acl: two tag matching is not going to be available in libudev

TODO

@@ -20,6 +20,8 @@ F15 External:
 
 Features:
 
+* Remove kill_mode parameter to kill bus calls
+
 * Fix nspawn to not read-only mount /selinux on the host system
 
 * make sure people don't leave processes around after ExecStartPre=

src/logind-acl.c

@@ -229,18 +229,16 @@ int devnode_acl_all(struct udev *udev,
         if (!e)
                 return -ENOMEM;
 
+        /* We can only match by one tag in libudev. We choose
+         * "uaccess" for that. If we could match for two tags here we
+         * could add the seat name as second match tag, but this would
+         * be hardly optimizable in libudev, and hence checking the
+         * second tag manually in our loop is a good solution. */
+
         r = udev_enumerate_add_match_tag(e, "uaccess");
         if (r < 0)
                 goto finish;
 
-        /* FIXME: when libudev is able to handle multiple match tags
-         * properly, optimize the search here a bit */
-        /* if (!streq(seat, "seat0")) { */
-        /*         r = udev_enumerate_add_match_tag(e, seat); */
-        /*         if (r < 0) */
-        /*                 goto finish; */
-        /* } */
-
         r = udev_enumerate_scan_devices(e);
         if (r < 0)
                 goto finish;

src/logind-dbus.c

@@ -541,6 +541,7 @@ static bool device_has_tag(struct udev_device *d, const char *tag) {
         assert(d);
         assert(tag);
 
+        /* FIXME */
         udev_device_get_is_initialized(d);
 
         first = udev_device_get_tags_list_entry(d);