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Diffstat (limited to 'net/sunrpc/svc.c')
-rw-r--r--net/sunrpc/svc.c90
1 files changed, 58 insertions, 32 deletions
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 4ad5fbbb18b4..a290e1523297 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -364,7 +364,7 @@ __svc_create(struct svc_program *prog, unsigned int bufsize, int npools,
void (*shutdown)(struct svc_serv *serv))
{
struct svc_serv *serv;
- int vers;
+ unsigned int vers;
unsigned int xdrsize;
unsigned int i;
@@ -433,6 +433,7 @@ svc_create(struct svc_program *prog, unsigned int bufsize,
{
return __svc_create(prog, bufsize, /*npools*/1, shutdown);
}
+EXPORT_SYMBOL(svc_create);
struct svc_serv *
svc_create_pooled(struct svc_program *prog, unsigned int bufsize,
@@ -452,6 +453,7 @@ svc_create_pooled(struct svc_program *prog, unsigned int bufsize,
return serv;
}
+EXPORT_SYMBOL(svc_create_pooled);
/*
* Destroy an RPC service. Should be called with the BKL held
@@ -459,9 +461,6 @@ svc_create_pooled(struct svc_program *prog, unsigned int bufsize,
void
svc_destroy(struct svc_serv *serv)
{
- struct svc_sock *svsk;
- struct svc_sock *tmp;
-
dprintk("svc: svc_destroy(%s, %d)\n",
serv->sv_program->pg_name,
serv->sv_nrthreads);
@@ -476,14 +475,12 @@ svc_destroy(struct svc_serv *serv)
del_timer_sync(&serv->sv_temptimer);
- list_for_each_entry_safe(svsk, tmp, &serv->sv_tempsocks, sk_list)
- svc_force_close_socket(svsk);
+ svc_close_all(&serv->sv_tempsocks);
if (serv->sv_shutdown)
serv->sv_shutdown(serv);
- list_for_each_entry_safe(svsk, tmp, &serv->sv_permsocks, sk_list)
- svc_force_close_socket(svsk);
+ svc_close_all(&serv->sv_permsocks);
BUG_ON(!list_empty(&serv->sv_permsocks));
BUG_ON(!list_empty(&serv->sv_tempsocks));
@@ -498,6 +495,7 @@ svc_destroy(struct svc_serv *serv)
kfree(serv->sv_pools);
kfree(serv);
}
+EXPORT_SYMBOL(svc_destroy);
/*
* Allocate an RPC server's buffer space.
@@ -536,31 +534,17 @@ svc_release_buffer(struct svc_rqst *rqstp)
put_page(rqstp->rq_pages[i]);
}
-/*
- * Create a thread in the given pool. Caller must hold BKL.
- * On a NUMA or SMP machine, with a multi-pool serv, the thread
- * will be restricted to run on the cpus belonging to the pool.
- */
-static int
-__svc_create_thread(svc_thread_fn func, struct svc_serv *serv,
- struct svc_pool *pool)
+struct svc_rqst *
+svc_prepare_thread(struct svc_serv *serv, struct svc_pool *pool)
{
struct svc_rqst *rqstp;
- int error = -ENOMEM;
- int have_oldmask = 0;
- cpumask_t oldmask;
rqstp = kzalloc(sizeof(*rqstp), GFP_KERNEL);
if (!rqstp)
- goto out;
+ goto out_enomem;
init_waitqueue_head(&rqstp->rq_wait);
- if (!(rqstp->rq_argp = kmalloc(serv->sv_xdrsize, GFP_KERNEL))
- || !(rqstp->rq_resp = kmalloc(serv->sv_xdrsize, GFP_KERNEL))
- || !svc_init_buffer(rqstp, serv->sv_max_mesg))
- goto out_thread;
-
serv->sv_nrthreads++;
spin_lock_bh(&pool->sp_lock);
pool->sp_nrthreads++;
@@ -569,6 +553,45 @@ __svc_create_thread(svc_thread_fn func, struct svc_serv *serv,
rqstp->rq_server = serv;
rqstp->rq_pool = pool;
+ rqstp->rq_argp = kmalloc(serv->sv_xdrsize, GFP_KERNEL);
+ if (!rqstp->rq_argp)
+ goto out_thread;
+
+ rqstp->rq_resp = kmalloc(serv->sv_xdrsize, GFP_KERNEL);
+ if (!rqstp->rq_resp)
+ goto out_thread;
+
+ if (!svc_init_buffer(rqstp, serv->sv_max_mesg))
+ goto out_thread;
+
+ return rqstp;
+out_thread:
+ svc_exit_thread(rqstp);
+out_enomem:
+ return ERR_PTR(-ENOMEM);
+}
+EXPORT_SYMBOL(svc_prepare_thread);
+
+/*
+ * Create a thread in the given pool. Caller must hold BKL.
