linux-kernel - Re: Apparent serious progressive ext4 data corruption bug in 3.6.3 (and other stable branches?)

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Message-ID: <20121027031147.GA4255@umich.edu>
Date:	Fri, 26 Oct 2012 23:11:47 -0400
From:	Jim Rees <rees@...ch.edu>
To:	Theodore Ts'o <tytso@....edu>, Nix <nix@...eri.org.uk>,
	Eric Sandeen <sandeen@...hat.com>, linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"J. Bruce Fields" <bfields@...ldses.org>,
	Bryan Schumaker <bjschuma@...app.com>,
	Peng Tao <bergwolf@...il.com>, Trond.Myklebust@...app.com,
	gregkh@...uxfoundation.org, linux-nfs@...r.kernel.org
Subject: Re: Apparent serious progressive ext4 data corruption bug in 3.6.3
 (and other stable branches?)

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?
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