From: Tao Ma <tao.ma@oracle.com>
Date: Tue, 18 Dec 2007 07:47:03 +0000 (+0800)
Subject: [PATCH 1/2] ocfs2: Add group extend for online resize
X-Git-Tag: v2.6.25-rc1~1232^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d659072f736837e56b6433d58e5315ad1d4d5ccf;p=pandora-kernel.git

[PATCH 1/2] ocfs2: Add group extend for online resize

This patch adds the ability for a userspace program to request an extend of
last cluster group on an Ocfs2 file system. The request is made via ioctl,
OCFS2_IOC_GROUP_EXTEND. This is derived from EXT3_IOC_GROUP_EXTEND, but is
obviously Ocfs2 specific.

tunefs.ocfs2 would call this for an online-resize operation if the last
cluster group isn't full.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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