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From: Christoph Hellwig <hch@lst.de>
To: Ken Sumrall <ksumrall@android.com>
Cc: linux-kernel@vger.kernel.org,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Christoph Hellwig <hch@lst.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	Jan Kara <jack@suse.cz>, Jens Axboe <axboe@kernel.dk>,
	Matthew Wilcox <matthew@wil.cx>, Eric Paris <eparis@redhat.com>,
	Dave Young <hidave.darkstar@gmail.com>,
	Jiri Slaby <jslaby@suse.cz>, James Morris <jmorris@namei.org>,
	linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH] Syscalls: reboot: Add options to the reboot syscall to remount filesystems ro
Date: Thu, 3 Mar 2011 15:00:27 +0100	[thread overview]
Message-ID: <20110303140027.GA8116@lst.de> (raw)
In-Reply-To: <1299137483-10975-1-git-send-email-ksumrall@android.com>

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.


  parent reply	other threads:[~2011-03-03 14:01 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-03  7:31 [PATCH] Syscalls: reboot: Add options to the reboot syscall to remount filesystems ro Ken Sumrall
2011-03-03  8:18 ` Ingo Molnar
2011-03-03  8:46 ` Dave Young
2011-03-03  8:49   ` Dave Young
2011-03-03 14:00 ` Christoph Hellwig [this message]
2011-03-03 15:52 ` Phil Carmody
2011-03-03 17:45 ` Linus Torvalds
2011-03-03 18:17   ` Linus Torvalds
2011-03-03 18:29     ` Mark Lord
2011-03-03 23:23       ` Ken Sumrall
2011-03-07 11:00     ` Dimitris Papastamos
2011-03-03 18:28   ` Mark Lord
2011-03-03 23:36     ` Linus Torvalds
2011-03-04  2:00       ` Ken Sumrall
2011-03-04  2:33         ` Linus Torvalds
2011-03-04  2:48           ` Mark Lord
2011-03-04  2:55             ` Scott James Remnant
2011-03-05  2:45               ` Mark Lord
2011-03-04  6:55       ` Artem Bityutskiy

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