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solve the switchover problem of pagewriter exiting

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This commit is contained in:
cyb
2022-06-08 00:35:19 +08:00
parent 7f97d633f1
commit 3c621ff09e
1 changed files with 5 additions and 2 deletions
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7
src/gausskernel/process/postmaster/pagewriter.cpp
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@ -1069,8 +1069,8 @@ void dw_upgrade_batch()
knl_g_dw_context* dw_batch_cxt = &g_instance.dw_batch_cxt;
dw_batch_file_context* dw_file_cxt = &dw_batch_cxt->batch_file_cxts[0];
(void)LWLockConditionalAcquire(dw_batch_cxt->flush_lock, LW_EXCLUSIVE);
(void)LWLockConditionalAcquire(dw_file_cxt->flush_lock, LW_EXCLUSIVE);
(void)LWLockAcquire(dw_batch_cxt->flush_lock, LW_EXCLUSIVE);
(void)LWLockAcquire(dw_file_cxt->flush_lock, LW_EXCLUSIVE);
wait_all_dw_page_finish_flush();
@ -1651,6 +1651,9 @@ void ckpt_pagewriter_main(void)
pgstat_report_activity(STATE_IDLE, NULL);
if (t_thrd.pagewriter_cxt.pagewriter_id == 0) {
g_instance.ckpt_cxt_ctl->page_writer_sub_can_exit = false;
pg_write_barrier();
g_instance.proc_base->pgwrMainThreadLatch = &t_thrd.proc->procLatch;
g_instance.ckpt_cxt_ctl->incre_ckpt_sync_shmem->pagewritermain_pid = t_thrd.proc_cxt.MyProcPid;
InitSync();