migration: move calling control_save_page to the common place

The function is called by both ram_save_page and ram_save_target_page,
so move it to the common caller to cleanup the code

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Xiao Guangrong <xiaoguangrong@tencent.com>
Message-Id: <20180330075128.26919-8-xiaoguangrong@tencent.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Xiao Guangrong 2018-03-30 15:51:25 +08:00 committed by Dr. David Alan Gilbert
parent 1faa5665c0
commit a8ec91f941

View file

@ -1037,10 +1037,6 @@ static int ram_save_page(RAMState *rs, PageSearchStatus *pss, bool last_stage)
p = block->host + offset;
trace_ram_save_page(block->idstr, (uint64_t)offset, p);
if (control_save_page(rs, block, offset, &pages)) {
return pages;
}
XBZRLE_cache_lock();
pages = save_zero_page(rs, block, offset);
if (pages > 0) {
@ -1198,10 +1194,6 @@ static int ram_save_compressed_page(RAMState *rs, PageSearchStatus *pss,
p = block->host + offset;
if (control_save_page(rs, block, offset, &pages)) {
return pages;
}
/* When starting the process of a new block, the first page of
* the block should be sent out before other pages in the same
* block, and all the pages in last block should have been sent
@ -1489,6 +1481,14 @@ err:
static int ram_save_target_page(RAMState *rs, PageSearchStatus *pss,
bool last_stage)
{
RAMBlock *block = pss->block;
ram_addr_t offset = pss->page << TARGET_PAGE_BITS;
int res;
if (control_save_page(rs, block, offset, &res)) {
return res;
}
/*
* If xbzrle is on, stop using the data compression after first
* round of migration even if compression is enabled. In theory,