AcoSail/kernel_optimize_test
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ocfs2: fix wake_up in unlock_ast

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In ocfs2_unlock_ast(), call wake_up() on lockres before releasing
the spin lock on it.  As soon as the spin lock is released, the
lockres can be freed.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
David Teigland 2008-11-17 12:28:48 -06:00 committed by Mark Fasheh
parent 66f502a416
commit 07f9eebcdf
1 changed files with 1 additions and 2 deletions
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3
fs/ocfs2/dlmglue.c
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@ -2841,9 +2841,8 @@ static void ocfs2_unlock_ast(void *opaque, int error)
lockres_clear_flags(lockres, OCFS2_LOCK_BUSY);
lockres->l_unlock_action = OCFS2_UNLOCK_INVALID;
spin_unlock_irqrestore(&lockres->l_lock, flags);
wake_up(&lockres->l_event);
spin_unlock_irqrestore(&lockres->l_lock, flags);
mlog_exit_void();
}