+ * On a NUMA or SMP machine, with a multi-pool serv, the thread
+ * will be restricted to run on the cpus belonging to the pool.
+ */
+static int
+__svc_create_thread(svc_thread_fn func, struct svc_serv *serv,
+ struct svc_pool *pool)
+{
+ struct svc_rqst *rqstp;
+ int error = -ENOMEM;
+ int have_oldmask = 0;
+ cpumask_t oldmask;
+
+ rqstp = svc_prepare_thread(serv, pool);
+ if (IS_ERR(rqstp)) {
+ error = PTR_ERR(rqstp);
+ goto out;
+ }
+
if (serv->sv_nrpools > 1)
have_oldmask = svc_pool_map_set_cpumask(pool->sp_id, &oldmask);
@@ -597,6 +620,7 @@ svc_create_thread(svc_thread_fn func, struct svc_serv *serv)
{
return __svc_create_thread(func, serv, &serv->sv_pools[0]);
}
+EXPORT_SYMBOL(svc_create_thread);
/*
* Choose a pool in which to create a new thread, for svc_set_num_threads
@@ -700,6 +724,7 @@ svc_set_num_threads(struct svc_serv *serv, struct svc_pool *pool, int nrservs)
return error;
}
+EXPORT_SYMBOL(svc_set_num_threads);
/*
* Called from a server thread as it's exiting. Caller must hold BKL.
@@ -726,6 +751,7 @@ svc_exit_thread(struct svc_rqst *rqstp)
if (serv)
svc_destroy(serv);
}
+EXPORT_SYMBOL(svc_exit_thread);
/*
* Register an RPC service with the local portmapper.
@@ -737,7 +763,8 @@ svc_register(struct svc_serv *serv, int proto, unsigned short port)
{
struct svc_program *progp;
unsigned long flags;
- int i, error = 0, dummy;
+ unsigned int i;
+ int error = 0, dummy;
if (!port)
clear_thread_flag(TIF_SIGPENDING);
@@ -840,9 +867,9 @@ svc_process(struct svc_rqst *rqstp)
rqstp->rq_res.tail[0].iov_len = 0;
/* Will be turned off only in gss privacy case: */
rqstp->rq_splice_ok = 1;
- /* tcp needs a space for the record length... */
- if (rqstp->rq_prot == IPPROTO_TCP)
- svc_putnl(resv, 0);
+
+ /* Setup reply header */
+ rqstp->rq_xprt->xpt_ops->xpo_prep_reply_hdr(rqstp);
rqstp->rq_xid = svc_getu32(argv);
svc_putu32(resv, rqstp->rq_xid);
@@ -1049,16 +1076,15 @@ err_bad:
svc_putnl(resv, ntohl(rpc_stat));
goto sendit;
}
+EXPORT_SYMBOL(svc_process);
/*
* Return (transport-specific) limit on the rpc payload.
*/
u32 svc_max_payload(const struct svc_rqst *rqstp)
{
- int max = RPCSVC_MAXPAYLOAD_TCP;
+ u32 max = rqstp->rq_xprt->xpt_class->xcl_max_payload;
- if (rqstp->rq_sock->sk_sock->type == SOCK_DGRAM)
- max = RPCSVC_MAXPAYLOAD_UDP;
if (rqstp->rq_server->sv_max_payload < max)
max = rqstp->rq_server->sv_max_payload;
return max;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 14:48:06 +0100