On Fri, Jun 12, 2009 at 03:07:38AM +0100, Jamie Lokier wrote: > > Some of the common failures are: > > - program overwrites the old config file > > - program writes a new file, but forgets to fsync before rename > > - program writes the new file in /tmp, so the rename fails on > > some systems > > - program writes a new file and fsyncs, but forgets to give the > > new file the same file ownership, permission and/or extended > > attributes as the old file > > It's also really hard to do those things from shell scripts, so they > are almost never done there. That's a good point, but O_(PONIES|REWRITE) doesn't fix that problem, since shell scripts can't specify it, and shells can't do it automatically for all files created. -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
