[libvirt] [PATCH] qemu: improve efficiency of dd during snapshots
Paweł Krześniak
pawel.krzesniak at gmail.com
Thu Dec 30 08:48:16 UTC 2010
On Wed, Dec 22, 2010 at 22:06, Eric Blake <eblake at redhat.com> wrote:
> 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,
typo: semicolon before obs. Should be:
"dd ibs=%llu obs=%llu } 1<>%s" VIR_WRAPPER_SHELL_SUFFIX,
--
Pawel
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