X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fscsi%2Fraid_class.c;h=8e5c169b03fb47e5b9439765f5d7091252fc8a5b;hb=efa593390e70b0e3c39f6b2dca8876b6b1461e41;hp=327b33a57b0a1b865ce5c55e91f9c312f2e3d1ec;hpb=6391a11375de5e2bb1eb8481e54619761dc65d9f;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/scsi/raid_class.c b/drivers/scsi/raid_class.c index 327b33a..8e5c169 100644 --- a/drivers/scsi/raid_class.c +++ b/drivers/scsi/raid_class.c @@ -24,15 +24,15 @@ struct raid_internal { struct raid_template r; struct raid_function_template *f; /* The actual attributes */ - struct class_device_attribute private_attrs[RAID_NUM_ATTRS]; + struct device_attribute private_attrs[RAID_NUM_ATTRS]; /* The array of null terminated pointers to attributes * needed by scsi_sysfs.c */ - struct class_device_attribute *attrs[RAID_NUM_ATTRS + 1]; + struct device_attribute *attrs[RAID_NUM_ATTRS + 1]; }; struct raid_component { struct list_head node; - struct class_device cdev; + struct device dev; int num; }; @@ -50,9 +50,9 @@ struct raid_component { tc_to_raid_internal(tc); \ }) -#define class_device_to_raid_internal(cdev) ({ \ +#define device_to_raid_internal(dev) ({ \ struct attribute_container *ac = \ - attribute_container_classdev_to_container(cdev); \ + attribute_container_classdev_to_container(dev); \ ac_to_raid_internal(ac); \ }) @@ -76,33 +76,33 @@ static int raid_match(struct attribute_container *cont, struct device *dev) } static int raid_setup(struct transport_container *tc, struct device *dev, - struct class_device *cdev) + struct device *cdev) { struct raid_data *rd; - BUG_ON(class_get_devdata(cdev)); + BUG_ON(dev_get_drvdata(cdev)); rd = kzalloc(sizeof(*rd), GFP_KERNEL); if (!rd) return -ENOMEM; INIT_LIST_HEAD(&rd->component_list); - class_set_devdata(cdev, rd); + dev_set_drvdata(cdev, rd); return 0; } static int raid_remove(struct transport_container *tc, struct device *dev, - struct class_device *cdev) + struct device *cdev) { - struct raid_data *rd = class_get_devdata(cdev); + struct raid_data *rd = dev_get_drvdata(cdev); struct raid_component *rc, *next; dev_printk(KERN_ERR, dev, "RAID REMOVE\n"); - class_set_devdata(cdev, NULL); + dev_set_drvdata(cdev, NULL); list_for_each_entry_safe(rc, next, &rd->component_list, node) { list_del(&rc->node); - dev_printk(KERN_ERR, rc->cdev.dev, "RAID COMPONENT REMOVE\n"); - class_device_unregister(&rc->cdev); + dev_printk(KERN_ERR, rc->dev.parent, "RAID COMPONENT REMOVE\n"); + device_unregister(&rc->dev); } dev_printk(KERN_ERR, dev, "RAID REMOVE DONE\n"); kfree(rd); @@ -171,9 +171,11 @@ static const char *raid_level_name(enum raid_level level) } #define raid_attr_show_internal(attr, fmt, var, code) \ -static ssize_t raid_show_##attr(struct class_device *cdev, char *buf) \ +static ssize_t raid_show_##attr(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ { \ - struct raid_data *rd = class_get_devdata(cdev); \ + struct raid_data *rd = dev_get_drvdata(dev); \ code \ return snprintf(buf, 20, #fmt "\n", var); \ } @@ -184,17 +186,17 @@ raid_attr_show_internal(attr, %s, name, \ code \ name = raid_##states##_name(rd->attr); \ ) \ -static CLASS_DEVICE_ATTR(attr, S_IRUGO, raid_show_##attr, NULL) +static DEVICE_ATTR(attr, S_IRUGO, raid_show_##attr, NULL) #define