r_counter         681 fs/pipe.c      		pipe->r_counter = pipe->w_counter = 1;
r_counter         943 fs/pipe.c      		pipe->r_counter++;
r_counter         974 fs/pipe.c      			if (wait_for_partner(pipe, &pipe->r_counter))
r_counter         989 fs/pipe.c      		pipe->r_counter++;
r_counter          56 include/linux/pipe_fs_i.h 	unsigned int r_counter;