On 10/12/2010 06:27 PM, David Lehman wrote:
This relies on a proposed patch to add dm_task_set_newuuid to libdevmapper
and accompanying support in the kernel device-mapper layer.
This looks good.
Related: rhbz#584328
---
dm.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 54 insertions(+), 1 deletions(-)
diff --git a/dm.c b/dm.c
index 8747cde..5daa0e5 100644
--- a/dm.c
+++ b/dm.c
@@ -1076,6 +1076,52 @@ pydm_map_set_name(PydmMapObject *map, const char *name)
}
static int
+pydm_map_set_uuid(PydmMapObject *map, const char *uuid)
+{
+ struct dm_task *task;
+ int rc;
+ char *newuuid;
+
+ rc = pydm_map_refresh(map);
+ if (rc< 0)
+ return rc;
+
+ dm_log_init(pydm_log_fn);
+ task = dm_task_create(DM_DEVICE_RENAME);
+ if (!task) {
+ if (!PyErr_Occurred()) {
+ printf("%s: %d\n", __FILE__, __LINE__);
+ PyErr_NoMemory();
+ }
+ dm_log_init(NULL);
+ return -1;
+ }
+
+ newuuid = strdup(uuid);
+ if (!newuuid) {
+ dm_task_destroy(task);
+ dm_log_init(NULL);
+ printf("%s: %d\n", __FILE__, __LINE__);
+ PyErr_NoMemory();
+ return -1;
+ }
+
+ dm_task_set_name(task, map->name);
+ dm_task_set_newuuid(task, newuuid);
+ dm_task_run(task);
+ python_error_destroy_task(task, -1);
+
+ dm_task_update_nodes();
+ dm_task_destroy(task);
+ dm_log_init(NULL);
+
+ free(map->uuid);
+ map->uuid = newuuid;
+
+ return pydm_map_refresh(map);
+}
+
+static int
pydm_map_set_suspend(PydmMapObject *map, int suspend)
{
struct dm_task *task;
@@ -1363,6 +1409,13 @@ pydm_map_set(PyObject *self, PyObject *value, void *data)
return -1;
return pydm_map_set_name(map, newname);
+ } else if (!strcmp(attr, "uuid")) {
+ char *newuuid = PyString_AsString(value);
+
+ if (!newuuid || PyErr_Occurred())
+ return -1;
+
+ return pydm_map_set_uuid(map, newuuid);
} else if (!strcmp(attr, "suspended")) {
long suspended = value == Py_True ? 1 : 0;
@@ -1389,7 +1442,7 @@ static struct PyGetSetDef pydm_map_getseters[] = {
{"open_count", (getter)pydm_map_get, NULL, "open_count", "open_count"},
{"name", (getter)pydm_map_get, (setter)pydm_map_set,
"name", "name"},
- {"uuid", (getter)pydm_map_get, NULL, "uuid", "uuid"},
+ {"uuid", (getter)pydm_map_get, (setter)pydm_map_set, "uuid", "uuid"},
{"dev", (getter)pydm_map_get, pydm_map_set, "dev", "dev"},
{NULL},
};
--
Peter
Computers have already beaten communists at chess. The next thing you
know, they'll be beating humans.
-- Dale
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