#include <linux/usbdevice_fs.h>
#include <linux/smp_lock.h>
#include <linux/parser.h>
+#include <linux/notifier.h>
#include <asm/byteorder.h>
#include "usb.h"
#include "hcd.h"
static struct super_operations usbfs_ops;
static struct file_operations default_file_operations;
-static struct inode_operations usbfs_dir_inode_operations;
static struct vfsmount *usbfs_mount;
static int usbfs_mount_count; /* = 0 */
static int ignore_mount = 0;
inode->i_fop = &default_file_operations;
break;
case S_IFDIR:
- inode->i_op = &usbfs_dir_inode_operations;
+ inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
/* directory inodes start off with i_nlink == 2 (for "." entry) */
.llseek = default_file_lseek,
};
-static struct inode_operations usbfs_dir_inode_operations = {
- .lookup = simple_lookup,
-};
-
static struct super_operations usbfs_ops = {
.statfs = simple_statfs,
.drop_inode = generic_delete_inode,
}
}
-void usbfs_add_bus(struct usb_bus *bus)
+static void usbfs_add_bus(struct usb_bus *bus)
{
struct dentry *parent;
char name[8];
err ("error creating usbfs bus entry");
return;
}
-
- usbfs_update_special();
- usbfs_conn_disc_event();
}
-void usbfs_remove_bus(struct usb_bus *bus)
+static void usbfs_remove_bus(struct usb_bus *bus)
{
if (bus->usbfs_dentry) {
fs_remove_file (bus->usbfs_dentry);
remove_special_files();
num_buses = 0;
}
-
- usbfs_update_special();
- usbfs_conn_disc_event();
}
-void usbfs_add_device(struct usb_device *dev)
+static void usbfs_add_device(struct usb_device *dev)
{
char name[8];
int i;
}
if (dev->usbfs_dentry->d_inode)
dev->usbfs_dentry->d_inode->i_size = i_size;
-
- usbfs_update_special();
- usbfs_conn_disc_event();
}
-void usbfs_remove_device(struct usb_device *dev)
+static void usbfs_remove_device(struct usb_device *dev)
{
struct dev_state *ds;
struct siginfo sinfo;
kill_proc_info_as_uid(ds->discsignr, &sinfo, ds->disc_pid, ds->disc_uid, ds->disc_euid);
}
}
+}
+
+static int usbfs_notify(struct notifier_block *self, unsigned long action, void *dev)
+{
+ switch (action) {
+ case USB_DEVICE_ADD:
+ usbfs_add_device(dev);
+ break;
+ case USB_DEVICE_REMOVE:
+ usbfs_remove_device(dev);
+ break;
+ case USB_BUS_ADD:
+ usbfs_add_bus(dev);
+ break;
+ case USB_BUS_REMOVE:
+ usbfs_remove_bus(dev);
+ }
+
usbfs_update_special();
usbfs_conn_disc_event();
+ return NOTIFY_OK;
}
+static struct notifier_block usbfs_nb = {
+ .notifier_call = usbfs_notify,
+};
+
/* --------------------------------------------------------------------- */
static struct proc_dir_entry *usbdir = NULL;
if (retval)
return retval;
+ usb_register_notify(&usbfs_nb);
+
/* create mount point for usbfs */
usbdir = proc_mkdir("usb", proc_bus);
void usbfs_cleanup(void)
{
+ usb_unregister_notify(&usbfs_nb);
unregister_filesystem(&usb_fs_type);
if (usbdir)
remove_proc_entry("usb", proc_bus);