diff -r 570026d3a685 -r 47bc686fafe4 src/server/daemon/vfs.c
--- a/src/server/daemon/vfs.c	Sun May 15 08:56:00 2022 +0200
+++ b/src/server/daemon/vfs.c	Sun Aug 07 13:46:43 2022 +0200
@@ -87,7 +87,7 @@
     return 0;
 }
 
-int vfs_register_type(const char *name, vfs_create_func vfsCreate) {
+int vfs_register_type(const char *name, vfs_init_func vfsInit, vfs_create_func vfsCreate) {
     WS_ASSERT(name);
     
     if(!vfs_type_map) {
@@ -95,18 +95,42 @@
             return 1;
         }
     }
-    return ucx_map_cstr_put(vfs_type_map, name, vfsCreate);
+    
+    VfsType *vfsType = malloc(sizeof(VfsType));
+    if(!vfsType) {
+        return 1;
+    }
+    vfsType->init = vfsInit;
+    vfsType->create = vfsCreate;
+    
+    return ucx_map_cstr_put(vfs_type_map, name, vfsType);
+}
+
+VfsType* vfs_get_type(scstr_t vfs_class) {
+    return ucx_map_sstr_get(vfs_type_map, vfs_class);
 }
 
+void* vfs_init_backend(ServerConfiguration *cfg, pool_handle_t *pool, VfsType *vfs_class, WSConfigNode *config, int *error) {
+    *error = 0;
+    if(vfs_class->init) {
+        void *initData = vfs_class->init(cfg, pool, config);
+        if(!initData) {
+            *error = 1;
+        }
+        return initData;
+    } else {
+        return NULL;
+    }
+}
 
-VFS* vfs_create(Session *sn, Request *rq, const char *vfs_class, pblock *pb) {
-    vfs_create_func createVFS = ucx_map_cstr_get(vfs_type_map, vfs_class);
-    if(!createVFS) {
+VFS* vfs_create(Session *sn, Request *rq, const char *vfs_class, pblock *pb, void *initData) {
+    VfsType *vfsType = ucx_map_cstr_get(vfs_type_map, vfs_class);
+    if(!vfsType) {
         log_ereport(LOG_MISCONFIG, "vfs_create: unkown VFS type %s", vfs_class);
         return NULL;
     }
     
-    return createVFS(sn, rq, pb);
+    return vfsType->create(sn, rq, pb, initData);
 }
 
 VFSContext* vfs_request_context(Session *sn, Request *rq) {