From: Kazuya Mio <k-mio@sx.jp.nec.com>
Date: Wed, 8 Feb 2012 07:34:29 +0000 (+0900)
Subject: ext3: Update ctime in ext3_splice_branch() only when needed
X-Git-Tag: v3.4-rc1~77^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac1334bfdae33be17ae6ae641bbbd1e6a2f04005;p=pandora-kernel.git

ext3: Update ctime in ext3_splice_branch() only when needed

Currently ext3 updates ctime in ext3_splice_branch() which is called whenever
we allocate one block. But it is wasteful because ext3 doesn't support
nanosecond timestamp. This leads to a performance loss.

Signed-off-by: Kazuya Mio <k-mio@sx.jp.nec.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---

Reading git-diff-tree failed