git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| e571cbf1 TM |
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); |