/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHEFS_BTREE_UPDATE_H #define _BCACHEFS_BTREE_UPDATE_H #include "btree_iter.h" #include "journal.h" struct bch_fs; struct btree; void bch2_btree_node_prep_for_write(struct btree_trans *, struct btree_path *, struct btree *); bool bch2_btree_bset_insert_key(struct btree_trans *, struct btree_path *, struct btree *, struct btree_node_iter *, struct bkey_i *); int bch2_btree_node_flush0(struct journal *, struct journal_entry_pin *, u64); int bch2_btree_node_flush1(struct journal *, struct journal_entry_pin *, u64); void bch2_btree_add_journal_pin(struct bch_fs *, struct btree *, u64); void bch2_btree_insert_key_leaf(struct btree_trans *, struct btree_path *, struct bkey_i *, u64); #define BCH_TRANS_COMMIT_FLAGS() … enum __bch_trans_commit_flags { … }; enum bch_trans_commit_flags { … }; void bch2_trans_commit_flags_to_text(struct printbuf *, enum bch_trans_commit_flags); int bch2_btree_delete_extent_at(struct btree_trans *, struct btree_iter *, unsigned, unsigned); int bch2_btree_delete_at(struct btree_trans *, struct btree_iter *, unsigned); int bch2_btree_delete(struct btree_trans *, enum btree_id, struct bpos, unsigned); int bch2_btree_insert_nonextent(struct btree_trans *, enum btree_id, struct bkey_i *, enum btree_iter_update_trigger_flags); int bch2_btree_insert_trans(struct btree_trans *, enum btree_id, struct bkey_i *, enum btree_iter_update_trigger_flags); int bch2_btree_insert(struct bch_fs *, enum btree_id, struct bkey_i *, struct disk_reservation *, int flags, enum btree_iter_update_trigger_flags iter_flags); int bch2_btree_delete_range_trans(struct btree_trans *, enum btree_id, struct bpos, struct bpos, unsigned, u64 *); int bch2_btree_delete_range(struct bch_fs *, enum btree_id, struct bpos, struct bpos, unsigned, u64 *); int bch2_btree_bit_mod(struct btree_trans *, enum btree_id, struct bpos, bool); int bch2_btree_bit_mod_buffered(struct btree_trans *, enum btree_id, struct bpos, bool); static inline int bch2_btree_delete_at_buffered(struct btree_trans *trans, enum btree_id btree, struct bpos pos) { … } int __bch2_insert_snapshot_whiteouts(struct btree_trans *, enum btree_id, struct bpos, struct bpos); /* * For use when splitting extents in existing snapshots: * * If @old_pos is an interior snapshot node, iterate over descendent snapshot * nodes: for every descendent snapshot in whiche @old_pos is overwritten and * not visible, emit a whiteout at @new_pos. */ static inline int bch2_insert_snapshot_whiteouts(struct btree_trans *trans, enum btree_id btree, struct bpos old_pos, struct bpos new_pos) { … } int bch2_trans_update_extent_overwrite(struct btree_trans *, struct btree_iter *, enum btree_iter_update_trigger_flags, struct bkey_s_c, struct bkey_s_c); int bch2_bkey_get_empty_slot(struct btree_trans *, struct btree_iter *, enum btree_id, struct bpos); int __must_check bch2_trans_update(struct btree_trans *, struct btree_iter *, struct bkey_i *, enum btree_iter_update_trigger_flags); struct jset_entry *__bch2_trans_jset_entry_alloc(struct btree_trans *, unsigned); static inline struct jset_entry *btree_trans_journal_entries_top(struct btree_trans *trans) { … } static inline struct jset_entry * bch2_trans_jset_entry_alloc(struct btree_trans *trans, unsigned u64s) { … } int bch2_btree_insert_clone_trans(struct btree_trans *, enum btree_id, struct bkey_i *); static inline int __must_check bch2_trans_update_buffered(struct btree_trans *trans, enum btree_id btree, struct bkey_i *k) { … } void bch2_trans_commit_hook(struct btree_trans *, struct btree_trans_commit_hook *); int __bch2_trans_commit(struct btree_trans *, unsigned); __printf(2, 3) int bch2_fs_log_msg(struct bch_fs *, const char *, ...); __printf(2, 3) int bch2_journal_log_msg(struct bch_fs *, const char *, ...); /** * bch2_trans_commit - insert keys at given iterator positions * * This is main entry point for btree updates. * * Return values: * -EROFS: filesystem read only * -EIO: journal or btree node IO error */ static inline int bch2_trans_commit(struct btree_trans *trans, struct disk_reservation *disk_res, u64 *journal_seq, unsigned flags) { … } #define commit_do(_trans, _disk_res, _journal_seq, _flags, _do) … #define nested_commit_do(_trans, _disk_res, _journal_seq, _flags, _do) … #define bch2_trans_do(_c, _disk_res, _journal_seq, _flags, _do) … #define trans_for_each_update(_trans, _i) … static inline void bch2_trans_reset_updates(struct btree_trans *trans) { … } static inline struct bkey_i *__bch2_bkey_make_mut_noupdate(struct btree_trans *trans, struct bkey_s_c k, unsigned type, unsigned min_bytes) { … } static inline struct bkey_i *bch2_bkey_make_mut_noupdate(struct btree_trans *trans, struct bkey_s_c k) { … } #define bch2_bkey_make_mut_noupdate_typed(_trans, _k, _type) … static inline struct bkey_i *__bch2_bkey_make_mut(struct btree_trans *trans, struct btree_iter *iter, struct bkey_s_c *k, unsigned flags, unsigned type, unsigned min_bytes) { … } static inline struct bkey_i *bch2_bkey_make_mut(struct btree_trans *trans, struct btree_iter *iter, struct bkey_s_c *k, unsigned flags) { … } #define bch2_bkey_make_mut_typed(_trans, _iter, _k, _flags, _type) … static inline struct bkey_i *__bch2_bkey_get_mut_noupdate(struct btree_trans *trans, struct btree_iter *iter, unsigned btree_id, struct bpos pos, unsigned flags, unsigned type, unsigned min_bytes) { … } static inline struct bkey_i *bch2_bkey_get_mut_noupdate(struct btree_trans *trans, struct btree_iter *iter, unsigned btree_id, struct bpos pos, unsigned flags) { … } static inline struct bkey_i *__bch2_bkey_get_mut(struct btree_trans *trans, struct btree_iter *iter, unsigned btree_id, struct bpos pos, unsigned flags, unsigned type, unsigned min_bytes) { … } static inline struct bkey_i *bch2_bkey_get_mut_minsize(struct btree_trans *trans, struct btree_iter *iter, unsigned btree_id, struct bpos pos, unsigned flags, unsigned min_bytes) { … } static inline struct bkey_i *bch2_bkey_get_mut(struct btree_trans *trans, struct btree_iter *iter, unsigned btree_id, struct bpos pos, unsigned flags) { … } #define bch2_bkey_get_mut_typed(_trans, _iter, _btree_id, _pos, _flags, _type) … static inline struct bkey_i *__bch2_bkey_alloc(struct btree_trans *trans, struct btree_iter *iter, unsigned flags, unsigned type, unsigned val_size) { … } #define bch2_bkey_alloc(_trans, _iter, _flags, _type) … #endif /* _BCACHEFS_BTREE_UPDATE_H */
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