no diff.