X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libbcachefs%2Fbtree_update.h;h=771e4b239c66b234883363c1d222662fdbc2948b;hb=1b2d60826974e31b9894b6d5aa59b0e7e62823cd;hp=bab135fae0b0bbd9225c308eb5b9fda8868a70c4;hpb=669fc107c60dbb86e337ff78fd7be60b0f5baf18;p=bcachefs-tools-debian diff --git a/libbcachefs/btree_update.h b/libbcachefs/btree_update.h index bab135f..771e4b2 100644 --- a/libbcachefs/btree_update.h +++ b/libbcachefs/btree_update.h @@ -8,20 +8,23 @@ struct bch_fs; struct btree; -void bch2_btree_node_lock_for_insert(struct btree_trans *, struct btree_iter *, - struct btree *); -bool bch2_btree_bset_insert_key(struct btree_iter *, struct btree *, - struct btree_node_iter *, struct bkey_i *); +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 *); 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); + enum btree_insert_flags { - __BTREE_INSERT_NOUNLOCK, - __BTREE_INSERT_NOFAIL, + /* First two bits for journal watermark: */ + __BTREE_INSERT_NOFAIL = 2, __BTREE_INSERT_NOCHECK_RW, __BTREE_INSERT_LAZY_RW, __BTREE_INSERT_USE_RESERVE, __BTREE_INSERT_JOURNAL_REPLAY, - __BTREE_INSERT_JOURNAL_RESERVED, __BTREE_INSERT_JOURNAL_RECLAIM, __BTREE_INSERT_NOWAIT, __BTREE_INSERT_GC_LOCK_HELD, @@ -29,11 +32,6 @@ enum btree_insert_flags { __BCH_HASH_SET_MUST_REPLACE, }; -/* - * Don't drop locks _after_ successfully updating btree: - */ -#define BTREE_INSERT_NOUNLOCK (1 << __BTREE_INSERT_NOUNLOCK) - /* Don't check for -ENOSPC: */ #define BTREE_INSERT_NOFAIL (1 << __BTREE_INSERT_NOFAIL) @@ -46,9 +44,6 @@ enum btree_insert_flags { /* Insert is for journal replay - don't get journal reservations: */ #define BTREE_INSERT_JOURNAL_REPLAY (1 << __BTREE_INSERT_JOURNAL_REPLAY) -/* Indicates that we have pre-reserved space in the journal: */ -#define BTREE_INSERT_JOURNAL_RESERVED (1 << __BTREE_INSERT_JOURNAL_RESERVED) - /* Insert is being called from journal reclaim path: */ #define BTREE_INSERT_JOURNAL_RECLAIM (1 << __BTREE_INSERT_JOURNAL_RECLAIM) @@ -59,30 +54,42 @@ enum btree_insert_flags { #define BCH_HASH_SET_MUST_CREATE (1 << __BCH_HASH_SET_MUST_CREATE) #define BCH_HASH_SET_MUST_REPLACE (1 << __BCH_HASH_SET_MUST_REPLACE) +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_insert(struct btree_trans *, enum btree_id, struct bkey_i *); +int __bch2_btree_insert(struct btree_trans *, enum btree_id, struct bkey_i *, + enum btree_update_flags); int bch2_btree_insert(struct bch_fs *, enum btree_id, struct bkey_i *, struct disk_reservation *, u64 *, int flags); int bch2_btree_delete_range_trans(struct btree_trans *, enum btree_id, - struct bpos, struct bpos, u64 *); + struct bpos, struct bpos, unsigned, u64 *); int bch2_btree_delete_range(struct bch_fs *, enum btree_id, - struct bpos, struct bpos, u64 *); + struct bpos, struct bpos, unsigned, u64 *); int bch2_btree_node_rewrite(struct btree_trans *, struct btree_iter *, - __le64, unsigned); + struct btree *, unsigned); void bch2_btree_node_rewrite_async(struct bch_fs *, struct btree *); int bch2_btree_node_update_key(struct btree_trans *, struct btree_iter *, struct btree *, struct bkey_i *, bool); int bch2_btree_node_update_key_get_iter(struct btree_trans *, struct btree *, struct bkey_i *, bool); -int bch2_trans_update(struct btree_trans *, struct btree_iter *, - struct bkey_i *, enum btree_update_flags); +int bch2_trans_update_extent(struct btree_trans *, struct btree_iter *, + struct bkey_i *, enum btree_update_flags); + +int __must_check bch2_trans_update(struct