Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 429 deletions

diff --git a/ANDROID_3.4.5/fs/coda/psdev.c b/ANDROID_3.4.5/fs/coda/psdev.c
deleted file mode 100644
index 761d5b31..00000000
--- a/ANDROID_3.4.5/fs/coda/psdev.c
+++ /dev/null
@@ -1,429 +0,0 @@
-/*
- *      	An implementation of a loadable kernel mode driver providing
- *		multiple kernel/user space bidirectional communications links.
- *
- * 		Author: 	Alan Cox <alan@lxorguk.ukuu.org.uk>
- *
- *		This program is free software; you can redistribute it and/or
- *		modify it under the terms of the GNU General Public License
- *		as published by the Free Software Foundation; either version
- *		2 of the License, or (at your option) any later version.
- * 
- *              Adapted to become the Linux 2.0 Coda pseudo device
- *              Peter  Braam  <braam@maths.ox.ac.uk> 
- *              Michael Callahan <mjc@emmy.smith.edu>           
- *
- *              Changes for Linux 2.1
- *              Copyright (c) 1997 Carnegie-Mellon University
- */
-
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/time.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/ioport.h>
-#include <linux/fcntl.h>
-#include <linux/delay.h>
-#include <linux/skbuff.h>
-#include <linux/proc_fs.h>
-#include <linux/vmalloc.h>
-#include <linux/fs.h>
-#include <linux/file.h>
-#include <linux/poll.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/mutex.h>
-#include <linux/device.h>
-#include <asm/io.h>
-#include <asm/poll.h>
-#include <asm/uaccess.h>
-
-#include <linux/coda.h>
-#include <linux/coda_psdev.h>
-
-#include "coda_linux.h"
-
-#include "coda_int.h"
-
-/* statistics */
-int           coda_hard;         /* allows signals during upcalls */
-unsigned long coda_timeout = 30; /* .. secs, then signals will dequeue */
-
-
-struct venus_comm coda_comms[MAX_CODADEVS];
-static struct class *coda_psdev_class;
-
-/*
- * Device operations
- */
-
-static unsigned int coda_psdev_poll(struct file *file, poll_table * wait)
-{
-        struct venus_comm *vcp = (struct venus_comm *) file->private_data;
-	unsigned int mask = POLLOUT | POLLWRNORM;
-
-	poll_wait(file, &vcp->vc_waitq, wait);
-	mutex_lock(&vcp->vc_mutex);
-	if (!list_empty(&vcp->vc_pending))
-                mask |= POLLIN | POLLRDNORM;
-	mutex_unlock(&vcp->vc_mutex);
-
-	return mask;
-}
-
-static long coda_psdev_ioctl(struct file * filp, unsigned int cmd, unsigned long arg)
-{
-	unsigned int data;
-
-	switch(cmd) {
-	case CIOC_KERNEL_VERSION:
-		data = CODA_KERNEL_VERSION;
-		return put_user(data, (int __user *) arg);
-	default:
-		return -ENOTTY;
-	}
-
-	return 0;
-}
-
-/*
- *	Receive a message written by Venus to the psdev
- */
- 
-static ssize_t coda_psdev_write(struct file *file, const char __user *buf, 
-				size_t nbytes, loff_t *off)
-{
-        struct venus_comm *vcp = (struct venus_comm *) file->private_data;
-        struct upc_req *req = NULL;
-        struct upc_req *tmp;
-	struct list_head *lh;
-	struct coda_in_hdr hdr;
-	ssize_t retval = 0, count = 0;
-	int error;
-
-        /* Peek at the opcode, uniquefier */
-	if (copy_from_user(&hdr, buf, 2 * sizeof(u_long)))
-	        return -EFAULT;
-
-        if (DOWNCALL(hdr.opcode)) {
-		union outputArgs *dcbuf;
-		int size = sizeof(*dcbuf);
-
-		if  ( nbytes < sizeof(struct coda_out_hdr) ) {
-		        printk("coda_downcall opc %d uniq %d, not enough!\n",
-			       hdr.opcode, hdr.unique);
-			count = nbytes;
-			goto out;
-		}
-		if ( nbytes > size ) {
-		        printk("Coda: downcall opc %d, uniq %d, too much!",
-			       hdr.opcode, hdr.unique);
-		        nbytes = size;
-		}
-		CODA_ALLOC(dcbuf, union outputArgs *, nbytes);
-		if (copy_from_user(dcbuf, buf, nbytes)) {
