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-rw-r--r--include/linux/sunrpc/bc_xprt.h1
-rw-r--r--include/linux/sunrpc/clnt.h4
-rw-r--r--include/linux/sunrpc/metrics.h7
-rw-r--r--include/linux/sunrpc/sched.h4
-rw-r--r--include/linux/sunrpc/xprt.h10
-rw-r--r--include/linux/sunrpc/xprtmultipath.h2
-rw-r--r--include/linux/sunrpc/xprtsock.h5
7 files changed, 29 insertions, 4 deletions
diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h
index d4229a78524a..87d27e13d885 100644
--- a/include/linux/sunrpc/bc_xprt.h
+++ b/include/linux/sunrpc/bc_xprt.h
@@ -43,6 +43,7 @@ void xprt_destroy_backchannel(struct rpc_xprt *, unsigned int max_reqs);
int xprt_setup_bc(struct rpc_xprt *xprt, unsigned int min_reqs);
void xprt_destroy_bc(struct rpc_xprt *xprt, unsigned int max_reqs);
void xprt_free_bc_rqst(struct rpc_rqst *req);
+unsigned int xprt_bc_max_slots(struct rpc_xprt *xprt);
/*
* Determine if a shared backchannel is in use
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 6e8073140a5d..abc63bd1be2b 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -124,6 +124,7 @@ struct rpc_create_args {
u32 prognumber; /* overrides program->number */
u32 version;
rpc_authflavor_t authflavor;
+ u32 nconnect;
unsigned long flags;
char *client_name;
struct svc_xprt *bc_xprt; /* NFSv4.1 backchannel */
@@ -163,6 +164,8 @@ void rpc_shutdown_client(struct rpc_clnt *);
void rpc_release_client(struct rpc_clnt *);
void rpc_task_release_transport(struct rpc_task *);
void rpc_task_release_client(struct rpc_task *);
+struct rpc_xprt *rpc_task_get_xprt(struct rpc_clnt *clnt,
+ struct rpc_xprt *xprt);
int rpcb_create_local(struct net *);
void rpcb_put_local(struct net *);
@@ -191,6 +194,7 @@ void rpc_setbufsize(struct rpc_clnt *, unsigned int, unsigned int);
struct net * rpc_net_ns(struct rpc_clnt *);
size_t rpc_max_payload(struct rpc_clnt *);
size_t rpc_max_bc_payload(struct rpc_clnt *);
+unsigned int rpc_num_bc_slots(struct rpc_clnt *);
void rpc_force_rebind(struct rpc_clnt *);
size_t rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
const char *rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
diff --git a/include/linux/sunrpc/metrics.h b/include/linux/sunrpc/metrics.h
index 1b3751327575..0ee3f7052846 100644
--- a/include/linux/sunrpc/metrics.h
+++ b/include/linux/sunrpc/metrics.h
@@ -30,7 +30,7 @@
#include <linux/ktime.h>
#include <linux/spinlock.h>
-#define RPC_IOSTATS_VERS "1.0"
+#define RPC_IOSTATS_VERS "1.1"
struct rpc_iostats {
spinlock_t om_lock;
@@ -66,6 +66,11 @@ struct rpc_iostats {
ktime_t om_queue, /* queued for xmit */
om_rtt, /* RPC RTT */
om_execute; /* RPC execution */
+ /*
+ * The count of operations that complete with tk_status < 0.
+ * These statuses usually indicate error conditions.
