diff options
Diffstat (limited to 'libbcachefs/bcachefs_format.h')
| -rw-r--r-- | libbcachefs/bcachefs_format.h | 44 |
1 files changed, 28 insertions, 16 deletions
diff --git a/libbcachefs/bcachefs_format.h b/libbcachefs/bcachefs_format.h index f29e3e7e..91a6624e 100644 --- a/libbcachefs/bcachefs_format.h +++ b/libbcachefs/bcachefs_format.h @@ -367,7 +367,8 @@ static inline void bkey_init(struct bkey *k) x(lru, 26) \ x(alloc_v4, 27) \ x(backpointer, 28) \ - x(inode_v3, 29) + x(inode_v3, 29) \ + x(bucket_gens, 30) enum bch_bkey_type { #define x(name, nr) KEY_TYPE_##name = nr, @@ -1009,6 +1010,15 @@ struct bch_backpointer { struct bpos pos; } __packed __aligned(8); +#define KEY_TYPE_BUCKET_GENS_BITS 8 +#define KEY_TYPE_BUCKET_GENS_NR (1U << KEY_TYPE_BUCKET_GENS_BITS) +#define KEY_TYPE_BUCKET_GENS_MASK (KEY_TYPE_BUCKET_GENS_NR - 1) + +struct bch_bucket_gens { + struct bch_val v; + u8 gens[KEY_TYPE_BUCKET_GENS_NR]; +} __packed __aligned(8); + /* Quotas: */ enum quota_types { @@ -1546,7 +1556,8 @@ struct bch_sb_field_journal_seq_blacklist { x(new_data_types, 21) \ x(backpointers, 22) \ x(inode_v3, 23) \ - x(unwritten_extents, 24) + x(unwritten_extents, 24) \ + x(bucket_gens, 25) enum bcachefs_metadata_version { bcachefs_metadata_version_min = 9, @@ -2068,20 +2079,21 @@ LE32_BITMASK(JSET_NO_FLUSH, struct jset, flags, 5, 6); /* Btree: */ #define BCH_BTREE_IDS() \ - x(extents, 0) \ - x(inodes, 1) \ - x(dirents, 2) \ - x(xattrs, 3) \ - x(alloc, 4) \ - x(quotas, 5) \ - x(stripes, 6) \ - x(reflink, 7) \ - x(subvolumes, 8) \ - x(snapshots, 9) \ - x(lru, 10) \ - x(freespace, 11) \ - x(need_discard, 12) \ - x(backpointers, 13) + x(extents, 0) \ + x(inodes, 1) \ + x(dirents, 2) \ + x(xattrs, 3) \ + x(alloc, 4) \ + x(quotas, 5) \ + x(stripes, 6) \ + x(reflink, 7) \ + x(subvolumes, 8) \ + x(snapshots, 9) \ + x(lru, 10) \ + x(freespace, 11) \ + x(need_discard, 12) \ + x(backpointers, 13) \ + x(bucket_gens, 14) enum btree_id { #define x(kwd, val) BTREE_ID_##kwd = val, |