'Buffer head' presentation slideshows

CSE 451: Operating Systems

CSE 451: Operating Systems. Section 8 Linux buffer cache; design principles. Outline. Thread preemption (project 2b) RPC Linux buffer cache Networking design principles. Mutex: no preemption. mutex_lock(lock) if (lock->held == 0) lock->held = 1; else enqueue(

331 views • 24 slides

Ch 13 Block I/O Layer

제 50 강 : Block IO Layer. Ch 13 Block I/O Layer. Vectored I/O (scatter-read, gather-write). P1. text. different permission (R W X ..) | different page. text. P2. a.out. data. data. lib. P3. lib. Reminder – Lion’s code. bread(buf) 4754 call bdevsw[].d_strategy(rbp) 4763

308 views • 17 slides

288 views • 13 slides