[libvirt PATCH 05/10] virstorageobject: Use automatic mutex management

[Tim Wiederhake <twiederh@xxxxxxxxxx>]

Signed-off-by: Tim Wiederhake <twiederh@xxxxxxxxxx>
---
 src/conf/virstorageobj.c | 116 ++++++++++++++-------------------------
 1 file changed, 42 insertions(+), 74 deletions(-)

diff --git a/src/conf/virstorageobj.c b/src/conf/virstorageobj.c
index c837f96ae6..fe868d25fa 100644
--- a/src/conf/virstorageobj.c
+++ b/src/conf/virstorageobj.c
@@ -455,11 +455,11 @@ virStoragePoolObjListSearchCb(const void *payload,
     virStoragePoolObj *obj = (virStoragePoolObj *) payload;
     struct _virStoragePoolObjListSearchData *data =
         (struct _virStoragePoolObjListSearchData *)opaque;
+    VIR_LOCK_GUARD lock = virObjectLockGuard(obj);
 
-    virObjectLock(obj);
     if (data->searcher(obj, data->opaque))
         return 1;
-    virObjectUnlock(obj);
+
     return 0;
 }
 
@@ -632,20 +632,19 @@ virStoragePoolObjAddVol(virStoragePoolObj *obj,
         return -1;
     }
 
-    virObjectLock(volobj);
+    VIR_WITH_OBJECT_LOCK_GUARD(volobj) {
+        g_hash_table_insert(volumes->objsKey, g_strdup(voldef->key), volobj);
+        virObjectRef(volobj);
 
-    g_hash_table_insert(volumes->objsKey, g_strdup(voldef->key), volobj);
-    virObjectRef(volobj);
+        g_hash_table_insert(volumes->objsName, g_strdup(voldef->name), volobj);
+        virObjectRef(volobj);
 
-    g_hash_table_insert(volumes->objsName, g_strdup(voldef->name), volobj);
-    virObjectRef(volobj);
-
-    g_hash_table_insert(volumes->objsPath, g_strdup(voldef->target.path), volobj);
-    virObjectRef(volobj);
+        g_hash_table_insert(volumes->objsPath, g_strdup(voldef->target.path), volobj);
+        virObjectRef(volobj);
 
-    volobj->voldef = voldef;
+        volobj->voldef = voldef;
+    }
 
-    virObjectUnlock(volobj);
     virObjectUnref(volobj);
     virObjectRWUnlock(volumes);
     return 0;
@@ -671,11 +670,11 @@ virStoragePoolObjRemoveVol(virStoragePoolObj *obj,
              voldef->name, obj->def->name);
 
     virObjectRef(volobj);
-    virObjectLock(volobj);
-    g_hash_table_remove(volumes->objsKey, voldef->key);
-    g_hash_table_remove(volumes->objsName, voldef->name);
-    g_hash_table_remove(volumes->objsPath, voldef->target.path);
-    virObjectUnlock(volobj);
+    VIR_WITH_OBJECT_LOCK_GUARD(volobj) {
+        g_hash_table_remove(volumes->objsKey, voldef->key);
+        g_hash_table_remove(volumes->objsName, voldef->name);
+        g_hash_table_remove(volumes->objsPath, voldef->target.path);
+    }
     virObjectUnref(volobj);
     virObjectRWUnlock(volumes);
 }
@@ -704,16 +703,14 @@ virStoragePoolObjForEachVolumeCb(void *payload,
                                  const char *name G_GNUC_UNUSED,
                                  void *opaque)
 {
-    int ret = 0;
     virStorageVolObj *volobj = payload;
     struct _virStoragePoolObjForEachVolData *data = opaque;
+    VIR_LOCK_GUARD lock = virObjectLockGuard(volobj);
 
-    virObjectLock(volobj);
     if (data->iter(volobj->voldef, data->opaque) < 0)
-        ret = -1;
-    virObjectUnlock(volobj);
+        return -1;
 
-    return ret;
+    return 0;
 }
 
 
@@ -746,14 +743,12 @@ virStoragePoolObjSearchVolumeCb(const void *payload,
     virStorageVolObj *volobj = (virStorageVolObj *) payload;
     struct _virStoragePoolObjSearchVolData *data =
         (struct _virStoragePoolObjSearchVolData *) opaque;
-    int found = 0;
+    VIR_LOCK_GUARD lock = virObjectLockGuard(volobj);
 
-    virObjectLock(volobj);
     if (data->iter(volobj->voldef, data->opaque))
-        found = 1;
-    virObjectUnlock(volobj);
+        return 1;
 
-    return found;
+    return 0;
 }
 
 
@@ -842,17 +837,12 @@ virStoragePoolObjNumOfVolumesCb(void *payload,
 {
     virStorageVolObj *volobj = payload;
     struct _virStorageVolObjCountData *data = opaque;
+    VIR_LOCK_GUARD lock = virObjectLockGuard(volobj);
 
