diff options
Diffstat (limited to '')
-rw-r--r-- | fs/bcachefs/btree_trans_commit.c | 342 |
1 files changed, 153 insertions, 189 deletions
diff --git a/fs/bcachefs/btree_trans_commit.c b/fs/bcachefs/btree_trans_commit.c index 12907beda9..30d69a6d13 100644 --- a/fs/bcachefs/btree_trans_commit.c +++ b/fs/bcachefs/btree_trans_commit.c @@ -12,6 +12,7 @@ #include "errcode.h" #include "error.h" #include "journal.h" +#include "journal_io.h" #include "journal_reclaim.h" #include "replicas.h" #include "snapshot.h" @@ -23,7 +24,7 @@ static void verify_update_old_key(struct btree_trans *trans, struct btree_insert #ifdef CONFIG_BCACHEFS_DEBUG struct bch_fs *c = trans->c; struct bkey u; - struct bkey_s_c k = bch2_btree_path_peek_slot_exact(i->path, &u); + struct bkey_s_c k = bch2_btree_path_peek_slot_exact(trans->paths + i->path, &u); if (unlikely(trans->journal_replay_not_finished)) { struct bkey_i *j_k = @@ -41,23 +42,23 @@ static void verify_update_old_key(struct btree_trans *trans, struct btree_insert #endif } -static inline struct btree_path_level *insert_l(struct btree_insert_entry *i) +static inline struct btree_path_level *insert_l(struct btree_trans *trans, struct btree_insert_entry *i) { - return i->path->l + i->level; + return (trans->paths + i->path)->l + i->level; } static inline bool same_leaf_as_prev(struct btree_trans *trans, struct btree_insert_entry *i) { return i != trans->updates && - insert_l(&i[0])->b == insert_l(&i[-1])->b; + insert_l(trans, &i[0])->b == insert_l(trans, &i[-1])->b; } static inline bool same_leaf_as_next(struct btree_trans *trans, struct btree_insert_entry *i) { return i + 1 < trans->updates + trans->nr_updates && - insert_l(&i[0])->b == insert_l(&i[1])->b; + insert_l(trans, &i[0])->b == insert_l(trans, &i[1])->b; } inline void bch2_btree_node_prep_for_write(struct btree_trans *trans, @@ -84,7 +85,7 @@ static noinline int trans_lock_write_fail(struct btree_trans *trans, struct btre if (same_leaf_as_prev(trans, i)) continue; - bch2_btree_node_unlock_write(trans, i->path, insert_l(i)->b); + bch2_btree_node_unlock_write(trans, trans->paths + i->path, insert_l(trans, i)->b); } trace_and_count(trans->c, trans_restart_would_deadlock_write, trans); @@ -93,19 +94,17 @@ static noinline int trans_lock_write_fail(struct btree_trans *trans, struct btre static inline int bch2_trans_lock_write(struct btree_trans *trans) { - struct btree_insert_entry *i; - EBUG_ON(trans->write_locked); trans_for_each_update(trans, i) { if (same_leaf_as_prev(trans, i)) continue; - if (bch2_btree_node_lock_write(trans, i->path, &insert_l(i)->b->c)) + if (bch2_btree_node_lock_write(trans, trans->paths + i->path, &insert_l(trans, i)->b->c)) return trans_lock_write_fail(trans, i); if (!i->cached) - bch2_btree_node_prep_for_write(trans, i->path, insert_l(i)->b); + bch2_btree_node_prep_for_write(trans, trans->paths + i->path, insert_l(trans, i)->b); } trans->write_locked = true; @@ -115,12 +114,10 @@ static inline int bch2_trans_lock_write(struct btree_trans *trans) static inline void bch2_trans_unlock_write(struct btree_trans *trans) { if (likely(trans->write_locked)) { - struct btree_insert_entry *i; - trans_for_each_update(trans, i) if (!same_leaf_as_prev(trans, i)) - bch2_btree_node_unlock_write_inlined(trans, i->path, - insert_l(i)->b); + bch2_btree_node_unlock_write_inlined(trans, + trans->paths + i->path, insert_l(trans, i)->b); trans->write_locked = false; } } @@ -142,8 +139,7 @@ bool bch2_btree_bset_insert_key(struct btree_trans *trans, EBUG_ON(bkey_deleted(&insert->k) && bkey_val_u64s(&insert->k)); EBUG_ON(bpos_lt(insert->k.p, b->data->min_key)); EBUG_ON(bpos_gt(insert->k.p, b->data->max_key)); - EBUG_ON(insert->k.u64s > - bch_btree_keys_u64s_remaining(trans->c, b)); + EBUG_ON(insert->k.u64s > bch2_btree_keys_u64s_remaining(b)); EBUG_ON(!b->c.level && !bpos_eq(insert->k.p, path->pos)); k = bch2_btree_node_iter_peek_all(node_iter, b); @@ -163,7 +159,7 @@ bool bch2_btree_bset_insert_key(struct btree_trans *trans, k->type = KEY_TYPE_deleted; if (k->needs_whiteout) - push_whiteout(trans->c, b, insert->k.p); + push_whiteout(b, insert->k.p); k->needs_whiteout = false; if (k >= btree_bset_last(b)->start) { @@ -287,7 +283,7 @@ inline void bch2_btree_insert_key_leaf(struct btree_trans *trans, bch2_btree_add_journal_pin(c, b, journal_seq); if (unlikely(!btree_node_dirty(b))) { - EBUG_ON(test_bit(BCH_FS_CLEAN_SHUTDOWN, &c->flags)); + EBUG_ON(test_bit(BCH_FS_clean_shutdown, &c->flags)); set_btree_node_dirty_acct(c, b); } @@ -311,10 +307,12 @@ inline void bch2_btree_insert_key_leaf(struct btree_trans *trans, static inline void btree_insert_entry_checks(struct btree_trans *trans, struct btree_insert_entry *i) { - BUG_ON(!bpos_eq(i->k->k.p, i->path->pos)); - BUG_ON(i->cached != i->path->cached); - BUG_ON(i->level != i->path->level); - BUG_ON(i->btree_id != i->path->btree_id); + struct btree_path *path = trans->paths + i->path; + + BUG_ON(!bpos_eq(i->k->k.p, path->pos)); + BUG_ON(i->cached != path->cached); + BUG_ON(i->level != path->level); + BUG_ON(i->btree_id != path->btree_id); EBUG_ON(!i->level && btree_type_has_snapshots(i->btree_id) && !(i->flags & BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE) && @@ -349,9 +347,7 @@ static noinline void journal_transaction_name(struct btree_trans *trans) static inline int btree_key_can_insert(struct btree_trans *trans, struct btree *b, unsigned u64s) { - struct bch_fs *c = trans->c; - - if (!bch2_btree_node_insert_fits(c, b, u64s)) + if (!bch2_btree_node_insert_fits(b, u64s)) return -BCH_ERR_btree_insert_btree_node_full; return 0; @@ -361,8 +357,6 @@ noinline static int btree_key_can_insert_cached_slowpath(struct btree_trans *trans, unsigned flags, struct btree_path *path, unsigned new_u64s) { - struct bch_fs *c = trans->c; - struct btree_insert_entry *i; struct bkey_cached *ck = (void *) path->l[0].b; struct bkey_i *new_k; int ret; @@ -372,7 +366,7 @@ btree_key_can_insert_cached_slowpath(struct btree_trans *trans, unsigned flags, new_k = kmalloc(new_u64s * sizeof(u64), GFP_KERNEL); if (!new_k) { - bch_err(c, "error allocating memory for key cache key, btree %s u64s %u", + bch_err(trans->c, "error allocating memory for key cache key, btree %s u64s %u", bch2_btree_id_str(path->btree_id), new_u64s); return -BCH_ERR_ENOMEM_btree_key_cache_insert; } @@ -401,7 +395,6 @@ static int btree_key_can_insert_cached(struct btree_trans *trans, unsigned flags { struct bch_fs *c = trans->c; struct bkey_cached *ck = (void *) path->l[0].b; - struct btree_insert_entry *i; unsigned new_u64s; struct bkey_i *new_k; @@ -409,7 +402,7 @@ static int btree_key_can_insert_cached(struct btree_trans *trans, unsigned flags if (!test_bit(BKEY_CACHED_DIRTY, &ck->flags) && bch2_btree_key_cache_must_wait(c) && - !