btrfs: add ability to change features via sysfs

[cascardo/linux.git] / fs / btrfs / sysfs.h

diff --git a/fs/btrfs/sysfs.h b/fs/btrfs/sysfs.h
index d7c61bd..58c4b1f 100644 (file)
--- a/fs/btrfs/sysfs.h
+++ b/fs/btrfs/sysfs.h
@@ -31,7 +31,8 @@ struct btrfs_feature_attr {
 #define BTRFS_FEAT_ATTR(_name, _feature_set, _prefix, _feature_bit)         \
 static struct btrfs_feature_attr btrfs_attr_##_name = {                             \
        .kobj_attr = __INIT_KOBJ_ATTR(_name, S_IRUGO,                        \
-                                     btrfs_feature_attr_show, NULL),        \
+                                     btrfs_feature_attr_show,               \
+                                     btrfs_feature_attr_store),             \
        .feature_set    = _feature_set,                                      \
        .feature_bit    = _prefix ##_## _feature_bit,                        \
 }