diff options
Diffstat (limited to 'fs/bcachefs/super-io.h')
| -rw-r--r-- | fs/bcachefs/super-io.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/bcachefs/super-io.h b/fs/bcachefs/super-io.h index f5abd102bff7..e41e5de531a0 100644 --- a/fs/bcachefs/super-io.h +++ b/fs/bcachefs/super-io.h @@ -40,6 +40,16 @@ struct bch_sb_field *bch2_sb_field_resize_id(struct bch_sb_handle *, #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[]; @@ -83,7 +93,7 @@ static inline void bch2_check_set_feature(struct bch_fs *c, unsigned feat) __bch2_check_set_feature(c, feat); } -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 *, |