void bch2_version_to_text(struct printbuf *, unsigned);
unsigned bch2_latest_compatible_version(unsigned);
-u64 bch2_upgrade_recovery_passes(struct bch_fs *c,
- unsigned,
- unsigned);
+static inline size_t bch2_sb_field_bytes(struct bch_sb_field *f)
+{
+ return le32_to_cpu(f->u64s) * sizeof(u64);
+}
#define field_to_type(_f, _name) \
container_of_or_null(_f, struct bch_sb_field_##_name, field)
#define bch2_sb_field_resize(_sb, _name, _u64s) \
field_to_type(bch2_sb_field_resize_id(_sb, BCH_SB_FIELD_##_name, _u64s), _name)
+struct bch_sb_field *bch2_sb_field_get_minsize_id(struct bch_sb_handle *,
+ enum bch_sb_field_type, unsigned);
+#define bch2_sb_field_get_minsize(_sb, _name, _u64s) \
+ field_to_type(bch2_sb_field_get_minsize_id(_sb, BCH_SB_FIELD_##_name, _u64s), _name)
+
+#define bch2_sb_field_nr_entries(_f) \
+ (_f ? ((bch2_sb_field_bytes(&_f->field) - sizeof(*_f)) / \
+ sizeof(_f->entries[0])) \
+ : 0)
+
void bch2_sb_field_delete(struct bch_sb_handle *, enum bch_sb_field_type);
extern const char * const bch2_sb_fields[];
int bch2_sb_realloc(struct bch_sb_handle *, unsigned);
int bch2_read_super(const char *, struct bch_opts *, struct bch_sb_handle *);
+int bch2_read_super_silent(const char *, struct bch_opts *, struct bch_sb_handle *);
int bch2_write_super(struct bch_fs *);
void __bch2_check_set_feature(struct bch_fs *, unsigned);
__bch2_check_set_feature(c, feat);
}
-/* BCH_SB_FIELD_members_v1: */
-
-static inline bool bch2_member_exists(struct bch_member *m)
-{
- return !bch2_is_zero(&m->uuid, sizeof(m->uuid));
-}
-
-static inline bool bch2_dev_exists(struct bch_sb *sb,
- unsigned dev)
-{
- if (dev < sb->nr_devices) {
- struct bch_member m = bch2_sb_member_get(sb, dev);
- return bch2_member_exists(&m);
- }
- return false;
-}
-
-static inline struct bch_member_cpu bch2_mi_to_cpu(struct bch_member *mi)
-{
- return (struct bch_member_cpu) {
- .nbuckets = le64_to_cpu(mi->nbuckets),
- .first_bucket = le16_to_cpu(mi->first_bucket),
- .bucket_size = le16_to_cpu(mi->bucket_size),
- .group = BCH_MEMBER_GROUP(mi),
- .state = BCH_MEMBER_STATE(mi),
- .discard = BCH_MEMBER_DISCARD(mi),
- .data_allowed = BCH_MEMBER_DATA_ALLOWED(mi),
- .durability = BCH_MEMBER_DURABILITY(mi)
- ? BCH_MEMBER_DURABILITY(mi) - 1
- : 1,
- .freespace_initialized = BCH_MEMBER_FREESPACE_INITIALIZED(mi),
- .valid = bch2_member_exists(mi),
- };
-}
-
-void bch2_sb_maybe_downgrade(struct bch_fs *);
+bool bch2_check_version_downgrade(struct bch_fs *);
void bch2_sb_upgrade(struct bch_fs *, unsigned);
+void __bch2_sb_field_to_text(struct printbuf *, struct bch_sb *,
+ struct bch_sb_field *);
void bch2_sb_field_to_text(struct printbuf *, struct bch_sb *,
struct bch_sb_field *);
void bch2_sb_layout_to_text(struct printbuf *, struct bch_sb_layout *);