-    virObjectLock(volobj);
-
-    if (data->filter &&
-        !data->filter(data->conn, data->pooldef, volobj->voldef))
-        goto cleanup;
+    if (data->filter && !data->filter(data->conn, data->pooldef, volobj->voldef))
+        return 0;
 
     data->count++;
-
- cleanup:
-    virObjectUnlock(volobj);
     return 0;
 }
 
@@ -891,6 +881,7 @@ virStoragePoolObjVolumeGetNamesCb(void *payload,
 {
     virStorageVolObj *volobj = payload;
     struct _virStorageVolObjNameData *data = opaque;
+    VIR_LOCK_GUARD lock = virObjectLockGuard(volobj);
 
     if (data->error)
         return 0;
@@ -898,19 +889,13 @@ virStoragePoolObjVolumeGetNamesCb(void *payload,
     if (data->maxnames >= 0 && data->nnames == data->maxnames)
         return 0;
 
-    virObjectLock(volobj);
-
-    if (data->filter &&
-        !data->filter(data->conn, data->pooldef, volobj->voldef))
-        goto cleanup;
+    if (data->filter && !data->filter(data->conn, data->pooldef, volobj->voldef))
+        return 0;
 
     if (data->names)
         data->names[data->nnames] = g_strdup(volobj->voldef->name);
 
     data->nnames++;
-
- cleanup:
-    virObjectUnlock(volobj);
     return 0;
 }
 
@@ -961,30 +946,25 @@ virStoragePoolObjVolumeListExportCallback(void *payload,
     virStorageVolObj *volobj = payload;
     virStoragePoolObjVolumeListExportData *data = opaque;
     virStorageVolPtr vol = NULL;
+    VIR_LOCK_GUARD lock = virObjectLockGuard(volobj);
 
     if (data->error)
         return 0;
 
-    virObjectLock(volobj);
-
-    if (data->filter &&
-        !data->filter(data->conn, data->pooldef, volobj->voldef))
-        goto cleanup;
+    if (data->filter && !data->filter(data->conn, data->pooldef, volobj->voldef))
+        return 0;
 
     if (data->vols) {
         if (!(vol = virGetStorageVol(data->conn, data->pooldef->name,
                                      volobj->voldef->name, volobj->voldef->key,
                                      NULL, NULL))) {
             data->error = true;
-            goto cleanup;
+            return 0;
         }
         data->vols[data->nvols] = vol;
     }
 
     data->nvols++;
-
- cleanup:
-    virObjectUnlock(volobj);
     return 0;
 }
 
@@ -1799,19 +1779,15 @@ virStoragePoolObjNumOfStoragePoolsCb(void *payload,
 {
     virStoragePoolObj *obj = payload;
     struct _virStoragePoolCountData *data = opaque;
-
-    virObjectLock(obj);
+    VIR_LOCK_GUARD lock = virObjectLockGuard(obj);
 
     if (data->filter && !data->filter(data->conn, obj->def))
-        goto cleanup;
+        return 0;
 
     if (data->wantActive != virStoragePoolObjIsActive(obj))
-        goto cleanup;
+        return 0;
 
     data->count++;
-
- cleanup:
-    virObjectUnlock(obj);
     return 0;
 }
 
@@ -1851,6 +1827,7 @@ virStoragePoolObjGetNamesCb(void *payload,
 {
     virStoragePoolObj *obj = payload;
     struct _virStoragePoolNameData *data = opaque;
+    VIR_LOCK_GUARD lock = virObjectLockGuard(obj);
 
     if (data->error)
         return 0;
@@ -1858,21 +1835,16 @@ virStoragePoolObjGetNamesCb(void *payload,
     if (data->maxnames >= 0 && data->nnames == data->maxnames)
         return 0;
 
-    virObjectLock(obj);
-
     if (data->filter && !data->filter(data->conn, obj->def))
-        goto cleanup;
+        return 0;
 
     if (data->wantActive != virStoragePoolObjIsActive(obj))
-        goto cleanup;
+        return 0;
 
     if (data->names)
         data->names[data->nnames] = g_strdup(obj->def->name);
 
     data->nnames++;
-
- cleanup:
-    virObjectUnlock(obj);
     return 0;
 }
 
@@ -1994,31 +1966,27 @@ virStoragePoolObjListExportCallback(void *payload,
     virStoragePoolObj *obj = payload;
     virStoragePoolObjListExportData *data = opaque;
     virStoragePoolPtr pool = NULL;
+    VIR_LOCK_GUARD lock = virObjectLockGuard(obj);
 
     if (data->error)
         return 0;
 
-    virObjectLock(obj);
-
     if (data->filter && !data->filter(data->conn, obj->def))
-        goto cleanup;
+        return 0;
 
     if (!virStoragePoolObjMatch(obj, data->flags))
-        goto cleanup;
+        return 0;
 
     if (data->pools) {
         if (!(pool = virGetStoragePool(data->conn, obj->def->name,
                                        obj->def->uuid, NULL, NULL))) {
             data->error = true;
-            goto cleanup;
+            return 0;
         }
         data->pools[data->nPools] = pool;
     }
 
     data->nPools++;
-
- cleanup:
-    virObjectUnlock(obj);
     return 0;
 }
 
-- 
2.31.1