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migration/multifd: Replace p->pages with an union pointer

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We want multifd to be able to handle more types of data than just ram
pages. To start decoupling multifd from pages, replace p->pages
(MultiFDPages_t) with the new type MultiFDSendData that hides the
client payload inside an union.

The general idea here is to isolate functions that *need* to handle
MultiFDPages_t and move them in the future to multifd-ram.c, while
multifd.c will stay with only the core functions that handle
MultiFDSendData/MultiFDRecvData.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
This commit is contained in:
Fabiano Rosas 2024-08-27 14:45:54 -03:00
parent 0e427da096
commit 9f0e108901
7 changed files with 57 additions and 47 deletions
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2
migration/multifd-zlib.c
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@ -123,7 +123,7 @@ static void zlib_send_cleanup(MultiFDSendParams *p, Error **errp)
*/
static int zlib_send_prepare(MultiFDSendParams *p, Error **errp)
{
MultiFDPages_t *pages = p->pages;
MultiFDPages_t *pages = &p->data->u.ram;
struct zlib_data *z = p->compress_data;
z_stream *zs = &z->zs;
uint32_t out_size = 0;