From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Wojcik Subject: [PATCH 0/2] FIX: Process hangs at wait_barrier Date: Fri, 04 Feb 2011 14:18:18 +0100 Message-ID: <20110204130757.6426.81544.stgit@gklab-128-111.igk.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Sender: linux-raid-owner@vger.kernel.org To: neilb@suse.de Cc: linux-raid@vger.kernel.org, wojciech.neubauer@intel.com, adam.kwolek@intel.com, dan.j.williams@intel.com, ed.ciechanowski@intel.com List-Id: linux-raid.ids Patches resolve problem with process crash at wait_barrier() after raid0->raid10 takeover. First patch resolve this particular problem. Solution is similar to RAID1 barrier implementation. Second is proposal for general protection against barrier become negative. --- Krzysztof Wojcik (2): FIX: md: process hangs at wait_barrier after 0->10 takeover FIX: md: Prevent barrier become negative drivers/md/raid1.c | 3 ++- drivers/md/raid10.c | 9 ++++++--- 2 files changed, 8 insertions(+), 4 deletions(-) -- Krzysztof Wojcik