1 files changed, 0 insertions, 165 deletions
diff --git a/ANDROID_3.4.5/include/linux/pipe_fs_i.h b/ANDROID_3.4.5/include/linux/pipe_fs_i.h
deleted file mode 100644
index e1ac1ce1..00000000
--- a/ANDROID_3.4.5/include/linux/pipe_fs_i.h
+++ /dev/null
@@ -1,165 +0,0 @@
-#ifndef _LINUX_PIPE_FS_I_H
-#define _LINUX_PIPE_FS_I_H
-
-#define PIPE_DEF_BUFFERS	16
-
-#define PIPE_BUF_FLAG_LRU	0x01	/* page is on the LRU */
-#define PIPE_BUF_FLAG_ATOMIC	0x02	/* was atomically mapped */
-#define PIPE_BUF_FLAG_GIFT	0x04	/* page is a gift */
-#define PIPE_BUF_FLAG_PACKET	0x08	/* read() as a packet */
-
-/**
- *	struct pipe_buffer - a linux kernel pipe buffer
- *	@page: the page containing the data for the pipe buffer
- *	@offset: offset of data inside the @page
- *	@len: length of data inside the @page
- *	@ops: operations associated with this buffer. See @pipe_buf_operations.
- *	@flags: pipe buffer flags. See above.
- *	@private: private data owned by the ops.
- **/
-struct pipe_buffer {
-	struct page *page;
-	unsigned int offset, len;
-	const struct pipe_buf_operations *ops;
-	unsigned int flags;
-	unsigned long private;
-};
-
-/**
- *	struct pipe_inode_info - a linux kernel pipe
- *	@wait: reader/writer wait point in case of empty/full pipe
- *	@nrbufs: the number of non-empty pipe buffers in this pipe
- *	@buffers: total number of buffers (should be a power of 2)
- *	@curbuf: the current pipe buffer entry
- *	@tmp_page: cached released page
- *	@readers: number of current readers of this pipe
- *	@writers: number of current writers of this pipe
- *	@waiting_writers: number of writers blocked waiting for room
- *	@r_counter: reader counter
- *	@w_counter: writer counter
- *	@fasync_readers: reader side fasync
- *	@fasync_writers: writer side fasync
- *	@inode: inode this pipe is attached to
- *	@bufs: the circular array of pipe buffers
- **/
-struct pipe_inode_info {
-	wait_queue_head_t wait;
-	unsigned int nrbufs, curbuf, buffers;
-	unsigned int readers;
-	unsigned int writers;
-	unsigned int waiting_writers;
-	unsigned int r_counter;
-	unsigned int w_counter;
-	struct page *tmp_page;
-	struct fasync_struct *fasync_readers;
-	struct fasync_struct *fasync_writers;
-	struct inode *inode;
-	struct pipe_buffer *bufs;
-};
-
-/*
- * Note on the nesting of these functions:
- *
- * ->confirm()
- *	->steal()
- *	...
- *	->map()
- *	...
- *	->unmap()
- *
- * That is, ->map() must be called on a confirmed buffer,
- * same goes for ->steal(). See below for the meaning of each
- * operation. Also see kerneldoc in fs/pipe.c for the pipe
- * and generic variants of these hooks.
- */
-struct pipe_buf_operations {
-	/*
-	 * This is set to 1, if the generic pipe read/write may coalesce
-	 * data into an existing buffer. If this is set to 0, a new pipe
-	 * page segment is always used for new data.
-	 */
-	int can_merge;
-
-	/*
-	 * ->map() returns a virtual address mapping of the pipe buffer.
-	 * The last integer flag reflects whether this should be an atomic
-	 * mapping or not. The atomic map is faster, however you can't take
-	 * page faults before calling ->unmap() again. So if you need to eg
-	 * access user data through copy_to/from_user(), then you must get
-	 * a non-atomic map. ->map() uses the KM_USER0 atomic slot for
-	 * atomic maps, so you can't map more than one pipe_buffer at once
-	 * and you have to be careful if mapping another page as source
-	 * or destination for a copy (IOW, it has to use something else
-	 * than KM_USER0).
-	 */
-	void * (*map)(struct pipe_inode_info *, struct pipe_buffer *, int);
-
-	/*
-	 * Undoes ->map(), finishes the virtual mapping of the pipe buffer.
-	 */
-	void (*unmap)(struct pipe_inode_info *, struct pipe_buffer *, void *);
-
-	/*
-	 * ->confirm() verifies that the data in the pipe buffer is there
-	 * and that the contents are good. If the pages in the pipe belong
-	 * to a file system, we may need to wait for IO completion in this
-	 * hook. Returns 0 for good, or a negative error value in case of
-	 * error.
-	 */
-	int (*confirm)(struct pipe_inode_info *, struct pipe_buffer *);
-
-	/*
-	 * When the contents of this pipe buffer has been completely
-	 * consumed by a reader, ->release() is called.
-	 */
-	void (*release)(struct pipe_inode_info *, struct pipe_buffer *);
-
-	/*
-	 * Attempt to take ownership of the pipe buffer and its contents.
-	 * ->steal() returns 0 for success, in which case the contents
-	 * of the pipe (the buf->page) is locked and now completely owned
-	 * by the caller. The page may then be transferred to a different
-	 * mapping, the most often used case is insertion into different
-	 * file address space cache.
-	 */
-	int (*steal)(struct pipe_inode_info *, struct pipe_buffer *);
-
-	/*
-	 * Get a reference to the pipe buffer.
-	 */
-	void (*get)(struct pipe_inode_info *, struct pipe_buffer *);
-};
-
-/* Differs from PIPE_BUF in that PIPE_SIZE is the length of the actual
-   memory allocation, whereas PIPE_BUF makes atomicity guarantees.  */
-#define PIPE_SIZE		PAGE_SIZE
-
-/* Pipe lock and unlock operations */
-void pipe_lock(struct pipe_inode_info *);
-void pipe_unlock(struct pipe_inode_info *);
-void pipe_double_lock(struct pipe_inode_info *, struct pipe_inode_info *);
-
-extern unsigned int pipe_max_size, pipe_min_size;
-int pipe_proc_fn(struct ctl_table *, int, void __user *, size_t *, loff_t *);
-
-
-/* Drop the inode semaphore and wait for a pipe event, atomically */
-void pipe_wait(struct pipe_inode_info *pipe);
-
-struct pipe_inode_info * alloc_pipe_info(struct inode * inode);
-void free_pipe_info(struct inode * inode);
-void __free_pipe_info(struct pipe_inode_info *);
-
-/* Generic pipe buffer ops functions */
-void *generic_pipe_buf_map(struct pipe_inode_info *, struct pipe_buffer *, int);
-void generic_pipe_buf_unmap(struct pipe_inode_info *, struct pipe_buffer *, void *);
-void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *);
-int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *);
-int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *);
-void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *);
-
-/* for F_SETPIPE_SZ and F_GETPIPE_SZ */
-long pipe_fcntl(struct file *, unsigned int, unsigned long arg);
-struct pipe_inode_info *get_pipe_info(struct file *file);
-
-#endif