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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _BCACHEFS_REFLINK_H
   3 #define _BCACHEFS_REFLINK_H
   4
   5 int bch2_reflink_p_invalid(const struct bch_fs *, struct bkey_s_c,
   6                            int, struct printbuf *);
   7 void bch2_reflink_p_to_text(struct printbuf *, struct bch_fs *,
   8                             struct bkey_s_c);
   9 bool bch2_reflink_p_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
  10
  11 #define bch2_bkey_ops_reflink_p (struct bkey_ops) {             \
  12         .key_invalid    = bch2_reflink_p_invalid,               \
  13         .val_to_text    = bch2_reflink_p_to_text,               \
  14         .key_merge      = bch2_reflink_p_merge,                 \
  15         .trans_trigger  = bch2_trans_mark_reflink_p,            \
  16         .atomic_trigger = bch2_mark_reflink_p,                  \
  17 }
  18
  19 int bch2_reflink_v_invalid(const struct bch_fs *, struct bkey_s_c,
  20                            int, struct printbuf *);
  21 void bch2_reflink_v_to_text(struct printbuf *, struct bch_fs *,
  22                             struct bkey_s_c);
  23 int bch2_trans_mark_reflink_v(struct btree_trans *, enum btree_id, unsigned,
  24                               struct bkey_s_c, struct bkey_i *, unsigned);
  25
  26 #define bch2_bkey_ops_reflink_v (struct bkey_ops) {             \
  27         .key_invalid    = bch2_reflink_v_invalid,               \
  28         .val_to_text    = bch2_reflink_v_to_text,               \
  29         .swab           = bch2_ptr_swab,                        \
  30         .trans_trigger  = bch2_trans_mark_reflink_v,            \
  31         .atomic_trigger = bch2_mark_extent,                     \
  32 }
  33
  34 int bch2_indirect_inline_data_invalid(const struct bch_fs *, struct bkey_s_c,
  35                                       int, struct printbuf *);
  36 void bch2_indirect_inline_data_to_text(struct printbuf *,
  37                                 struct bch_fs *, struct bkey_s_c);
  38 int bch2_trans_mark_indirect_inline_data(struct btree_trans *,
  39                                          enum btree_id, unsigned,
  40                               struct bkey_s_c, struct bkey_i *,
  41                               unsigned);
  42
  43 #define bch2_bkey_ops_indirect_inline_data (struct bkey_ops) {  \
  44         .key_invalid    = bch2_indirect_inline_data_invalid,    \
  45         .val_to_text    = bch2_indirect_inline_data_to_text,    \
  46         .trans_trigger  = bch2_trans_mark_indirect_inline_data, \
  47 }
  48
  49 static inline const __le64 *bkey_refcount_c(struct bkey_s_c k)
  50 {
  51         switch (k.k->type) {
  52         case KEY_TYPE_reflink_v:
  53                 return &bkey_s_c_to_reflink_v(k).v->refcount;
  54         case KEY_TYPE_indirect_inline_data:
  55                 return &bkey_s_c_to_indirect_inline_data(k).v->refcount;
  56         default:
  57                 return NULL;
  58         }
  59 }
  60
  61 static inline __le64 *bkey_refcount(struct bkey_i *k)
  62 {
  63         switch (k->k.type) {
  64         case KEY_TYPE_reflink_v:
  65                 return &bkey_i_to_reflink_v(k)->v.refcount;
  66         case KEY_TYPE_indirect_inline_data:
  67                 return &bkey_i_to_indirect_inline_data(k)->v.refcount;
  68         default:
  69                 return NULL;
  70         }
  71 }
  72
  73 s64 bch2_remap_range(struct bch_fs *, subvol_inum, u64,
  74                      subvol_inum, u64, u64, u64, s64 *);
  75
  76 #endif /* _BCACHEFS_REFLINK_H */