(flags & BTREE_INSERT_JOURNAL_RECLAIM)) + !(flags & BCH_TRANS_COMMIT_journal_reclaim)) return -BCH_ERR_btree_insert_need_journal_reclaim; /* @@ -422,7 +415,7 @@ static int btree_key_can_insert_cached(struct btree_trans *trans, unsigned flags return 0; new_u64s = roundup_pow_of_two(u64s); - new_k = krealloc(ck->k, new_u64s * sizeof(u64), GFP_NOWAIT); + new_k = krealloc(ck->k, new_u64s * sizeof(u64), GFP_NOWAIT|__GFP_NOWARN); if (unlikely(!new_k)) return btree_key_can_insert_cached_slowpath(trans, flags, path, new_u64s); @@ -452,25 +445,15 @@ static int run_one_mem_trigger(struct btree_trans *trans, if (unlikely(flags & BTREE_TRIGGER_NORUN)) return 0; - if (!btree_node_type_needs_gc(__btree_node_type(i->level, i->btree_id))) - return 0; - - if (old_ops->atomic_trigger == new_ops->atomic_trigger) { - ret = bch2_mark_key(trans, i->btree_id, i->level, - old, bkey_i_to_s_c(new), + if (old_ops->trigger == new_ops->trigger) { + ret = bch2_key_trigger(trans, i->btree_id, i->level, + old, bkey_i_to_s(new), BTREE_TRIGGER_INSERT|BTREE_TRIGGER_OVERWRITE|flags); } else { - struct bkey _deleted = KEY(0, 0, 0); - struct bkey_s_c deleted = (struct bkey_s_c) { &_deleted, NULL }; - - _deleted.p = i->path->pos; - - ret = bch2_mark_key(trans, i->btree_id, i->level, - deleted, bkey_i_to_s_c(new), - BTREE_TRIGGER_INSERT|flags) ?: - bch2_mark_key(trans, i->btree_id, i->level, - old, deleted, - BTREE_TRIGGER_OVERWRITE|flags); + ret = bch2_key_trigger_new(trans, i->btree_id, i->level, + bkey_i_to_s(new), flags) ?: + bch2_key_trigger_old(trans, i->btree_id, i->level, + old, flags); } return ret; @@ -488,6 +471,7 @@ static int run_one_trans_trigger(struct btree_trans *trans, struct btree_insert_ struct bkey_s_c old = { &old_k, i->old_v }; const struct bkey_ops *old_ops = bch2_bkey_type_ops(old.k->type); const struct bkey_ops *new_ops = bch2_bkey_type_ops(i->k->k.type); + unsigned flags = i->flags|BTREE_TRIGGER_TRANSACTIONAL; verify_update_old_key(trans, i); @@ -497,19 +481,18 @@ static int run_one_trans_trigger(struct btree_trans *trans, struct btree_insert_ if (!i->insert_trigger_run && !i->overwrite_trigger_run && - old_ops->trans_trigger == new_ops->trans_trigger) { + old_ops->trigger == new_ops->trigger) { i->overwrite_trigger_run = true; i->insert_trigger_run = true; - return bch2_trans_mark_key(trans, i->btree_id, i->level, old, i->k, - BTREE_TRIGGER_INSERT| - BTREE_TRIGGER_OVERWRITE| - i->flags) ?: 1; + return bch2_key_trigger(trans, i->btree_id, i->level, old, bkey_i_to_s(i->k), + BTREE_TRIGGER_INSERT| + BTREE_TRIGGER_OVERWRITE|flags) ?: 1; } else if (overwrite && !i->overwrite_trigger_run) { i->overwrite_trigger_run = true; - return bch2_trans_mark_old(trans, i->btree_id, i->level, old, i->flags) ?: 1; + return bch2_key_trigger_old(trans, i->btree_id, i->level, old, flags) ?: 1; } else if (!overwrite && !i->insert_trigger_run) { i->insert_trigger_run = true; - return bch2_trans_mark_new(trans, i->btree_id, i->level, i->k, i->flags) ?: 1; + return