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 | */ |
15 | struct 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 | |
22 | extern int nfs_cache_upcall(struct cache_detail *cd, char *entry_name); |
23 | extern struct nfs_cache_defer_req *nfs_cache_defer_req_alloc(void); |
24 | extern void nfs_cache_defer_req_put(struct nfs_cache_defer_req *dreq); |
25 | extern int nfs_cache_wait_for_upcall(struct nfs_cache_defer_req *dreq); |
26 | |
27 | extern int nfs_cache_register_net(struct net *net, struct cache_detail *cd); |
28 | extern void nfs_cache_unregister_net(struct net *net, struct cache_detail *cd); |
29 | extern int nfs_cache_register_sb(struct super_block *sb, |
30 | struct cache_detail *cd); |
31 | extern void nfs_cache_unregister_sb(struct super_block *sb, |
32 | struct cache_detail *cd); |
33 |