Get rid of DEVICE_TYPE_FS usage

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

fs/cramfs/cramfs.c

@@ -455,7 +455,6 @@ static struct fs_driver_d cramfs_driver = {
 	.closedir	= cramfs_closedir,
 	.stat		= cramfs_stat,
 	.drv = {
-		.type = DEVICE_TYPE_FS,
 		.probe = cramfs_probe,
 		.remove = cramfs_remove,
 		.name = "cramfs",
@@ -465,7 +464,7 @@ static struct fs_driver_d cramfs_driver = {
 
 static int cramfs_init(void)
 {
-	return register_driver(&cramfs_driver.drv);
+	return register_fs_driver(&cramfs_driver);
 }
 
 device_initcall(cramfs_init);

fs/devfs.c

@@ -264,7 +264,6 @@ static struct fs_driver_d devfs_driver = {
 	.memmap    = devfs_memmap,
 	.flags     = FS_DRIVER_NO_DEV,
 	.drv = {
-		.type   = DEVICE_TYPE_FS,
 		.probe  = devfs_probe,
 		.remove = devfs_delete,
 		.name = "devfs",
@@ -274,7 +273,7 @@ static struct fs_driver_d devfs_driver = {
 
 static int devfs_init(void)
 {
-	return register_driver(&devfs_driver.drv);
+	return register_fs_driver(&devfs_driver);
 }
 
 device_initcall(devfs_init);

fs/fs.c

@@ -635,6 +635,16 @@ int close(int fd)
 }
 EXPORT_SYMBOL(close);
 
+static LIST_HEAD(fs_driver_list);
+
+int register_fs_driver(struct fs_driver_d *fsdrv)
+{
+	list_add_tail(&fsdrv->list, &fs_driver_list);
+	register_driver(&fsdrv->drv);
+	return 0;
+}
+EXPORT_SYMBOL(register_fs_driver);
+
 /*
  * Mount a device to a directory.
  * We do this by registering a new device on which the filesystem
@@ -643,8 +653,7 @@ EXPORT_SYMBOL(close);
  */
 int mount(const char *device, const char *fsname, const char *_path)
 {
-	struct driver_d *drv;
-	struct fs_driver_d *fs_drv;
+	struct fs_driver_d *fs_drv = NULL, *f;
 	struct mtab_entry *entry;
 	struct fs_device_d *fsdev;
 	struct device_d *dev, *parent_device = NULL;
@@ -666,13 +675,14 @@ int mount(const char *device, const char *fsname, const char *_path)
 		goto out;
 	}
 
-	drv = get_driver_by_name(fsname);
-	if (!drv) {
-		errno = -ENODEV;
-		goto out;
+	list_for_each_entry(f, &fs_driver_list, list) {
+		if (!strcmp(f->drv.name, fsname)) {
+			fs_drv = f;
+			break;
+		}
 	}
 
-	if (drv->type != DEVICE_TYPE_FS) {
+	if (!fs_drv) {
 		errno = -EINVAL;
 		goto out;
 	}
@@ -688,8 +698,6 @@ int mount(const char *device, const char *fsname, const char *_path)
 		}
 	}
 
-	fs_drv = drv->type_data;
-
 	if (!fs_drv->flags & FS_DRIVER_NO_DEV) {
 		parent_device = get_device_by_id(device + 5);
 		if (!parent_device) {
@@ -701,7 +709,6 @@ int mount(const char *device, const char *fsname, const char *_path)
 	fsdev = xzalloc(sizeof(struct fs_device_d));
 	fsdev->parent = parent_device;
 	sprintf(fsdev->dev.name, "%s", fsname);
-	fsdev->dev.type = DEVICE_TYPE_FS;
 	fsdev->dev.type_data = fsdev;
 
 	if ((ret = register_device(&fsdev->dev))) {

fs/ramfs.c

@@ -560,7 +560,6 @@ static struct fs_driver_d ramfs_driver = {
 	.stat      = ramfs_stat,
 	.flags     = FS_DRIVER_NO_DEV,
 	.drv = {
-		.type   = DEVICE_TYPE_FS,
 		.probe  = ramfs_probe,
 		.remove = ramfs_remove,
 		.name = "ramfs",
@@ -570,7 +569,7 @@ static struct fs_driver_d ramfs_driver = {
 
 static int ramfs_init(void)
 {
-	return register_driver(&ramfs_driver.drv);
+	return register_fs_driver(&ramfs_driver);
 }
 
 device_initcall(ramfs_init);

include/fs.h

@@ -76,6 +76,8 @@ struct fs_driver_d {
 	struct driver_d drv;
 
 	unsigned long flags;
+
+	struct list_head list;
 };
 
 struct mtab_entry {
@@ -166,4 +168,7 @@ void *read_file(const char *filename, size_t *size);
  */
 char *normalise_path(const char *path);
 
+/* Register a new filesystem driver */
+int register_fs_driver(struct fs_driver_d *fsdrv);
+
 #endif /* __FS_H */

lib/driver.c

@@ -271,10 +271,6 @@ static int do_devinfo_subtree(struct device_d *dev, int depth, char edge)
 
 	if (*dev->id)
 		printf("%c----%s\n", edge, dev->id);
-	else if (dev->type == DEVICE_TYPE_FS)
-		printf("%c----filesystem: %s\n", edge,
-				fsdev_get_mountpoint((struct fs_device_d *)
-					dev->type_data));
 
 	if (!list_empty(&dev->children)) {
 		device_for_each_child(dev, child) {