+ */
+ unsigned long om_error_status;
} ____cacheline_aligned;
struct rpc_task;
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index d0e451868f02..baa3ecdb882f 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -126,6 +126,7 @@ struct rpc_task_setup {
#define RPC_CALL_MAJORSEEN 0x0020 /* major timeout seen */
#define RPC_TASK_ROOTCREDS 0x0040 /* force root creds */
#define RPC_TASK_DYNAMIC 0x0080 /* task was kmalloc'ed */
+#define RPC_TASK_NO_ROUND_ROBIN 0x0100 /* send requests on "main" xprt */
#define RPC_TASK_SOFT 0x0200 /* Use soft timeouts */
#define RPC_TASK_SOFTCONN 0x0400 /* Fail if can't connect */
#define RPC_TASK_SENT 0x0800 /* message was sent */
@@ -183,8 +184,9 @@ struct rpc_task_setup {
#define RPC_NR_PRIORITY (1 + RPC_PRIORITY_PRIVILEGED - RPC_PRIORITY_LOW)
struct rpc_timer {
- struct timer_list timer;
struct list_head list;
+ unsigned long expires;
+ struct delayed_work dwork;
};
/*
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index a6d9fce7f20e..13e108bcc9eb 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -158,6 +158,7 @@ struct rpc_xprt_ops {
int (*bc_setup)(struct rpc_xprt *xprt,
unsigned int min_reqs);
size_t (*bc_maxpayload)(struct rpc_xprt *xprt);
+ unsigned int (*bc_num_slots)(struct rpc_xprt *xprt);
void (*bc_free_rqst)(struct rpc_rqst *rqst);
void (*bc_destroy)(struct rpc_xprt *xprt,
unsigned int max_reqs);
@@ -238,6 +239,7 @@ struct rpc_xprt {
/*
* Send stuff
*/
+ atomic_long_t queuelen;
spinlock_t transport_lock; /* lock transport info */
spinlock_t reserve_lock; /* lock slot table */
spinlock_t queue_lock; /* send/receive queue lock */
@@ -250,8 +252,9 @@ struct rpc_xprt {
#if defined(CONFIG_SUNRPC_BACKCHANNEL)
struct svc_serv *bc_serv; /* The RPC service which will */
/* process the callback */
- int bc_alloc_count; /* Total number of preallocs */
- atomic_t bc_free_slots;
+ unsigned int bc_alloc_max;
+ unsigned int bc_alloc_count; /* Total number of preallocs */
+ atomic_t bc_slot_count; /* Number of allocated slots */
spinlock_t bc_pa_lock; /* Protects the preallocated
* items */
struct list_head bc_pa_list; /* List of preallocated
@@ -334,6 +337,9 @@ struct xprt_class {
*/
struct rpc_xprt *xprt_create_transport(struct xprt_create *args);
void xprt_connect(struct rpc_task *task);
+unsigned long xprt_reconnect_delay(const struct rpc_xprt *xprt);
+void xprt_reconnect_backoff(struct rpc_xprt *xprt,
+ unsigned long init_to);
void xprt_reserve(struct rpc_task *task);
void xprt_retry_reserve(struct rpc_task *task);
int xprt_reserve_xprt(struct rpc_xprt *xprt, struct rpc_task *task);
diff --git a/include/linux/sunrpc/xprtmultipath.h b/include/linux/sunrpc/xprtmultipath.h
index af1257c030d2..c6cce3fbf29d 100644
--- a/include/linux/sunrpc/xprtmultipath.h
+++ b/include/linux/sunrpc/xprtmultipath.h
@@ -15,6 +15,8 @@ struct rpc_xprt_switch {
struct kref xps_kref;
unsigned int xps_nxprts;
+ unsigned int xps_nactive;
+ atomic_long_t xps_queuelen;
struct list_head xps_xprt_list;
struct net * xps_net;
diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h
index b81d0b3e0799..7638dbe7bc50 100644
--- a/include/linux/sunrpc/xprtsock.h
+++ b/include/linux/sunrpc/xprtsock.h
@@ -56,6 +56,7 @@ struct sock_xprt {
*/
unsigned long sock_state;
struct delayed_work connect_worker;
+ struct work_struct error_worker;
struct work_struct recv_worker;
struct mutex recv_mutex;
struct sockaddr_storage srcaddr;
@@ -84,6 +85,10 @@ struct sock_xprt {
#define XPRT_SOCK_CONNECTING 1U
#define XPRT_SOCK_DATA_READY (2)
#define XPRT_SOCK_UPD_TIMEOUT (3)
+#define XPRT_SOCK_WAKE_ERROR (4)
+#define XPRT_SOCK_WAKE_WRITE (5)
+#define XPRT_SOCK_WAKE_PENDING (6)
+#define XPRT_SOCK_WAKE_DISCONNECT (7)
#endif /* __KERNEL__ */