[libvirt] [PATCH v2] storage: silently ignore missing files on pool refresh

[Ján Tomko]

From: Wei Zhou <w.zhou at leaseweb.com>

Make virStorageBackendVolOpenCheckMode return -2 instead of
-1 if volume file is missing.

https://bugzilla.redhat.com/show_bug.cgi?id=977706

Signed-off-by: Ján Tomko <jtomko at redhat.com>
---
 src/storage/storage_backend.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
index e2527c9..a24e452 100644
--- a/src/storage/storage_backend.c
+++ b/src/storage/storage_backend.c
@@ -1084,7 +1084,7 @@ virStorageBackendForType(int type)
  * Allows caller to silently ignore files with improper mode
  *
  * Returns -1 on error, -2 if file mode is unexpected or the
- * volume is a dangling symbolic link.
+ * volume is a dangling symbolic link or file is missing.
  */
 int
 virStorageBackendVolOpenCheckMode(const char *path, unsigned int flags)
@@ -1094,10 +1094,10 @@ virStorageBackendVolOpenCheckMode(const char *path, unsigned int flags)
     char *base = last_component(path);
 
     if (lstat(path, &sb) < 0) {
-        virReportSystemError(errno,
-                             _("cannot stat file '%s'"),
-                             path);
-        return -1;
+        char ebuf[1024];
+        VIR_WARN(_("cannot stat file '%s': %s"), path,
+                 virStrerror(errno, ebuf, sizeof(ebuf)));
+        return -2;
     }
 
     if (S_ISFIFO(sb.st_mode)) {
-- 
1.8.1.5