Messages in this thread | | | Date | Sun, 13 Jul 2003 11:55:49 -0400 | From | Jeff Garzik <> | Subject | Re: 2.5 'what to expect' |
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Andreas Dilger wrote: > On Jul 12, 2003 20:46 +0100, Jamie Lokier wrote: > >>Jeff Garzik wrote: >> >>>Jamie Lokier wrote: >>> >>>>2.4 fails on write()? A strace of "rpm --rebuilddb" shows it is >>>>opening with O_DIRECT and writing just fine. Or does that only work >>>>with RedHat's 2.4 kernels? >>> >>>Are you testing on a filesystem where an O_DIRECT is not supported? >>>The "it works" case is not an issue. >> >>ext3. > > > ext3 in 2.4 kernels does not support O_DIRECT. To confuse matters, > recent RH kernels silently ignore O_DIRECT if you are not root, so > you may think O_DIRECT is being used, but it isn't.
ahhh, that's probably what is going on. I was thinking only of stock 2.4 behavior (open succeeds, write fails).
Jeff
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