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fcst: Follow-up for r4106 - make fcst build again on kernel 3.0 and before

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4107 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2012-02-02 19:24:05 +00:00
parent b6e5aa684c
commit 1d17e6386c
1 changed files with 16 additions and 0 deletions
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16
fcst/ft_sess.c
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@@ -78,6 +78,18 @@ static struct ft_tport *ft_tport_create(struct fc_lport *lport)
return tport;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0)
/*
* Free tport via RCU.
*/
static void ft_tport_rcu_free(struct rcu_head *rcu)
{
struct ft_tport *tport = container_of(rcu, struct ft_tport, rcu);
kfree(tport);
}
#endif
/*
* Delete target local port, if any, associated with the local port.
* Caller holds ft_lport_lock.
@@ -95,7 +107,11 @@ static void ft_tport_delete(struct ft_tport *tport)
BUG_ON(tport != lport->prov[FC_TYPE_FCP]);
rcu_assign_pointer(lport->prov[FC_TYPE_FCP], NULL);
tport->lport = NULL;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0)
call_rcu(&tport->rcu, ft_tport_rcu_free);
#else
kfree_rcu(tport, rcu);
#endif
ft_tport_count--;
}