-			CODA_FREE(dcbuf, nbytes);
-			retval = -EFAULT;
-			goto out;
-		}
-
-		/* what downcall errors does Venus handle ? */
-		error = coda_downcall(vcp, hdr.opcode, dcbuf);
-
-		CODA_FREE(dcbuf, nbytes);
-		if (error) {
-		        printk("psdev_write: coda_downcall error: %d\n", error);
-			retval = error;
-			goto out;
-		}
-		count = nbytes;
-		goto out;
-	}
-        
-	/* Look for the message on the processing queue. */
-	mutex_lock(&vcp->vc_mutex);
-	list_for_each(lh, &vcp->vc_processing) {
-		tmp = list_entry(lh, struct upc_req , uc_chain);
-		if (tmp->uc_unique == hdr.unique) {
-			req = tmp;
-			list_del(&req->uc_chain);
-			break;
-		}
-	}
-	mutex_unlock(&vcp->vc_mutex);
-
-	if (!req) {
-		printk("psdev_write: msg (%d, %d) not found\n", 
-			hdr.opcode, hdr.unique);
-		retval = -ESRCH;
-		goto out;
-	}
-
-        /* move data into response buffer. */
-	if (req->uc_outSize < nbytes) {
-                printk("psdev_write: too much cnt: %d, cnt: %ld, opc: %d, uniq: %d.\n",
-		       req->uc_outSize, (long)nbytes, hdr.opcode, hdr.unique);
-		nbytes = req->uc_outSize; /* don't have more space! */
-	}
-        if (copy_from_user(req->uc_data, buf, nbytes)) {
-		req->uc_flags |= CODA_REQ_ABORT;
-		wake_up(&req->uc_sleep);
-		retval = -EFAULT;
-		goto out;
-	}
-
-	/* adjust outsize. is this useful ?? */
-	req->uc_outSize = nbytes;
-	req->uc_flags |= CODA_REQ_WRITE;
-	count = nbytes;
-
-	/* Convert filedescriptor into a file handle */
-	if (req->uc_opcode == CODA_OPEN_BY_FD) {
-		struct coda_open_by_fd_out *outp =
-			(struct coda_open_by_fd_out *)req->uc_data;
-		if (!outp->oh.result)
-			outp->fh = fget(outp->fd);
-	}
-
-        wake_up(&req->uc_sleep);
-out:
-        return(count ? count : retval);  
-}
-
-/*
- *	Read a message from the kernel to Venus
- */
-
-static ssize_t coda_psdev_read(struct file * file, char __user * buf, 
-			       size_t nbytes, loff_t *off)
-{
-	DECLARE_WAITQUEUE(wait, current);
-        struct venus_comm *vcp = (struct venus_comm *) file->private_data;
-        struct upc_req *req;
-	ssize_t retval = 0, count = 0;
-
-	if (nbytes == 0)
-		return 0;
-
-	mutex_lock(&vcp->vc_mutex);
-
-	add_wait_queue(&vcp->vc_waitq, &wait);
-	set_current_state(TASK_INTERRUPTIBLE);
-
-	while (list_empty(&vcp->vc_pending)) {
-		if (file->f_flags & O_NONBLOCK) {
-			retval = -EAGAIN;
-			break;
-		}
-		if (signal_pending(current)) {
-			retval = -ERESTARTSYS;
-			break;
-		}
-		mutex_unlock(&vcp->vc_mutex);
-		schedule();
-		mutex_lock(&vcp->vc_mutex);
-	}
-
-	set_current_state(TASK_RUNNING);
-	remove_wait_queue(&vcp->vc_waitq, &wait);
-
-	if (retval)
-		goto out;
-
-	req = list_entry(vcp->vc_pending.next, struct upc_req,uc_chain);
-	list_del(&req->uc_chain);
-
-	/* Move the input args into userspace */
-	count = req->uc_inSize;
-	if (nbytes < req->uc_inSize) {
-                printk ("psdev_read: Venus read %ld bytes of %d in message\n",
-			(long)nbytes, req->uc_inSize);
-		count = nbytes;
-        }
-
-	if (copy_to_user(buf, req->uc_data, count))
-	        retval = -EFAULT;
-        
-	/* If request was not a signal, enqueue and don't free */
-	if (!(req->uc_flags & CODA_REQ_ASYNC)) {
-		req->uc_flags |= CODA_REQ_READ;
-		list_add_tail(&(req->uc_chain), &vcp->vc_processing);
-		goto out;
-	}
-
-	CODA_FREE(req->uc_data, sizeof(struct coda_in_hdr));
-	kfree(req);
-out:
-	mutex_unlock(&vcp->vc_mutex);
-	return (count ? count : retval);
-}
-
-static int coda_psdev_open(struct inode * inode, struct file * file)
-{
-	struct venus_comm *vcp;
-	int idx, err;
-
-	idx = iminor(inode);
-	if (idx < 0 || idx >= MAX_CODADEVS)
-		return -ENODEV;
-
-	err = -EBUSY;
-	vcp = &coda_comms[idx];
-	mutex_lock(&vcp->vc_mutex);
