NVMeVirt (6) - GC, WAF 모니터링 기능 디버깅 메모

단순한 메모글입니다.

GC procedure §

• do_gc

  • foreground_gc
    • check_and_refill_write_credit: wfc->write_credits <= 0 일때 GC
      • conv_write

• gc_thres_lines, gc_thres_lines_high == 2 (conv_init_params())

• ch: 8
• luns: 2/ch
• pln: 1/lun
• line: 8192
• pgs
• wfc.credits_to_refill == pgs_per_line
• write