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batman-adv: protect the local and the global trans-tables with rcu

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The local and the global translation-tables are now lock free and rcu
protected.

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Acked-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
This commit is contained in:
Antonio Quartulli
2011-04-27 14:28:07 +02:00
committed by Sven Eckelmann
parent cc47f66e6b
commit 7683fdc1e8
5 changed files with 150 additions and 128 deletions
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2
net/batman-adv/routing.c
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@@ -90,9 +90,7 @@ static void update_transtable(struct bat_priv *bat_priv,
/* Even if we received the crc into the OGM, we prefer
* to recompute it to spot any possible inconsistency
* in the global table */
spin_lock_bh(&bat_priv->tt_ghash_lock);
orig_node->tt_crc = tt_global_crc(bat_priv, orig_node);
spin_unlock_bh(&bat_priv->tt_ghash_lock);
/* Roaming phase is over: tables are in sync again. I can
* unset the flag */
orig_node->tt_poss_change = false;