[libvirt] [PATCH] storage: recognize gluster as networked file
A qcow2 file with a backing file of 'gluster://host/vol/file' should
not try to look for a directory named './gluster:/' in the file system.
* src/util/virstoragefile.c (virBackingStoreIsFile): Broaden check
to include all protocols.
Signed-off-by: Eric Blake <eblake(a)redhat.com>
---
This one will be important to my work on gluster backing chains, but
can be reviewed and applied independently now.
src/util/virstoragefile.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
index 1b4d4cf..8f04b78 100644
--- a/src/util/virstoragefile.c
+++ b/src/util/virstoragefile.c
@@ -671,8 +671,13 @@ virStorageFileMatchesVersion(int format,
static bool
virBackingStoreIsFile(const char *backing)
{
- /* Backing store is a network block device or Rados block device */
- if (STRPREFIX(backing, "nbd:") || STRPREFIX(backing, "rbd:"))
+ char *colon = strchr(backing, ':');
+ char *slash = strchr(backing, '/');
+
+ /* Reject anything that looks like a protocol (such as nbd: or
+ * rbd:); if someone really does want a relative file name that
+ * includes ':', they can always prefix './'. */
+ if (colon && (!slash || colon < slash))
return false;
return true;
}
--
1.8.3.1