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From d765d8885dabbb83baee26bef90b820978ec45cc Mon Sep 17 00:00:00 2001
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From: Venky Shankar <vshankar@redhat.com>
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Date: Tue, 2 Jun 2015 21:49:13 +0530
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Subject: [PATCH 079/101] contrib/timer-wheel: fix deadlock in del_timer()
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Backport of http://review.gluster.org/11050
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commit eaf3bfa added mod_timers() and successfully screwed up
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del_timer() by incorrectly wrapping it within double lock
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blocks.
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del_timer() was included before the above commit for the sake of
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timer API completion, thankfully noone used it till now.
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Change-Id: I07a454a216cf09dbb84777a23630e74a1e7f2830
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BUG: 1231026
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Signed-off-by: Venky Shankar <vshankar@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/50713
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Reviewed-by: Raghavendra Bhat <raghavendra@redhat.com>
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Tested-by: Raghavendra Bhat <raghavendra@redhat.com>
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---
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contrib/timer-wheel/timer-wheel.c | 2 +-
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1 files changed, 1 insertions(+), 1 deletions(-)
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diff --git a/contrib/timer-wheel/timer-wheel.c b/contrib/timer-wheel/timer-wheel.c
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index df8bb31..d9b2ccd 100644
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--- a/contrib/timer-wheel/timer-wheel.c
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+++ b/contrib/timer-wheel/timer-wheel.c
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@@ -225,7 +225,7 @@ void gf_tw_del_timer (struct tvec_base *base, struct gf_tw_timer_list *timer)
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if (timer_pending (timer))
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__gf_tw_detach_timer (timer);
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}
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- pthread_spin_lock (&base->lock);
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+ pthread_spin_unlock (&base->lock);
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}
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int gf_tw_mod_timer_pending (struct tvec_base *base,
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--
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1.7.1
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