#include "errcode.h"
#include "error.h"
#include "journal.h"
+#include "journal_io.h"
#include "journal_reclaim.h"
#include "replicas.h"
#include "snapshot.h"
#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 =
#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,
bch2_btree_init_next(trans, b);
}
+static noinline int trans_lock_write_fail(struct btree_trans *trans, struct btree_insert_entry *i)
+{
+ while (--i >= trans->updates) {
+ if (same_leaf_as_prev(trans, i))
+ continue;
+
+ 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);
+ return btree_trans_restart(trans, BCH_ERR_transaction_restart_would_deadlock_write);
+}
+
+static inline int bch2_trans_lock_write(struct btree_trans *trans)
+{
+ 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, 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, trans->paths + i->path, insert_l(trans, i)->b);
+ }
+
+ trans->write_locked = true;
+ return 0;
+}
+
+static inline void bch2_trans_unlock_write(struct btree_trans *trans)
+{
+ if (likely(trans->write_locked)) {
+ trans_for_each_update(trans, i)
+ if (!same_leaf_as_prev(trans, i))
+ bch2_btree_node_unlock_write_inlined(trans,
+ trans->paths + i->path, insert_l(trans, i)->b);
+ trans->write_locked = false;
+ }
+}
+
/* Inserting into a given leaf node (last stage of insert): */
/* Handle overwrites and do insert, for non extents: */
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(!b->c.level && !bpos_eq(insert->k.p, path->pos));
k = bch2_btree_node_iter_peek_all(node_iter, b);
if (k && bkey_cmp_left_packed(b, k, &insert->k.p))
struct bch_fs *c = container_of(j, struct bch_fs, journal);
struct btree_write *w = container_of(pin, struct btree_write, journal);
struct btree *b = container_of(w, struct btree, writes[i]);
- struct btree_trans trans;
+ struct btree_trans *trans = bch2_trans_get(c);
unsigned long old, new, v;
unsigned idx = w - b->writes;
- bch2_trans_init(&trans, c, 0, 0);
-
- btree_node_lock_nopath_nofail(&trans, &b->c, SIX_LOCK_read);
+ btree_node_lock_nopath_nofail(trans, &b->c, SIX_LOCK_read);
v = READ_ONCE(b->flags);
do {
btree_node_write_if_need(c, b, SIX_LOCK_read);
six_unlock_read(&b->c.lock);
- bch2_trans_exit(&trans);
+ bch2_trans_put(trans);
return 0;
}
}
/**
- * btree_insert_key - insert a key one key into a leaf node
+ * bch2_btree_insert_key_leaf() - insert a key one key into a leaf node
+ * @trans: btree transaction object
+ * @path: path pointing to @insert's pos
+ * @insert: key to insert
+ * @journal_seq: sequence number of journal reservation
*/
inline void bch2_btree_insert_key_leaf(struct btree_trans *trans,
struct btree_path *path,
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);
}
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) &&
test_bit(JOURNAL_REPLAY_DONE, &trans->c->journal.flags) &&
i->k->k.p.snapshot &&
bch2_snapshot_is_internal_node(trans->c, i->k->k.p.snapshot));
}
-static noinline int
-bch2_trans_journal_preres_get_cold(struct btree_trans *trans, unsigned flags,
- unsigned long trace_ip)
-{
- return drop_locks_do(trans,
- bch2_journal_preres_get(&trans->c->journal,
- &trans->journal_preres,
- trans->journal_preres_u64s,
- (flags & BCH_WATERMARK_MASK)));
-}
-
static __always_inline int bch2_trans_journal_res_get(struct btree_trans *trans,
unsigned flags)
{
return 0;
}
+noinline static int
+btree_key_can_insert_cached_slowpath(struct btree_trans *trans, unsigned flags,
+ struct btree_path *path, unsigned new_u64s)
+{
+ struct bkey_cached *ck = (void *) path->l[0].b;
+ struct bkey_i *new_k;
+ int ret;
+
+ bch2_trans_unlock_write(trans);
+ bch2_trans_unlock(trans);
+
+ new_k = kmalloc(new_u64s * sizeof(u64), GFP_KERNEL);
+ if (!new_k) {
+ 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;
+ }
+
+ ret = bch2_trans_relock(trans) ?:
+ bch2_trans_lock_write(trans);
+ if (unlikely(ret)) {
+ kfree(new_k);
+ return ret;
+ }
+
+ memcpy(new_k, ck->k, ck->u64s * sizeof(u64));
+
+ trans_for_each_update(trans, i)
+ if (i->old_v == &ck->k->v)
+ i->old_v = &new_k->v;
+
+ kfree(ck->k);
+ ck->u64s = new_u64s;
+ ck->k = new_k;
+ return 0;
+}
+
static int btree_key_can_insert_cached(struct btree_trans *trans, unsigned flags,
struct btree_path *path, unsigned u64s)
{
