From: Tao Ma <boyu.mt@taobao.com>
Date: Sat, 8 Oct 2011 19:56:35 +0000 (-0400)
Subject: ext4: remove the obsolete/broken EXT4_IOC_WAIT_FOR_READONLY ioctl
X-Git-Tag: v3.2-rc1~85^2~52
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7fd59c83b05dc1b8af2be4d991ee376f782cd8b0;p=pandora-kernel.git

ext4: remove the obsolete/broken EXT4_IOC_WAIT_FOR_READONLY ioctl

There are no users of the EXT4_IOC_WAIT_FOR_READONLY ioctl, and it is
also broken.  No one sets the set_ro_timer, no one wakes up us and our
state is set to TASK_INTERRUPTIBLE not RUNNING.  So remove it.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---

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