Re: [libvirt] [PATCH] qemu: improve efficiency of dd during snapshots

diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c index 7877731..284f9c4 100644 --- a/src/qemu/qemu_monitor_json.c +++ b/src/qemu/qemu_monitor_json.c @@ -1695,10 +1695,11 @@ int qemuMonitorJSONMigrateToFile(qemuMonitorPtr mon,      * <> redirection to avoid truncating a regular file.  */     if (virAsprintf(&dest, "exec:" VIR_WRAPPER_SHELL_PREFIX "%s | "                     "{ dd bs=%llu seek=%llu if=/dev/null && " -                    "dd bs=%llu; } 1<>%s" VIR_WRAPPER_SHELL_SUFFIX, +                    "dd ibs=%llu; obs=%llu } 1<>%s" VIR_WRAPPER_SHELL_SUFFIX,