From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mailout4.samsung.com ([203.254.224.34])
 by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux))
 id 1WUnpw-0004OE-1B
 for linux-mtd@lists.infradead.org; Tue, 01 Apr 2014 01:50:01 +0000
Received: from epcpsbgr2.samsung.com
 (u142.gpu120.samsung.co.kr [203.254.230.142])
 by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01
 (7.0.4.24.0) 64bit (built Nov 17 2011))
 with ESMTP id <0N3B003YGX2FTXC0@mailout4.samsung.com> for
 linux-mtd@lists.infradead.org; Tue, 01 Apr 2014 10:49:27 +0900 (KST)
Date: Tue, 01 Apr 2014 01:49:27 +0000 (GMT)
From: Eunbong Song <eunb.song@samsung.com>
Subject: [PATCH] mtd: fsl_ifc_nand: Recover corrupted empty page for preventing
 read-only mount in UBIFS
To: computersforpeace@gmail.com, artem.bityutskiy@linux.intel.com
MIME-version: 1.0
Content-transfer-encoding: base64
Content-type: text/plain; charset=euc-kr
MIME-version: 1.0
Message-id: <26017351.61791396316965998.JavaMail.weblogic@epv6ml06>
Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Reply-To: eunb.song@samsung.com
List-Id: Linux MTD discussion mailing list <linux-mtd.lists.infradead.org>
List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-mtd>,
 <mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe>
List-Archive: <http://lists.infradead.org/pipermail/linux-mtd/>
List-Post: <mailto:linux-mtd@lists.infradead.org>
List-Help: <mailto:linux-mtd-request@lists.infradead.org?subject=help>
List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>,
 <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe>
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