void block_job_complete(BlockJob *job, Error **errp)
{
- if (job->paused || job->cancelled || !job->driver->complete) {
+ if (job->pause_count || job->cancelled || !job->driver->complete) {
error_set(errp, QERR_BLOCK_JOB_NOT_READY,
bdrv_get_device_name(job->bs));
return;
void block_job_pause(BlockJob *job)
{
- job->paused = true;
+ job->pause_count++;
}
bool block_job_is_paused(BlockJob *job)
{
- return job->paused;
+ return job->pause_count > 0;
}
void block_job_resume(BlockJob *job)
{
- job->paused = false;
+ assert(job->pause_count > 0);
+ job->pause_count--;
+ if (job->pause_count) {
+ return;
+ }
+ block_job_enter(job);
+}
+
+void block_job_enter(BlockJob *job)
+{
block_job_iostatus_reset(job);
if (job->co && !job->busy) {
qemu_coroutine_enter(job->co, NULL);
void block_job_cancel(BlockJob *job)
{
job->cancelled = true;
- block_job_resume(job);
+ block_job_enter(job);
}
bool block_job_is_cancelled(BlockJob *job)
info->device = g_strdup(bdrv_get_device_name(job->bs));
info->len = job->len;
info->busy = job->busy;
- info->paused = job->paused;
+ info->paused = job->pause_count > 0;
info->offset = job->offset;
info->speed = job->speed;
info->io_status = job->iostatus;
IO_OPERATION_TYPE_WRITE,
action, &error_abort);
if (action == BLOCK_ERROR_ACTION_STOP) {
+ /* make the pause user visible, which will be resumed from QMP. */
+ job->user_paused = true;
block_job_pause(job);
block_job_iostatus_set_err(job, error);
if (bs != job->bs) {