1 #ifndef _LINUX_SUNRPC_RPC_PIPE_FS_H
2 #define _LINUX_SUNRPC_RPC_PIPE_FS_H
15 ssize_t (*upcall)(struct file *, struct rpc_pipe_msg *, char __user *, size_t);
16 ssize_t (*downcall)(struct file *, const char __user *, size_t);
17 void (*release_pipe)(struct inode *);
18 int (*open_pipe)(struct inode *);
19 void (*destroy_msg)(struct rpc_pipe_msg *);
23 struct inode vfs_inode;
25 struct list_head pipe;
26 struct list_head in_upcall;
27 struct list_head in_downcall;
31 int nkern_readwriters;
32 wait_queue_head_t waitq;
33 #define RPC_PIPE_WAIT_FOR_OPEN 1
35 struct delayed_work queue_timeout;
36 const struct rpc_pipe_ops *ops;
39 static inline struct rpc_inode *
40 RPC_I(struct inode *inode)
42 return container_of(inode, struct rpc_inode, vfs_inode);
45 extern int rpc_queue_upcall(struct inode *, struct rpc_pipe_msg *);
48 extern struct dentry *rpc_create_client_dir(struct dentry *, struct qstr *, struct rpc_clnt *);
49 extern int rpc_remove_client_dir(struct dentry *);
52 extern struct dentry *rpc_create_cache_dir(struct dentry *,
55 struct cache_detail *);
56 extern void rpc_remove_cache_dir(struct dentry *);
58 extern struct dentry *rpc_mkpipe(struct dentry *, const char *, void *,
59 const struct rpc_pipe_ops *, int flags);
60 extern int rpc_unlink(struct dentry *);
61 extern struct vfsmount *rpc_get_mount(void);
62 extern void rpc_put_mount(void);
63 extern int register_rpc_pipefs(void);
64 extern void unregister_rpc_pipefs(void);