[PATCH proxmox-backup v3 06/12] datastore: add helper method to get datastore backend type

[Christian Ebner <c.ebner@proxmox.com>]

Allows to check what type the datastore backend is without
instantiation of the backend itself as DataStore::backend() does.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
 pbs-datastore/src/datastore.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pbs-datastore/src/datastore.rs b/pbs-datastore/src/datastore.rs
index b105564b8..56e8867c5 100644
--- a/pbs-datastore/src/datastore.rs
+++ b/pbs-datastore/src/datastore.rs
@@ -455,6 +455,11 @@ impl DataStore {
         Ok(backend_type)
     }
 
+    /// Get the backend type for this datastore based on it's configuration
+    pub fn backend_type(&self) -> DatastoreBackendType {
+        self.inner.backend_config.ty.unwrap_or_default()
+    }
+
     /// Get the s3 statistics for this datastore
     pub fn s3_statistics(&self) -> Option<S3Statistics> {
         self.inner
-- 
2.47.3