btrfs support

examples/tunasync.ini

@@ -1,36 +1,42 @@
 [global]
 log_dir = /var/log/tunasync
-local_dir = /srv/mirror
-storage_backend = btrfs
+; mirror_root = /srv/mirror_disk
+mirror_root = /mnt/sdb1/mirror
+use_btrfs = yes
+local_dir = {mirror_root}/{mirror_name}/_working
 ; maximum numbers of running jobs
-concurrent = 2
+concurrent = 3
 ; interval in minutes
-interval = 1
+interval = 120
+
+[btrfs]
+service_dir = {mirror_root}/{mirror_name}/_current
+working_dir = {mirror_root}/{mirror_name}/_working
+tmp_dir = {mirror_root}/{mirror_name}/_tmp
 
-# [mirror:archlinux]
-# provider = rsync
-# upstream = rsync://mirrors6.ustc.edu.cn/archlinux/
-# local_dir = /mnt/sdb1/mirror/archlinux/current/
-# log_file = /tmp/archlinux-{date}.log
-# use_ipv6 = yes
 
 [mirror:archlinux]
-provider = shell
-command = sleep 10
-local_dir = /mnt/sdb1/mirror/archlinux/current/
+provider = rsync
+upstream = rsync://mirror.us.leaseweb.net/archlinux/
 log_file = /tmp/archlinux-{date}.log
+use_ipv6 = yes
+
+# [mirror:archlinux]
+# provider = shell
+# command = sleep 10
+# local_dir = /mnt/sdb1/mirror/archlinux/current/
+# log_file = /tmp/archlinux-{date}.log
 
 
 [mirror:arch2]
 provider = shell
 command = sleep 5
-local_dir = /mnt/sdb1/mirror/archlinux/current/
 log_file = /tmp/arch2-{date}.log
+use_btrfs = no
 
 
 [mirror:arch3]
 provider = shell
 command = ./shell_provider.sh
-local_dir = /mnt/sdb1/mirror/archlinux/current/
 log_file = /tmp/arch3-{date}.log
-
+use_btrfs = no