#include <linux/sunrpc/svcsock.h>
#include <linux/sunrpc/xprt.h>
#include <linux/module.h>
+#include <trace/events/sunrpc.h>
#define RPCDBG_FACILITY RPCDBG_SVCXPRT
err = svc_alloc_arg(rqstp);
if (err)
- return err;
+ goto out;
try_to_freeze();
cond_resched();
+ err = -EINTR;
if (signalled() || kthread_should_stop())
- return -EINTR;
+ goto out;
xprt = svc_get_next_xprt(rqstp, timeout);
- if (IS_ERR(xprt))
- return PTR_ERR(xprt);
+ if (IS_ERR(xprt)) {
+ err = PTR_ERR(xprt);
+ goto out;
+ }
len = svc_handle_xprt(rqstp, xprt);
/* No data, incomplete (TCP) read, or accept() */
+ err = -EAGAIN;
if (len <= 0)
- goto out;
+ goto out_release;
clear_bit(XPT_OLD, &xprt->xpt_flags);
- rqstp->rq_secure = xprt->xpt_ops->xpo_secure_port(rqstp);
+ if (xprt->xpt_ops->xpo_secure_port(rqstp))
+ set_bit(RQ_SECURE, &rqstp->rq_flags);
+ else
+ clear_bit(RQ_SECURE, &rqstp->rq_flags);
rqstp->rq_chandle.defer = svc_defer;
+ rqstp->rq_xid = svc_getu32(&rqstp->rq_arg.head[0]);
if (serv->sv_stats)
serv->sv_stats->netcnt++;
+ trace_svc_recv(rqstp, len);
return len;
-out:
+out_release:
rqstp->rq_res.len = 0;
svc_xprt_release(rqstp);
- return -EAGAIN;
+out:
+ trace_svc_recv(rqstp, err);
+ return err;
}
EXPORT_SYMBOL_GPL(svc_recv);
int svc_send(struct svc_rqst *rqstp)
{
struct svc_xprt *xprt;
- int len;
+ int len = -EFAULT;
struct xdr_buf *xb;
xprt = rqstp->rq_xprt;
if (!xprt)
- return -EFAULT;
+ goto out;
/* release the receive skb before sending the reply */
rqstp->rq_xprt->xpt_ops->xpo_release_rqst(rqstp);
svc_xprt_release(rqstp);
if (len == -ECONNREFUSED || len == -ENOTCONN || len == -EAGAIN)
- return 0;
+ len = 0;
+out:
+ trace_svc_send(rqstp, len);
return len;
}
continue;
list_del_init(le);
set_bit(XPT_CLOSE, &xprt->xpt_flags);
- set_bit(XPT_DETACHED, &xprt->xpt_flags);
dprintk("queuing xprt %p for closing\n", xprt);
/* a thread will dequeue and close it soon */
xprt->xpt_ops->xpo_detach(xprt);
spin_lock_bh(&serv->sv_lock);
- if (!test_and_set_bit(XPT_DETACHED, &xprt->xpt_flags))
- list_del_init(&xprt->xpt_list);
+ list_del_init(&xprt->xpt_list);
WARN_ON_ONCE(!list_empty(&xprt->xpt_ready));
if (test_bit(XPT_TEMP, &xprt->xpt_flags))
serv->sv_tmpcnt--;
struct svc_rqst *rqstp = container_of(req, struct svc_rqst, rq_chandle);
struct svc_deferred_req *dr;
- if (rqstp->rq_arg.page_len || !rqstp->rq_usedeferral)
+ if (rqstp->rq_arg.page_len || !test_bit(RQ_USEDEFERRAL, &rqstp->rq_flags))
return NULL; /* if more than a page, give up FIXME */
if (rqstp->rq_deferred) {
dr = rqstp->rq_deferred;