Merge pull request #5214: RGW Swift API: support for 202 Accepted res…

…ponse code on container creation

Reviewed-by: Loic Dachary <ldachary@redhat.com>

src/rgw/rgw_op.cc

@@ -1399,10 +1399,11 @@ void RGWCreateBucket::execute()
     /* bucket already existed, might have raced with another bucket creation, or
      * might be partial bucket creation that never completed. Read existing bucket
      * info, verify that the reported bucket owner is the current user.
-     * If all is ok then update the user's list of buckets
+     * If all is ok then update the user's list of buckets.
+     * Otherwise inform client about a name conflict.
      */
     if (info.owner.compare(s->user.user_id) != 0) {
-      ret = -ERR_BUCKET_EXISTS;
+      ret = -EEXIST;
       return;
     }
     s->bucket = info.bucket;
@@ -1414,10 +1415,9 @@ void RGWCreateBucket::execute()
     if (ret < 0) {
       ldout(s->cct, 0) << "WARNING: failed to unlink bucket: ret=" << ret << dendl;
     }
-  }
-
-  if (ret == -EEXIST)
+  } else if (ret == -EEXIST || (ret == 0 && existed)) {
     ret = -ERR_BUCKET_EXISTS;
+  }
 }
 
 int RGWDeleteBucket::verify_permission()