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         unsigned                have_layout:1;
  11         unsigned                have_bio:1;
  12         unsigned                fs_sb:1;
  13 };
  14
  15 struct bch_devs_mask {
  16         unsigned long d[BITS_TO_LONGS(BCH_SB_MEMBERS_MAX)];
  17 };
  18
  19 struct bch_devs_list {
  20         u8                      nr;
  21         u8                      devs[BCH_REPLICAS_MAX + 1];
  22 };
  23
  24 struct bch_member_cpu {
  25         u64                     nbuckets;       /* device size */
  26         u16                     first_bucket;   /* index of first bucket used */
  27         u16                     bucket_size;    /* sectors */
  28         u16                     group;
  29         u8                      state;
  30         u8                      replacement;
  31         u8                      discard;
  32         u8                      data_allowed;
  33         u8                      durability;
  34         u8                      valid;
  35 };
  36
  37 struct bch_disk_group_cpu {
  38         bool                            deleted;
  39         u16                             parent;
  40         struct bch_devs_mask            devs;
  41 };
  42
  43 struct bch_disk_groups_cpu {
  44         struct rcu_head                 rcu;
  45         unsigned                        nr;
  46         struct bch_disk_group_cpu       entries[];
  47 };
  48
  49 #endif /* _BCACHEFS_SUPER_TYPES_H */