From: Jim Rees Subject: Re: Apparent serious progressive ext4 data corruption bug in 3.6.3 (and other stable branches?) Date: Fri, 26 Oct 2012 23:11:47 -0400 Message-ID: <20121027031147.GA4255@umich.edu> References: <20121023013343.GB6370@fieldses.org> <87mwzdnuww.fsf@spindle.srvr.nix> <20121023143019.GA3040@fieldses.org> <874nllxi7e.fsf_-_@spindle.srvr.nix> <87pq48nbyz.fsf_-_@spindle.srvr.nix> <508AF3FA.4020506@redhat.com> <87wqydx957.fsf@spindle.srvr.nix> <20121026205618.GC8614@thunk.org> <87objpx84k.fsf@spindle.srvr.nix> <20121026211542.GE8614@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: Theodore Ts'o , Nix , Eric Sandeen , linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "J. Bruce Fields" , Bryan Schumaker , Peng Tao , Trond.Myklebust-HgOvQuBEEgTQT0dZR+AlfA@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Return-path: Content-Disposition: inline In-Reply-To: <20121026211542.GE8614-AKGzg7BKzIDYtjvyW6yDsg@public.gmane.org> Sender: linux-nfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-ext4.vger.kernel.org Theodore Ts'o wrote: The problem is this code isn't done yet, and journal_checksum is really not ready for prime time. When it is ready, my plan is to wire it up so it is enabled by default; at the moment, it was intended for developer experimentation only. As I said, it's my fault for not clearly labelling it "Not for you!", or putting it under an #ifdef to prevent unwary civilians from coming across the feature and saying, "oooh, shiny!" and turning it on. :-( Perhaps a word or two in the mount man page would be appropriate? -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html