1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Helper routines for the NFS client caches
 4 *
 5 * Copyright (c) 2009 Trond Myklebust <Trond.Myklebust@netapp.com>
 6 */
 7
 8#include <linux/completion.h>
 9#include <linux/sunrpc/cache.h>
10#include <linux/atomic.h>
11
12/*
13 * Deferred request handling
14 */
15struct nfs_cache_defer_req {
16	struct cache_req req;
17	struct cache_deferred_req deferred_req;
18	struct completion completion;
19	refcount_t count;
20};
21
22extern int nfs_cache_upcall(struct cache_detail *cd, char *entry_name);
23extern struct nfs_cache_defer_req *nfs_cache_defer_req_alloc(void);
24extern void nfs_cache_defer_req_put(struct nfs_cache_defer_req *dreq);
25extern int nfs_cache_wait_for_upcall(struct nfs_cache_defer_req *dreq);
26
27extern int nfs_cache_register_net(struct net *net, struct cache_detail *cd);
28extern void nfs_cache_unregister_net(struct net *net, struct cache_detail *cd);
29extern int nfs_cache_register_sb(struct super_block *sb,
30				 struct cache_detail *cd);
31extern void nfs_cache_unregister_sb(struct super_block *sb,
32				    struct cache_detail *cd);

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Helper routines for the NFS client caches
 4 *
 5 * Copyright (c) 2009 Trond Myklebust <Trond.Myklebust@netapp.com>
 6 */
 7
 8#include <linux/completion.h>
 9#include <linux/sunrpc/cache.h>
10#include <linux/atomic.h>
11
12/*
13 * Deferred request handling
14 */
15struct nfs_cache_defer_req {
16	struct cache_req req;
17	struct cache_deferred_req deferred_req;
18	struct completion completion;
19	refcount_t count;
20};
21
22extern int nfs_cache_upcall(struct cache_detail *cd, char *entry_name);
23extern struct nfs_cache_defer_req *nfs_cache_defer_req_alloc(void);
24extern void nfs_cache_defer_req_put(struct nfs_cache_defer_req *dreq);
25extern int nfs_cache_wait_for_upcall(struct nfs_cache_defer_req *dreq);
26
27extern int nfs_cache_register_net(struct net *net, struct cache_detail *cd);
28extern void nfs_cache_unregister_net(struct net *net, struct cache_detail *cd);
29extern int nfs_cache_register_sb(struct super_block *sb,
30				 struct cache_detail *cd);
31extern void nfs_cache_unregister_sb(struct super_block *sb,
32				    struct cache_detail *cd);