Messages in this thread | | | Date | Tue, 01 Mar 2005 01:45:47 +0100 | From | Carl-Daniel Hailfinger <> | Subject | Re: updating mtime for char/block devices? |
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Arjan van de Ven schrieb: > On Mon, 2005-02-28 at 00:51 +0100, Carl-Daniel Hailfinger wrote: > >>Hi, >> >>is it intentional that >>echo foo >/dev/hda1 >>doesn't update the mtime of the device node, but >>echo foo >/dev/tty10 >>does update the mtime of the device node? >> >>And no, mounting with the noatime flag doesn't help because the >>mtime is updated. IIRC some time ago this behaviour was different, >>but I could easily be mistaken. > > > devices are tricky in general in this respect, /dev may be mounted read > only for example ;)
Sorry for not specifying my real problem which is preventing disk access when my laptop is running on battery.
Can I prevent mtime updates for all device files? Mounting /dev readonly would certainly help, but for that to work I'd have to move /dev to a different filesystem, right?
Regards, Carl-Daniel -- http://www.hailfinger.org/ - 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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