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qemuMonitorBlockJobInfo: Store 'ready' and 'ready_present' separately

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Don't make the logic confusing by representing the 3 options using an
integer with negative values.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
This commit is contained in:
Peter Krempa 2020-12-04 16:07:58 +01:00 committed by Michal Privoznik
parent 29976c0de9
commit 0f7b80691b
4 changed files with 11 additions and 13 deletions
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9
src/qemu/qemu_driver.c
View File

@ -14650,17 +14650,18 @@ qemuBlockJobInfoTranslate(qemuMonitorBlockJobInfoPtr rawInfo,
* and end are zero, in which case qemu hasn't started the
* job yet. */
if (!info->cur && !info->end) {
if (rawInfo->ready > 0) {
info->cur = info->end = 1;
} else if (!rawInfo->ready) {
if (rawInfo->ready_present) {
info->end = 1;
if (rawInfo->ready)
info->cur = 1;
}
}
/* If qemu reports that it's not ready yet don't make the job go to
* cur == end as some apps wrote code polling this instead of waiting for
* the ready event */
if (rawInfo->ready == 0 &&
if (rawInfo->ready_present &&
!rawInfo->ready &&
info->cur == info->end &&
info->cur > 0)
info->cur -= 1;

3
src/qemu/qemu_monitor.h
View File

@ -1117,7 +1117,8 @@ struct _qemuMonitorBlockJobInfo {
unsigned long long bandwidth; /* in bytes/s */
virDomainBlockJobCursor cur;
virDomainBlockJobCursor end;
int ready; /* -1 if unknown, 0 if not ready, 1 if ready */
bool ready_present;
bool ready;
};
GHashTable *qemuMonitorGetAllBlockJobInfo(qemuMonitorPtr mon,

8
src/qemu/qemu_monitor_json.c
View File

@ -5049,7 +5049,6 @@ qemuMonitorJSONParseBlockJobInfo(GHashTable *blockJobs,
qemuMonitorBlockJobInfoPtr info = NULL;
const char *device;
const char *type;
bool ready;
if (!(device = virJSONValueObjectGetString(entry, "device"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
@ -5067,9 +5066,6 @@ qemuMonitorJSONParseBlockJobInfo(GHashTable *blockJobs,
return -1;
}
/* assume we don't know the state */
info->ready = -1;
if (!(type = virJSONValueObjectGetString(entry, "type"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("entry was missing 'type'"));
@ -5104,8 +5100,8 @@ qemuMonitorJSONParseBlockJobInfo(GHashTable *blockJobs,
return -1;
}
if (virJSONValueObjectGetBoolean(entry, "ready", &ready) == 0)
info->ready = ready;
if (virJSONValueObjectGetBoolean(entry, "ready", &info->ready) == 0)
info->ready_present = true;
return 0;
}

4
src/qemu/qemu_process.c
View File

@ -8176,8 +8176,8 @@ qemuProcessRefreshLegacyBlockjob(void *payload,
return -1;
if (disk->mirror) {
if (info->ready == 1 ||
(info->ready == -1 && info->end == info->cur)) {
if ((!info->ready_present && info->end == info->cur) ||
info->ready) {
disk->mirrorState = VIR_DOMAIN_DISK_MIRROR_STATE_READY;
job->state = VIR_DOMAIN_BLOCK_JOB_READY;
}