#include "btree_locking.h"
#include "buckets.h"
#include "debug.h"
+#include "errcode.h"
#include "error.h"
#include "extent_update.h"
#include "journal.h"
if (ret)
return ret;
- if (!bch2_trans_relock(trans)) {
- trace_trans_restart_journal_preres_get(trans->fn, trace_ip);
- return -EINTR;
+ ret = bch2_trans_relock(trans);
+ if (ret) {
+ trace_trans_restart_journal_preres_get(trans, trace_ip);
+ return ret;
}
return 0;
* Keys returned by peek() are no longer valid pointers, so we need a
* transaction restart:
*/
- trace_trans_restart_key_cache_key_realloced(trans->fn, _RET_IP_,
- path->btree_id, &path->pos,
- old_u64s, new_u64s);
- /*
- * Not using btree_trans_restart() because we can't unlock here, we have
- * write locks held:
- */
- trans->restarted = true;
- return -EINTR;
+ trace_trans_restart_key_cache_key_realloced(trans, _RET_IP_, path, old_u64s, new_u64s);
+ return btree_trans_restart_nounlock(trans, BCH_ERR_transaction_restart_key_cache_realloced);
}
/* Triggers: */
int ret;
if (race_fault()) {
- trace_trans_restart_fault_inject(trans->fn, trace_ip);
- trans->restarted = true;
- return -EINTR;
+ trace_trans_restart_fault_inject(trans, trace_ip);
+ return btree_trans_restart_nounlock(trans, BCH_ERR_transaction_restart_fault_inject);
}
/*
btree_insert_key_leaf(trans, i);
else if (!i->key_cache_already_flushed)
bch2_btree_insert_key_cached(trans, i->path, i->k);
- else
+ else {
bch2_btree_key_cache_drop(trans, i->path);
+ btree_path_set_dirty(i->path, BTREE_ITER_NEED_TRAVERSE);
+ }
}
return ret;
static inline int trans_lock_write(struct btree_trans *trans)
{
struct btree_insert_entry *i;
+ int ret;
trans_for_each_update(trans, i) {
if (same_leaf_as_prev(trans, i))
if (have_conflicting_read_lock(trans, i->path))
goto fail;
- btree_node_lock_type(trans, i->path,
+ ret = btree_node_lock_type(trans, i->path,
insert_l(i)->b,
i->path->pos, i->level,
SIX_LOCK_write, NULL, NULL);
+ BUG_ON(ret);
}
bch2_btree_node_prep_for_write(trans, i->path, insert_l(i)->b);
bch2_btree_node_unlock_write_inlined(trans, i->path, insert_l(i)->b);
}
- trace_trans_restart_would_deadlock_write(trans->fn);
- return btree_trans_restart(trans);
+ trace_trans_restart_would_deadlock_write(trans);
+ return btree_trans_restart(trans, BCH_ERR_transaction_restart_would_deadlock_write);
}
static noinline void bch2_drop_overwrites_from_journal(struct btree_trans *trans)
switch (ret) {
case BTREE_INSERT_BTREE_NODE_FULL:
ret = bch2_btree_split_leaf(trans, i->path, trans->flags);
- if (!ret)
- return 0;
-
- if (ret == -EINTR)
- trace_trans_restart_btree_node_split(trans->fn, trace_ip,
- i->btree_id, &i->path->pos);
+ if (bch2_err_matches(ret, BCH_ERR_transaction_restart))
+ trace_trans_restart_btree_node_split(trans, trace_ip, i->path);
break;
case BTREE_INSERT_NEED_MARK_REPLICAS:
bch2_trans_unlock(trans);
if (ret)
break;
- if (bch2_trans_relock(trans))
- return 0;
-
- trace_trans_restart_mark_replicas(trans->fn, trace_ip);
- ret = -EINTR;
+ ret = bch2_trans_relock(trans);
+ if (ret)
+ trace_trans_restart_mark_replicas(trans, trace_ip);
break;
case BTREE_INSERT_NEED_JOURNAL_RES:
bch2_trans_unlock(trans);
if ((trans->flags & BTREE_INSERT_JOURNAL_RECLAIM) &&
