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/* SPDX-License-Identifier: GPL-2.0 */
/*
 * RPC client multipathing definitions
 *
 * Copyright (c) 2015, 2016, Primary Data, Inc. All rights reserved.
 *
 * Trond Myklebust <trond.myklebust@primarydata.com>
 */
#ifndef _NET_SUNRPC_XPRTMULTIPATH_H
#define _NET_SUNRPC_XPRTMULTIPATH_H

struct rpc_xprt_iter_ops;
struct rpc_xprt_switch {
	spinlock_t		xps_lock;
	struct kref		xps_kref;

	unsigned int		xps_nxprts;
	struct list_head	xps_xprt_list;

	struct net *		xps_net;

	const struct rpc_xprt_iter_ops *xps_iter_ops;

	struct rcu_head		xps_rcu;
};

struct rpc_xprt_iter {
	struct rpc_xprt_switch __rcu *xpi_xpswitch;
	struct rpc_xprt *	xpi_cursor;

	const struct rpc_xprt_iter_ops *xpi_ops;
};


struct rpc_xprt_iter_ops {
	void (*xpi_rewind)(struct rpc_xprt_iter *);
	struct rpc_xprt *(*xpi_xprt)(struct rpc_xprt_iter *);
	struct rpc_xprt *(*xpi_next)(struct rpc_xprt_iter *);
};

extern struct rpc_xprt_switch *xprt_switch_alloc(struct rpc_xprt *xprt,
		gfp_t gfp_flags);

extern struct rpc_xprt_switch *xprt_switch_get(struct rpc_xprt_switch *xps);
extern void xprt_switch_put(struct rpc_xprt_switch *xps);

extern void rpc_xprt_switch_set_roundrobin(struct rpc_xprt_switch *xps);

extern void rpc_xprt_switch_add_xprt(struct rpc_xprt_switch *xps,
		struct rpc_xprt *xprt);
extern void rpc_xprt_switch_remove_xprt(struct rpc_xprt_switch *xps,
		struct rpc_xprt *xprt);

extern void xprt_iter_init(struct rpc_xprt_iter *xpi,
		struct rpc_xprt_switch *xps);

extern void xprt_iter_init_listall(struct rpc_xprt_iter *xpi,
		struct rpc_xprt_switch *xps);

extern void xprt_iter_destroy(struct rpc_xprt_iter *xpi);

extern struct rpc_xprt_switch *xprt_iter_xchg_switch(
		struct rpc_xprt_iter *xpi,
		struct rpc_xprt_switch *newswitch);

extern struct rpc_xprt *xprt_iter_xprt(struct rpc_xprt_iter *xpi);
extern struct rpc_xprt *xprt_iter_get_xprt(struct rpc_xprt_iter *xpi);
extern struct rpc_xprt *xprt_iter_get_next(struct rpc_xprt_iter *xpi);

extern bool rpc_xprt_switch_has_addr(struct rpc_xprt_switch *xps,
		const struct sockaddr *sap);
#endif

Filemanager

Name Type Size Permission Actions
addr.h File 4.94 KB 0644
auth.h File 7.43 KB 0644
auth_gss.h File 2.33 KB 0644
bc_xprt.h File 2.42 KB 0644
cache.h File 8.38 KB 0644
clnt.h File 7.17 KB 0644
debug.h File 2.76 KB 0644
gss_api.h File 4.56 KB 0644
gss_asn1.h File 3.11 KB 0644
gss_err.h File 5.93 KB 0644
gss_krb5.h File 11.15 KB 0644
gss_krb5_enctypes.h File 123 B 0644
metrics.h File 3.52 KB 0644
msg_prot.h File 6.23 KB 0644
rpc_pipe_fs.h File 3.92 KB 0644
rpc_rdma.h File 3.81 KB 0644
sched.h File 9.09 KB 0644
stats.h File 2.01 KB 0644
svc.h File 16.55 KB 0644
svc_rdma.h File 7.43 KB 0644
svc_xprt.h File 6.63 KB 0644
svcauth.h File 6.11 KB 0644
svcauth_gss.h File 824 B 0644
svcsock.h File 2.06 KB 0644
timer.h File 1.14 KB 0644
types.h File 497 B 0644
xdr.h File 12.73 KB 0644
xprt.h File 14.77 KB 0644
xprtmultipath.h File 2 KB 0644
xprtrdma.h File 2.9 KB 0644
xprtsock.h File 1.73 KB 0644