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Diffstat (limited to 'migration')
-rw-r--r--migration/cpr.c36
-rw-r--r--migration/savevm.c4
2 files changed, 38 insertions, 2 deletions
diff --git a/migration/cpr.c b/migration/cpr.c
index 42c4656..a50a57e 100644
--- a/migration/cpr.c
+++ b/migration/cpr.c
@@ -95,6 +95,36 @@ int cpr_find_fd(const char *name, int id)
trace_cpr_find_fd(name, id, fd);
return fd;
}
+
+void cpr_resave_fd(const char *name, int id, int fd)
+{
+ CprFd *elem = find_fd(&cpr_state.fds, name, id);
+ int old_fd = elem ? elem->fd : -1;
+
+ if (old_fd < 0) {
+ cpr_save_fd(name, id, fd);
+ } else if (old_fd != fd) {
+ error_setg(&error_fatal,
+ "internal error: cpr fd '%s' id %d value %d "
+ "already saved with a different value %d",
+ name, id, fd, old_fd);
+ }
+}
+
+int cpr_open_fd(const char *path, int flags, const char *name, int id,
+ Error **errp)
+{
+ int fd = cpr_find_fd(name, id);
+
+ if (fd < 0) {
+ fd = qemu_open(path, flags, errp);
+ if (fd >= 0) {
+ cpr_save_fd(name, id, fd);
+ }
+ }
+ return fd;
+}
+
/*************************************************************************/
#define CPR_STATE "CprState"
@@ -228,3 +258,9 @@ void cpr_state_close(void)
cpr_state_file = NULL;
}
}
+
+bool cpr_incoming_needed(void *opaque)
+{
+ MigMode mode = migrate_mode();
+ return mode == MIG_MODE_CPR_TRANSFER;
+}
diff --git a/migration/savevm.c b/migration/savevm.c
index 52105dd..bb04a45 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -266,7 +266,7 @@ typedef struct SaveState {
static SaveState savevm_state = {
.handlers = QTAILQ_HEAD_INITIALIZER(savevm_state.handlers),
- .handler_pri_head = { [MIG_PRI_DEFAULT ... MIG_PRI_MAX] = NULL },
+ .handler_pri_head = { [0 ... MIG_PRI_MAX] = NULL },
.global_section_id = 0,
};
@@ -737,7 +737,7 @@ static int calculate_compat_instance_id(const char *idstr)
static inline MigrationPriority save_state_priority(SaveStateEntry *se)
{
- if (se->vmsd) {
+ if (se->vmsd && se->vmsd->priority) {
return se->vmsd->priority;
}
return MIG_PRI_DEFAULT;