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[PATCH] klist: fix klist to have the same klist_add semantics as list_head

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at the moment, the list_head semantics are

list_add(node, head)

whereas current klist semantics are

klist_add(head, node)

This is bound to cause confusion, and since klist is the newcomer, it
should follow the list_head semantics.

I also added missing include guards to klist.h

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
James Bottomley 2005-08-19 09:14:01 -04:00 committed by Greg Kroah-Hartman
parent fef6ec8dd9
commit d856f1e337
5 changed files with 14 additions and 10 deletions
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4
drivers/base/bus.c
View file

@ -360,7 +360,7 @@ int bus_add_device(struct device * dev)
if (bus) {
pr_debug("bus %s: add device %s\n", bus->name, dev->bus_id);
device_attach(dev);
klist_add_tail(&bus->klist_devices, &dev->knode_bus);
klist_add_tail(&dev->knode_bus, &bus->klist_devices);
error = device_add_attrs(bus, dev);
if (!error) {
sysfs_create_link(&bus->devices.kobj, &dev->kobj, dev->bus_id);
@ -448,7 +448,7 @@ int bus_add_driver(struct device_driver * drv)
}
driver_attach(drv);
klist_add_tail(&bus->klist_drivers, &drv->knode_bus);
klist_add_tail(&drv->knode_bus, &bus->klist_drivers);
module_add_driver(drv->owner, drv);
driver_add_attrs(bus, drv);

2
drivers/base/core.c
View file

@ -249,7 +249,7 @@ int device_add(struct device *dev)
if ((error = bus_add_device(dev)))
goto BusError;
if (parent)
klist_add_tail(&parent->klist_children, &dev->knode_parent);
klist_add_tail(&dev->knode_parent, &parent->klist_children);
/* notify platform of device entry */
if (platform_notify)

2
drivers/base/dd.c
View file

@ -42,7 +42,7 @@ void device_bind_driver(struct device * dev)
{
pr_debug("bound device '%s' to driver '%s'\n",
dev->bus_id, dev->driver->name);
klist_add_tail(&dev->driver->klist_devices, &dev->knode_driver);
klist_add_tail(&dev->knode_driver, &dev->driver->klist_devices);
sysfs_create_link(&dev->driver->kobj, &dev->kobj,
kobject_name(&dev->kobj));
sysfs_create_link(&dev->kobj, &dev->driver->kobj, "driver");

8
include/linux/klist.h
View file

@ -9,6 +9,9 @@
* This file is rleased under the GPL v2.
*/
#ifndef _LINUX_KLIST_H
#define _LINUX_KLIST_H
#include <linux/spinlock.h>
#include <linux/completion.h>
#include <linux/kref.h>
@ -31,8 +34,8 @@ struct klist_node {
struct completion n_removed;
};
extern void klist_add_tail(struct klist * k, struct klist_node * n);
extern void klist_add_head(struct klist * k, struct klist_node * n);
extern void klist_add_tail(struct klist_node * n, struct klist * k);
extern void klist_add_head(struct klist_node * n, struct klist * k);
extern void klist_del(struct klist_node * n);
extern void klist_remove(struct klist_node * n);
@ -53,3 +56,4 @@ extern void klist_iter_init_node(struct klist * k, struct klist_iter * i,
extern void klist_iter_exit(struct klist_iter * i);
extern struct klist_node * klist_next(struct klist_iter * i);
#endif

8
lib/klist.c
View file

@ -79,11 +79,11 @@ static void klist_node_init(struct klist * k, struct klist_node * n)
/**
* klist_add_head - Initialize a klist_node and add it to front.
* @k: klist it's going on.
* @n: node we're adding.
* @k: klist it's going on.
*/
void klist_add_head(struct klist * k, struct klist_node * n)
void klist_add_head(struct klist_node * n, struct klist * k)
{
klist_node_init(k, n);
add_head(k, n);
@ -94,11 +94,11 @@ EXPORT_SYMBOL_GPL(klist_add_head);
/**
* klist_add_tail - Initialize a klist_node and add it to back.
* @k: klist it's going on.
* @n: node we're adding.
* @k: klist it's going on.
*/
void klist_add_tail(struct klist * k, struct klist_node * n)
void klist_add_tail(struct klist_node * n, struct klist * k)
{
klist_node_init(k, n);
add_tail(k, n);