From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ryusuke Konishi Subject: Re: Does nilfs2 checksum all data? Date: Sun, 20 Nov 2011 00:10:58 +0900 (JST) Message-ID: <20111120.001058.94864982.ryusuke@osrg.net> References: Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-nilfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: Text/Plain; charset="us-ascii" To: bl4.929b-36pCxkIrkqeZuzBka8ofvg@public.gmane.org Cc: linux-nilfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Hi, On Sat, 19 Nov 2011 15:08:54 +0100, bl4 wrote: > Hi, > Does nilfs2 store checksums of all data and verify them when reading? nilfs2 store checksums for all data. However, at least the current implementation does not verify it when reading. Actually, the main purpose of the checksums is recovery after unexpected reboot; it does not suit for per-file data verification because the checksums are given per ``log''. Regards, Ryusuke Konishi -- 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