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SUNRPC: sunrpc should not explicitly depend on NFS config options
Change explicit references to CONFIG_NFS_V4_1 to implicit ones Get rid of the unnecessary defines in backchannel_rqst.c and bc_svc.c: the Makefile takes care of those dependency. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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1f9453578f
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@ -77,6 +77,7 @@ config NFS_V4
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config NFS_V4_1
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bool "NFS client support for NFSv4.1 (EXPERIMENTAL)"
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depends on NFS_FS && NFS_V4 && EXPERIMENTAL
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select SUNRPC_BACKCHANNEL
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select PNFS_FILE_LAYOUT
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help
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This option enables support for minor version 1 of the NFSv4 protocol
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@ -31,7 +31,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <linux/sunrpc/xprt.h>
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#include <linux/sunrpc/sched.h>
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#ifdef CONFIG_NFS_V4_1
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#ifdef CONFIG_SUNRPC_BACKCHANNEL
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struct rpc_rqst *xprt_alloc_bc_request(struct rpc_xprt *xprt);
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void xprt_free_bc_request(struct rpc_rqst *req);
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int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs);
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@ -47,7 +47,7 @@ static inline int svc_is_backchannel(const struct svc_rqst *rqstp)
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return 1;
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return 0;
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}
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#else /* CONFIG_NFS_V4_1 */
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#else /* CONFIG_SUNRPC_BACKCHANNEL */
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static inline int xprt_setup_backchannel(struct rpc_xprt *xprt,
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unsigned int min_reqs)
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{
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@ -62,6 +62,6 @@ static inline int svc_is_backchannel(const struct svc_rqst *rqstp)
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static inline void xprt_free_bc_request(struct rpc_rqst *req)
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{
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}
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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#endif /* _LINUX_SUNRPC_BC_XPRT_H */
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@ -92,7 +92,7 @@ struct svc_serv {
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struct module * sv_module; /* optional module to count when
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* adding threads */
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svc_thread_fn sv_function; /* main function for threads */
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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struct list_head sv_cb_list; /* queue for callback requests
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* that arrive over the same
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* connection */
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@ -100,7 +100,7 @@ struct svc_serv {
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wait_queue_head_t sv_cb_waitq; /* sleep here if there are no
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* entries in the svc_cb_list */
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struct svc_xprt *sv_bc_xprt; /* callback on fore channel */
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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};
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/*
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@ -100,11 +100,11 @@ struct rpc_rqst {
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ktime_t rq_xtime; /* transmit time stamp */
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int rq_ntrans;
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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struct list_head rq_bc_list; /* Callback service list */
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unsigned long rq_bc_pa_state; /* Backchannel prealloc state */
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struct list_head rq_bc_pa_list; /* Backchannel prealloc list */
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANEL */
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};
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#define rq_svec rq_snd_buf.head
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#define rq_slen rq_snd_buf.len
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@ -200,7 +200,7 @@ struct rpc_xprt {
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u32 xid; /* Next XID value to use */
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struct rpc_task * snd_task; /* Task blocked in send */
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struct svc_xprt *bc_xprt; /* NFSv4.1 backchannel */
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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struct svc_serv *bc_serv; /* The RPC service which will */
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/* process the callback */
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unsigned int bc_alloc_count; /* Total number of preallocs */
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@ -208,7 +208,7 @@ struct rpc_xprt {
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* items */
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struct list_head bc_pa_list; /* List of preallocated
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* backchannel rpc_rqst's */
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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struct list_head recv;
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struct {
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@ -228,15 +228,15 @@ struct rpc_xprt {
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const char *address_strings[RPC_DISPLAY_MAX];
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};
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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/*
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* Backchannel flags
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*/
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#define RPC_BC_PA_IN_USE 0x0001 /* Preallocated backchannel */
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/* buffer in use */
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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static inline int bc_prealloc(struct rpc_rqst *req)
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{
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return test_bit(RPC_BC_PA_IN_USE, &req->rq_bc_pa_state);
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@ -246,7 +246,7 @@ static inline int bc_prealloc(struct rpc_rqst *req)
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{
