112 static int can_modify_feature(struct btrfs_feature_attr *fa)  in can_modify_feature()  argument
116 	switch (fa->feature_set) {  in can_modify_feature()
131 				fa->feature_set);  in can_modify_feature()
135 	if (set & fa->feature_bit)  in can_modify_feature()
137 	if (clear & fa->feature_bit)  in can_modify_feature()
148 	struct btrfs_feature_attr *fa = to_btrfs_feature_attr(a);  in btrfs_feature_attr_show()  local
150 		u64 features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_show()
151 		if (features & fa->feature_bit)  in btrfs_feature_attr_show()
154 		val = can_modify_feature(fa);  in btrfs_feature_attr_show()
164 	struct btrfs_feature_attr *fa = to_btrfs_feature_attr(a);  in btrfs_feature_attr_store()  local
180 	if (fa->feature_set == FEAT_COMPAT) {  in btrfs_feature_attr_store()
183 	} else if (fa->feature_set == FEAT_COMPAT_RO) {  in btrfs_feature_attr_store()
191 	features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_store()
194 	if ((val && (features & fa->feature_bit)) ||  in btrfs_feature_attr_store()
195 	    (!val && !(features & fa->feature_bit)))  in btrfs_feature_attr_store()
198 	if ((val && !(set & fa->feature_bit)) ||  in btrfs_feature_attr_store()
199 	    (!val && !(clear & fa->feature_bit))) {  in btrfs_feature_attr_store()
202 			val ? "En" : "Dis", fa->kobj_attr.attr.name);  in btrfs_feature_attr_store()
207 		   val ? "Setting" : "Clearing", fa->kobj_attr.attr.name);  in btrfs_feature_attr_store()
210 	features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_store()
212 		features |= fa->feature_bit;  in btrfs_feature_attr_store()
214 		features &= ~fa->feature_bit;  in btrfs_feature_attr_store()
215 	set_features(fs_info, fa->feature_set, features);  in btrfs_feature_attr_store()
234 		struct btrfs_feature_attr *fa;  in btrfs_feature_visible()  local
237 		fa = attr_to_btrfs_feature_attr(attr);  in btrfs_feature_visible()
238 		features = get_features(fs_info, fa->feature_set);  in btrfs_feature_visible()
240 		if (can_modify_feature(fa))  in btrfs_feature_visible()
242 		else if (!(features & fa->feature_bit))  in btrfs_feature_visible()
674 			struct btrfs_feature_attr *fa;  in addrm_unknown_feature_attrs()  local
679 			fa = &btrfs_feature_attrs[set][i];  in addrm_unknown_feature_attrs()
680 			attrs[0] = &fa->kobj_attr.attr;  in addrm_unknown_feature_attrs()
779 	struct btrfs_feature_attr *fa;  in init_feature_attrs()  local
797 		fa = &btrfs_feature_attrs[sfa->feature_set][bit];  in init_feature_attrs()
799 		fa->kobj_attr.attr.name = sfa->kobj_attr.attr.name;  in init_feature_attrs()
805 			fa = &btrfs_feature_attrs[set][i];  in init_feature_attrs()
807 			if (fa->kobj_attr.attr.name)  in init_feature_attrs()
813 			fa->kobj_attr.attr.name = name;  in init_feature_attrs()
814 			fa->kobj_attr.attr.mode = S_IRUGO;  in init_feature_attrs()
815 			fa->feature_set = set;  in init_feature_attrs()
816 			fa->feature_bit = 1ULL << i;  in init_feature_attrs()