From: Sergei Antonov <saproj@gmail.com>
To: Hin-Tak Leung <htl10@users.sourceforge.net>
Cc: "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
stable@vger.kernel.org, Joe Perches <joe@perches.com>,
Andrew Morton <akpm@linux-foundation.org>,
Vyacheslav Dubeyko <slava@dubeyko.com>,
Anton Altaparmakov <aia21@cam.ac.uk>,
Al Viro <viro@zeniv.linux.org.uk>,
Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 2.6 to 4.0] hfsplus: fix B-tree corruption after insertion at position 0
Date: Thu, 19 Mar 2015 00:05:32 +0100 [thread overview]
Message-ID: <CABikg9x6sqvGPs7aPqgesyy3VxF20A-zULoz2iK-7wS0FqYdwQ@mail.gmail.com> (raw)
In-Reply-To: <1426692505.88311.YahooMailBasic@web172305.mail.ir2.yahoo.com>
On 18 March 2015 at 16:28, Hin-Tak Leung <htl10@users.sourceforge.net> wrote:
> Can you describe a bit more about the symptom please?
Some files and directories are gone. Depending on which of the catalog
file's nodes reside in the unavailable extents, it may vary from "some
data can be salvaged" to "screw it, reformat the volume".
> I am
> wondering whether it is related to an issue I have had which is quite reproducible:
> If I merely run "du" repeatedly on a large directory on an HFS+ formatted
> drive, on a somewhat resource-tight system (having firefox running with lots
> windows seems to make it happens sooner, and it was on a system with only 2GB memory).
Then what?
> I was able to do with with two separate drives, one had user data
> which I have edited by hand somewhat,
> but the other was was a qcow2 image of an essentially newly installed and clean
> Mac OS X system disk through qemu/kvm.
> Also, the logic of hfs_brec_insert() in the plain hfs (without +) driver in
> fs/hfs/brec.c is essentially the same, so I believe there is the need of another
> similiar patch for that also. Can you provide that also?
No. The original HFS is very old. The only reasonable purpose of its
implementation in Linux IMO is to read data from old disks. Read-only
mode that is.
next parent reply other threads:[~2015-03-18 23:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1426692505.88311.YahooMailBasic@web172305.mail.ir2.yahoo.com>
2015-03-18 23:05 ` Sergei Antonov [this message]
[not found] <1426786824.70252.YahooMailBasic@web172303.mail.ir2.yahoo.com>
2015-03-26 2:06 ` [PATCH 2.6 to 4.0] hfsplus: fix B-tree corruption after insertion at position 0 Sergei Antonov
2015-06-08 13:30 ` Sergei Antonov
2015-03-17 2:10 Sergei Antonov
2015-03-17 16:50 ` Viacheslav Dubeyko
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