From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Sariel Subject: atime Date: Mon, 01 Aug 2011 08:53:33 +0300 Message-ID: <4E363F5D.7060302@gmail.com> References: <20110728.102536.53123850.ryusuke@osrg.net> Reply-To: davidsa-BMswWb+h+80+JF/nGntIXQ@public.gmane.org Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=message-id:date:from:reply-to:user-agent:mime-version:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=0eHjLdBsQeNKR3LePHFPEQ3xsnELQANXyMhPDcrlCsc=; b=Qsr4CEJCI+Qnr77Q+/BYkIGnoleLEyEnYJ2Lx9c8mcSNtEQQPde1CpZ0ZQVk/UxM3V XqBMf2JFgwHG2joYQ6jL81+0TpHHqFTljapAoa+I7NkXq0mIGb0qXjEhY0Eu/Ty6ygKh AqR7eAzNML5y9QWrjXEHpDFKOIg1PQEdOml+k= In-Reply-To: <20110728.102536.53123850.ryusuke-sG5X7nlA6pw@public.gmane.org> Sender: linux-nilfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Cc: linux-nilfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Hi What was the purpose of reserving the inode for atime file (nilfs2_fs.h) #define NILFS_ATIME_INO 7 /* Atime file (reserved) */ Correct me if I'm wrong, but it seems to me that updating atime on the disk result in creating more chekpoints. So spesial file in predetermined place can store atime of all files in the system and spare the need of checkpointings of many segments. Also can you please share your thoughts about the atime implementation on nilfs? Thank you David -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html