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Diffstat (limited to 'fs/bcachefs/bkey_methods.h')
-rw-r--r-- | fs/bcachefs/bkey_methods.h | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/fs/bcachefs/bkey_methods.h b/fs/bcachefs/bkey_methods.h deleted file mode 100644 index bf34111cdf00..000000000000 --- a/fs/bcachefs/bkey_methods.h +++ /dev/null @@ -1,139 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _BCACHEFS_BKEY_METHODS_H -#define _BCACHEFS_BKEY_METHODS_H - -#include "bkey.h" - -struct bch_fs; -struct btree; -struct btree_trans; -struct bkey; -enum btree_node_type; - -extern const char * const bch2_bkey_types[]; -extern const struct bkey_ops bch2_bkey_null_ops; - -/* - * key_validate: checks validity of @k, returns 0 if good or -EINVAL if bad. If - * invalid, entire key will be deleted. - * - * When invalid, error string is returned via @err. @rw indicates whether key is - * being read or written; more aggressive checks can be enabled when rw == WRITE. - */ -struct bkey_ops { - int (*key_validate)(struct bch_fs *c, struct bkey_s_c k, - struct bkey_validate_context from); - void (*val_to_text)(struct printbuf *, struct bch_fs *, - struct bkey_s_c); - void (*swab)(struct bkey_s); - bool (*key_normalize)(struct bch_fs *, struct bkey_s); - bool (*key_merge)(struct bch_fs *, struct bkey_s, struct bkey_s_c); - int (*trigger)(struct btree_trans *, enum btree_id, unsigned, - struct bkey_s_c, struct bkey_s, - enum btree_iter_update_trigger_flags); - void (*compat)(enum btree_id id, unsigned version, - unsigned big_endian, int write, - struct bkey_s); - - /* Size of value type when first created: */ - unsigned min_val_size; -}; - -extern const struct bkey_ops bch2_bkey_ops[]; - -static inline const struct bkey_ops *bch2_bkey_type_ops(enum bch_bkey_type type) -{ - return likely(type < KEY_TYPE_MAX) - ? &bch2_bkey_ops[type] - : &bch2_bkey_null_ops; -} - -int bch2_bkey_val_validate(struct bch_fs *, struct bkey_s_c, - struct bkey_validate_context); -int __bch2_bkey_validate(struct bch_fs *, struct bkey_s_c, - struct bkey_validate_context); -int bch2_bkey_validate(struct bch_fs *, struct bkey_s_c, - struct bkey_validate_context); -int bch2_bkey_in_btree_node(struct bch_fs *, struct btree *, struct bkey_s_c, - struct bkey_validate_context from); - -void bch2_bpos_to_text(struct printbuf *, struct bpos); -void bch2_bkey_to_text(struct printbuf *, const struct bkey *); -void bch2_val_to_text(struct printbuf *, struct bch_fs *, - struct bkey_s_c); -void bch2_bkey_val_to_text(struct printbuf *, struct bch_fs *, - struct bkey_s_c); - -void bch2_bkey_swab_val(struct bkey_s); - -bool bch2_bkey_normalize(struct bch_fs *, struct bkey_s); - -static inline bool bch2_bkey_maybe_mergable(const struct bkey *l, const struct bkey *r) -{ - return l->type == r->type && - !bversion_cmp(l->bversion, r->bversion) && - bpos_eq(l->p, bkey_start_pos(r)); -} - -bool bch2_bkey_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c); - -static inline int bch2_key_trigger(struct btree_trans *trans, - enum btree_id btree, unsigned level, - struct bkey_s_c old, struct bkey_s new, - enum btree_iter_update_trigger_flags flags) -{ - const struct bkey_ops *ops = bch2_bkey_type_ops(old.k->type ?: new.k->type); - - return ops->trigger - ? ops->trigger(trans, btree, level, old, new, flags) - : 0; -} - -static inline int bch2_key_trigger_old(struct btree_trans *trans, - enum btree_id btree_id, unsigned level, - struct bkey_s_c old, - enum btree_iter_update_trigger_flags flags) -{ - struct bkey_i deleted; - - bkey_init(&deleted.k); - deleted.k.p = old.k->p; - - return bch2_key_trigger(trans, btree_id, level, old, bkey_i_to_s(&deleted), - BTREE_TRIGGER_overwrite|flags); -} - -static inline int bch2_key_trigger_new(struct btree_trans *trans, - enum btree_id btree_id, unsigned level, - struct bkey_s new, - enum btree_iter_update_trigger_flags flags) -{ - struct bkey_i deleted; - - bkey_init(&deleted.k); - deleted.k.p = new.k->p; - - return bch2_key_trigger(trans, btree_id, level, bkey_i_to_s_c(&deleted), new, - BTREE_TRIGGER_insert|flags); -} - -void bch2_bkey_renumber(enum btree_node_type, struct bkey_packed *, int); - -void __bch2_bkey_compat(unsigned, enum btree_id, unsigned, unsigned, - int, struct bkey_format *, struct bkey_packed *); - -static inline void bch2_bkey_compat(unsigned level, enum btree_id btree_id, - unsigned version, unsigned big_endian, - int write, - struct bkey_format *f, - struct bkey_packed *k) -{ - if (version < bcachefs_metadata_version_current || - big_endian != CPU_BIG_ENDIAN || - IS_ENABLED(CONFIG_BCACHEFS_DEBUG)) - __bch2_bkey_compat(level, btree_id, version, - big_endian, write, f, k); - -} - -#endif /* _BCACHEFS_BKEY_METHODS_H */ |