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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_REPLICAS_H
#define _BCACHEFS_REPLICAS_H
bool bch2_replicas_marked(struct bch_fs *, enum bch_data_type,
struct bch_devs_list);
bool bch2_bkey_replicas_marked(struct bch_fs *, enum bch_data_type,
struct bkey_s_c);
int bch2_mark_replicas(struct bch_fs *, enum bch_data_type,
struct bch_devs_list);
int bch2_mark_bkey_replicas(struct bch_fs *, enum bch_data_type,
struct bkey_s_c);
int bch2_cpu_replicas_to_text(struct bch_replicas_cpu *, char *, size_t);
int bch2_sb_replicas_to_text(struct bch_sb_field_replicas *, char *, size_t);
struct replicas_status {
struct {
unsigned nr_online;
unsigned nr_offline;
} replicas[BCH_DATA_NR];
};
struct replicas_status __bch2_replicas_status(struct bch_fs *,
struct bch_devs_mask);
struct replicas_status bch2_replicas_status(struct bch_fs *);
bool bch2_have_enough_devs(struct replicas_status, unsigned);
unsigned bch2_replicas_online(struct bch_fs *, bool);
unsigned bch2_dev_has_data(struct bch_fs *, struct bch_dev *);
int bch2_replicas_gc_end(struct bch_fs *, int);
int bch2_replicas_gc_start(struct bch_fs *, unsigned);
/* iterate over superblock replicas - used by userspace tools: */
static inline struct bch_replicas_entry *
replicas_entry_next(struct bch_replicas_entry *i)
{
return (void *) i + offsetof(struct bch_replicas_entry, devs) + i->nr;
}
#define for_each_replicas_entry(_r, _i) \
for (_i = (_r)->entries; \
(void *) (_i) < vstruct_end(&(_r)->field) && (_i)->data_type;\
(_i) = replicas_entry_next(_i))
int bch2_sb_replicas_to_cpu_replicas(struct bch_fs *);
extern const struct bch_sb_field_ops bch_sb_field_ops_replicas;
#endif /* _BCACHEFS_REPLICAS_H */
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