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SUNRPC: clear svc pools lists helper introduced 

This patch moves removing of service transport from it's pools ready lists to
separated function. Also this clear is now done with list_for_each_entry_safe()
helper.
This is a precursor patch, which would be usefull with service shutdown in
network namespace context, introduced later in the series.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Stanislav Kinsbursky 2012-01-31 14:09:00 +04:00 committed by Trond Myklebust
parent ef159e9177
commit 6f5133652e
1 changed files with 13 additions and 6 deletions
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19
net/sunrpc/svc_xprt.c
View File

@ -932,26 +932,33 @@ static void svc_close_list(struct list_head *xprt_list)
}
}
void svc_close_all(struct svc_serv *serv)
static void svc_clear_pools(struct svc_serv *serv)
{
struct svc_pool *pool;
struct svc_xprt *xprt;
struct svc_xprt *tmp;
int i;
svc_close_list(&serv->sv_tempsocks);
svc_close_list(&serv->sv_permsocks);
for (i = 0; i < serv->sv_nrpools; i++) {
pool = &serv->sv_pools[i];
spin_lock_bh(&pool->sp_lock);
while (!list_empty(&pool->sp_sockets)) {
xprt = list_first_entry(&pool->sp_sockets, struct svc_xprt, xpt_ready);
list_for_each_entry_safe(xprt, tmp, &pool->sp_sockets, xpt_ready) {
list_del_init(&xprt->xpt_ready);
}
spin_unlock_bh(&pool->sp_lock);
}
}
void svc_close_all(struct svc_serv *serv)
{
struct svc_xprt *xprt;
struct svc_xprt *tmp;
svc_close_list(&serv->sv_tempsocks);
svc_close_list(&serv->sv_permsocks);
svc_clear_pools(serv);
/*
* At this point the sp_sockets lists will stay empty, since
* svc_enqueue will not add new entries without taking the