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    SubjectRe: [PATCH] Syscalls: reboot: Add options to the reboot syscall to remount filesystems ro
    On Wed, Mar 2, 2011 at 11:31 PM, Ken Sumrall <ksumrall@android.com> wrote:
    >
    > Add 4 new commands to the reboot system call, that do the same thing as the
    > RESTART, HALT, POWER_OFF, and RESTART2 commands, but also remount writable
    > filesystems as read-only just before doing what the command normally does.

    This makes no sense.

    If you can change whatever user-land process that does the reboot
    system call (and clearly you can, since you're adding new commands and
    using those), then why the heck don't you just do the remount-ro from
    that same user land?

    How many mounted filesystems do you have that it's so hard to keep track of?

    Linus


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