ext4: remove unnecessary [cm]time update of quota file

#ifdef CONFIG_QUOTA

/* Amount of blocks needed for quota update - we know that the structure was

 * allocated so we need to update only inode+data */

#define EXT4_QUOTA_TRANS_BLOCKS(sb) (test_opt(sb, QUOTA) ? 2 : 0)

 * allocated so we need to update only data block */

#define EXT4_QUOTA_TRANS_BLOCKS(sb) (test_opt(sb, QUOTA) ? 1 : 0)

/* Amount of blocks needed for quota insert/delete - we do some block writes

 * but inode, sb and group updates are done only once */

#define EXT4_QUOTA_INIT_BLOCKS(sb) (test_opt(sb, QUOTA) ? (DQUOT_INIT_ALLOC*\

static int ext4_quota_off(struct super_block *sb, int type)

{

	struct inode *inode = sb_dqopt(sb)->files[type];

	handle_t *handle;

	/* Force all delayed allocation blocks to be allocated.

	 * Caller already holds s_umount sem */

	if (test_opt(sb, DELALLOC))

		sync_filesystem(sb);

	/* Update modification times of quota files when userspace can

	 * start looking at them */

	handle = ext4_journal_start(inode, 1);

	if (IS_ERR(handle))

		goto out;

	inode->i_mtime = inode->i_ctime = CURRENT_TIME;

	ext4_mark_inode_dirty(handle, inode);

	ext4_journal_stop(handle);

out:

	return dquot_quota_off(sb, type);

}

	if (inode->i_size < off + len) {

		i_size_write(inode, off + len);

		EXT4_I(inode)->i_disksize = inode->i_size;

	}

	inode->i_mtime = inode->i_ctime = CURRENT_TIME;

		ext4_mark_inode_dirty(handle, inode);

	}

	mutex_unlock(&inode->i_mutex);

	return len;

}