j_barrier        1130 fs/jbd2/journal.c 	mutex_init(&journal->j_barrier);
j_barrier         792 fs/jbd2/transaction.c 	mutex_lock(&journal->j_barrier);
j_barrier         807 fs/jbd2/transaction.c 	mutex_unlock(&journal->j_barrier);
j_barrier         806 include/linux/jbd2.h 	struct mutex		j_barrier;