rename root_dataset to root_fs for receiving-side jobs

config/samples/local.yml

@@ -2,7 +2,7 @@
 jobs:
   - type: sink
     name: "local_sink"
-    root_dataset: "storage/zrepl/sink"
+    root_fs: "storage/zrepl/sink"
     serve:
       type: local
       listener_name: localsink

config/samples/pull.yml

@@ -8,7 +8,7 @@ jobs:
     cert: "/certs/cert.crt"
     key: "/certs/key.pem"
     server_cn: "server1"
-  root_dataset: "pool2/backup_servers"
+  root_fs: "pool2/backup_servers"
   interval: 10m
   pruning:
     keep_sender:

config/samples/pull_ssh.yml

@@ -10,7 +10,7 @@ jobs:
     identity_file: /etc/zrepl/ssh/identity
     options: # optional, default [], `-o` arguments passed to ssh
     - "Compression=on"
-  root_dataset: "pool2/backup_servers"
+  root_fs: "pool2/backup_servers"
   interval: 10m
   pruning:
     keep_sender:

config/samples/sink.yml

@@ -1,7 +1,7 @@
 jobs:
   - type: sink
     name: "laptop_sink"
-    root_dataset: "pool2/backup_laptops"
+    root_fs: "pool2/backup_laptops"
     serve:
       type: tls
       listen: "192.168.122.189:8888"