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[libvirt] [PATCH v2 2/2] storage: RBD: do not return error when deleting non-existent volume



RBD API returns negative value of errno, in that case we can silently
ignore if RBD tries to delete a non-existent volume, just like FS
backend does.
---
 src/storage/storage_backend_rbd.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/storage/storage_backend_rbd.c b/src/storage/storage_backend_rbd.c
index ae4bcb3..8e8d7a7 100644
--- a/src/storage/storage_backend_rbd.c
+++ b/src/storage/storage_backend_rbd.c
@@ -1,7 +1,7 @@
 /*
  * storage_backend_rbd.c: storage backend for RBD (RADOS Block Device) handling
  *
- * Copyright (C) 2013-2014 Red Hat, Inc.
+ * Copyright (C) 2013-2015 Red Hat, Inc.
  * Copyright (C) 2012 Wido den Hollander
  *
  * This library is free software; you can redistribute it and/or
@@ -426,7 +426,7 @@ static int virStorageBackendRBDDeleteVol(virConnectPtr conn,
     VIR_DEBUG("Removing RBD image %s/%s", pool->def->source.name, vol->name);
 
     if (flags & VIR_STORAGE_VOL_DELETE_ZEROED)
-        VIR_WARN("%s", _("This storage backend does not supported zeroed removal of volumes"));
+        VIR_WARN("%s", _("This storage backend does not support zeroed removal of volumes"));
 
     if (virStorageBackendRBDOpenRADOSConn(&ptr, conn, &pool->def->source) < 0)
         goto cleanup;
@@ -435,7 +435,7 @@ static int virStorageBackendRBDDeleteVol(virConnectPtr conn,
         goto cleanup;
 
     r = rbd_remove(ptr.ioctx, vol->name);
-    if (r < 0) {
+    if (r < 0 && (-r) != ENOENT) {
         virReportSystemError(-r, _("failed to remove volume '%s/%s'"),
                              pool->def->source.name, vol->name);
         goto cleanup;
-- 
1.9.3


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