j_lock 1232 fs/ocfs2/journal.c spin_lock(&journal->j_lock); j_lock 1234 fs/ocfs2/journal.c spin_unlock(&journal->j_lock); j_lock 1322 fs/ocfs2/journal.c spin_lock(&journal->j_lock); j_lock 1325 fs/ocfs2/journal.c spin_unlock(&journal->j_lock); j_lock 56 fs/ocfs2/journal.h spinlock_t j_lock; j_lock 2197 fs/ocfs2/super.c spin_lock_init(&journal->j_lock);