142 static int can_modify_feature(struct btrfs_feature_attr *fa)  in can_modify_feature()  argument
146 	switch (fa->feature_set) {  in can_modify_feature()
161 				fa->feature_set);  in can_modify_feature()
165 	if (set & fa->feature_bit)  in can_modify_feature()
167 	if (clear & fa->feature_bit)  in can_modify_feature()
178 	struct btrfs_feature_attr *fa = to_btrfs_feature_attr(a);  in btrfs_feature_attr_show()  local
180 		u64 features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_show()
181 		if (features & fa->feature_bit)  in btrfs_feature_attr_show()
184 		val = can_modify_feature(fa);  in btrfs_feature_attr_show()
194 	struct btrfs_feature_attr *fa = to_btrfs_feature_attr(a);  in btrfs_feature_attr_store()  local
210 	if (fa->feature_set == FEAT_COMPAT) {  in btrfs_feature_attr_store()
213 	} else if (fa->feature_set == FEAT_COMPAT_RO) {  in btrfs_feature_attr_store()
221 	features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_store()
224 	if ((val && (features & fa->feature_bit)) ||  in btrfs_feature_attr_store()
225 	    (!val && !(features & fa->feature_bit)))  in btrfs_feature_attr_store()
228 	if ((val && !(set & fa->feature_bit)) ||  in btrfs_feature_attr_store()
229 	    (!val && !(clear & fa->feature_bit))) {  in btrfs_feature_attr_store()
232 			val ? "En" : "Dis", fa->kobj_attr.attr.name);  in btrfs_feature_attr_store()
237 		   val ? "Setting" : "Clearing", fa->kobj_attr.attr.name);  in btrfs_feature_attr_store()
240 	features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_store()
242 		features |= fa->feature_bit;  in btrfs_feature_attr_store()
244 		features &= ~fa->feature_bit;  in btrfs_feature_attr_store()
245 	set_features(fs_info, fa->feature_set, features);  in btrfs_feature_attr_store()
264 		struct btrfs_feature_attr *fa;  in btrfs_feature_visible()  local
267 		fa = attr_to_btrfs_feature_attr(attr);  in btrfs_feature_visible()
268 		features = get_features(fs_info, fa->feature_set);  in btrfs_feature_visible()
270 		if (can_modify_feature(fa))  in btrfs_feature_visible()
272 		else if (!(features & fa->feature_bit))  in btrfs_feature_visible()
1324 			struct btrfs_feature_attr *fa;  in addrm_unknown_feature_attrs()  local
1329 			fa = &btrfs_feature_attrs[set][i];  in addrm_unknown_feature_attrs()
1330 			attrs[0] = &fa->kobj_attr.attr;  in addrm_unknown_feature_attrs()
1463 	struct btrfs_feature_attr *fa;  in init_feature_attrs()  local
1476 		fa = &btrfs_feature_attrs[sfa->feature_set][bit];  in init_feature_attrs()
1478 		fa->kobj_attr.attr.name = sfa->kobj_attr.attr.name;  in init_feature_attrs()
1484 			fa = &btrfs_feature_attrs[set][i];  in init_feature_attrs()
1486 			if (fa->kobj_attr.attr.name)  in init_feature_attrs()
1492 			fa->kobj_attr.attr.name = name;  in init_feature_attrs()
1493 			fa->kobj_attr.attr.mode = S_IRUGO;  in init_feature_attrs()
1494 			fa->feature_set = set;  in init_feature_attrs()
1495 			fa->feature_bit = 1ULL << i;  in init_feature_attrs()