136 static int can_modify_feature(struct btrfs_feature_attr *fa)  in can_modify_feature()  argument
140 	switch (fa->feature_set) {  in can_modify_feature()
155 				fa->feature_set);  in can_modify_feature()
159 	if (set & fa->feature_bit)  in can_modify_feature()
161 	if (clear & fa->feature_bit)  in can_modify_feature()
172 	struct btrfs_feature_attr *fa = to_btrfs_feature_attr(a);  in btrfs_feature_attr_show()  local
174 		u64 features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_show()
175 		if (features & fa->feature_bit)  in btrfs_feature_attr_show()
178 		val = can_modify_feature(fa);  in btrfs_feature_attr_show()
188 	struct btrfs_feature_attr *fa = to_btrfs_feature_attr(a);  in btrfs_feature_attr_store()  local
204 	if (fa->feature_set == FEAT_COMPAT) {  in btrfs_feature_attr_store()
207 	} else if (fa->feature_set == FEAT_COMPAT_RO) {  in btrfs_feature_attr_store()
215 	features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_store()
218 	if ((val && (features & fa->feature_bit)) ||  in btrfs_feature_attr_store()
219 	    (!val && !(features & fa->feature_bit)))  in btrfs_feature_attr_store()
222 	if ((val && !(set & fa->feature_bit)) ||  in btrfs_feature_attr_store()
223 	    (!val && !(clear & fa->feature_bit))) {  in btrfs_feature_attr_store()
226 			val ? "En" : "Dis", fa->kobj_attr.attr.name);  in btrfs_feature_attr_store()
231 		   val ? "Setting" : "Clearing", fa->kobj_attr.attr.name);  in btrfs_feature_attr_store()
234 	features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_store()
236 		features |= fa->feature_bit;  in btrfs_feature_attr_store()
238 		features &= ~fa->feature_bit;  in btrfs_feature_attr_store()
239 	set_features(fs_info, fa->feature_set, features);  in btrfs_feature_attr_store()
258 		struct btrfs_feature_attr *fa;  in btrfs_feature_visible()  local
261 		fa = attr_to_btrfs_feature_attr(attr);  in btrfs_feature_visible()
262 		features = get_features(fs_info, fa->feature_set);  in btrfs_feature_visible()
264 		if (can_modify_feature(fa))  in btrfs_feature_visible()
266 		else if (!(features & fa->feature_bit))  in btrfs_feature_visible()
1136 			struct btrfs_feature_attr *fa;  in addrm_unknown_feature_attrs()  local
1141 			fa = &btrfs_feature_attrs[set][i];  in addrm_unknown_feature_attrs()
1142 			attrs[0] = &fa->kobj_attr.attr;  in addrm_unknown_feature_attrs()
1276 	struct btrfs_feature_attr *fa;  in init_feature_attrs()  local
1294 		fa = &btrfs_feature_attrs[sfa->feature_set][bit];  in init_feature_attrs()
1296 		fa->kobj_attr.attr.name = sfa->kobj_attr.attr.name;  in init_feature_attrs()
1302 			fa = &btrfs_feature_attrs[set][i];  in init_feature_attrs()
1304 			if (fa->kobj_attr.attr.name)  in init_feature_attrs()
1310 			fa->kobj_attr.attr.name = name;  in init_feature_attrs()
1311 			fa->kobj_attr.attr.mode = S_IRUGO;  in init_feature_attrs()
1312 			fa->feature_set = set;  in init_feature_attrs()
1313 			fa->feature_bit = 1ULL << i;  in init_feature_attrs()