Re: [PATCH] Syscalls: reboot: Add options to the reboot syscall to remount filesystems ro

[Christoph Hellwig]

On Wed, Mar 02, 2011 at 11:31:22PM -0800, Ken Sumrall 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.
> Now that Android is using EXT4, and since we don't have a standard init
> setup to unmount filesystems before rebooting, this allows the system to
> reboot with clean filesystems, and also improves boot time as the journal
> does not need to be replayed when mounting the filesystem.

Just fix your init.  Or better switch from a piece of shit like Android
userspace to something sane for your phone.

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