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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 423 | giacomo | 1 | #ifndef _LINUX_SUNRPC_RPC_PIPE_FS_H |
| 2 | #define _LINUX_SUNRPC_RPC_PIPE_FS_H |
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| 3 | |||
| 4 | #ifdef __KERNEL__ |
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| 5 | |||
| 6 | struct rpc_pipe_msg { |
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| 7 | struct list_head list; |
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| 8 | void *data; |
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| 9 | size_t len; |
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| 10 | size_t copied; |
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| 11 | int errno; |
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| 12 | }; |
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| 13 | |||
| 14 | struct rpc_pipe_ops { |
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| 15 | ssize_t (*upcall)(struct file *, struct rpc_pipe_msg *, char __user *, size_t); |
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| 16 | ssize_t (*downcall)(struct file *, const char __user *, size_t); |
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| 17 | void (*destroy_msg)(struct rpc_pipe_msg *); |
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| 18 | }; |
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| 19 | |||
| 20 | struct rpc_inode { |
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| 21 | struct inode vfs_inode; |
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| 22 | void *private; |
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| 23 | struct list_head pipe; |
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| 24 | int pipelen; |
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| 25 | int nreaders; |
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| 26 | wait_queue_head_t waitq; |
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| 27 | #define RPC_PIPE_WAIT_FOR_OPEN 1 |
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| 28 | int flags; |
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| 29 | struct rpc_pipe_ops *ops; |
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| 30 | }; |
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| 31 | |||
| 32 | static inline struct rpc_inode * |
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| 33 | RPC_I(struct inode *inode) |
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| 34 | { |
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| 35 | return container_of(inode, struct rpc_inode, vfs_inode); |
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| 36 | } |
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| 37 | |||
| 38 | extern void rpc_inode_setowner(struct inode *, void *); |
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| 39 | extern int rpc_queue_upcall(struct inode *, struct rpc_pipe_msg *); |
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| 40 | |||
| 41 | extern struct dentry *rpc_mkdir(char *, struct rpc_clnt *); |
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| 42 | extern int rpc_rmdir(char *); |
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| 43 | extern struct dentry *rpc_mkpipe(char *, void *, struct rpc_pipe_ops *, int flags); |
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| 44 | extern int rpc_unlink(char *); |
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| 45 | |||
| 46 | #endif |
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| 47 | #endif |