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[SCSI] correct transport class abstraction to work outside SCSI

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I recently tried to construct a totally generic transport class and
found there were certain features missing from the current abstract
transport class.  Most notable is that you have to hang the data on the
class_device but most of the API is framed in terms of the generic
device, not the class_device.

These changes are two fold

- Provide the class_device to all of the setup and configure APIs
- Provide and extra API to take the device and the attribute class and
  return the corresponding class_device

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
James Bottomley 2005-08-14 17:09:01 -05:00 • committed by James Bottomley
parent 10c1b88987
commit d0a7e57400
6 changed files with 72 additions and 20 deletions
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9
include/linux/attribute_container.h
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@ -11,10 +11,12 @@
#include <linux/device.h>
#include <linux/list.h>
#include <linux/spinlock.h>
struct attribute_container {
struct list_head node;
struct list_head containers;
spinlock_t containers_lock;
struct class *class;
struct class_device_attribute **attrs;
int (*match)(struct attribute_container *, struct device *);
@ -62,12 +64,7 @@ int attribute_container_add_class_device_adapter(struct attribute_container *con
struct class_device *classdev);
void attribute_container_remove_attrs(struct class_device *classdev);
void attribute_container_class_device_del(struct class_device *classdev);
struct class_device *attribute_container_find_class_device(struct attribute_container *, struct device *);
struct class_device_attribute **attribute_container_classdev_to_attrs(const struct class_device *classdev);
#endif