diff --git a/fs/bcachefs/bcachefs_format.h b/fs/bcachefs/bcachefs_format.h
index c1a9ba451f04..45701b1230b7 100644
--- a/fs/bcachefs/bcachefs_format.h
+++ b/fs/bcachefs/bcachefs_format.h
@@ -1222,7 +1222,7 @@ struct bch_sb_field {
 
 #define BCH_SB_FIELDS()				\
 	x(journal,	0)			\
-	x(members,	1)			\
+	x(members_v1,	1)			\
 	x(crypt,	2)			\
 	x(replicas_v0,	3)			\
 	x(quota,	4)			\
@@ -1265,7 +1265,7 @@ struct bch_sb_field_journal_v2 {
 	}			d[];
 };
 
-/* BCH_SB_FIELD_members: */
+/* BCH_SB_FIELD_members_v1: */
 
 #define BCH_MIN_NR_NBUCKETS	(1 << 6)
 
@@ -1309,7 +1309,7 @@ enum bch_member_state {
 	BCH_MEMBER_STATE_NR
 };
 
-struct bch_sb_field_members {
+struct bch_sb_field_members_v1 {
 	struct bch_sb_field	field;
 	struct bch_member	_members[]; //Members are now variable size
 };
diff --git a/fs/bcachefs/sb-members.c b/fs/bcachefs/sb-members.c
index bf9c6c60530a..b9a75eb5a8eb 100644
--- a/fs/bcachefs/sb-members.c
+++ b/fs/bcachefs/sb-members.c
@@ -6,7 +6,7 @@
 #include "sb-members.h"
 #include "super-io.h"
 
-/* Code for bch_sb_field_members: */
+/* Code for bch_sb_field_members_v1: */
 
 static struct bch_member *members_v2_get_mut(struct bch_sb_field_members_v2 *mi, int i)
 {
@@ -26,12 +26,12 @@ static struct bch_member members_v2_get(struct bch_sb_field_members_v2 *mi, int
 	return ret;
 }
 
-static struct bch_member *members_v1_get_mut(struct bch_sb_field_members *mi, int i)
+static struct bch_member *members_v1_get_mut(struct bch_sb_field_members_v1 *mi, int i)
 {
 	return (void *) mi->_members + (i * BCH_MEMBER_V1_BYTES);
 }
 
-static struct bch_member members_v1_get(struct bch_sb_field_members *mi, int i)
+static struct bch_member members_v1_get(struct bch_sb_field_members_v1 *mi, int i)
 {
 	struct bch_member ret, *p = members_v1_get_mut(mi, i);
 	memset(&ret, 0, sizeof(ret));
@@ -43,7 +43,7 @@ struct bch_member bch2_sb_member_get(struct bch_sb *sb, int i)
 	struct bch_sb_field_members_v2 *mi2 = bch2_sb_get_members_v2(sb);
 	if (mi2)
 		return members_v2_get(mi2, i);
-	struct bch_sb_field_members *mi1 = bch2_sb_get_members(sb);
+	struct bch_sb_field_members_v1 *mi1 = bch2_sb_get_members_v1(sb);
 	return members_v1_get(mi1, i);
 }
 
@@ -72,7 +72,7 @@ static int sb_members_v2_resize_entries(struct bch_fs *c)
 
 int bch2_members_v2_init(struct bch_fs *c)
 {
-	struct bch_sb_field_members *mi1;
+	struct bch_sb_field_members_v1 *mi1;
 	struct bch_sb_field_members_v2 *mi2;
 
 	if (!bch2_sb_get_members_v2(c->disk_sb.sb)) {
@@ -80,7 +80,7 @@ int bch2_members_v2_init(struct bch_fs *c)
 				DIV_ROUND_UP(sizeof(*mi2) +
 					     sizeof(struct bch_member) * c->sb.nr_devices,
 					     sizeof(u64)));
-		mi1 = bch2_sb_get_members(c->disk_sb.sb);
+		mi1 = bch2_sb_get_members_v1(c->disk_sb.sb);
 		memcpy(&mi2->_members[0], &mi1->_members[0],
 		       BCH_MEMBER_V1_BYTES * c->sb.nr_devices);
 		memset(&mi2->pad[0], 0, sizeof(mi2->pad));
@@ -92,10 +92,10 @@ int bch2_members_v2_init(struct bch_fs *c)
 
 int bch_members_cpy_v2_v1(struct bch_sb_handle *disk_sb)
 {
-	struct bch_sb_field_members *mi1;
+	struct bch_sb_field_members_v1 *mi1;
 	struct bch_sb_field_members_v2 *mi2;
 
