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, 268 deletions

diff --git a/ANDROID_3.4.5/fs/fhandle.c b/ANDROID_3.4.5/fs/fhandle.c
deleted file mode 100644
index a48e4a13..00000000
--- a/ANDROID_3.4.5/fs/fhandle.c
+++ /dev/null
@@ -1,268 +0,0 @@
-#include <linux/syscalls.h>
-#include <linux/slab.h>
-#include <linux/fs.h>
-#include <linux/file.h>
-#include <linux/mount.h>
-#include <linux/namei.h>
-#include <linux/exportfs.h>
-#include <linux/fs_struct.h>
-#include <linux/fsnotify.h>
-#include <linux/personality.h>
-#include <asm/uaccess.h>
-#include "internal.h"
-#include "mount.h"
-
-static long do_sys_name_to_handle(struct path *path,
-				  struct file_handle __user *ufh,
-				  int __user *mnt_id)
-{
-	long retval;
-	struct file_handle f_handle;
-	int handle_dwords, handle_bytes;
-	struct file_handle *handle = NULL;
-
-	/*
-	 * We need t make sure wether the file system
-	 * support decoding of the file handle
-	 */
-	if (!path->dentry->d_sb->s_export_op ||
-	    !path->dentry->d_sb->s_export_op->fh_to_dentry)
-		return -EOPNOTSUPP;
-
-	if (copy_from_user(&f_handle, ufh, sizeof(struct file_handle)))
-		return -EFAULT;
-
-	if (f_handle.handle_bytes > MAX_HANDLE_SZ)
-		return -EINVAL;
-
-	handle = kmalloc(sizeof(struct file_handle) + f_handle.handle_bytes,
-			 GFP_KERNEL);
-	if (!handle)
-		return -ENOMEM;
-
-	/* convert handle size to  multiple of sizeof(u32) */
-	handle_dwords = f_handle.handle_bytes >> 2;
-
-	/* we ask for a non connected handle */
-	retval = exportfs_encode_fh(path->dentry,
-				    (struct fid *)handle->f_handle,
-				    &handle_dwords,  0);
-	handle->handle_type = retval;
-	/* convert handle size to bytes */
-	handle_bytes = handle_dwords * sizeof(u32);
-	handle->handle_bytes = handle_bytes;
-	if ((handle->handle_bytes > f_handle.handle_bytes) ||
-	    (retval == 255) || (retval == -ENOSPC)) {
-		/* As per old exportfs_encode_fh documentation
-		 * we could return ENOSPC to indicate overflow
-		 * But file system returned 255 always. So handle
-		 * both the values
-		 */
-		/*
-		 * set the handle size to zero so we copy only
-		 * non variable part of the file_handle
-		 */
-		handle_bytes = 0;
-		retval = -EOVERFLOW;
-	} else
-		retval = 0;
-	/* copy the mount id */
-	if (copy_to_user(mnt_id, &real_mount(path->mnt)->mnt_id,
-			 sizeof(*mnt_id)) ||
-	    copy_to_user(ufh, handle,
-			 sizeof(struct file_handle) + handle_bytes))
-		retval = -EFAULT;
-	kfree(handle);
-	return retval;
-}
-
-/**
- * sys_name_to_handle_at: convert name to handle
- * @dfd: directory relative to which name is interpreted if not absolute
- * @name: name that should be converted to handle.
- * @handle: resulting file handle
- * @mnt_id: mount id of the file system containing the file
- * @flag: flag value to indicate whether to follow symlink or not
- *
- * @handle->handle_size indicate the space available to store the
- * variable part of the file handle in bytes. If there is not
- * enough space, the field is updated to return the minimum
- * value required.
