down_trylock      541 fs/xfs/linux-2.6/xfs_buf.c 	if (down_trylock(&bp->b_sema)) {
down_trylock      881 fs/xfs/linux-2.6/xfs_buf.c 	locked = down_trylock(&bp->b_sema) == 0;
down_trylock       45 include/linux/semaphore.h extern int __must_check down_trylock(struct semaphore *sem);
down_trylock      500 include/linux/usb.h #define usb_trylock_device(udev)	down_trylock(&(udev)->dev.sem)
down_trylock      972 kernel/printk.c 	if (down_trylock(&console_sem))
down_trylock     1071 kernel/printk.c 		if (down_trylock(&console_sem) != 0)