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[Qemu-devel] [PATCH V5 7/8] hmp: add interface hmp_snapshot_delete_blkde


From: Wenchao Xia
Subject: [Qemu-devel] [PATCH V5 7/8] hmp: add interface hmp_snapshot_delete_blkdev_internal
Date: Thu, 11 Jul 2013 13:47:03 +0800

It is hard to make both id and name optional in hmp console as qmp
interface, so this interface require user to specify name.

Signed-off-by: Wenchao Xia <address@hidden>
---
 hmp-commands.hx |   18 ++++++++++++++++++
 hmp.c           |   12 ++++++++++++
 hmp.h           |    1 +
 3 files changed, 31 insertions(+), 0 deletions(-)

diff --git a/hmp-commands.hx b/hmp-commands.hx
index ec613e8..7098c11 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1053,6 +1053,24 @@ Take an internal snapshot on device if it support
 ETEXI
 
     {
+        .name       = "snapshot_delete_blkdev_internal",
+        .args_type  = "device:B,name:s,id:s?",
+        .params     = "device name [id]",
+        .help       = "delete an internal snapshot of device.\n\t\t\t"
+                      "If id is specified, qemu will try delete\n\t\t\t"
+                      "the snapshot matching both id and name.\n\t\t\t"
+                      "The format of the image used by device must\n\t\t\t"
+                      "support it, such as qcow2.\n\t\t\t",
+        .mhandler.cmd = hmp_snapshot_delete_blkdev_internal,
+    },
+
+STEXI
address@hidden snapshot_delete_blkdev_internal
address@hidden snapshot_delete_blkdev_internal
+Delete an internal snapshot on device if it support
+ETEXI
+
+    {
         .name       = "drive_mirror",
         .args_type  = "reuse:-n,full:-f,device:B,target:s,format:s?",
         .params     = "[-n] [-f] device target [format]",
diff --git a/hmp.c b/hmp.c
index d300366..9f9f908 100644
--- a/hmp.c
+++ b/hmp.c
@@ -940,6 +940,18 @@ void hmp_snapshot_blkdev_internal(Monitor *mon, const 
QDict *qdict)
     hmp_handle_error(mon, &errp);
 }
 
+void hmp_snapshot_delete_blkdev_internal(Monitor *mon, const QDict *qdict)
+{
+    const char *device = qdict_get_str(qdict, "device");
+    const char *name = qdict_get_str(qdict, "name");
+    const char *id = qdict_get_try_str(qdict, "id");
+    Error *errp = NULL;
+
+    qmp_blockdev_snapshot_delete_internal_sync(device, !!id, id,
+                                               true, name, &errp);
+    hmp_handle_error(mon, &errp);
+}
+
 void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
 {
     qmp_migrate_cancel(NULL);
diff --git a/hmp.h b/hmp.h
index fddf3a9..fa0e5d9 100644
--- a/hmp.h
+++ b/hmp.h
@@ -55,6 +55,7 @@ void hmp_balloon(Monitor *mon, const QDict *qdict);
 void hmp_block_resize(Monitor *mon, const QDict *qdict);
 void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict);
 void hmp_snapshot_blkdev_internal(Monitor *mon, const QDict *qdict);
+void hmp_snapshot_delete_blkdev_internal(Monitor *mon, const QDict *qdict);
 void hmp_drive_mirror(Monitor *mon, const QDict *qdict);
 void hmp_migrate_cancel(Monitor *mon, const QDict *qdict);
 void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict);
-- 
1.7.1





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