From cc236b9a01356d7a5586b38b0f1649dcd3f9cc2a Mon Sep 17 00:00:00 2001
From: Mike Sullivan <sullivan@austin.ibm.com>
Date: Tue, 2 Jul 2002 02:38:32 -0400
Subject: linux-2.5.22-driverfs.patch

---
 include/linux/cdrom.h | 2 ++
 include/linux/genhd.h | 4 ++++
 2 files changed, 6 insertions(+)

(limited to 'include/linux')

diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h
index b3a349fc341d..296ffe2cdfd4 100644
--- a/include/linux/cdrom.h
+++ b/include/linux/cdrom.h
@@ -716,6 +716,7 @@ struct request_sense {
 
 #ifdef __KERNEL__
 #include <linux/devfs_fs_kernel.h>
+#include <linux/device.h>
 
 struct cdrom_write_settings {
 	unsigned char fpacket;		/* fixed/variable packets */
@@ -730,6 +731,7 @@ struct cdrom_device_info {
 	struct cdrom_device_info *next; /* next device_info for this major */
 	void *handle;		        /* driver-dependent data */
 	devfs_handle_t de;		/* real driver should create this  */
+	struct device cdrom_driverfs_dev; /* driverfs implementation */
 	int number;			/* generic driver updates this  */
 /* specifications */
         kdev_t dev;	                /* device number */
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 18c981dafbf3..44a954b2c370 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -12,6 +12,7 @@
 #include <linux/config.h>
 #include <linux/types.h>
 #include <linux/major.h>
+#include <linux/device.h>
 
 enum {
 /* These three have identical behaviour; use the second one if DOS fdisk gets
@@ -62,6 +63,7 @@ struct hd_struct {
 	unsigned long nr_sects;
 	devfs_handle_t de;              /* primary (master) devfs entry  */
 	int number;                     /* stupid old code wastes space  */
+	struct device hd_driverfs_dev;  /* support driverfs hiearchy     */
 };
 
 #define GENHD_FL_REMOVABLE  1
@@ -80,6 +82,7 @@ struct gendisk {
 	struct block_device_operations *fops;
 
 	devfs_handle_t *de_arr;         /* one per physical disc */
+	struct device **driverfs_dev_arr;/* support driverfs hierarchy */
 	char *flags;                    /* one per physical disc */
 };
 
@@ -241,6 +244,7 @@ char *disk_name (struct gendisk *hd, int minor, char *buf);
 
 extern void devfs_register_partitions (struct gendisk *dev, int minor,
 				       int unregister);
+extern void driverfs_remove_partitions (struct gendisk *hd, int minor);
 
 static inline unsigned int disk_index (kdev_t dev)
 {
-- 
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