bch2_key_trigger_new(trans, i->btree_id, i->level, bkey_i_to_s(i->k), flags) ?: 1; } else { return 0; } @@ -551,7 +534,7 @@ static int run_btree_triggers(struct btree_trans *trans, enum btree_id btree_id, static int bch2_trans_commit_run_triggers(struct btree_trans *trans) { - struct btree_insert_entry *i = NULL, *btree_id_start = trans->updates; + struct btree_insert_entry *btree_id_start = trans->updates; unsigned btree_id = 0; int ret = 0; @@ -597,10 +580,6 @@ static int bch2_trans_commit_run_triggers(struct btree_trans *trans) static noinline int bch2_trans_commit_run_gc_triggers(struct btree_trans *trans) { - struct bch_fs *c = trans->c; - struct btree_insert_entry *i; - int ret = 0; - trans_for_each_update(trans, i) { /* * XXX: synchronization of cached update triggers with gc @@ -608,14 +587,15 @@ static noinline int bch2_trans_commit_run_gc_triggers(struct btree_trans *trans) */ BUG_ON(i->cached || i->level); - if (gc_visited(c, gc_pos_btree_node(insert_l(i)->b))) { - ret = run_one_mem_trigger(trans, i, i->flags|BTREE_TRIGGER_GC); + if (btree_node_type_needs_gc(__btree_node_type(i->level, i->btree_id)) && + gc_visited(trans->c, gc_pos_btree_node(insert_l(trans, i)->b))) { + int ret = run_one_mem_trigger(trans, i, i->flags|BTREE_TRIGGER_GC); if (ret) - break; + return ret; } } - return ret; + return 0; } static inline int @@ -624,8 +604,6 @@ bch2_trans_commit_write_locked(struct btree_trans *trans, unsigned flags, unsigned long trace_ip) { struct bch_fs *c = trans->c; - struct btree_insert_entry *i; - struct btree_write_buffered_key *wb; struct btree_trans_commit_hook *h; unsigned u64s = 0; int ret; @@ -650,23 +628,21 @@ bch2_trans_commit_write_locked(struct btree_trans *trans, unsigned flags, u64s += i->k->k.u64s; ret = !i->cached - ? btree_key_can_insert(trans, insert_l(i)->b, u64s) - : btree_key_can_insert_cached(trans, flags, i->path, u64s); + ? btree_key_can_insert(trans, insert_l(trans, i)->b, u64s) + : btree_key_can_insert_cached(trans, flags, trans->paths + i->path, u64s); if (ret) { *stopped_at = i; return ret; } - } - if (trans->nr_wb_updates && - trans->nr_wb_updates + c->btree_write_buffer.state.nr > c->btree_write_buffer.size) - return -BCH_ERR_btree_insert_need_flush_buffer; + i->k->k.needs_whiteout = false; + } /* * Don't get journal reservation until after we know insert will * succeed: */ - if (likely(!(flags & BTREE_INSERT_JOURNAL_REPLAY))) { + if (likely(!(flags & BCH_TRANS_COMMIT_no_journal_res))) { ret = bch2_trans_journal_res_get(trans, (flags & BCH_WATERMARK_MASK)| JOURNAL_RES_GET_NONBLOCK); @@ -675,8 +651,6 @@ bch2_trans_commit_write_locked(struct btree_trans *trans, unsigned flags, if (unlikely(trans->journal_transaction_names)) journal_transaction_name(trans); - } else { - trans->journal_res.seq = c->journal.replay_journal_seq; } /* @@ -685,7 +659,7 @@ bch2_trans_commit_write_locked(struct btree_trans *trans, unsigned flags, */ if (IS_ENABLED(CONFIG_BCACHEFS_DEBUG) && - !(flags & BTREE_INSERT_JOURNAL_REPLAY)) { + !