fs/bcachefs/super_types.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _BCACHEFS_SUPER_TYPES_H
   3 #define _BCACHEFS_SUPER_TYPES_H
   4
   5 struct bch_sb_handle {
   6         struct bch_sb           *sb;
   7         struct file             *s_bdev_file;
   8         struct block_device     *bdev;
   9         char                    *sb_name;
  10         struct bio              *bio;
  11         void                    *holder;
  12         size_t                  buffer_size;
  13         blk_mode_t              mode;
  14         unsigned                have_layout:1;
  15         unsigned                have_bio:1;
  16         unsigned                fs_sb:1;
  17         u64                     seq;
  18 };
  19
  20 struct bch_devs_mask {
  21         unsigned long d[BITS_TO_LONGS(BCH_SB_MEMBERS_MAX)];
  22 };
  23
  24 struct bch_devs_list {
  25         u8                      nr;
  26         u8                      data[BCH_BKEY_PTRS_MAX];
  27 };
  28
  29 struct bch_member_cpu {
  30         u64                     nbuckets;       /* device size */
  31         u16                     first_bucket;   /* index of first bucket used */
  32         u16                     bucket_size;    /* sectors */
  33         u16                     group;
  34         u8                      state;
  35         u8                      discard;
  36         u8                      data_allowed;
  37         u8                      durability;
  38         u8                      freespace_initialized;
  39         u8                      valid;
  40         u8                      btree_bitmap_shift;
  41         u64                     btree_allocated_bitmap;
  42 };
  43
  44 #endif /* _BCACHEFS_SUPER_TYPES_H */