Wishful thinking
Wishful thinking
Posted Mar 16, 2009 8:56 UTC (Mon) by Nick (guest, #15060)In reply to: Wishful thinking by quotemstr
Parent article: Garrett: ext4, application expectations and power management
If there is no new API then the app has to do fsync then rename, then any filesystem that can
cheaply order rename with previous data writes can't avoid the fsync overhead.
cheaply order rename with previous data writes can't avoid the fsync overhead.
fbarrier() fdatabarrier() etc. IMO would be nice simpler API for ordering. Might be harder to
implement in a general way than a data/rename barrier, however.