(flags & BCH_TRANS_COMMIT_no_journal_res)) { if (bch2_journal_seq_verify) trans_for_each_update(trans, i) i->k->k.version.lo = trans->journal_res.seq; @@ -698,13 +672,8 @@ bch2_trans_commit_write_locked(struct btree_trans *trans, unsigned flags, bch2_trans_fs_usage_apply(trans, trans->fs_usage_deltas)) return -BCH_ERR_btree_insert_need_mark_replicas; - if (trans->nr_wb_updates) { - EBUG_ON(flags & BTREE_INSERT_JOURNAL_REPLAY); - - ret = bch2_btree_insert_keys_write_buffer(trans); - if (ret) - goto revert_fs_usage; - } + /* XXX: we only want to run this if deltas are nonzero */ + bch2_trans_account_disk_usage_change(trans); h = trans->hooks; while (h) { @@ -715,8 +684,8 @@ bch2_trans_commit_write_locked(struct btree_trans *trans, unsigned flags, } trans_for_each_update(trans, i) - if (BTREE_NODE_TYPE_HAS_MEM_TRIGGERS & (1U << i->bkey_type)) { - ret = run_one_mem_trigger(trans, i, i->flags); + if (BTREE_NODE_TYPE_HAS_ATOMIC_TRIGGERS & (1U << i->bkey_type)) { + ret = run_one_mem_trigger(trans, i, BTREE_TRIGGER_ATOMIC|i->flags); if (ret) goto fatal_err; } @@ -727,16 +696,7 @@ bch2_trans_commit_write_locked(struct btree_trans *trans, unsigned flags, goto fatal_err; } - if (unlikely(trans->extra_journal_entries.nr)) { - memcpy_u64s_small(journal_res_entry(&c->journal, &trans->journal_res), - trans->extra_journal_entries.data, - trans->extra_journal_entries.nr); - - trans->journal_res.offset += trans->extra_journal_entries.nr; - trans->journal_res.u64s -= trans->extra_journal_entries.nr; - } - - if (likely(!(flags & BTREE_INSERT_JOURNAL_REPLAY))) { + if (likely(!(flags & BCH_TRANS_COMMIT_no_journal_res))) { struct journal *j = &c->journal; struct jset_entry *entry; @@ -765,33 +725,27 @@ bch2_trans_commit_write_locked(struct btree_trans *trans, unsigned flags, bkey_copy((struct bkey_i *) entry->start, i->k); } - trans_for_each_wb_update(trans, wb) { - entry = bch2_journal_add_entry(j, &trans->journal_res, - BCH_JSET_ENTRY_btree_keys, - wb->btree, 0, - wb->k.k.u64s); - bkey_copy((struct bkey_i *) entry->start, &wb->k); - } + memcpy_u64s_small(journal_res_entry(&c->journal, &trans->journal_res), + trans->journal_entries, + trans->journal_entries_u64s); + + trans->journal_res.offset += trans->journal_entries_u64s; + trans->journal_res.u64s -= trans->journal_entries_u64s; if (trans->journal_seq) *trans->journal_seq = trans->journal_res.seq; } trans_for_each_update(trans, i) { - i->k->k.needs_whiteout = false; + struct btree_path *path = trans->paths + i->path; if (!i->cached) { - u64 seq = trans->journal_res.seq; - - if (i->flags & BTREE_UPDATE_PREJOURNAL) - seq = i->seq; - - bch2_btree_insert_key_leaf(trans, i->path, i->k, seq); + bch2_btree_insert_key_leaf(trans, path, i->k, trans->journal_res.seq); } else if (!i->key_cache_already_flushed) bch2_btree_insert_key_cached(trans, flags, i); else { - bch2_btree_key_cache_drop(trans, i->path); - btree_path_set_dirty(i->path, BTREE_ITER_NEED_TRAVERSE); + bch2_btree_key_cache_drop(trans, path); + btree_path_set_dirty(path, BTREE_ITER_NEED_TRAVERSE); } } @@ -806,14 +760,8 @@ revert_fs_usage: static noinline void bch2_drop_overwrites_from_journal(struct btree_trans *trans) { - struct btree_insert_entry *i; - struct btree_write_buffered_key *wb; - trans_for_each_update(trans, i) bch2_journal_key_overwritten(trans->c, i->btree_id, i->level, i->k->k.p); - - trans_for_each_wb_update(trans, wb) - bch2_journal_key_overwritten(trans->c, wb->btree, 0, wb->k.k.p); } static noinline int bch2_trans_commit_bkey_invalid(struct btree_trans *trans, @@ -841,6 +789,33 @@ static noinline int bch2_trans_commit_bkey_invalid(struct btree_trans *trans, return -EINVAL; } +static noinline int bch2_trans_commit_journal_entry_invalid(struct btree_trans *trans, + struct jset_entry *i) +{ + struct bch_fs *c = trans->c; + struct printbuf buf = PRINTBUF; + + prt_printf(&buf, "invalid bkey on insert from %s", trans->fn); + prt_newline(&buf); + printbuf_indent_add(&buf, 2); + + bch2_journal_entry_to_text(&buf, c, i); + prt_newline(&buf); + + bch2_print_string_as_lines(KERN_ERR, buf.buf); + + bch2_inconsistent_error(c); + bch2_dump_trans_updates(trans); + + return -EINVAL; +} + +static int bch2_trans_commit_journal_pin_flush(struct journal *j, + struct journal_entry_pin *_pin, u64 seq) +{ + return 0; +} + /* * Get journal reservation, take write locks, and attempt to do btree update(s): */ @@ -849,7 +824,6 @@ static inline int do_bch2_trans_commit(struct btree_trans *trans, unsigned flags unsigned long trace_ip) { struct bch_fs *c = trans->c; - struct btree_insert_entry *i; int ret = 0, u64s_delta = 0; trans_for_each_update(trans, i) { @@ -884,13 +858,15 @@ static inline int do_bch2_trans_commit(struct btree_trans *trans, unsigned flags if (!ret && trans->journal_pin) bch2_journal_pin_add(&c->journal, trans->journal_res.seq, - trans->journal_pin, NULL); + trans->journal_pin, + bch2_trans_commit_journal_pin_flush); /* * Drop journal reservation after dropping write locks, since dropping * the journal reservation may kick off a journal write: */ - bch2_journal_res_put(&c->journal, &trans->journal_res); + if (likely(!(flags & BCH_TRANS_COMMIT_no_journal_res))) + bch2_journal_res_put(&c->journal, &trans->journal_res); return ret; } @@ -916,7 +892,8 @@ int bch2_trans_commit_error(struct btree_trans *trans, unsigned flags, case -BCH_ERR_btree_insert_btree_node_full: ret = bch2_btree_split_leaf(trans, i->path, flags); if (bch2_err_matches(ret, BCH_ERR_transaction_restart)) - trace_and_count(c, trans_restart_btree_node_split, trans, trace_ip, i->path); + trace_and_count(c, trans_restart_btree_node_split, trans, + trace_ip, trans->paths + i->path); break; case -BCH_ERR_btree_insert_need_mark_replicas: ret = drop_locks_do(trans, @@ -927,7 +904,7 @@ int bch2_trans_commit_error(struct btree_trans *trans, unsigned flags, * XXX: this should probably be a separate BTREE_INSERT_NONBLOCK * flag */ - if ((flags & BTREE_INSERT_JOURNAL_RECLAIM) && + if ((flags & BCH_TRANS_COMMIT_journal_reclaim) && (flags & BCH_WATERMARK_MASK) != BCH_WATERMARK_reclaim) { ret = -BCH_ERR_journal_reclaim_would_deadlock; break; @@ -950,30 +927,6 @@ int bch2_trans_commit_error(struct btree_trans *trans, unsigned flags, ret = bch2_trans_relock(trans); break; - case -BCH_ERR_btree_insert_need_flush_buffer: { - struct btree_write_buffer *wb = &c->btree_write_buffer; - - ret = 0; - - if (wb->state.nr > wb->size * 3 / 4) { - bch2_trans_unlock(trans); - mutex_lock(&wb->flush_lock); - - if (wb->state.nr > wb->size * 3 / 4) { - bch2_trans_begin(trans); - ret = __bch2_btree_write_buffer_flush(trans, - flags|BTREE_INSERT_NOCHECK_RW, true); - if (!ret) { - trace_and_count(c, trans_restart_write_buffer_flush, trans, _THIS_IP_); - ret = btree_trans_restart(trans, BCH_ERR_transaction_restart_write_buffer_flush); - } - } else { - mutex_unlock(&wb->flush_lock); - ret = bch2_trans_relock(trans); - } - } - break; - } default: BUG_ON(ret >= 0); break; @@ -982,8 +935,7 @@ int bch2_trans_commit_error(struct btree_trans *trans, unsigned flags, BUG_ON(bch2_err_matches(ret, BCH_ERR_transaction_restart) != !!trans->restarted); bch2_fs_inconsistent_on(bch2_err_matches(ret, ENOSPC) && - !