2007-11-29 23:20:20

by Tom Tucker

[permalink] [raw]
Subject: [RFC,PATCH 28/38] svc: Make svc_age_temp_sockets svc_age_temp_transports


This function is transport independent. Change it to use svc_xprt directly
and change it's name to reflect this.

Signed-off-by: Tom Tucker <[email protected]>
---

net/sunrpc/svcsock.c | 36 +++++++++++++++++++-----------------
1 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 06a43ae..e4e2b2f 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1673,48 +1673,50 @@ svc_send(struct svc_rqst *rqstp)
* a mark-and-sweep algorithm.
*/
static void
-svc_age_temp_sockets(unsigned long closure)
+svc_age_temp_xprts(unsigned long closure)
{
struct svc_serv *serv = (struct svc_serv *)closure;
- struct svc_sock *svsk;
+ struct svc_xprt *xprt;
struct list_head *le, *next;
LIST_HEAD(to_be_aged);

- dprintk("svc_age_temp_sockets\n");
+ dprintk("svc_age_temp_xprts\n");

if (!spin_trylock_bh(&serv->sv_lock)) {
/* busy, try again 1 sec later */
- dprintk("svc_age_temp_sockets: busy\n");
+ dprintk("svc_age_temp_xprts: busy\n");
mod_timer(&serv->sv_temptimer, jiffies + HZ);
return;
}

list_for_each_safe(le, next, &serv->sv_tempsocks) {
- svsk = list_entry(le, struct svc_sock, sk_xprt.xpt_list);
+ xprt = list_entry(le, struct svc_xprt, xpt_list);

- if (!test_and_set_bit(XPT_OLD, &svsk->sk_xprt.xpt_flags))
+ /* First time through, just mark it OLD. Second time
+ * through, close it. */
+ if (!test_and_set_bit(XPT_OLD, &xprt->xpt_flags))
continue;
- if (atomic_read(&svsk->sk_xprt.xpt_ref.refcount) > 1
- || test_bit(XPT_BUSY, &svsk->sk_xprt.xpt_flags))
+ if (atomic_read(&xprt->xpt_ref.refcount) > 1
+ || test_bit(XPT_BUSY, &xprt->xpt_flags))
continue;
- svc_xprt_get(&svsk->sk_xprt);
+ svc_xprt_get(xprt);
list_move(le, &to_be_aged);
- set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags);
- set_bit(XPT_DETACHED, &svsk->sk_xprt.xpt_flags);
+ set_bit(XPT_CLOSE, &xprt->xpt_flags);
+ set_bit(XPT_DETACHED, &xprt->xpt_flags);
}
spin_unlock_bh(&serv->sv_lock);

while (!list_empty(&to_be_aged)) {
le = to_be_aged.next;
- /* fiddling the sk_xprt.xpt_list node is safe 'cos we're XPT_DETACHED */
+ /* fiddling the xpt_list node is safe 'cos we're XPT_DETACHED */
list_del_init(le);
- svsk = list_entry(le, struct svc_sock, sk_xprt.xpt_list);
+ xprt = list_entry(le, struct svc_xprt, xpt_list);

- dprintk("queuing svsk %p for closing\n", svsk);
+ dprintk("queuing xprt %p for closing\n", xprt);

/* a thread will dequeue and close it soon */
- svc_xprt_enqueue(&svsk->sk_xprt);
- svc_xprt_put(&svsk->sk_xprt);
+ svc_xprt_enqueue(xprt);
+ svc_xprt_put(xprt);
}

mod_timer(&serv->sv_temptimer, jiffies + svc_conn_age_period * HZ);
@@ -1772,7 +1774,7 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv,
serv->sv_tmpcnt++;
if (serv->sv_temptimer.function == NULL) {
/* setup timer to age temp sockets */
- setup_timer(&serv->sv_temptimer, svc_age_temp_sockets,
+ setup_timer(&serv->sv_temptimer, svc_age_temp_xprts,
(unsigned long)serv);
mod_timer(&serv->sv_temptimer,
jiffies + svc_conn_age_period * HZ);