61 static int can_modify_feature(struct btrfs_feature_attr *fa)  in can_modify_feature()  argument
65 	switch (fa->feature_set) {  in can_modify_feature()
80 				fa->feature_set);  in can_modify_feature()
84 	if (set & fa->feature_bit)  in can_modify_feature()
86 	if (clear & fa->feature_bit)  in can_modify_feature()
97 	struct btrfs_feature_attr *fa = to_btrfs_feature_attr(a);  in btrfs_feature_attr_show()  local
99 		u64 features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_show()
100 		if (features & fa->feature_bit)  in btrfs_feature_attr_show()
103 		val = can_modify_feature(fa);  in btrfs_feature_attr_show()
113 	struct btrfs_feature_attr *fa = to_btrfs_feature_attr(a);  in btrfs_feature_attr_store()  local
126 	if (fa->feature_set == FEAT_COMPAT) {  in btrfs_feature_attr_store()
129 	} else if (fa->feature_set == FEAT_COMPAT_RO) {  in btrfs_feature_attr_store()
137 	features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_store()
140 	if ((val && (features & fa->feature_bit)) ||  in btrfs_feature_attr_store()
141 	    (!val && !(features & fa->feature_bit)))  in btrfs_feature_attr_store()
144 	if ((val && !(set & fa->feature_bit)) ||  in btrfs_feature_attr_store()
145 	    (!val && !(clear & fa->feature_bit))) {  in btrfs_feature_attr_store()
148 			val ? "En" : "Dis", fa->kobj_attr.attr.name);  in btrfs_feature_attr_store()
153 		   val ? "Setting" : "Clearing", fa->kobj_attr.attr.name);  in btrfs_feature_attr_store()
156 	features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_store()
158 		features |= fa->feature_bit;  in btrfs_feature_attr_store()
160 		features &= ~fa->feature_bit;  in btrfs_feature_attr_store()
161 	set_features(fs_info, fa->feature_set, features);  in btrfs_feature_attr_store()
180 		struct btrfs_feature_attr *fa;  in btrfs_feature_visible()  local
183 		fa = attr_to_btrfs_feature_attr(attr);  in btrfs_feature_visible()
184 		features = get_features(fs_info, fa->feature_set);  in btrfs_feature_visible()
186 		if (can_modify_feature(fa))  in btrfs_feature_visible()
188 		else if (!(features & fa->feature_bit))  in btrfs_feature_visible()
487 			struct btrfs_feature_attr *fa;  in addrm_unknown_feature_attrs()  local
492 			fa = &btrfs_feature_attrs[set][i];  in addrm_unknown_feature_attrs()
493 			attrs[0] = &fa->kobj_attr.attr;  in addrm_unknown_feature_attrs()
563 	struct btrfs_feature_attr *fa;  in init_feature_attrs()  local
581 		fa = &btrfs_feature_attrs[sfa->feature_set][bit];  in init_feature_attrs()
583 		fa->kobj_attr.attr.name = sfa->kobj_attr.attr.name;  in init_feature_attrs()
589 			fa = &btrfs_feature_attrs[set][i];  in init_feature_attrs()
591 			if (fa->kobj_attr.attr.name)  in init_feature_attrs()
597 			fa->kobj_attr.attr.name = name;  in init_feature_attrs()
598 			fa->kobj_attr.attr.mode = S_IRUGO;  in init_feature_attrs()
599 			fa->feature_set = set;  in init_feature_attrs()
600 			fa->feature_bit = 1ULL << i;  in init_feature_attrs()