diff options
Diffstat (limited to 'fs/bcachefs/btree_update.h')
| -rw-r--r-- | fs/bcachefs/btree_update.h | 67 |
1 files changed, 32 insertions, 35 deletions
diff --git a/fs/bcachefs/btree_update.h b/fs/bcachefs/btree_update.h index 633de3b3ac28..18560ca80057 100644 --- a/fs/bcachefs/btree_update.h +++ b/fs/bcachefs/btree_update.h @@ -5,6 +5,7 @@ #include "btree_iter.h" #include "journal.h" #include "snapshot.h" +#include "super-io.h" struct bch_fs; struct btree; @@ -110,6 +111,22 @@ static inline int bch2_insert_snapshot_whiteouts(struct btree_trans *trans, : 0; } +static inline enum bch_bkey_type extent_whiteout_type(struct bch_fs *c, enum btree_id btree, + const struct bkey *k) +{ + /* + * KEY_TYPE_extent_whiteout indicates that there isn't a real extent + * present at that position: key start positions inclusive of + * KEY_TYPE_extent_whiteout (but not KEY_TYPE_whiteout) are + * monotonically increasing + */ + return btree_id_is_extents_snapshots(btree) && + bkey_deleted(k) && + !bch2_request_incompat_feature(c, bcachefs_metadata_version_extent_snapshot_whiteouts) + ? KEY_TYPE_extent_whiteout + : KEY_TYPE_whiteout; +} + 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); @@ -370,72 +387,52 @@ static inline struct bkey_i *bch2_bkey_make_mut(struct btree_trans *trans, bkey_i_to_##_type(__bch2_bkey_make_mut(_trans, _iter, _k, _flags,\ KEY_TYPE_##_type, sizeof(struct bkey_i_##_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, - enum btree_iter_update_trigger_flags flags, +static inline struct bkey_i *__bch2_bkey_get_mut_noupdate(struct btree_iter *iter, unsigned type, unsigned min_bytes) { - struct bkey_s_c k = __bch2_bkey_get_iter(trans, iter, - btree_id, pos, flags|BTREE_ITER_intent, type); - struct bkey_i *ret = IS_ERR(k.k) + struct bkey_s_c k = __bch2_bkey_get_typed(iter, type); + return IS_ERR(k.k) ? ERR_CAST(k.k) - : __bch2_bkey_make_mut_noupdate(trans, k, 0, min_bytes); - if (IS_ERR(ret)) - bch2_trans_iter_exit(trans, iter); - return ret; + : __bch2_bkey_make_mut_noupdate(iter->trans, k, 0, 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, - enum btree_iter_update_trigger_flags flags) +static inline struct bkey_i *bch2_bkey_get_mut_noupdate(struct btree_iter *iter) { - return __bch2_bkey_get_mut_noupdate(trans, iter, btree_id, pos, flags, 0, 0); + return __bch2_bkey_get_mut_noupdate(iter, 0, 0); } static inline struct bkey_i *__bch2_bkey_get_mut(struct btree_trans *trans, - struct btree_iter *iter, - unsigned btree_id, struct bpos pos, + enum btree_id btree, struct bpos pos, enum btree_iter_update_trigger_flags flags, unsigned type, unsigned min_bytes) { - struct bkey_i *mut = __bch2_bkey_get_mut_noupdate(trans, iter, - btree_id, pos, flags|BTREE_ITER_intent, type, min_bytes); - int ret; - + CLASS(btree_iter, iter)(trans, btree, pos, flags|BTREE_ITER_intent); + struct bkey_i *mut = __bch2_bkey_get_mut_noupdate(&iter, type, min_bytes); if (IS_ERR(mut)) return mut; - - ret = bch2_trans_update(trans, iter, mut, flags); - if (ret) { - bch2_trans_iter_exit(trans, iter); + int ret = bch2_trans_update(trans, &iter, mut, flags); + if (ret) return ERR_PTR(ret); - } - return mut; } static inline struct bkey_i *bch2_bkey_get_mut_minsize(struct btree_trans *trans, - struct btree_iter *iter, unsigned btree_id, struct bpos pos, enum btree_iter_update_trigger_flags flags, unsigned min_bytes) { - return __bch2_bkey_get_mut(trans, iter, btree_id, pos, flags, 0, min_bytes); + return __bch2_bkey_get_mut(trans, btree_id, pos, flags, 0, 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, enum btree_iter_update_trigger_flags flags) { - return __bch2_bkey_get_mut(trans, iter, btree_id, pos, flags, 0, 0); + return __bch2_bkey_get_mut(trans, btree_id, pos, flags, 0, 0); } -#define bch2_bkey_get_mut_typed(_trans, _iter, _btree_id, _pos, _flags, _type)\ - bkey_i_to_##_type(__bch2_bkey_get_mut(_trans, _iter, \ - _btree_id, _pos, _flags, \ +#define bch2_bkey_get_mut_typed(_trans, _btree_id, _pos, _flags, _type) \ + bkey_i_to_##_type(__bch2_bkey_get_mut(_trans, _btree_id, _pos, _flags, \ KEY_TYPE_##_type, sizeof(struct bkey_i_##_type))) static inline struct bkey_i *__bch2_bkey_alloc(struct btree_trans *trans, struct btree_iter *iter, |