diff -r 535004faa1a5 -r 0cb4eda146c4 src/server/plugins/postgresql/vfs.c
--- a/src/server/plugins/postgresql/vfs.c	Thu Jan 27 21:24:27 2022 +0100
+++ b/src/server/plugins/postgresql/vfs.c	Fri Jan 28 15:44:30 2022 +0100
@@ -55,6 +55,46 @@
     pg_vfs_dirio_close
 };
 
+
+
+VFS* pg_vfs_create(Session *sn, Request *rq, pblock *pb) {
+    // resourcepool is required
+    char *resource_pool = pblock_find("resourcepool", pb);
+    if(!resource_pool) {
+        log_ereport(LOG_MISCONFIG, "pg_vfs_create: missing resourcepool parameter");
+        return NULL;
+    }
+    
+    // get the resource first (most likely to fail due to misconfig)
+    ResourceData *resdata = resourcepool_lookup(sn, rq, resource_pool, 0);
+    if(!resdata) {
+        log_ereport(LOG_MISCONFIG, "postgresql vfs: resource pool %s not found", resource_pool);
+        return NULL;
+    }
+    // resdata will be freed automatically when the request is finished
+    
+    // Create a new VFS object and a separate instance object
+    // VFS contains fptrs that can be copied from pg_vfs_class
+    // instance contains request specific data (PGconn)
+    VFS *vfs = pool_malloc(sn->pool, sizeof(VFS));
+    if(!vfs) {
+        return NULL;
+    }
+    
+    PgVFS *vfs_priv = pool_malloc(sn->pool, sizeof(PgVFS));
+    if(!vfs_priv) {
+        pool_free(sn->pool, vfs);
+        return NULL;
+    }
+    
+    memcpy(vfs, &pg_vfs_class, sizeof(VFS));
+    vfs->flags = 0;
+    vfs->instance = vfs_priv;
+    
+    return vfs;
+}
+
+
 /* -------------------------- VFS functions -------------------------- */
 
 SYS_FILE pg_vfs_open(VFSContext *ctx, const char *path, int oflags) {