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return 0;
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}
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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struct xprt_create {
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int ident; /* XPRT_TRANSPORT identifier */
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@ -4,6 +4,10 @@ config SUNRPC
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config SUNRPC_GSS
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tristate
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config SUNRPC_BACKCHANNEL
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bool
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depends on SUNRPC
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config SUNRPC_XPRT_RDMA
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tristate
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depends on SUNRPC && INFINIBAND && INFINIBAND_ADDR_TRANS && EXPERIMENTAL
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@ -13,6 +13,6 @@ sunrpc-y := clnt.o xprt.o socklib.o xprtsock.o sched.o \
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addr.o rpcb_clnt.o timer.o xdr.o \
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sunrpc_syms.o cache.o rpc_pipe.o \
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svc_xprt.o
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sunrpc-$(CONFIG_NFS_V4_1) += backchannel_rqst.o bc_svc.o
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sunrpc-$(CONFIG_SUNRPC_BACKCHANNEL) += backchannel_rqst.o bc_svc.o
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sunrpc-$(CONFIG_PROC_FS) += stats.o
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sunrpc-$(CONFIG_SYSCTL) += sysctl.o
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@ -29,8 +29,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#define RPCDBG_FACILITY RPCDBG_TRANS
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#endif
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#if defined(CONFIG_NFS_V4_1)
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/*
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* Helper routines that track the number of preallocation elements
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* on the transport.
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@ -279,4 +277,3 @@ void xprt_free_bc_request(struct rpc_rqst *req)
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spin_unlock_bh(&xprt->bc_pa_lock);
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}
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#endif /* CONFIG_NFS_V4_1 */
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@ -27,8 +27,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* reply over an existing open connection previously established by the client.
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*/
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#if defined(CONFIG_NFS_V4_1)
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#include <linux/module.h>
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#include <linux/sunrpc/xprt.h>
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@ -63,4 +61,3 @@ int bc_send(struct rpc_rqst *req)
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return ret;
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}
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#endif /* CONFIG_NFS_V4_1 */
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@ -64,9 +64,9 @@ static void call_decode(struct rpc_task *task);
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static void call_bind(struct rpc_task *task);
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static void call_bind_status(struct rpc_task *task);
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static void call_transmit(struct rpc_task *task);
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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static void call_bc_transmit(struct rpc_task *task);
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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static void call_status(struct rpc_task *task);
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static void call_transmit_status(struct rpc_task *task);
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static void call_refresh(struct rpc_task *task);
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@ -716,7 +716,7 @@ rpc_call_async(struct rpc_clnt *clnt, const struct rpc_message *msg, int flags,
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}
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EXPORT_SYMBOL_GPL(rpc_call_async);
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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/**
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* rpc_run_bc_task - Allocate a new RPC task for backchannel use, then run
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* rpc_execute against it
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@ -759,7 +759,7 @@ out:
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dprintk("RPC: rpc_run_bc_task: task= %p\n", task);
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return task;
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}
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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void
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rpc_call_start(struct rpc_task *task)
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@ -1362,7 +1362,7 @@ call_transmit_status(struct rpc_task *task)
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}
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}
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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/*
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* 5b. Send the backchannel RPC reply. On error, drop the reply. In
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* addition, disconnect on connectivity errors.
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@ -1426,7 +1426,7 @@ call_bc_transmit(struct rpc_task *task)
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}
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rpc_wake_up_queued_task(&req->rq_xprt->pending, task);
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}
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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/*
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* 6. Sort out the RPC call status
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@ -1252,7 +1252,7 @@ svc_process(struct svc_rqst *rqstp)
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}
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}
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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/*
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* Process a backchannel RPC request that arrived over an existing
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* outbound connection
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@ -1301,7 +1301,7 @@ bc_svc_process(struct svc_serv *serv, struct rpc_rqst *req,
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}
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}
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EXPORT_SYMBOL(bc_svc_process);
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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/*
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* Return (transport-specific) limit on the rpc payload.
