Most modern hard drives don't actually do what most people expect an fsync does anyway. This is an interesting thread about Apple's F_FULLFSYNC ioctl that disc

Most modern hard drives don't actually do what most people expect an fsync does anyway. This is an interesting thread about Apple's F_FULLFSYNC ioctl that discusses the problem (this pat is by Apple FS engineer Dominic Giampaolo): http://lists.apple.com/archives/darwin-dev/2005/Feb/msg00072.html http://lists.apple.com/archives/darwin-dev/2005/Feb/msg00072...