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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2009-09-11 14:59:37 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2009-09-11 14:59:37 -0400 |
| commit | ab3bbaa8b257845e248e9a01d12a69ca245f4197 (patch) | |
| tree | f3054be9bd612194826ed6969d01346d329c3306 /fs/nfs/cache_lib.h | |
| parent | 332a3392188e0ad966543c87b8da2b9d246f301d (diff) | |
| parent | 2ecda72b49a0849ce41e7fa1fa974a245b9119f8 (diff) | |
| download | op-kernel-dev-ab3bbaa8b257845e248e9a01d12a69ca245f4197.zip op-kernel-dev-ab3bbaa8b257845e248e9a01d12a69ca245f4197.tar.gz | |
Merge branch 'nfs-for-2.6.32'
Diffstat (limited to 'fs/nfs/cache_lib.h')
| -rw-r--r-- | fs/nfs/cache_lib.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/fs/nfs/cache_lib.h b/fs/nfs/cache_lib.h new file mode 100644 index 0000000..76f856e --- /dev/null +++ b/fs/nfs/cache_lib.h @@ -0,0 +1,27 @@ +/* + * 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 <asm/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(struct cache_detail *cd); +extern void nfs_cache_unregister(struct cache_detail *cd); |