raid_attr_ro_internal(attr, code) \ raid_attr_show_internal(attr, %d, rd->attr, code) \ -static CLASS_DEVICE_ATTR(attr, S_IRUGO, raid_show_##attr, NULL) +static DEVICE_ATTR(attr, S_IRUGO, raid_show_##attr, NULL) #define ATTR_CODE(attr) \ - struct raid_internal *i = class_device_to_raid_internal(cdev); \ + struct raid_internal *i = device_to_raid_internal(dev); \ if (i->f->get_##attr) \ - i->f->get_##attr(cdev->dev); + i->f->get_##attr(dev->parent); #define raid_attr_ro(attr) raid_attr_ro_internal(attr, ) #define raid_attr_ro_fn(attr) raid_attr_ro_internal(attr, ATTR_CODE(attr)) @@ -206,40 +208,50 @@ raid_attr_ro_state(level); raid_attr_ro_fn(resync); raid_attr_ro_state_fn(state); -static void raid_component_release(struct class_device *cdev) +static void raid_component_release(struct device *dev) { - struct raid_component *rc = container_of(cdev, struct raid_component, - cdev); - dev_printk(KERN_ERR, rc->cdev.dev, "COMPONENT RELEASE\n"); - put_device(rc->cdev.dev); + struct raid_component *rc = + container_of(dev, struct raid_component, dev); + dev_printk(KERN_ERR, rc->dev.parent, "COMPONENT RELEASE\n"); + put_device(rc->dev.parent); kfree(rc); } -void raid_component_add(struct raid_template *r,struct device *raid_dev, - struct device *component_dev) +int raid_component_add(struct raid_template *r,struct device *raid_dev, + struct device *component_dev) { - struct class_device *cdev = + struct device *cdev = attribute_container_find_class_device(&r->raid_attrs.ac, raid_dev); struct raid_component *rc; - struct raid_data *rd = class_get_devdata(cdev); + struct raid_data *rd = dev_get_drvdata(cdev); + int err; rc = kzalloc(sizeof(*rc), GFP_KERNEL); if (!rc) - return; + return -ENOMEM; INIT_LIST_HEAD(&rc->node); - class_device_initialize(&rc->cdev); - rc->cdev.release = raid_component_release; - rc->cdev.dev = get_device(component_dev); + device_initialize(&rc->dev); + rc->dev.release = raid_component_release; + rc->dev.parent = get_device(component_dev); rc->num = rd->component_count++; - snprintf(rc->cdev.class_id, sizeof(rc->cdev.class_id), - "component-%d", rc->num); + dev_set_name(&rc->dev, "component-%d", rc->num); list_add_tail(&rc->node, &rd->component_list); - rc->cdev.parent = cdev; - rc->cdev.class = &raid_class.class; - class_device_add(&rc->cdev); + rc->dev.class = &raid_class.class; + err = device_add(&rc->dev); + if (err) + goto err_out; + + return 0; + +err_out: + list_del(&rc->node); + rd->component_count--; + put_device(component_dev); + kfree(rc); + return err; } EXPORT_SYMBOL(raid_component_add); @@ -261,9 +273,9 @@ raid_class_attach(struct raid_function_template *ft) attribute_container_register(&i->r.raid_attrs.ac); - i->attrs[count++] = &class_device_attr_level; - i->attrs[count++] = &class_device_attr_resync; - i->attrs[count++] = &class_device_attr_state; + i->attrs[count++] = &dev_attr_level; + i->attrs[count++] = &dev_attr_resync; + i->attrs[count++] = &dev_attr_state; i->attrs[count] = NULL; BUG_ON(count > RAID_NUM_ATTRS); @@ -277,7 +289,7 @@ raid_class_release(struct raid_template *r) { struct raid_internal *i = to_raid_internal(r); - attribute_container_unregister(&i->r.raid_attrs.ac); + BUG_ON(attribute_container_unregister(&i->r.raid_attrs.ac)); kfree(i); }