diff options
Diffstat (limited to 'libbcachefs/bcachefs_format.h')
| -rw-r--r-- | libbcachefs/bcachefs_format.h | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/libbcachefs/bcachefs_format.h b/libbcachefs/bcachefs_format.h index dbe9a37f..147fde14 100644 --- a/libbcachefs/bcachefs_format.h +++ b/libbcachefs/bcachefs_format.h @@ -365,7 +365,8 @@ static inline void bkey_init(struct bkey *k) x(alloc_v3, 24) \ x(set, 25) \ x(lru, 26) \ - x(alloc_v4, 27) + x(alloc_v4, 27) \ + x(backpointer, 28) enum bch_bkey_type { #define x(name, nr) KEY_TYPE_##name = nr, @@ -886,6 +887,12 @@ struct bch_alloc { x(stripe, 32) \ x(stripe_redundancy, 8) +enum { +#define x(name, _bits) BCH_ALLOC_FIELD_V1_##name, + BCH_ALLOC_FIELDS_V1() +#undef x +}; + struct bch_alloc_v2 { struct bch_val v; __u8 nr_fields; @@ -914,6 +921,9 @@ struct bch_alloc_v3 { __u8 data[]; } __attribute__((packed, aligned(8))); +LE32_BITMASK(BCH_ALLOC_V3_NEED_DISCARD,struct bch_alloc_v3, flags, 0, 1) +LE32_BITMASK(BCH_ALLOC_V3_NEED_INC_GEN,struct bch_alloc_v3, flags, 1, 2) + struct bch_alloc_v4 { struct bch_val v; __u64 journal_seq; @@ -927,22 +937,27 @@ struct bch_alloc_v4 { __u64 io_time[2]; __u32 stripe; __u32 nr_external_backpointers; - struct bpos backpointers[0]; } __attribute__((packed, aligned(8))); -LE32_BITMASK(BCH_ALLOC_V3_NEED_DISCARD,struct bch_alloc_v3, flags, 0, 1) -LE32_BITMASK(BCH_ALLOC_V3_NEED_INC_GEN,struct bch_alloc_v3, flags, 1, 2) +#define BCH_ALLOC_V4_U64s_V0 6 +#define BCH_ALLOC_V4_U64s (sizeof(struct bch_alloc_v4) / sizeof(u64)) BITMASK(BCH_ALLOC_V4_NEED_DISCARD, struct bch_alloc_v4, flags, 0, 1) BITMASK(BCH_ALLOC_V4_NEED_INC_GEN, struct bch_alloc_v4, flags, 1, 2) BITMASK(BCH_ALLOC_V4_BACKPOINTERS_START,struct bch_alloc_v4, flags, 2, 8) BITMASK(BCH_ALLOC_V4_NR_BACKPOINTERS, struct bch_alloc_v4, flags, 8, 14) -enum { -#define x(name, _bits) BCH_ALLOC_FIELD_V1_##name, - BCH_ALLOC_FIELDS_V1() -#undef x -}; +#define BCH_ALLOC_V4_NR_BACKPOINTERS_MAX 40 + +struct bch_backpointer { + struct bch_val v; + __u8 btree_id; + __u8 level; + __u8 data_type; + __u64 bucket_offset:40; + __u32 bucket_len; + struct bpos pos; +} __attribute__((packed, aligned(8))); /* Quotas: */ @@ -1326,7 +1341,8 @@ struct bch_sb_field_disk_groups { x(io_read, 0) \ x(io_write, 1) \ x(io_move, 2) \ - x(bucket_invalidate, 3) + x(bucket_invalidate, 3) \ + x(bucket_discard, 4) enum bch_persistent_counters { #define x(t, n, ...) BCH_COUNTER_##t, @@ -1407,7 +1423,8 @@ struct bch_sb_field_journal_seq_blacklist { x(inode_v2, 18) \ x(freespace, 19) \ x(alloc_v4, 20) \ - x(new_data_types, 21) + x(new_data_types, 21) \ + x(backpointers, 22) enum bcachefs_metadata_version { bcachefs_metadata_version_min = 9, |