fs/bcachefs/ec_types.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _BCACHEFS_EC_TYPES_H
   3 #define _BCACHEFS_EC_TYPES_H
   4
   5 #include "bcachefs_format.h"
   6
   7 struct bch_replicas_padded {
   8         struct bch_replicas_entry_v1    e;
   9         u8                              pad[BCH_BKEY_PTRS_MAX];
  10 };
  11
  12 struct stripe {
  13         size_t                  heap_idx;
  14         u16                     sectors;
  15         u8                      algorithm;
  16         u8                      nr_blocks;
  17         u8                      nr_redundant;
  18         u8                      blocks_nonempty;
  19         u8                      disk_label;
  20 };
  21
  22 struct gc_stripe {
  23         u16                     sectors;
  24
  25         u8                      nr_blocks;
  26         u8                      nr_redundant;
  27
  28         unsigned                alive:1; /* does a corresponding key exist in stripes btree? */
  29         u16                     block_sectors[BCH_BKEY_PTRS_MAX];
  30         struct bch_extent_ptr   ptrs[BCH_BKEY_PTRS_MAX];
  31
  32         struct bch_replicas_padded r;
  33 };
  34
  35 struct ec_stripe_heap_entry {
  36         size_t                  idx;
  37         unsigned                blocks_nonempty;
  38 };
  39
  40 typedef DEFINE_MIN_HEAP(struct ec_stripe_heap_entry, ec_stripes_heap) ec_stripes_heap;
  41
  42 #endif /* _BCACHEFS_EC_TYPES_H */