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-rw-r--r--libbcache/buckets_types.h27
1 files changed, 21 insertions, 6 deletions
diff --git a/libbcache/buckets_types.h b/libbcache/buckets_types.h
index 6bbdcd2..f42e09d 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;
};