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@ -66,12 +66,12 @@ static void svc_sock_free(struct svc_xprt *);
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static struct svc_xprt *svc_create_socket(struct svc_serv *, int,
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struct net *, struct sockaddr *,
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int, int);
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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static struct svc_xprt *svc_bc_create_socket(struct svc_serv *, int,
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struct net *, struct sockaddr *,
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int, int);
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static void svc_bc_sock_free(struct svc_xprt *xprt);
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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#ifdef CONFIG_DEBUG_LOCK_ALLOC
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static struct lock_class_key svc_key[2];
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@ -1241,7 +1241,7 @@ static struct svc_xprt *svc_tcp_create(struct svc_serv *serv,
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return svc_create_socket(serv, IPPROTO_TCP, net, sa, salen, flags);
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}
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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static struct svc_xprt *svc_bc_create_socket(struct svc_serv *, int,
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struct net *, struct sockaddr *,
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int, int);
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@ -1282,7 +1282,7 @@ static void svc_cleanup_bc_xprt_sock(void)
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{
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svc_unreg_xprt_class(&svc_tcp_bc_class);
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}
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#else /* CONFIG_NFS_V4_1 */
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#else /* CONFIG_SUNRPC_BACKCHANNEL */
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static void svc_init_bc_xprt_sock(void)
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{
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}
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@ -1290,7 +1290,7 @@ static void svc_init_bc_xprt_sock(void)
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static void svc_cleanup_bc_xprt_sock(void)
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{
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}
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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static struct svc_xprt_ops svc_tcp_ops = {
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.xpo_create = svc_tcp_create,
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@ -1621,7 +1621,7 @@ static void svc_sock_free(struct svc_xprt *xprt)
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kfree(svsk);
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}
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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/*
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* Create a back channel svc_xprt which shares the fore channel socket.
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*/
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@ -1660,4 +1660,4 @@ static void svc_bc_sock_free(struct svc_xprt *xprt)
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if (xprt)
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kfree(container_of(xprt, struct svc_sock, sk_xprt));
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}
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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@ -1111,10 +1111,10 @@ found:
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INIT_LIST_HEAD(&xprt->free);
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INIT_LIST_HEAD(&xprt->recv);
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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spin_lock_init(&xprt->bc_pa_lock);
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INIT_LIST_HEAD(&xprt->bc_pa_list);
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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INIT_WORK(&xprt->task_cleanup, xprt_autoclose);
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if (xprt_has_timer(xprt))
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@ -37,7 +37,7 @@
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#include <linux/sunrpc/svcsock.h>
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#include <linux/sunrpc/xprtsock.h>
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#include <linux/file.h>
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#ifdef CONFIG_NFS_V4_1
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#ifdef CONFIG_SUNRPC_BACKCHANNEL
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#include <linux/sunrpc/bc_xprt.h>
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#endif
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@ -1236,7 +1236,7 @@ static inline int xs_tcp_read_reply(struct rpc_xprt *xprt,
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return 0;
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}
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#if defined(CONFIG_NFS_V4_1)
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#if defined(CONFIG_SUNRPC_BACKCHANNEL)
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/*
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* Obtains an rpc_rqst previously allocated and invokes the common
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* tcp read code to read the data. The result is placed in the callback
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@ -1299,7 +1299,7 @@ static inline int _xs_tcp_read_data(struct rpc_xprt *xprt,
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{
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return xs_tcp_read_reply(xprt, desc);
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}
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#endif /* CONFIG_NFS_V4_1 */
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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/*
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* Read data off the transport. This can be either an RPC_CALL or an
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