[Virtio-fs] [PATCH v2 33/51] migration: Add postcopy_preempt_active()
Juan Quintela
quintela at redhat.com
Mon Dec 5 09:52:10 UTC 2022
From: Peter Xu <peterx at redhat.com>
Add the helper to show that postcopy preempt enabled, meanwhile active.
Reviewed-by: Dr. David Alan Gilbert <dgilbert at redhat.com>
Signed-off-by: Peter Xu <peterx at redhat.com>
Reviewed-by: Juan Quintela <quintela at redhat.com>
Signed-off-by: Juan Quintela <quintela at redhat.com>
---
migration/ram.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/migration/ram.c b/migration/ram.c
index cc72c24c18..00a2e30322 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -162,6 +162,11 @@ out:
return ret;
}
+static bool postcopy_preempt_active(void)
+{
+ return migrate_postcopy_preempt() && migration_in_postcopy();
+}
+
bool ramblock_is_ignored(RAMBlock *block)
{
return !qemu_ram_is_migratable(block) ||
@@ -2433,7 +2438,7 @@ static void postcopy_preempt_choose_channel(RAMState *rs, PageSearchStatus *pss)
/* We need to make sure rs->f always points to the default channel elsewhere */
static void postcopy_preempt_reset_channel(RAMState *rs)
{
- if (migrate_postcopy_preempt() && migration_in_postcopy()) {
+ if (postcopy_preempt_active()) {
rs->postcopy_channel = RAM_CHANNEL_PRECOPY;
rs->f = migrate_get_current()->to_dst_file;
trace_postcopy_preempt_reset_channel();
@@ -2471,7 +2476,7 @@ static int ram_save_host_page(RAMState *rs, PageSearchStatus *pss)
return 0;
}
- if (migrate_postcopy_preempt() && migration_in_postcopy()) {
+ if (postcopy_preempt_active()) {
postcopy_preempt_choose_channel(rs, pss);
}
--
2.38.1
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