Messages in this thread | | | Date | Thu, 26 Mar 2009 10:16:25 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: ext3 IO latency measurements (was: Linux 2.6.29) |
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On Thu, 26 Mar 2009, Theodore Tso wrote: > > You can, actually, but it requires hacking /boot/grub/menu.list. The > boot command option "rootflags=noatime" should do it, if their initrd > scripts are at all sane (and they honor rootfstype, so they probably > do also honor rootflags).
Not when I tried it. It just causes the initrd to be mounted noatime, and then the real root filesystem gets mounted atime again.
Maybe I screwed up. But I don't think so.
> The question is whether we can make Fedora 11 and OpenSUSE do the > right thing now that this has become a highly visible discussion. I'm > actually fairly optimistic on this front. (Maybe some distro folks > will care to chime in on whether upcoming releases of F11 and OpenSuSE > can be changed to DTRT?)
And what's the argument for not doing it in the kernel?
The fact is, "atime" by default is just wrong.
Linus
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