| Trond Myklebust | e571cbf | 2009-08-19 18:12:27 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Helper routines for the NFS client caches |
| 3 | * |
| 4 | * Copyright (c) 2009 Trond Myklebust <Trond.Myklebust@netapp.com> |
| 5 | */ |
| 6 | |
| 7 | #include <linux/completion.h> |
| 8 | #include <linux/sunrpc/cache.h> |
| 9 | #include <asm/atomic.h> |
| 10 | |
| 11 | /* |
| 12 | * Deferred request handling |
| 13 | */ |
| 14 | struct nfs_cache_defer_req { |
| 15 | struct cache_req req; |
| 16 | struct cache_deferred_req deferred_req; |
| 17 | struct completion completion; |
| 18 | atomic_t count; |
| 19 | }; |
| 20 | |
| 21 | extern int nfs_cache_upcall(struct cache_detail *cd, char *entry_name); |
| 22 | extern struct nfs_cache_defer_req *nfs_cache_defer_req_alloc(void); |
| 23 | extern void nfs_cache_defer_req_put(struct nfs_cache_defer_req *dreq); |
| 24 | extern int nfs_cache_wait_for_upcall(struct nfs_cache_defer_req *dreq); |
| 25 | |
| 26 | extern int nfs_cache_register(struct cache_detail *cd); |
| 27 | extern void nfs_cache_unregister(struct cache_detail *cd); |