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dlm: fix unlock balance warnings

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The in_recovery rw_semaphore has always been acquired and
released by different threads by design.  To work around
the "BUG: bad unlock balance detected!" messages, adjust
things so the dlm_recoverd thread always does both down_write
and up_write.

Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
David Teigland
2012-08-02 11:08:21 -05:00
parent 6ad2291624
commit 475f230c60
6 changed files with 78 additions and 30 deletions
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2
fs/dlm/rcom.c
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@@ -581,7 +581,7 @@ void dlm_receive_rcom(struct dlm_ls *ls, struct dlm_rcom *rc, int nodeid)
spin_lock(&ls->ls_recover_lock);
status = ls->ls_recover_status;
stop = test_bit(LSFL_RECOVERY_STOP, &ls->ls_flags);
stop = test_bit(LSFL_RECOVER_STOP, &ls->ls_flags);
seq = ls->ls_recover_seq;
spin_unlock(&ls->ls_recover_lock);