!(trans->flags & JOURNAL_WATERMARK_reserved)) {
- trans->restarted = true;
- ret = -EAGAIN;
+ ret = -BCH_ERR_journal_reclaim_would_deadlock;
break;
}
if (ret)
break;
- if (bch2_trans_relock(trans))
- return 0;
-
- trace_trans_restart_journal_res_get(trans->fn, trace_ip);
- ret = -EINTR;
+ ret = bch2_trans_relock(trans);
+ if (ret)
+ trace_trans_restart_journal_res_get(trans, trace_ip);
break;
case BTREE_INSERT_NEED_JOURNAL_RECLAIM:
bch2_trans_unlock(trans);
- trace_trans_blocked_journal_reclaim(trans->fn, trace_ip);
+ trace_trans_blocked_journal_reclaim(trans, trace_ip);
wait_event_freezable(c->journal.reclaim_wait,
(ret = journal_reclaim_wait_done(c)));
if (ret < 0)
break;
- if (bch2_trans_relock(trans))
- return 0;
-
- trace_trans_restart_journal_reclaim(trans->fn, trace_ip);
- ret = -EINTR;
+ ret = bch2_trans_relock(trans);
+ if (ret)
+ trace_trans_restart_journal_reclaim(trans, trace_ip);
break;
default:
BUG_ON(ret >= 0);
break;
}
- BUG_ON((ret == EINTR || ret == -EAGAIN) && !trans->restarted);
+ BUG_ON(bch2_err_matches(ret, BCH_ERR_transaction_restart) != !!trans->restarted);
BUG_ON(ret == -ENOSPC &&
!(trans->flags & BTREE_INSERT_NOWAIT) &&
(trans->flags & BTREE_INSERT_NOFAIL));
bch2_trans_unlock(trans);
- ret = bch2_fs_read_write_early(c);
+ ret = bch2_fs_read_write_early(c) ?:
+ bch2_trans_relock(trans);
if (ret)
return ret;
- if (!bch2_trans_relock(trans))
- return -EINTR;
-
percpu_ref_get(&c->writes);
return 0;
}
BUG_ON(!i->path->should_be_locked);
if (unlikely(!bch2_btree_path_upgrade(trans, i->path, i->level + 1))) {
- trace_trans_restart_upgrade(trans->fn, _RET_IP_,
- i->btree_id, &i->path->pos);
- ret = btree_trans_restart(trans);
+ trace_trans_restart_upgrade(trans, _RET_IP_, i->path);
+ ret = btree_trans_restart(trans, BCH_ERR_transaction_restart_upgrade);
goto out;
}
if (ret)
goto err;
- trace_transaction_commit(trans->fn, _RET_IP_);
+ trace_transaction_commit(trans, _RET_IP_);
out:
bch2_journal_preres_put(&c->journal, &trans->journal_preres);
if (ret)
goto err;
- btree_path->should_be_locked = true;
+ btree_path_set_should_be_locked(btree_path);
ret = bch2_trans_update_by_path_trace(trans, btree_path, k, flags, ip);
err:
bch2_path_put(trans, btree_path, true);
ck = (void *) iter->key_cache_path->l[0].b;
if (test_bit(BKEY_CACHED_DIRTY, &ck->flags)) {
- trace_trans_restart_key_cache_raced(trans->fn, _RET_IP_);
- btree_trans_restart(trans);
- return -EINTR;
+ trace_trans_restart_key_cache_raced(trans, _RET_IP_);
+ return btree_trans_restart(trans, BCH_ERR_transaction_restart_key_cache_raced);
}
- iter->key_cache_path->should_be_locked = true;
+ btree_path_set_should_be_locked(iter->key_cache_path);
}
path = iter->key_cache_path;
break;
}
- if (ret == -EINTR) {
+ if (bch2_err_matches(ret, BCH_ERR_transaction_restart)) {
ret = 0;
goto retry;
}
unsigned update_flags,
u64 *journal_seq)
{
- return bch2_trans_do(c, NULL, journal_seq, 0,
- bch2_btree_delete_range_trans(&trans, id, start, end,
- update_flags, journal_seq));
+ return bch2_trans_run(c,
+ bch2_btree_delete_range_trans(&trans, id, start, end, update_flags, journal_seq));
}
int bch2_trans_log_msg(struct btree_trans *trans, const char *msg)
projects / bcachefs-tools-debian / blobdiff