[libvirt] [PATCH 1/2] secrets: Convert to use ObjectRWLockable

[John Ferlan]

Let's use the ObjectRWLockable for the various list lock mgmt.
Only time need Write lock will be for Add/Remove logic.

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/conf/virsecretobj.c | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/src/conf/virsecretobj.c b/src/conf/virsecretobj.c
index 4dca152d48..47e0b28968 100644
--- a/src/conf/virsecretobj.c
+++ b/src/conf/virsecretobj.c
@@ -52,7 +52,7 @@ static void virSecretObjDispose(void *obj);
 static void virSecretObjListDispose(void *obj);
 
 struct _virSecretObjList {
-    virObjectLockable parent;
+    virObjectRWLockable parent;
 
     /* uuid string -> virSecretObj  mapping
      * for O(1), lockless lookup-by-uuid */
@@ -74,7 +74,7 @@ virSecretObjOnceInit(void)
                                           virSecretObjDispose)))
         return -1;
 
-    if (!(virSecretObjListClass = virClassNew(virClassForObjectLockable(),
+    if (!(virSecretObjListClass = virClassNew(virClassForObjectRWLockable(),
                                               "virSecretObjList",
                                               sizeof(virSecretObjList),
                                               virSecretObjListDispose)))
@@ -123,7 +123,7 @@ virSecretObjListNew(void)
     if (virSecretObjInitialize() < 0)
         return NULL;
 
-    if (!(secrets = virObjectLockableNew(virSecretObjListClass)))
+    if (!(secrets = virObjectRWLockableNew(virSecretObjListClass)))
         return NULL;
 
     if (!(secrets->objs = virHashCreate(50, virObjectFreeHashData))) {
@@ -193,9 +193,9 @@ virSecretObjListFindByUUID(virSecretObjListPtr secrets,
 {
     virSecretObjPtr obj;
 
-    virObjectLock(secrets);
+    virObjectRWLockRead(secrets);
     obj = virSecretObjListFindByUUIDLocked(secrets, uuidstr);
-    virObjectUnlock(secrets);
+    virObjectRWUnlock(secrets);
     if (obj)
         virObjectLock(obj);
     return obj;
@@ -272,9 +272,9 @@ virSecretObjListFindByUsage(virSecretObjListPtr secrets,
 {
     virSecretObjPtr obj;
 
-    virObjectLock(secrets);
+    virObjectRWLockRead(secrets);
     obj = virSecretObjListFindByUsageLocked(secrets, usageType, usageID);
-    virObjectUnlock(secrets);
+    virObjectRWUnlock(secrets);
     if (obj)
         virObjectLock(obj);
     return obj;
@@ -305,12 +305,12 @@ virSecretObjListRemove(virSecretObjListPtr secrets,
     virObjectRef(obj);
     virObjectUnlock(obj);
 
-    virObjectLock(secrets);
+    virObjectRWLockWrite(secrets);
     virObjectLock(obj);
     virHashRemoveEntry(secrets->objs, uuidstr);
     virObjectUnlock(obj);
     virObjectUnref(obj);
-    virObjectUnlock(secrets);
+    virObjectRWUnlock(secrets);
 }
 
 
@@ -336,7 +336,7 @@ virSecretObjListAdd(virSecretObjListPtr secrets,
     virSecretObjPtr ret = NULL;
     char uuidstr[VIR_UUID_STRING_BUFLEN];
 
-    virObjectLock(secrets);
+    virObjectRWLockWrite(secrets);
 
     if (oldDef)
         *oldDef = NULL;
@@ -405,7 +405,7 @@ virSecretObjListAdd(virSecretObjListPtr secrets,
 
  cleanup:
     virSecretObjEndAPI(&obj);
-    virObjectUnlock(secrets);
+    virObjectRWUnlock(secrets);
     return ret;
 }
 
@@ -496,9 +496,9 @@ virSecretObjListNumOfSecrets(virSecretObjListPtr secrets,
     struct virSecretCountData data = {
         .conn = conn, .filter = filter, .count = 0 };
 
-    virObjectLock(secrets);
+    virObjectRWLockRead(secrets);
     virHashForEach(secrets->objs, virSecretObjListNumOfSecretsCallback, &data);
-    virObjectUnlock(secrets);
+    virObjectRWUnlock(secrets);
 
     return data.count;
 }
@@ -595,15 +595,15 @@ virSecretObjListExport(virConnectPtr conn,
         .filter = filter, .flags = flags,
         .nsecrets = 0, .error = false };
 
-    virObjectLock(secretobjs);
+    virObjectRWLockRead(secretobjs);
     if (secrets &&
         VIR_ALLOC_N(data.secrets, virHashSize(secretobjs->objs) + 1) < 0) {
-        virObjectUnlock(secretobjs);
+        virObjectRWUnlock(secretobjs);
         return -1;
     }
 
     virHashForEach(secretobjs->objs, virSecretObjListExportCallback, &data);
-    virObjectUnlock(secretobjs);
+    virObjectRWUnlock(secretobjs);
 
     if (data.error)
         goto error;
@@ -633,9 +633,9 @@ virSecretObjListGetUUIDs(virSecretObjListPtr secrets,
         .conn = conn, .filter = filter, .uuids = uuids, .nuuids = 0,
         .maxuuids = maxuuids, .error = false };
 
-    virObjectLock(secrets);
+    virObjectRWLockRead(secrets);
     virHashForEach(secrets->objs, virSecretObjListGetUUIDsCallback, &data);
-    virObjectUnlock(secrets);
+    virObjectRWUnlock(secrets);
 
     if (data.error)
         goto error;
-- 
2.13.6