static void *part_start(struct seq_file *part, loff_t *pos)
{
struct device *dev;
+ loff_t n = *pos;
+
+ if (!n)
+ seq_puts(part, "major minor #blocks name\n\n");
mutex_lock(&block_class_lock);
dev = class_find_device(&block_class, NULL, (void *)pos, find_start);
return NULL;
}
+static int find_next(struct device *dev, void *data)
+{
+ if (dev->type == &disk_type)
+ return 1;
+ return 0;
+}
+
static void *part_next(struct seq_file *part, void *v, loff_t *pos)
{
struct gendisk *gp = v;
struct device *dev;
++*pos;
- list_for_each_entry(dev, &gp->dev.node, node) {
- if (&dev->node == &block_class.devices)
- return NULL;
- if (dev->type == &disk_type)
- return dev_to_disk(dev);
- }
+ dev = class_find_device(&block_class, &gp->dev, NULL, find_next);
+ if (dev)
+ return dev_to_disk(dev);
return NULL;
}
int n;
char buf[BDEVNAME_SIZE];
- if (&sgp->dev.node == block_class.devices.next)
- seq_puts(part, "major minor #blocks name\n\n");
-
/* Don't show non-partitionable removeable devices or empty devices */
if (!get_capacity(sgp) ||
(sgp->minors == 1 && (sgp->flags & GENHD_FL_REMOVABLE)))
struct device *dev;
++*pos;
- list_for_each_entry(dev, &gp->dev.node, node) {
- if (&dev->node == &block_class.devices)
- return NULL;
- if (dev->type == &disk_type)
- return dev_to_disk(dev);
- }
+ dev = class_find_device(&block_class, &gp->dev, NULL, find_next);
+ if (dev)
+ return dev_to_disk(dev);
return NULL;
}