(flags & BTREE_INSERT_NOWAIT) && - (flags & BTREE_INSERT_NOFAIL), c, + (flags & BCH_TRANS_COMMIT_no_enospc), c, "%s: incorrectly got %s\n", __func__, bch2_err_str(ret)); return ret; @@ -995,8 +947,8 @@ bch2_trans_commit_get_rw_cold(struct btree_trans *trans, unsigned flags) struct bch_fs *c = trans->c; int ret; - if (likely(!(flags & BTREE_INSERT_LAZY_RW)) || - test_bit(BCH_FS_STARTED, &c->flags)) + if (likely(!(flags & BCH_TRANS_COMMIT_lazy_rw)) || + test_bit(BCH_FS_started, &c->flags)) return -BCH_ERR_erofs_trans_commit; ret = drop_locks_do(trans, bch2_fs_read_write_early(c)); @@ -1016,7 +968,6 @@ static noinline int do_bch2_trans_commit_to_journal_replay(struct btree_trans *trans) { struct bch_fs *c = trans->c; - struct btree_insert_entry *i; int ret = 0; trans_for_each_update(trans, i) { @@ -1030,18 +981,15 @@ do_bch2_trans_commit_to_journal_replay(struct btree_trans *trans) int __bch2_trans_commit(struct btree_trans *trans, unsigned flags) { + struct btree_insert_entry *errored_at = NULL; struct bch_fs *c = trans->c; - struct btree_insert_entry *i = NULL; - struct btree_write_buffered_key *wb; int ret = 0; if (!trans->nr_updates && - !trans->nr_wb_updates && - !trans->extra_journal_entries.nr) + !trans->journal_entries_u64s) goto out_reset; - if (flags & BTREE_INSERT_GC_LOCK_HELD) - lockdep_assert_held(&c->gc_lock); + memset(&trans->fs_usage_delta, 0, sizeof(trans->fs_usage_delta)); ret = bch2_trans_commit_run_triggers(trans); if (ret) @@ -1051,7 +999,7 @@ int __bch2_trans_commit(struct btree_trans *trans, unsigned flags) struct printbuf buf = PRINTBUF; enum bkey_invalid_flags invalid_flags = 0; - if (!(flags & BTREE_INSERT_JOURNAL_REPLAY)) + if (!(flags & BCH_TRANS_COMMIT_no_journal_res)) invalid_flags |= BKEY_INVALID_WRITE|BKEY_INVALID_COMMIT; if (unlikely(bch2_bkey_invalid(c, bkey_i_to_s_c(i->k), @@ -1064,47 +1012,52 @@ int __bch2_trans_commit(struct btree_trans *trans, unsigned flags) return ret; } - if (unlikely(!test_bit(BCH_FS_MAY_GO_RW, &c->flags))) { + for (struct jset_entry *i = trans->journal_entries; + i != (void *) ((u64 *) trans->journal_entries + trans->journal_entries_u64s); + i = vstruct_next(i)) { + enum bkey_invalid_flags invalid_flags = 0; + + if (!(flags & BCH_TRANS_COMMIT_no_journal_res)) + invalid_flags |= BKEY_INVALID_WRITE|BKEY_INVALID_COMMIT; + + if (unlikely(bch2_journal_entry_validate(c, NULL, i, + bcachefs_metadata_version_current, + CPU_BIG_ENDIAN, invalid_flags))) + ret = bch2_trans_commit_journal_entry_invalid(trans, i); + + if (ret) + return ret; + } + + if (unlikely(!test_bit(BCH_FS_may_go_rw, &c->flags))) { ret = do_bch2_trans_commit_to_journal_replay(trans); goto out_reset; } - if (!(flags & BTREE_INSERT_NOCHECK_RW) && + if (!