On Wednesday 09 February 2005 22:01, Anthony Brock wrote: > >>>> Paul Warren <[EMAIL PROTECTED]> 02/09/05 10:31AM >>>
> > We've disabled this. Having searched the archives, I believe the > > summary is: > > > > CONFIG_BLK_DEV_UBD_SYNC == YES => All I/O is synchronous and slow > > CONFIG_BLK_DEV_UBD_SYNC == NO => I/O is synchronous if you use ubds= > > on > > > the command line, and the synchronous behaviour is implemented in a > > faster way than if you use the config option. > > > > So, you should never use this config option, even if you want all I/O > > to > > > be synchronous - you're better off using ubds= > Interesting. I was under the impression that the differences, if any, > were now > mute. > However, now that I'm reviewing the archives, the closest > reference I > can find is this: > > http://sourceforge.net/mailarchive/message.php?msg_id=10657257 > > Authoritative clarification would be greatly appreciated! I confirm your idea, being the one who fixed this... however I don't remember when exactly the patch was merged. 2.6.9-bs has it and 2.6.10 and forward have it... maybe even 2.6.9 has, but I'm not sure. That said, since I don't know how back people go for UML patches (people are very brave, plus someone still waits for patches after 2.6.8.1-1um), I still describe that trick. -- Paolo Giarrusso, aka Blaisorblade Linux registered user n. 292729 http://www.user-mode-linux.org/~blaisorblade ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
