final OClusterPage prevPage = new OClusterPage(prevPageCacheEntry, false, trackMode);
prevPage.setRecordLongValue(prevPageRecordPosition, -OLongSerializer.LONG_SIZE, pagePointer);
logPageChanges(prevPage, fileId, prevPageIndex, false);
prevPageCacheEntry.markDirty();
} finally {
prevPageCacheEntry.releaseExclusiveLock();
diskCache.release(prevPageCacheEntry);
}
}