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

[Chen Hanxiao]

add support for --reflink to specify
VIR_STORAGE_VOL_CREATE_REFLINK flag.

Signed-off-by: Chen Hanxiao <chenhanxiao at cn.fujitsu.com>
---
 tools/virsh-volume.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

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"));
-- 
2.1.0