> > But what can be done if fsync returns before pages flushed?
> No, it won't. When fsync returns, data is promised by the OS to be on
> disk.

Seems you didn't follow discussions about this issue.

Vadim

Wed, 7 Mar 2001 13:04:20 -0800 
"Mikheev, Vadim" <vmikheev@SECTORBASE.COM>
RE: Proposed WAL changes