lock_daemon: Switch to wrapper locking functions

Lets use wrapper functions virLockDaemonLock and
virLockDaemonUnlock instead of virMutexLock and virMutexUnlock.
This has no functional impact, but it's easier to read (at least
for me).
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

src/locking/lock_daemon.c

@@ -125,6 +125,17 @@ virLockDaemonFree(virLockDaemonPtr lockd)
     VIR_FREE(lockd);
 }
 
+static inline void
+virLockDaemonLock(virLockDaemonPtr lockd)
+{
+    virMutexLock(&lockd->lock);
+}
+
+static inline void
+virLockDaemonUnlock(virLockDaemonPtr lockd)
+{
+    virMutexUnlock(&lockd->lock);
+}
 
 static void virLockDaemonLockSpaceDataFree(void *data,
                                            const void *key ATTRIBUTE_UNUSED)
@@ -275,9 +286,9 @@ int virLockDaemonAddLockSpace(virLockDaemonPtr lockd,
                               virLockSpacePtr lockspace)
 {
     int ret;
-    virMutexLock(&lockd->lock);
+    virLockDaemonLock(lockd);
     ret = virHashAddEntry(lockd->lockspaces, path, lockspace);
-    virMutexUnlock(&lockd->lock);
+    virLockDaemonUnlock(lockd);
     return ret;
 }
 
@@ -285,12 +296,12 @@ virLockSpacePtr virLockDaemonFindLockSpace(virLockDaemonPtr lockd,
                                            const char *path)
 {
     virLockSpacePtr lockspace;
-    virMutexLock(&lockd->lock);
+    virLockDaemonLock(lockd);
     if (path && STRNEQ(path, ""))
         lockspace = virHashLookup(lockd->lockspaces, path);
     else
         lockspace = lockd->defaultLockspace;
-    virMutexUnlock(&lockd->lock);
+    virLockDaemonUnlock(lockd);
     return lockspace;
 }
 
@@ -675,14 +686,14 @@ virLockDaemonClientFree(void *opaque)
 
         /* Release all locks associated with this
          * owner in all lockspaces */
-        virMutexLock(&lockDaemon->lock);
+        virLockDaemonLock(lockDaemon);
         virHashForEach(lockDaemon->lockspaces,
                        virLockDaemonClientReleaseLockspace,
                        &data);
         virLockDaemonClientReleaseLockspace(lockDaemon->defaultLockspace,
                                             "",
                                             &data);
-        virMutexUnlock(&lockDaemon->lock);
+        virLockDaemonUnlock(lockDaemon);
 
         /* If the client had some active leases when it
          * closed the connection, we must kill it off