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SUNRPC: Add an rpc_pipefs front end for the sunrpc cache code

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2009-08-09 15:14:30 -04:00
parent 173912a6ad
commit 8854e82d9a
4 changed files with 190 additions and 0 deletions
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13
include/linux/sunrpc/cache.h
View File

@@ -64,6 +64,10 @@ struct cache_detail_procfs {
struct proc_dir_entry *flush_ent, *channel_ent, *content_ent;
};
struct cache_detail_pipefs {
struct dentry *dir;
};
struct cache_detail {
struct module * owner;
int hash_size;
@@ -110,6 +114,7 @@ struct cache_detail {
union {
struct cache_detail_procfs procfs;
struct cache_detail_pipefs pipefs;
} u;
};
@@ -135,6 +140,10 @@ struct cache_deferred_req {
};
extern const struct file_operations cache_file_operations_pipefs;
extern const struct file_operations content_file_operations_pipefs;
extern const struct file_operations cache_flush_operations_pipefs;
extern struct cache_head *
sunrpc_cache_lookup(struct cache_detail *detail,
struct cache_head *key, int hash);
@@ -186,6 +195,10 @@ extern void cache_purge(struct cache_detail *detail);
extern int cache_register(struct cache_detail *cd);
extern void cache_unregister(struct cache_detail *cd);
extern int sunrpc_cache_register_pipefs(struct dentry *parent, const char *,
mode_t, struct cache_detail *);
extern void sunrpc_cache_unregister_pipefs(struct cache_detail *);
extern void qword_add(char **bpp, int *lp, char *str);
extern void qword_addhex(char **bpp, int *lp, char *buf, int blen);
extern int qword_get(char **bpp, char *dest, int bufsize);

8
include/linux/sunrpc/rpc_pipe_fs.h
View File

@@ -47,6 +47,14 @@ extern int rpc_queue_upcall(struct inode *, struct rpc_pipe_msg *);
struct rpc_clnt;
extern struct dentry *rpc_create_client_dir(struct dentry *, struct qstr *, struct rpc_clnt *);
extern int rpc_remove_client_dir(struct dentry *);
struct cache_detail;
extern struct dentry *rpc_create_cache_dir(struct dentry *,
struct qstr *,
mode_t umode,
struct cache_detail *);
extern void rpc_remove_cache_dir(struct dentry *);
extern struct dentry *rpc_mkpipe(struct dentry *, const char *, void *,
const struct rpc_pipe_ops *, int flags);
extern int rpc_unlink(struct dentry *);