/***************************************************************//**
Commits a mini-transaction. */
UNIV_INTERN
void
mtr_commit(
/*=======*/
mtr_t* mtr) /*!< in: mini-transaction */
{
ut_ad(mtr);
ut_ad(mtr->magic_n == MTR_MAGIC_N);
ut_ad(mtr->state == MTR_ACTIVE);
ut_ad(!mtr->inside_ibuf);
ut_d(mtr->state = MTR_COMMITTING);
#ifndef UNIV_HOTBACKUP
/* This is a dirty read, for debugging. */
ut_ad(!recv_no_log_write);
if (mtr->modifications && mtr->n_log_recs) {
mtr_log_reserve_and_write(mtr);
}
mtr_memo_pop_all(mtr);
#endif /* !UNIV_HOTBACKUP */
ut_d(mtr->state = MTR_COMMITTED);
dyn_array_free(&(mtr->memo));
dyn_array_free(&(mtr->log));
}
/***************************************************************//**
Commits a mini-transaction. */
UNIV_INTERN
void
mtr_commit(
/*=======*/
mtr_t* mtr) /*!< in: mini-transaction */
{
#ifndef UNIV_HOTBACKUP
ibool write_log;
#endif /* !UNIV_HOTBACKUP */
ut_ad(mtr);
ut_ad(mtr->magic_n == MTR_MAGIC_N);
ut_ad(mtr->state == MTR_ACTIVE);
ut_d(mtr->state = MTR_COMMITTING);
#ifndef UNIV_HOTBACKUP
/* This is a dirty read, for debugging. */
ut_ad(!recv_no_log_write);
write_log = mtr->modifications && mtr->n_log_recs;
if (write_log) {
mtr_log_reserve_and_write(mtr);
mtr_memo_note_modification_all(mtr);
}
/* We first update the modification info to buffer pages, and only
after that release the log mutex: this guarantees that when the log
mutex is free, all buffer pages contain an up-to-date info of their
modifications. This fact is used in making a checkpoint when we look
at the oldest modification of any page in the buffer pool. It is also
required when we insert modified buffer pages in to the flush list
which must be sorted on oldest_modification. */
if (write_log) {
log_release();
}
/* All unlocking has been moved here, after log_sys mutex release. */
mtr_memo_pop_all(mtr);
#endif /* !UNIV_HOTBACKUP */
ut_d(mtr->state = MTR_COMMITTED);
dyn_array_free(&(mtr->memo));
dyn_array_free(&(mtr->log));
}
/***************************************************************//**
Commits a mini-transaction. */
UNIV_INTERN
void
mtr_commit(
/*=======*/
mtr_t* mtr) /*!< in: mini-transaction */
{
ut_ad(mtr);
ut_ad(mtr->magic_n == MTR_MAGIC_N);
ut_ad(mtr->state == MTR_ACTIVE);
ut_ad(!mtr->inside_ibuf);
ut_d(mtr->state = MTR_COMMITTING);
#ifndef UNIV_HOTBACKUP
/* This is a dirty read, for debugging. */
ut_ad(!recv_no_log_write);
if (mtr->modifications && mtr->n_log_recs) {
mtr_log_reserve_and_write(mtr);
}
mtr_memo_pop_all(mtr);
#endif /* !UNIV_HOTBACKUP */
dyn_array_free(&(mtr->memo));
dyn_array_free(&(mtr->log));
#ifdef UNIV_DEBUG_VALGRIND
/* Declare everything uninitialized except
mtr->start_lsn, mtr->end_lsn and mtr->state. */
{
ib_uint64_t start_lsn = mtr->start_lsn;
ib_uint64_t end_lsn = mtr->end_lsn;
UNIV_MEM_INVALID(mtr, sizeof *mtr);
mtr->start_lsn = start_lsn;
mtr->end_lsn = end_lsn;
}
#endif /* UNIV_DEBUG_VALGRIND */
ut_d(mtr->state = MTR_COMMITTED);
}