diff options
Diffstat (limited to 'libbcache/buckets_types.h')
| -rw-r--r-- | libbcache/buckets_types.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/libbcache/buckets_types.h b/libbcache/buckets_types.h index 6bbdcd26..f42e09d8 100644 --- a/libbcache/buckets_types.h +++ b/libbcache/buckets_types.h @@ -1,6 +1,14 @@ #ifndef _BUCKETS_TYPES_H #define _BUCKETS_TYPES_H +enum bucket_data_type { + BUCKET_DATA = 0, + BUCKET_BTREE, + BUCKET_PRIOS, + BUCKET_JOURNAL, + BUCKET_SB, +}; + struct bucket_mark { union { struct { @@ -12,23 +20,30 @@ struct bucket_mark { /* generation copygc is going to move this bucket into */ unsigned copygc:1; - unsigned wait_on_journal:1; + + unsigned journal_seq_valid:1; /* - * If this bucket ever had metadata in it, the allocator must - * increment its gen before we reuse it: + * If this bucket had metadata while at the current generation + * number, the allocator must increment its gen before we reuse + * it: */ unsigned had_metadata:1; unsigned owned_by_allocator:1; - unsigned is_metadata:1; - u16 cached_sectors; + unsigned data_type:3; + + unsigned nouse:1; + u16 dirty_sectors; + u16 cached_sectors; /* * low bits of journal sequence number when this bucket was most - * recently modified: + * recently modified: if journal_seq_valid is set, this bucket + * can't be reused until the journal sequence number written to + * disk is >= the bucket's journal sequence number: */ u16 journal_seq; }; |