Release 4.7 include/linux/sunrpc/xprtmultipath.h

/*
 * 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);

#endif
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
trond myklebust
trond myklebust
281
100.00%
1
100.00%
Total
281
100.00%
1
100.00%
  
Directory: include/linux/sunrpc

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.