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SubjectRe: ext3 IO latency measurements (was: Linux 2.6.29)
Date
Linus Torvalds wrote:
> And quite frankly, even if you then _manually_ put 'relatime' in
> /etc/fstab, the default Fedora install will totally ignore it. Why?
> Because it mounts the root partition while using initrd, and totally
> ignores /etc/fstab.

That's a difference between Fedora's initrd and Debian/Ubuntu's
initramfs-tools then. We do respect the mount options in fstab for the
root partition when root is mounted from the initrd:

$ cat /etc/fstab | grep " / "
/dev/mapper/main-root / ext3 relatime,errors=remount-ro 0 1
$ mount | grep " / "
/dev/mapper/main-root on / type ext3 (rw,relatime,errors=remount-ro)
$ cat /proc/cmdline
root=/dev/mapper/main-root ro vga=791 quiet

Cheers,
FJP


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