-
-	if (!vcp->vc_inuse) {
-		vcp->vc_inuse++;
-
-		INIT_LIST_HEAD(&vcp->vc_pending);
-		INIT_LIST_HEAD(&vcp->vc_processing);
-		init_waitqueue_head(&vcp->vc_waitq);
-		vcp->vc_sb = NULL;
-		vcp->vc_seq = 0;
-
-		file->private_data = vcp;
-		err = 0;
-	}
-
-	mutex_unlock(&vcp->vc_mutex);
-	return err;
-}
-
-
-static int coda_psdev_release(struct inode * inode, struct file * file)
-{
-	struct venus_comm *vcp = (struct venus_comm *) file->private_data;
-	struct upc_req *req, *tmp;
-
-	if (!vcp || !vcp->vc_inuse ) {
-		printk("psdev_release: Not open.\n");
-		return -1;
-	}
-
-	mutex_lock(&vcp->vc_mutex);
-
-	/* Wakeup clients so they can return. */
-	list_for_each_entry_safe(req, tmp, &vcp->vc_pending, uc_chain) {
-		list_del(&req->uc_chain);
-
-		/* Async requests need to be freed here */
-		if (req->uc_flags & CODA_REQ_ASYNC) {
-			CODA_FREE(req->uc_data, sizeof(struct coda_in_hdr));
-			kfree(req);
-			continue;
-		}
-		req->uc_flags |= CODA_REQ_ABORT;
-		wake_up(&req->uc_sleep);
-	}
-
-	list_for_each_entry_safe(req, tmp, &vcp->vc_processing, uc_chain) {
-		list_del(&req->uc_chain);
-
-		req->uc_flags |= CODA_REQ_ABORT;
-		wake_up(&req->uc_sleep);
-	}
-
-	file->private_data = NULL;
-	vcp->vc_inuse--;
-	mutex_unlock(&vcp->vc_mutex);
-	return 0;
-}
-
-
-static const struct file_operations coda_psdev_fops = {
-	.owner		= THIS_MODULE,
-	.read		= coda_psdev_read,
-	.write		= coda_psdev_write,
-	.poll		= coda_psdev_poll,
-	.unlocked_ioctl	= coda_psdev_ioctl,
-	.open		= coda_psdev_open,
-	.release	= coda_psdev_release,
-	.llseek		= noop_llseek,
-};
-
-static int init_coda_psdev(void)
-{
-	int i, err = 0;
-	if (register_chrdev(CODA_PSDEV_MAJOR, "coda", &coda_psdev_fops)) {
-              printk(KERN_ERR "coda_psdev: unable to get major %d\n", 
-		     CODA_PSDEV_MAJOR);
-              return -EIO;
-	}
-	coda_psdev_class = class_create(THIS_MODULE, "coda");
-	if (IS_ERR(coda_psdev_class)) {
-		err = PTR_ERR(coda_psdev_class);
-		goto out_chrdev;
-	}		
-	for (i = 0; i < MAX_CODADEVS; i++) {
-		mutex_init(&(&coda_comms[i])->vc_mutex);
-		device_create(coda_psdev_class, NULL,
-			      MKDEV(CODA_PSDEV_MAJOR, i), NULL, "cfs%d", i);
-	}
-	coda_sysctl_init();
-	goto out;
-
-out_chrdev:
-	unregister_chrdev(CODA_PSDEV_MAJOR, "coda");
-out:
-	return err;
-}
-
-MODULE_AUTHOR("Jan Harkes, Peter J. Braam");
-MODULE_DESCRIPTION("Coda Distributed File System VFS interface");
-MODULE_ALIAS_CHARDEV_MAJOR(CODA_PSDEV_MAJOR);
-MODULE_LICENSE("GPL");
-MODULE_VERSION("6.6");
-
-static int __init init_coda(void)
-{
-	int status;
-	int i;
-
-	status = coda_init_inodecache();
-	if (status)
-		goto out2;
-	status = init_coda_psdev();
-	if ( status ) {
-		printk("Problem (%d) in init_coda_psdev\n", status);
-		goto out1;
-	}
-	
-	status = register_filesystem(&coda_fs_type);
-	if (status) {
-		printk("coda: failed to register filesystem!\n");
-		goto out;
-	}
-	return 0;
-out:
-	for (i = 0; i < MAX_CODADEVS; i++)
-		device_destroy(coda_psdev_class, MKDEV(CODA_PSDEV_MAJOR, i));
-	class_destroy(coda_psdev_class);
-	unregister_chrdev(CODA_PSDEV_MAJOR, "coda");
-	coda_sysctl_clean();
-out1:
-	coda_destroy_inodecache();
-out2:
-	return status;
-}
-
-static void __exit exit_coda(void)
-{
-        int err, i;
-
-	err = unregister_filesystem(&coda_fs_type);
-        if ( err != 0 ) {
-                printk("coda: failed to unregister filesystem\n");
-        }
-	for (i = 0; i < MAX_CODADEVS; i++)
-		device_destroy(coda_psdev_class, MKDEV(CODA_PSDEV_MAJOR, i));
-	class_destroy(coda_psdev_class);
-	unregister_chrdev(CODA_PSDEV_MAJOR, "coda");
-	coda_sysctl_clean();
-	coda_destroy_inodecache();
-}
-
-module_init(init_coda);
-module_exit(exit_coda);
-