Move c_src dirs back to toplevel

[bcachefs-tools-debian] / libbcachefs / buckets_types.h

diff --git a/libbcachefs/buckets_types.h b/libbcachefs/buckets_types.h
new file mode 100644 (file)
index 0000000..783f710
--- /dev/null
+++ b/libbcachefs/buckets_types.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BUCKETS_TYPES_H
+#define _BUCKETS_TYPES_H
+
+#include "bcachefs_format.h"
+#include "util.h"
+
+#define BUCKET_JOURNAL_SEQ_BITS                16
+
+struct bucket {
+       u8                      lock;
+       u8                      gen_valid:1;
+       u8                      data_type:7;
+       u8                      gen;
+       u8                      stripe_redundancy;
+       u32                     stripe;
+       u32                     dirty_sectors;
+       u32                     cached_sectors;
+};
+
+struct bucket_array {
+       struct rcu_head         rcu;
+       u16                     first_bucket;
+       size_t                  nbuckets;
+       struct bucket           b[];
+};
+
+struct bucket_gens {
+       struct rcu_head         rcu;
+       u16                     first_bucket;
+       size_t                  nbuckets;
+       u8                      b[];
+};
+
+struct bch_dev_usage {
+       struct {
+               u64             buckets;
+               u64             sectors; /* _compressed_ sectors: */
+               /*
+                * XXX
+                * Why do we have this? Isn't it just buckets * bucket_size -
+                * sectors?
+                */
+               u64             fragmented;
+       }                       d[BCH_DATA_NR];
+};
+
+struct bch_fs_usage {
+       /* all fields are in units of 512 byte sectors: */
+       u64                     hidden;
+       u64                     btree;
+       u64                     data;
+       u64                     cached;
+       u64                     reserved;
+       u64                     nr_inodes;
+
+       /* XXX: add stats for compression ratio */
+#if 0
+       u64                     uncompressed;
+       u64                     compressed;
+#endif
+
+       /* broken out: */
+
+       u64                     persistent_reserved[BCH_REPLICAS_MAX];
+       u64                     replicas[];
+};
+
+struct bch_fs_usage_online {
+       u64                     online_reserved;
+       struct bch_fs_usage     u;
+};
+
+struct bch_fs_usage_short {
+       u64                     capacity;
+       u64                     used;
+       u64                     free;
+       u64                     nr_inodes;
+};
+
+/*
+ * A reservation for space on disk:
+ */
+struct disk_reservation {
+       u64                     sectors;
+       u32                     gen;
+       unsigned                nr_replicas;
+};
+
+#endif /* _BUCKETS_TYPES_H */