Re: [PATCH] virsh-volume: add support for --reflink

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On 02/01/2015 10:14 PM, Chen Hanxiao wrote:
> add support for --reflink to specify
> VIR_STORAGE_VOL_CREATE_REFLINK flag.
> 
> Signed-off-by: Chen Hanxiao <chenhanxiao@xxxxxxxxxxxxxx>
> ---
>  tools/virsh-volume.c | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 

What about the man page (virsh.pod) to describe --reflink?


> diff --git a/tools/virsh-volume.c b/tools/virsh-volume.c
> index d585ee2..db94154 100644
> --- a/tools/virsh-volume.c
> +++ b/tools/virsh-volume.c
> @@ -204,6 +204,7 @@ cmdVolCreateAs(vshControl *ctl, const vshCmd *cmd)
>  
>      if (vshCommandOptBool(cmd, "prealloc-metadata"))
>          flags |= VIR_STORAGE_VOL_CREATE_PREALLOC_METADATA;
> +
>      if (!(pool = vshCommandOptPool(ctl, cmd, "pool", NULL)))
>          return false;
>  
> @@ -378,6 +379,7 @@ cmdVolCreate(vshControl *ctl, const vshCmd *cmd)
>  
>      if (vshCommandOptBool(cmd, "prealloc-metadata"))
>          flags |= VIR_STORAGE_VOL_CREATE_PREALLOC_METADATA;
> +
>      if (!(pool = vshCommandOptPool(ctl, cmd, "pool", NULL)))
>          return false;
>  
> @@ -441,6 +443,10 @@ static const vshCmdOptDef opts_vol_create_from[] = {
>       .type = VSH_OT_BOOL,
>       .help = N_("preallocate metadata (for qcow2 instead of full allocation)")
>      },
> +    {.name = "reflink",
> +     .type = VSH_OT_BOOL,
> +     .help = N_("use btrfs COW lightweight copy")
> +    },
>      {.name = NULL}
>  };
>  
> @@ -460,6 +466,9 @@ cmdVolCreateFrom(vshControl *ctl, const vshCmd *cmd)
>      if (vshCommandOptBool(cmd, "prealloc-metadata"))
>          flags |= VIR_STORAGE_VOL_CREATE_PREALLOC_METADATA;
>  
> +    if (vshCommandOptBool(cmd, "reflink"))
> +        flags |= VIR_STORAGE_VOL_CREATE_REFLINK;
> +
>      if (vshCommandOptStringReq(ctl, cmd, "file", &from) < 0)
>          goto cleanup;
>  
> @@ -554,6 +563,10 @@ static const vshCmdOptDef opts_vol_clone[] = {
>       .type = VSH_OT_BOOL,
>       .help = N_("preallocate metadata (for qcow2 instead of full allocation)")
>      },
> +    {.name = "reflink",
> +     .type = VSH_OT_BOOL,
> +     .help = N_("use btrfs COW lightweight copy")
> +    },
>      {.name = NULL}
>  };
>  
> @@ -574,6 +587,9 @@ cmdVolClone(vshControl *ctl, const vshCmd *cmd)
>      if (vshCommandOptBool(cmd, "prealloc-metadata"))
>          flags |= VIR_STORAGE_VOL_CREATE_PREALLOC_METADATA;
>  
> +    if (vshCommandOptBool(cmd, "reflink"))
> +        flags |= VIR_STORAGE_VOL_CREATE_REFLINK;
> +
>      origpool = virStoragePoolLookupByVolume(origvol);
>      if (!origpool) {
>          vshError(ctl, "%s", _("failed to get parent pool"));
> 

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