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;
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;
/*
return 0;
new_u64s = roundup_pow_of_two(u64s);
- new_k = krealloc(ck->k, new_u64s * sizeof(u64), GFP_NOFS);
- if (!new_k) {
- bch_err(c, "error allocating memory for key cache key, btree %s u64s %u",
- bch2_btree_ids[path->btree_id], new_u64s);
- return -BCH_ERR_ENOMEM_btree_key_cache_insert;
- }
+ new_k = krealloc(ck->k, new_u64s * sizeof(u64), GFP_NOWAIT);
+ if (unlikely(!new_k))
+ return btree_key_can_insert_cached_slowpath(trans, flags, path, new_u64s);
trans_for_each_update(trans, i)
if (i->old_v == &ck->k->v)
if (unlikely(flags & BTREE_TRIGGER_NORUN))
return 0;
- if (!btree_node_type_needs_gc((enum btree_node_type) i->btree_id))
+ 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 &&
- ((1U << old.k->type) & BTREE_TRIGGER_WANTS_OLD_AND_NEW)) {
- 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;
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);
if (!i->insert_trigger_run &&
!i->overwrite_trigger_run &&
- old_ops->trans_trigger == new_ops->trans_trigger &&
- ((1U << old.k->type) & BTREE_TRIGGER_WANTS_OLD_AND_NEW)) {
+ 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;
}
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;
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) {
*/
BUG_ON(i->cached || i->level);
- if (gc_visited(c, gc_pos_btree_node(insert_l(i)->b))) {
+ if (gc_visited(c, gc_pos_btree_node(insert_l(trans, i)->b))) {
ret = run_one_mem_trigger(trans, i, i->flags|BTREE_TRIGGER_GC);
if (ret)
break;
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;
- bool marking = false;
int ret;
if (race_fault()) {
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 (btree_node_type_needs_gc(i->bkey_type))
- marking = true;
+ i->k->k.needs_whiteout = false;
}
- 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;
-
/*
* 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);
if (unlikely(trans->journal_transaction_names))
journal_transaction_name(trans);
- } else {
- trans->journal_res.seq = c->journal.replay_journal_seq;
}
/*
*/
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;
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;
- }
-
h = trans->hooks;
while (h) {
ret = h->fn(trans, h);
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;
BCH_JSET_ENTRY_overwrite,
i->btree_id, i->level,
i->old_k.u64s);
- bkey_reassemble(&entry->start[0],
+ bkey_reassemble((struct bkey_i *) entry->start,
(struct bkey_s_c) { &i->old_k, i->old_v });
}
BCH_JSET_ENTRY_btree_keys,
i->btree_id, i->level,
i->k->k.u64s);
- bkey_copy(&entry->start[0], i->k);
+ 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(&entry->start[0], &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);
}
}
return ret;
}
-static noinline int trans_lock_write_fail(struct btree_trans *trans, struct btree_insert_entry *i)
-{
- while (--i >= trans->updates) {
- if (same_leaf_as_prev(trans, i))
- continue;
-
- bch2_btree_node_unlock_write(trans, i->path, insert_l(i)->b);
- }
-
- trace_and_count(trans->c, trans_restart_would_deadlock_write, trans);
- return btree_trans_restart(trans, BCH_ERR_transaction_restart_would_deadlock_write);
-}
-
-static inline int trans_lock_write(struct btree_trans *trans)
-{
- struct btree_insert_entry *i;
-
- 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))
- return trans_lock_write_fail(trans, i);
-
- if (!i->cached)
- bch2_btree_node_prep_for_write(trans, i->path, insert_l(i)->b);
- }
-
- return 0;
-}
-
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);
}
-#ifdef CONFIG_BCACHEFS_DEBUG
-static noinline int bch2_trans_commit_bkey_invalid(struct btree_trans *trans, unsigned flags,
+static noinline int bch2_trans_commit_bkey_invalid(struct btree_trans *trans,
+ enum bkey_invalid_flags flags,
struct btree_insert_entry *i,
struct printbuf *err)
{
struct bch_fs *c = trans->c;
- int rw = (flags & BTREE_INSERT_JOURNAL_REPLAY) ? READ : WRITE;
printbuf_reset(err);
prt_printf(err, "invalid bkey on insert from %s -> %ps",
bch2_bkey_val_to_text(err, c, bkey_i_to_s_c(i->k));
prt_newline(err);
- bch2_bkey_invalid(c, bkey_i_to_s_c(i->k),
- i->bkey_type, rw, err);
+ bch2_bkey_invalid(c, bkey_i_to_s_c(i->k), i->bkey_type, flags, err);