btree_trans *, struct btree_iter *, + struct bkey_i *, enum btree_update_flags); +int __must_check bch2_trans_update_buffered(struct btree_trans *, + enum btree_id, struct bkey_i *); + void bch2_trans_commit_hook(struct btree_trans *, struct btree_trans_commit_hook *); -int __bch2_trans_commit(struct btree_trans *); +int __bch2_trans_commit(struct btree_trans *, unsigned); + +int bch2_trans_log_msg(struct btree_trans *, const char *, ...); +int bch2_fs_log_msg(struct bch_fs *, const char *, ...); /** * bch2_trans_commit - insert keys at given iterator positions @@ -90,7 +97,6 @@ int __bch2_trans_commit(struct btree_trans *); * This is main entry point for btree updates. * * Return values: - * -EINTR: locking changed, this function should be called again. * -EROFS: filesystem read only * -EIO: journal or btree node IO error */ @@ -101,40 +107,40 @@ static inline int bch2_trans_commit(struct btree_trans *trans, { trans->disk_res = disk_res; trans->journal_seq = journal_seq; - trans->flags = flags; - return __bch2_trans_commit(trans); + return __bch2_trans_commit(trans, flags); } -#define lockrestart_do(_trans, _do) \ +#define commit_do(_trans, _disk_res, _journal_seq, _flags, _do) \ + lockrestart_do(_trans, _do ?: bch2_trans_commit(_trans, (_disk_res),\ + (_journal_seq), (_flags))) + +#define nested_commit_do(_trans, _disk_res, _journal_seq, _flags, _do) \ + nested_lockrestart_do(_trans, _do ?: bch2_trans_commit(_trans, (_disk_res),\ + (_journal_seq), (_flags))) + +#define bch2_trans_do(_c, _disk_res, _journal_seq, _flags, _do) \ ({ \ + struct btree_trans trans; \ int _ret; \ \ - while (1) { \ - _ret = (_do); \ - if (_ret != -EINTR) \ - break; \ - bch2_trans_reset(_trans, 0); \ - } \ + bch2_trans_init(&trans, (_c), 0, 0); \ + _ret = commit_do(&trans, _disk_res, _journal_seq, _flags, _do); \ + bch2_trans_exit(&trans); \ \ _ret; \ }) -#define __bch2_trans_do(_trans, _disk_res, _journal_seq, _flags, _do) \ - lockrestart_do(_trans, _do ?: bch2_trans_commit(_trans, (_disk_res),\ - (_journal_seq), (_flags))) - -#define bch2_trans_do(_c, _disk_res, _journal_seq, _flags, _do) \ +#define bch2_trans_run(_c, _do) \ ({ \ struct btree_trans trans; \ - int _ret, _ret2; \ + int _ret; \ \ bch2_trans_init(&trans, (_c), 0, 0); \ - _ret = __bch2_trans_do(&trans, _disk_res, _journal_seq, _flags, \ - _do); \ - _ret2 = bch2_trans_exit(&trans); \ + _ret = (_do); \ + bch2_trans_exit(&trans); \ \ - _ret ?: _ret2; \ + _ret; \ }) #define trans_for_each_update(_trans, _i) \ @@ -142,4 +148,32 @@ static inline int bch2_trans_commit(struct btree_trans *trans, (_i) < (_trans)->updates + (_trans)->nr_updates; \ (_i)++) +#define trans_for_each_wb_update(_trans, _i) \ + for ((_i) = (_trans)->wb_updates; \ + (_i) < (_trans)->wb_updates + (_trans)->nr_wb_updates; \ + (_i)++) + +static inline void bch2_trans_reset_updates(struct btree_trans *trans) +{ + struct btree_insert_entry *i; + + trans_for_each_update(trans, i) + bch2_path_put(trans, i->path, true); + + trans->extra_journal_res = 0; + trans->nr_updates = 0; + trans->nr_wb_updates = 0; + trans->wb_updates = NULL; + trans->hooks = NULL; + trans->extra_journal_entries.nr = 0; + + if (trans->fs_usage_deltas) { + trans->fs_usage_deltas->used = 0; + memset((void *) trans->fs_usage_deltas + + offsetof(struct replicas_delta_list, memset_start), 0, + (void *) &trans->fs_usage_deltas->memset_end - + (void *) &trans->fs_usage_deltas->memset_start); + } +} + #endif /* _BCACHEFS_BTREE_UPDATE_H */