rpc_pipe_fs.h
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:1k
- #ifndef _LINUX_SUNRPC_RPC_PIPE_FS_H
- #define _LINUX_SUNRPC_RPC_PIPE_FS_H
- #ifdef __KERNEL__
- struct rpc_pipe_msg {
- struct list_head list;
- void *data;
- size_t len;
- size_t copied;
- int errno;
- };
- struct rpc_pipe_ops {
- ssize_t (*upcall)(struct file *, struct rpc_pipe_msg *, char __user *, size_t);
- ssize_t (*downcall)(struct file *, const char __user *, size_t);
- void (*release_pipe)(struct inode *);
- void (*destroy_msg)(struct rpc_pipe_msg *);
- };
- struct rpc_inode {
- struct inode vfs_inode;
- void *private;
- struct list_head pipe;
- struct list_head in_upcall;
- int pipelen;
- int nreaders;
- int nwriters;
- wait_queue_head_t waitq;
- #define RPC_PIPE_WAIT_FOR_OPEN 1
- int flags;
- struct rpc_pipe_ops *ops;
- struct work_struct queue_timeout;
- };
- static inline struct rpc_inode *
- RPC_I(struct inode *inode)
- {
- return container_of(inode, struct rpc_inode, vfs_inode);
- }
- extern int rpc_queue_upcall(struct inode *, struct rpc_pipe_msg *);
- extern struct dentry *rpc_mkdir(char *, struct rpc_clnt *);
- extern int rpc_rmdir(char *);
- extern struct dentry *rpc_mkpipe(char *, void *, struct rpc_pipe_ops *, int flags);
- extern int rpc_unlink(char *);
- #endif
- #endif