char *backing_file_str;
} CommitBlockJob;
-static int coroutine_fn commit_populate(BlockBackend *bs, BlockBackend *base,
- int64_t offset, uint64_t bytes,
- void *buf)
-{
- int ret = 0;
-
- assert(bytes < SIZE_MAX);
-
- ret = blk_co_pread(bs, offset, bytes, buf, 0);
- if (ret < 0) {
- return ret;
- }
-
- ret = blk_co_pwrite(base, offset, bytes, buf, 0);
- if (ret < 0) {
- return ret;
- }
-
- return 0;
-}
-
static int commit_prepare(Job *job)
{
CommitBlockJob *s = container_of(job, CommitBlockJob, common.job);
for (offset = 0; offset < len; offset += n) {
bool copy;
+ bool error_in_source = true;
/* Note that even when no rate limit is applied we need to yield
* with no pending I/O here so that bdrv_drain_all() returns.
copy = (ret == 1);
trace_commit_one_iteration(s, offset, n, ret);
if (copy) {
- ret = commit_populate(s->top, s->base, offset, n, buf);
+ assert(n < SIZE_MAX);
+
+ ret = blk_co_pread(s->top, offset, n, buf, 0);
+ if (ret >= 0) {
+ ret = blk_co_pwrite(s->base, offset, n, buf, 0);
+ if (ret < 0) {
+ error_in_source = false;
+ }
+ }
}
if (ret < 0) {
BlockErrorAction action =
- block_job_error_action(&s->common, s->on_error, false, -ret);
+ block_job_error_action(&s->common, s->on_error,
+ error_in_source, -ret);
if (action == BLOCK_ERROR_ACTION_REPORT) {
goto out;
} else {