----- Start Original Message ----- Sent: Fri, 4 Aug 2006 11:23:50 -0400 From: Neale Ferguson <[EMAIL PROTECTED]> To: [email protected] Subject: ext3 and BKL
> Reiser still makes extensive use of the BKL (Big Kernel Lock). That was true for V3 but not V4. >In 2.4 ext3 > appeared to use it a lot too. What is the state of play with ext3 and BKL in > 2.6. Looks like BKL was removed from ext3 back at 2.5.73 >Just looking at the source I couldn't find any references to > lock_kernel. The locks appear to be local (buffer, ext3_handler ...). I know > there were significant performance improvements shown in some benchmarks run > on 2.6 compared to those on 2.4 and also scalability improvements. The > latter indicates a lesser reliance on things like BKL. Mark ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