bch2_print_string_as_lines(KERN_ERR, err->buf);
bch2_inconsistent_error(c);
bch2_dump_trans_updates(trans);
- printbuf_exit(err);
return -EINVAL;
}
-#endif
+
+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):
unsigned long trace_ip)
{
struct bch_fs *c = trans->c;
- struct btree_insert_entry *i;
int ret = 0, u64s_delta = 0;
-#ifdef CONFIG_BCACHEFS_DEBUG
- trans_for_each_update(trans, i) {
- struct printbuf buf = PRINTBUF;
- enum bkey_invalid_flags invalid_flags = 0;
-
- if (!(flags & BTREE_INSERT_JOURNAL_REPLAY))
- invalid_flags |= BKEY_INVALID_WRITE|BKEY_INVALID_COMMIT;
-
- if (unlikely(bch2_bkey_invalid(c, bkey_i_to_s_c(i->k),
- i->bkey_type, invalid_flags, &buf)))
- ret = bch2_trans_commit_bkey_invalid(trans, flags, i, &buf);
- btree_insert_entry_checks(trans, i);
- printbuf_exit(&buf);
-
- if (ret)
- return ret;
- }
-#endif
-
trans_for_each_update(trans, i) {
if (i->cached)
continue;
}
}
- ret = bch2_journal_preres_get(&c->journal,
- &trans->journal_preres, trans->journal_preres_u64s,
- (flags & BCH_WATERMARK_MASK)|JOURNAL_RES_GET_NONBLOCK);
- if (unlikely(ret == -BCH_ERR_journal_preres_get_blocked))
- ret = bch2_trans_journal_preres_get_cold(trans, flags, trace_ip);
- if (unlikely(ret))
- return ret;
-
- ret = trans_lock_write(trans);
+ ret = bch2_trans_lock_write(trans);
if (unlikely(ret))
return ret;
if (!ret && unlikely(trans->journal_replay_not_finished))
bch2_drop_overwrites_from_journal(trans);
- 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_trans_unlock_write(trans);
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 (unlikely(ret))
- return ret;
-
- bch2_trans_downgrade(trans);
+ if (likely(!(flags & BCH_TRANS_COMMIT_no_journal_res)))
+ bch2_journal_res_put(&c->journal, &trans->journal_res);
- return 0;
+ return ret;
}
static int journal_reclaim_wait_done(struct bch_fs *c)
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,
* 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;
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;
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;
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));
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) {
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;
- unsigned u64s;
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);
-
ret = bch2_trans_commit_run_triggers(trans);
if (ret)
goto out_reset;
- if (unlikely(!test_bit(BCH_FS_MAY_GO_RW, &c->flags))) {
+ trans_for_each_update(trans, i) {
+ struct printbuf buf = PRINTBUF;
+ 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_bkey_invalid(c, bkey_i_to_s_c(i->k),
+ i->bkey_type, invalid_flags, &buf)))
+ ret = bch2_trans_commit_bkey_invalid(trans, invalid_flags, i, &buf);
+ btree_insert_entry_checks(trans, i);
+ printbuf_exit(&buf);
+
+ if (ret)
+ return ret;
+ }
+
+ for (struct jset_entry *i = trans->journal_entries;
+ i != (void *) ((u64 *) trans->journal_entries + trans->journal_entries_u64s);
+ i = vstruct_next(i)) {
+ if (!jset_entry_is_key(i))
+ continue;
+
+ 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));
-
- memset(&trans->journal_preres, 0, sizeof(trans->journal_preres));
-
- trans->journal_u64s = trans->extra_journal_entries.nr;
- trans->journal_preres_u64s = 0;
+ EBUG_ON(test_bit(BCH_FS_clean_shutdown, &c->flags));
+ 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;
- /* we're going to journal the key being updated: */
- u64s = jset_u64s(i->k->k.u64s);
- if (i->cached &&
- likely(!(flags & BTREE_INSERT_JOURNAL_REPLAY)))
- trans->journal_preres_u64s += u64s;
-
if (i->flags & BTREE_UPDATE_NOJOURNAL)
continue;
- trans->journal_u64s += u64s;
+ /* we're going to journal the key being updated: */
+ trans->journal_u64s += jset_u64s(i->k->k.u64s);
/* and we're also going to log the overwrite: */
if (trans->journal_transaction_names)
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);
trace_and_count(c, transaction_commit, trans, _RET_IP_);
out:
- bch2_journal_preres_put(&c->journal, &trans->journal_preres);
-
- 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)
+ bch2_trans_downgrade(trans);
bch2_trans_reset_updates(trans);
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;
}
projects / bcachefs-tools-debian / blobdiff