-	mi1 = bch2_sb_resize_members(disk_sb,
+	mi1 = bch2_sb_resize_members_v1(disk_sb,
 			DIV_ROUND_UP(sizeof(*mi1) + BCH_MEMBER_V1_BYTES *
 				     disk_sb->sb->nr_devices, sizeof(u64)));
 	if (!mi1)
@@ -251,7 +251,7 @@ static int bch2_sb_members_v1_validate(struct bch_sb *sb,
 				    struct bch_sb_field *f,
 				    struct printbuf *err)
 {
-	struct bch_sb_field_members *mi = field_to_type(f, members);
+	struct bch_sb_field_members_v1 *mi = field_to_type(f, members_v1);
 	unsigned i;
 
 	if ((void *) members_v1_get_mut(mi, sb->nr_devices)  >
@@ -274,7 +274,7 @@ static int bch2_sb_members_v1_validate(struct bch_sb *sb,
 static void bch2_sb_members_v1_to_text(struct printbuf *out, struct bch_sb *sb,
 				       struct bch_sb_field *f)
 {
-	struct bch_sb_field_members *mi = field_to_type(f, members);
+	struct bch_sb_field_members_v1 *mi = field_to_type(f, members_v1);
 	struct bch_sb_field_disk_groups *gi = bch2_sb_get_disk_groups(sb);
 	unsigned i;
 
@@ -284,7 +284,7 @@ static void bch2_sb_members_v1_to_text(struct printbuf *out, struct bch_sb *sb,
 	}
 }
 
-const struct bch_sb_field_ops bch_sb_field_ops_members = {
+const struct bch_sb_field_ops bch_sb_field_ops_members_v1 = {
 	.validate	= bch2_sb_members_v1_validate,
 	.to_text	= bch2_sb_members_v1_to_text,
 };
diff --git a/fs/bcachefs/sb-members.h b/fs/bcachefs/sb-members.h
index 72958facbb4f..430f3457bfd4 100644
--- a/fs/bcachefs/sb-members.h
+++ b/fs/bcachefs/sb-members.h
@@ -176,8 +176,7 @@ static inline struct bch_devs_mask bch2_online_devs(struct bch_fs *c)
 	return devs;
 }
 
+extern const struct bch_sb_field_ops bch_sb_field_ops_members_v1;
 extern const struct bch_sb_field_ops bch_sb_field_ops_members_v2;
 
-extern const struct bch_sb_field_ops bch_sb_field_ops_members;
-
 #endif /* _BCACHEFS_SB_MEMBERS_H */
diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c
index 8bb9c9a67fe5..4498e24dabdb 100644
--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -355,7 +355,7 @@ static int bch2_sb_validate(struct bch_sb_handle *disk_sb, struct printbuf *out,
 {
 	struct bch_sb *sb = disk_sb->sb;
 	struct bch_sb_field *f;
-	struct bch_sb_field_members *mi;
+	struct bch_sb_field_members_v1 *mi;
 	enum bch_opt_id opt_id;
 	u16 block_size;
 	int ret;
@@ -458,7 +458,7 @@ static int bch2_sb_validate(struct bch_sb_handle *disk_sb, struct printbuf *out,
 	}
 
 	/* members must be validated first: */
-	mi = bch2_sb_get_members(sb);
+	mi = bch2_sb_get_members_v1(sb);
 	if (!mi) {
 		prt_printf(out, "Invalid superblock: member info area missing");
 		return -BCH_ERR_invalid_sb_members_missing;
@@ -469,7 +469,7 @@ static int bch2_sb_validate(struct bch_sb_handle *disk_sb, struct printbuf *out,
 		return ret;
 
 	vstruct_for_each(sb, f) {
-		if (le32_to_cpu(f->type) == BCH_SB_FIELD_members)
+		if (le32_to_cpu(f->type) == BCH_SB_FIELD_members_v1)
 			continue;
 
 		ret = bch2_sb_field_validate(sb, f, out);
diff --git a/fs/bcachefs/super-io.h b/fs/bcachefs/super-io.h
index 817c3d790acd..f7e9099931a7 100644
--- a/fs/bcachefs/super-io.h
+++ b/fs/bcachefs/super-io.h
@@ -90,7 +90,7 @@ static inline void bch2_check_set_feature(struct bch_fs *c, unsigned feat)
 		__bch2_check_set_feature(c, feat);
 }
 
-/* BCH_SB_FIELD_members: */
+/* BCH_SB_FIELD_members_v1: */
 
 static inline bool bch2_member_exists(struct bch_member *m)
 {