[libvirt] [PATCH 3/3] storage: Add virsh support for fs pool formating
Daniel Veillard
veillard at redhat.com
Fri Sep 2 11:16:43 UTC 2011
On Wed, Aug 31, 2011 at 10:34:48PM +0800, Osier Yang wrote:
> ---
> tools/virsh.c | 14 ++++++++++++--
> tools/virsh.pod | 11 ++++++++++-
> 2 files changed, 22 insertions(+), 3 deletions(-)
>
> diff --git a/tools/virsh.c b/tools/virsh.c
> index 49034ae..cd87107 100644
> --- a/tools/virsh.c
> +++ b/tools/virsh.c
> @@ -7134,6 +7134,8 @@ static const vshCmdInfo info_pool_build[] = {
>
> static const vshCmdOptDef opts_pool_build[] = {
> {"pool", VSH_OT_DATA, VSH_OFLAG_REQ, N_("pool name or uuid")},
> + {"no-overwrite", VSH_OT_BOOL, 0, N_("do not overwrite an existing pool of this type")},
> + {"overwrite", VSH_OT_BOOL, 0, N_("overwrite any existing data")},
> {NULL, 0, 0, NULL}
> };
>
> @@ -7143,6 +7145,7 @@ cmdPoolBuild(vshControl *ctl, const vshCmd *cmd)
> virStoragePoolPtr pool;
> bool ret = true;
> const char *name;
> + unsigned int flags = 0;
>
> if (!vshConnectionUsability(ctl, ctl->conn))
> return false;
> @@ -7150,7 +7153,15 @@ cmdPoolBuild(vshControl *ctl, const vshCmd *cmd)
> if (!(pool = vshCommandOptPool(ctl, cmd, "pool", &name)))
> return false;
>
> - if (virStoragePoolBuild(pool, 0) == 0) {
> + if (vshCommandOptBool (cmd, "no-overwrite")) {
> + flags |= VIR_STORAGE_POOL_BUILD_NO_OVERWRITE;
> + }
> +
> + if (vshCommandOptBool (cmd, "overwrite")) {
> + flags |= VIR_STORAGE_POOL_BUILD_OVERWRITE;
> + }
> +
> + if (virStoragePoolBuild(pool, flags) == 0) {
> vshPrint(ctl, _("Pool %s built\n"), name);
> } else {
> vshError(ctl, _("Failed to build pool %s"), name);
> @@ -7162,7 +7173,6 @@ cmdPoolBuild(vshControl *ctl, const vshCmd *cmd)
> return ret;
> }
>
> -
> /*
> * "pool-destroy" command
> */
> diff --git a/tools/virsh.pod b/tools/virsh.pod
> index 2cd0f73..27e6f05 100644
> --- a/tools/virsh.pod
> +++ b/tools/virsh.pod
> @@ -1274,10 +1274,19 @@ where the query is performed.
>
> Configure whether I<pool> should automatically start at boot.
>
> -=item B<pool-build> I<pool-or-uuid>
> +=item B<pool-build> I<pool-or-uuid> [I<--overwrite>] [I<--no-overwrite>]
>
> Build a given pool.
>
> +Options I<--overwrite> and I<--no-overwrite> can only be used for
> +B<pool-build> a filesystem pool. If neither of them is specified,
> +B<pool-build> on a filesystem pool only makes the directory; If
> +I<--no-overwrite> is specified, it probes to determine if a
> +filesystem already exists on the target device, returning an error
> +if exists, or using mkfs to format the target device if not; If
> +I<--overwrite> is specified, mkfs is always executed, any existed
> +data on the target device is overwritten unconditionally.
> +
> =item B<pool-create> I<file>
>
> Create and start a pool object from the XML I<file>.
ACK,
Daniel
--
Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
daniel at veillard.com | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library http://libvirt.org/
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