From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Biggers Subject: Re: f2fs crash when filling up small filesystem Date: Mon, 5 Dec 2016 11:30:28 -0800 Message-ID: <20161205193028.GA92618@google.com> References: <20161127043954.GB34163@google.com> <20161128223052.GB4624@jaegeuk> <20161128234146.GB145516@google.com> <20161129002623.GC4624@jaegeuk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1cDyyE-0005IA-7T for linux-f2fs-devel@lists.sourceforge.net; Mon, 05 Dec 2016 19:30:38 +0000 Received: from mail-pg0-f47.google.com ([74.125.83.47]) by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:AES128-SHA:128) (Exim 4.76) id 1cDyyD-0003mF-8G for linux-f2fs-devel@lists.sourceforge.net; Mon, 05 Dec 2016 19:30:38 +0000 Received: by mail-pg0-f47.google.com with SMTP id p66so139812282pga.2 for ; Mon, 05 Dec 2016 11:30:37 -0800 (PST) Content-Disposition: inline In-Reply-To: <20161129002623.GC4624@jaegeuk> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: Jaegeuk Kim Cc: linux-f2fs-devel@lists.sourceforge.net On Mon, Nov 28, 2016 at 04:26:23PM -0800, Jaegeuk Kim wrote: > > > By the way, I included the test which encounters this problem in the encryption > > xfstests patches which I Cc'ed to you --- it's generic/403 ("generic: test for > > weaknesses in filesystem encryption"). If f2fs doesn't support a 32 MB > > filesystem then I'll need to bump up the filesystem size to 64 MB, or disable > > the test on f2fs. Or maybe people will say the test is too weird and should > > just be deleted, but I think it's an important test :P > > Oh, could you please increase the partition size to 64MB? It seems 64MB or even > 128MB would not be a big deal, IIUC. > Well, smaller is better since the test compresses the whole filesystem with xz. But I was able to tweak the xz parameters and make a size of 64 MB work, so now the test passes on f2fs. Eric ------------------------------------------------------------------------------