blkdebug_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags) { BDRVBlkdebugState *s = bs->opaque; BlkdebugRule *rule = NULL; QSIMPLEQ_FOREACH(rule, &s->active_rules, active_next) { uint64_t inject_offset = rule->options.inject.offset; if (inject_offset == -1 || (inject_offset >= offset && inject_offset < offset + bytes)) { break; if (rule && rule->options.inject.error) { return inject_error(bs, rule); return bdrv_co_preadv(bs->file, offset, bytes, qiov, flags);