Re: fsync or fdatasync

On Mon, Sep 09, 2002 at 05:11:27PM -0700, Sean Chittenden wrote:
> > No, fsync() is not a no-op on linux.
> > Unless the filesystem is mounted with o_sync, I suppose - then
> > everything is written at write() so fsync() is not needed. But
> > generally, it does sync.
>
> Hrm, alright.  From what I've figured out, about ~6wk ago fsync() was
> added to linux to have it actually fsync()... mind you someone quickly
> turned around and created a new patchset that ripped the functionality
> out and added it to an extreme linux distro.  ::shrug:: <opinion>Linux
> is out of control.</opinion> -sc

"6wk"?

Linux has had fsync for as long as I can remember.

Maybe you have it confused with fsync() over NFS? The NFSv2
implementation on linux used to have "async" flag for nfs as default -
making it non NFS-compliant without reconfiguration.


--
Ragnar Kjørstad
Big Storage