git.sesse.net Git - bcachefs-tools-debian/blob - libbcachefs/super_types.h

   1 #ifndef _BCACHEFS_SUPER_TYPES_H
   2 #define _BCACHEFS_SUPER_TYPES_H
   3
   4 struct bch_sb_handle {
   5         struct bch_sb           *sb;
   6         struct block_device     *bdev;
   7         struct bio              *bio;
   8         unsigned                page_order;
   9         fmode_t                 mode;
  10 };
  11
  12 struct bch_devs_mask {
  13         unsigned long d[BITS_TO_LONGS(BCH_SB_MEMBERS_MAX)];
  14 };
  15
  16 struct bch_devs_list {
  17         u8                      nr;
  18         u8                      devs[BCH_REPLICAS_MAX + 1];
  19 };
  20
  21 struct bch_member_cpu {
  22         u64                     nbuckets;       /* device size */
  23         u16                     first_bucket;   /* index of first bucket used */
  24         u16                     bucket_size;    /* sectors */
  25         u16                     group;
  26         u8                      state;
  27         u8                      tier;
  28         u8                      replacement;
  29         u8                      discard;
  30         u8                      data_allowed;
  31         u8                      valid;
  32 };
  33
  34 struct bch_replicas_cpu_entry {
  35         u8                      data_type;
  36         u8                      devs[BCH_SB_MEMBERS_MAX / 8];
  37 };
  38
  39 struct bch_replicas_cpu {
  40         struct rcu_head         rcu;
  41         unsigned                nr;
  42         unsigned                entry_size;
  43         struct bch_replicas_cpu_entry entries[];
  44 };
  45
  46 struct bch_disk_group_cpu {
  47         struct bch_devs_mask            devs;
  48         bool                            deleted;
  49 };
  50
  51 struct bch_disk_groups_cpu {
  52         struct rcu_head                 rcu;
  53         unsigned                        nr;
  54         struct bch_disk_group_cpu       entries[];
  55 };
  56
  57 #endif /* _BCACHEFS_SUPER_TYPES_H */