From: Srinivas Eeda <srinivas.eeda@oracle.com>
Date: Tue, 17 Apr 2007 20:26:33 +0000 (-0700)
Subject: ocfs2_dlm: fix race in dlm_remaster_locks
X-Git-Tag: v2.6.22-rc1~1124^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=756a1501ddbbe73098aa031939460930f6edc9cd;p=pandora-kernel.git

ocfs2_dlm: fix race in dlm_remaster_locks

There is a possibility that dlm_remaster_locks could overwride node->state
with DLM_RECO_NODE_DATA_REQUESTED after dlm_reco_data_done_handler sets the
node->state to DLM_RECO_NODE_DATA_DONE. This could lead to recovery getting
stuck and requires a cluster reboot. Synchronize with dlm_reco_state_lock
spinlock.

Signed-off-by: Srinivas Eeda <srinivas.eeda@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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