git.sesse.net Git - bcachefs-tools-debian/blob - libbcachefs/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       e;
   9         u8                              pad[BCH_BKEY_PTRS_MAX];
  10 };
  11
  12 struct stripe {
  13         size_t                  heap_idx;
  14
  15         u16                     sectors;
  16         u8                      algorithm;
  17
  18         u8                      nr_blocks;
  19         u8                      nr_redundant;
  20
  21         unsigned                alive:1; /* does a corresponding key exist in stripes btree? */
  22         unsigned                on_heap:1;
  23         u8                      blocks_nonempty;
  24 };
  25
  26 struct gc_stripe {
  27         u16                     sectors;
  28
  29         u8                      nr_blocks;
  30         u8                      nr_redundant;
  31
  32         unsigned                alive:1; /* does a corresponding key exist in stripes btree? */
  33         u16                     block_sectors[BCH_BKEY_PTRS_MAX];
  34         struct bch_extent_ptr   ptrs[BCH_BKEY_PTRS_MAX];
  35
  36         struct bch_replicas_padded r;
  37 };
  38
  39 struct ec_stripe_heap_entry {
  40         size_t                  idx;
  41         unsigned                blocks_nonempty;
  42 };
  43
  44 typedef HEAP(struct ec_stripe_heap_entry) ec_stripes_heap;
  45
  46 #endif /* _BCACHEFS_EC_TYPES_H */