That massive filesystem thread
That massive filesystem thread
Posted Apr 1, 2009 12:17 UTC (Wed) by butlerm (subscriber, #13312)In reply to: That massive filesystem thread by nix
Parent article: That massive filesystem thread
Or in other words, fbarrier is a completely different kind of barrier than
the one that the "barrier=1" mount option requests. The latter is a low
level block I/O write barrier usually implemented with a full write cache
flush (barring some sort of battery backup), the former is a data before
meta data barrier.
the one that the "barrier=1" mount option requests. The latter is a low
level block I/O write barrier usually implemented with a full write cache
flush (barring some sort of battery backup), the former is a data before
meta data barrier.