(flags & BCH_TRANS_COMMIT_no_check_rw) && unlikely(!bch2_write_ref_tryget(c, BCH_WRITE_REF_trans))) { ret = bch2_trans_commit_get_rw_cold(trans, flags); if (ret) goto out_reset; } - if (c->btree_write_buffer.state.nr > c->btree_write_buffer.size / 2 && - mutex_trylock(&c->btree_write_buffer.flush_lock)) { - bch2_trans_begin(trans); - bch2_trans_unlock(trans); - - ret = __bch2_btree_write_buffer_flush(trans, - flags|BTREE_INSERT_NOCHECK_RW, true); - if (!ret) { - trace_and_count(c, trans_restart_write_buffer_flush, trans, _THIS_IP_); - ret = btree_trans_restart(trans, BCH_ERR_transaction_restart_write_buffer_flush); - } - goto out; - } - - EBUG_ON(test_bit(BCH_FS_CLEAN_SHUTDOWN, &c->flags)); + EBUG_ON(test_bit(BCH_FS_clean_shutdown, &c->flags)); - trans->journal_u64s = trans->extra_journal_entries.nr; + trans->journal_u64s = trans->journal_entries_u64s; trans->journal_transaction_names = READ_ONCE(c->opts.journal_transaction_names); if (trans->journal_transaction_names) trans->journal_u64s += jset_u64s(JSET_ENTRY_LOG_U64s); trans_for_each_update(trans, i) { - EBUG_ON(!i->path->should_be_locked); + struct btree_path *path = trans->paths + i->path; + + EBUG_ON(!path->should_be_locked); - ret = bch2_btree_path_upgrade(trans, i->path, i->level + 1); + ret = bch2_btree_path_upgrade(trans, path, i->level + 1); if (unlikely(ret)) goto out; - EBUG_ON(!btree_node_intent_locked(i->path, i->level)); + EBUG_ON(!btree_node_intent_locked(path, i->level)); if (i->key_cache_already_flushed) continue; @@ -1120,22 +1073,21 @@ int __bch2_trans_commit(struct btree_trans *trans, unsigned flags) trans->journal_u64s += jset_u64s(i->old_k.u64s); } - trans_for_each_wb_update(trans, wb) - trans->journal_u64s += jset_u64s(wb->k.k.u64s); - - if (trans->extra_journal_res) { + if (trans->extra_disk_res) { ret = bch2_disk_reservation_add(c, trans->disk_res, - trans->extra_journal_res, - (flags & BTREE_INSERT_NOFAIL) + trans->extra_disk_res, + (flags & BCH_TRANS_COMMIT_no_enospc) ? BCH_DISK_RESERVATION_NOFAIL : 0); if (ret) goto err; } retry: + errored_at = NULL; bch2_trans_verify_not_in_restart(trans); - memset(&trans->journal_res, 0, sizeof(trans->journal_res)); + if (likely(!(flags & BCH_TRANS_COMMIT_no_journal_res))) + memset(&trans->journal_res, 0, sizeof(trans->journal_res)); - ret = do_bch2_trans_commit(trans, flags, &i, _RET_IP_); + ret = do_bch2_trans_commit(trans, flags, &errored_at, _RET_IP_); /* make sure we didn't drop or screw up locks: */ bch2_trans_verify_locks(trans); @@ -1145,7 +1097,7 @@ retry: trace_and_count(c, transaction_commit, trans, _RET_IP_); out: - if (likely(!(flags & BTREE_INSERT_NOCHECK_RW))) + if (likely(!(flags & BCH_TRANS_COMMIT_no_check_rw))) bch2_write_ref_put(c, BCH_WRITE_REF_trans); out_reset: if (!ret) @@ -1154,9 +1106,21 @@ out_reset: return ret; err: - ret = bch2_trans_commit_error(trans, flags, i, ret, _RET_IP_); + ret = bch2_trans_commit_error(trans, flags, errored_at, ret, _RET_IP_); if (ret) goto out; + /* + * We might have done another transaction commit in the error path - + * i.e. btree write buffer flush - which will have made use of + * trans->journal_res, but with BCH_TRANS_COMMIT_no_journal_res that is + * how the journal sequence number to pin is passed in - so we must + * restart: + */ + if (flags & BCH_TRANS_COMMIT_no_journal_res) { + ret = -BCH_ERR_transaction_restart_nested; + goto out; + } + goto retry; } |