Messages in this thread | | | Date | Tue, 31 Aug 2004 22:54:23 +0200 | From | Pavel Machek <> | Subject | Re: silent semantic changes with reiser4 |
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Hi!
> > It buys me caching. > > I'll actually buy into that. If only because I consider caching to be one > of the more important things that the kernel does (caches are a _classic_ > case of "shared data that needs synchronization"). > > However, that said, user space can trivially cache things in the > filesystem, so while this may be a convenient feature, I think you should > look at perhaps doing it in the _shell_ instead..
That cache should disappear as soon as I need disk space. I.e. userspace should never see -ENOSPC because of this kind of caching. This need some kernel support. Ouch and cached file should atomically go away as soon as main file changes, otherwise I do not see how multiple processes could cooperate on caching...
chattr +kill-this-file-when-low-on-disk-space patch.bz2...ubz
would solve first problem. Not sure how to do the second one.
Pavel -- People were complaining that M$ turns users into beta-testers... ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl! - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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