+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _BCACHEFS_SUPER_IO_H
-#define _BCACHEFS_SUPER_IO_H
-
-#include "extents.h"
-#include "eytzinger.h"
-#include "super_types.h"
-#include "super.h"
-
-#include <asm/byteorder.h>
-
-struct bch_sb_field *bch2_sb_field_get(struct bch_sb *, enum bch_sb_field_type);
-struct bch_sb_field *bch2_sb_field_resize(struct bch_sb_handle *,
- enum bch_sb_field_type, unsigned);
-void bch2_sb_field_delete(struct bch_sb_handle *, enum bch_sb_field_type);
-
-#define field_to_type(_f, _name) \
- container_of_or_null(_f, struct bch_sb_field_##_name, field)
-
-#define x(_name, _nr) \
-static inline struct bch_sb_field_##_name * \
-bch2_sb_get_##_name(struct bch_sb *sb) \
-{ \
- return field_to_type(bch2_sb_field_get(sb, \
- BCH_SB_FIELD_##_name), _name); \
-} \
- \
-static inline struct bch_sb_field_##_name * \
-bch2_sb_resize_##_name(struct bch_sb_handle *sb, unsigned u64s) \
-{ \
- return field_to_type(bch2_sb_field_resize(sb, \
- BCH_SB_FIELD_##_name, u64s), _name); \
-}
-
-BCH_SB_FIELDS()
-#undef x
-
-extern const char * const bch2_sb_fields[];
-
-struct bch_sb_field_ops {
- int (*validate)(struct bch_sb *, struct bch_sb_field *, struct printbuf *);
- void (*to_text)(struct printbuf *, struct bch_sb *, struct bch_sb_field *);
-};
-
-static inline __le64 bch2_sb_magic(struct bch_fs *c)
-{
- __le64 ret;
- memcpy(&ret, &c->sb.uuid, sizeof(ret));
- return ret;
-}
-
-static inline __u64 jset_magic(struct bch_fs *c)
-{
- return __le64_to_cpu(bch2_sb_magic(c) ^ JSET_MAGIC);
-}
-
-static inline __u64 bset_magic(struct bch_fs *c)
-{
- return __le64_to_cpu(bch2_sb_magic(c) ^ BSET_MAGIC);
-}
-
-int bch2_sb_to_fs(struct bch_fs *, struct bch_sb *);
-int bch2_sb_from_fs(struct bch_fs *, struct bch_dev *);
-
-void bch2_free_super(struct bch_sb_handle *);
-int bch2_sb_realloc(struct bch_sb_handle *, unsigned);
-
-int bch2_read_super(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);
-
-static inline void bch2_check_set_feature(struct bch_fs *c, unsigned feat)
-{
- if (!(c->sb.features & (1ULL << feat)))
- __bch2_check_set_feature(c, feat);
-}
-
-/* BCH_SB_FIELD_members: */
-
-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,
- struct bch_sb_field_members *mi,
- unsigned dev)
-{
- return dev < sb->nr_devices &&
- bch2_member_exists(&mi->members[dev]);
-}
-
-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),
- };
-}
-
-/* BCH_SB_FIELD_clean: */
-
-void bch2_journal_super_entries_add_common(struct bch_fs *,
- struct jset_entry **, u64);
-
-int bch2_sb_clean_validate_late(struct bch_fs *, struct bch_sb_field_clean *, int);
-
-int bch2_fs_mark_dirty(struct bch_fs *);
-void bch2_fs_mark_clean(struct bch_fs *);
-
-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 *);
-void bch2_sb_to_text(struct printbuf *, struct bch_sb *, bool, unsigned);
-
-#endif /* _BCACHEFS_SUPER_IO_H */