diff options
Diffstat (limited to 'migration/multifd-zlib.c')
-rw-r--r-- | migration/multifd-zlib.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/migration/multifd-zlib.c b/migration/multifd-zlib.c index 6120faad65..83c0374380 100644 --- a/migration/multifd-zlib.c +++ b/migration/multifd-zlib.c @@ -123,13 +123,15 @@ static int zlib_send_prepare(MultiFDSendParams *p, Error **errp) int ret; uint32_t i; - multifd_send_prepare_header(p); + if (!multifd_send_prepare_common(p)) { + goto out; + } - for (i = 0; i < pages->num; i++) { + for (i = 0; i < pages->normal_num; i++) { uint32_t available = z->zbuff_len - out_size; int flush = Z_NO_FLUSH; - if (i == pages->num - 1) { + if (i == pages->normal_num - 1) { flush = Z_SYNC_FLUSH; } @@ -172,10 +174,10 @@ static int zlib_send_prepare(MultiFDSendParams *p, Error **errp) p->iov[p->iovs_num].iov_len = out_size; p->iovs_num++; p->next_packet_size = out_size; - p->flags |= MULTIFD_FLAG_ZLIB; +out: + p->flags |= MULTIFD_FLAG_ZLIB; multifd_send_fill_packet(p); - return 0; } @@ -261,6 +263,14 @@ static int zlib_recv(MultiFDRecvParams *p, Error **errp) p->id, flags, MULTIFD_FLAG_ZLIB); return -1; } + + multifd_recv_zero_page_process(p); + + if (!p->normal_num) { + assert(in_size == 0); + return 0; + } + ret = qio_channel_read_all(p->c, (void *)z->zbuff, in_size, errp); if (ret != 0) { @@ -310,6 +320,7 @@ static int zlib_recv(MultiFDRecvParams *p, Error **errp) p->id, out_size, expected_size); return -1; } + return 0; } |