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ocfs2/dlm: Target node death during resource migration leads to thread spin 

During resource migration, if the target node were to die, the thread doing
the migration spins until the target node is not removed from the domain map.
This patch slows the spin by making the thread wait for the recovery to kick in.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <jlbec@evilplan.org>
This commit is contained in:
Sunil Mushran 2011-05-04 10:28:07 -07:00 committed by Joel Becker
parent 10b3dd7611
commit df016c665b
1 changed files with 3 additions and 0 deletions
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3
fs/ocfs2/dlm/dlmmaster.c
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@ -2574,6 +2574,9 @@ fail:
res->state &= ~DLM_LOCK_RES_MIGRATING;
wake = 1;
spin_unlock(&res->spinlock);
if (dlm_is_host_down(ret))
dlm_wait_for_node_death(dlm, target,
DLM_NODE_DEATH_WAIT_MAX);
goto leave;
}