- */
-SYSCALL_DEFINE5(name_to_handle_at, int, dfd, const char __user *, name,
-		struct file_handle __user *, handle, int __user *, mnt_id,
-		int, flag)
-{
-	struct path path;
-	int lookup_flags;
-	int err;
-
-	if ((flag & ~(AT_SYMLINK_FOLLOW | AT_EMPTY_PATH)) != 0)
-		return -EINVAL;
-
-	lookup_flags = (flag & AT_SYMLINK_FOLLOW) ? LOOKUP_FOLLOW : 0;
-	if (flag & AT_EMPTY_PATH)
-		lookup_flags |= LOOKUP_EMPTY;
-	err = user_path_at(dfd, name, lookup_flags, &path);
-	if (!err) {
-		err = do_sys_name_to_handle(&path, handle, mnt_id);
-		path_put(&path);
-	}
-	return err;
-}
-
-static struct vfsmount *get_vfsmount_from_fd(int fd)
-{
-	struct path path;
-
-	if (fd == AT_FDCWD) {
-		struct fs_struct *fs = current->fs;
-		spin_lock(&fs->lock);
-		path = fs->pwd;
-		mntget(path.mnt);
-		spin_unlock(&fs->lock);
-	} else {
-		int fput_needed;
-		struct file *file = fget_light(fd, &fput_needed);
-		if (!file)
-			return ERR_PTR(-EBADF);
-		path = file->f_path;
-		mntget(path.mnt);
-		fput_light(file, fput_needed);
-	}
-	return path.mnt;
-}
-
-static int vfs_dentry_acceptable(void *context, struct dentry *dentry)
-{
-	return 1;
-}
-
-static int do_handle_to_path(int mountdirfd, struct file_handle *handle,
-			     struct path *path)
-{
-	int retval = 0;
-	int handle_dwords;
-
-	path->mnt = get_vfsmount_from_fd(mountdirfd);
-	if (IS_ERR(path->mnt)) {
-		retval = PTR_ERR(path->mnt);
-		goto out_err;
-	}
-	/* change the handle size to multiple of sizeof(u32) */
-	handle_dwords = handle->handle_bytes >> 2;
-	path->dentry = exportfs_decode_fh(path->mnt,
-					  (struct fid *)handle->f_handle,
-					  handle_dwords, handle->handle_type,
-					  vfs_dentry_acceptable, NULL);
-	if (IS_ERR(path->dentry)) {
-		retval = PTR_ERR(path->dentry);
-		goto out_mnt;
-	}
-	return 0;
-out_mnt:
-	mntput(path->mnt);
-out_err:
-	return retval;
-}
-
-static int handle_to_path(int mountdirfd, struct file_handle __user *ufh,
-		   struct path *path)
-{
-	int retval = 0;
-	struct file_handle f_handle;
-	struct file_handle *handle = NULL;
-
-	/*
-	 * With handle we don't look at the execute bit on the
-	 * the directory. Ideally we would like CAP_DAC_SEARCH.
-	 * But we don't have that
-	 */
-	if (!capable(CAP_DAC_READ_SEARCH)) {
-		retval = -EPERM;
-		goto out_err;
-	}
-	if (copy_from_user(&f_handle, ufh, sizeof(struct file_handle))) {
-		retval = -EFAULT;
-		goto out_err;
-	}
-	if ((f_handle.handle_bytes > MAX_HANDLE_SZ) ||
-	    (f_handle.handle_bytes == 0)) {
-		retval = -EINVAL;
-		goto out_err;
-	}
-	handle = kmalloc(sizeof(struct file_handle) + f_handle.handle_bytes,
-			 GFP_KERNEL);
-	if (!handle) {
-		retval = -ENOMEM;
-		goto out_err;
-	}
-	/* copy the full handle */
-	if (copy_from_user(handle, ufh,
-			   sizeof(struct file_handle) +
-			   f_handle.handle_bytes)) {
-		retval = -EFAULT;
-		goto out_handle;
-	}
-
-	retval = do_handle_to_path(mountdirfd, handle, path);
-
-out_handle:
-	kfree(handle);
-out_err:
-	return retval;
-}
-
-long do_handle_open(int mountdirfd,
-		    struct file_handle __user *ufh, int open_flag)
-{
-	long retval = 0;
-	struct path path;
-	struct file *file;
-	int fd;
-
-	retval = handle_to_path(mountdirfd, ufh, &path);
-	if (retval)
-		return retval;
-
-	fd = get_unused_fd_flags(open_flag);
-	if (fd < 0) {
-		path_put(&path);
-		return fd;
-	}
-	file = file_open_root(path.dentry, path.mnt, "", open_flag);
-	if (IS_ERR(file)) {
-		put_unused_fd(fd);
-		retval =  PTR_ERR(file);
-	} else {
-		retval = fd;
-		fsnotify_open(file);
-		fd_install(fd, file);
-	}
-	path_put(&path);
-	return retval;
-}
-
-/**
- * sys_open_by_handle_at: Open the file handle
- * @mountdirfd: directory file descriptor
- * @handle: file handle to be opened
- * @flag: open flags.
- *
- * @mountdirfd indicate the directory file descriptor
- * of the mount point. file handle is decoded relative
- * to the vfsmount pointed by the @mountdirfd. @flags
- * value is same as the open(2) flags.
- */
-SYSCALL_DEFINE3(open_by_handle_at, int, mountdirfd,
-		struct file_handle __user *, handle,
-		int, flags)
-{
-	long ret;
-
-	if (force_o_largefile())
-		flags |= O_LARGEFILE;
-
-	ret = do_handle_open(mountdirfd, handle, flags);
-	return ret;
-}