OK to expect O_SYNC?

[nickolas.landsberg]

In article <891 at nlsun1.oracle.nl> bengsig at oracle.nl (Bjorn Engsig) writes:
>There has been a discussion in comp.databases about the O_SYNC flag, write(),
>etc.  This should be taken up in this group.
>
>Included are abstracts from the discussion (I hope I got the quotations right,
>else please excuse me):
	[ much deleted for brevity ]
>Article <1990May18.010853.19303 at virtech.uucp> by cpcahil at virtech.UUCP (Conor P. Cahill) says:
>|
>|No this is not true.  All write() system calls write the data into a unix
>|kernel buffer (assuming they are writing to a file descriptor that is
>|associated with a file fed through the buffer cache (character devices
>|being a not