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/*
* Helper routines for the NFS client caches
*
* Copyright (c) 2009 Trond Myklebust <Trond.Myklebust@netapp.com>
*/
#include <linux/completion.h>
#include <linux/sunrpc/cache.h>
#include <linux/atomic.h>
/*
* Deferred request handling
*/
struct nfs_cache_defer_req {
struct cache_req req;
struct cache_deferred_req deferred_req;
struct completion completion;
atomic_t count;
};
extern int nfs_cache_upcall(struct cache_detail *cd, char *entry_name);
extern struct nfs_cache_defer_req *nfs_cache_defer_req_alloc(void);
extern void nfs_cache_defer_req_put(struct nfs_cache_defer_req *dreq);
extern int nfs_cache_wait_for_upcall(struct nfs_cache_defer_req *dreq);
extern int nfs_cache_register_net(struct net *net, struct cache_detail *cd);
extern void nfs_cache_unregister_net(struct net *net, struct cache_detail *cd);
extern int nfs_cache_register_sb(struct super_block *sb,
struct cache_detail *cd);
extern void nfs_cache_unregister_sb(struct super_block *sb,
struct cache_detail *cd);
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