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