RE: [PATCH 1/1] fs:ubifs:recovery:fixup UBIFS cannot recover master node issue

From	Bean Huo 霍斌斌 (beanhuo) <beanhuo@micron.com>
Newsgroups	linux.kernel
Subject	RE: [PATCH 1/1] fs:ubifs:recovery:fixup UBIFS cannot recover master node issue
Date	2015-12-14 05:00 +0100
Message-ID	<qFssN-HZ-5@gated-at.bofh.it> (permalink)
References	<qErfs-1Fq-13@gated-at.bofh.it> <qEs1R-2d9-21@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw
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--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

RE: [PATCH 1/1] fs:ubifs:recovery:fixup UBIFS cannot recover master  node issue Bean Huo 霍斌斌 (beanhuo)   <beanhuo@micron.com> - 2015-12-14 05:00 +0100
  Re: [PATCH 1/1] fs:ubifs:recovery:fixup UBIFS cannot recover master  node issue Richard Weinberger <richard@nod.at> - 2015-12-14 19:10 +0100

csiph-web