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- #include <linux/module.h>
- #include <errno.h>
- #include <linux/kerneld.h>
-
- /*
- * Test persistent module storage by doing:
- *
- * insmod ./check_persist.o value=1
- */
-
- #define Key "you can use any string as a key"
-
- /* You can use _anything_ as a value as long as you know its size! */
- static int value;
-
- int
- init_module(void)
- {
- int oldval;
-
- if (get_persist(Key, (void *)&oldval, sizeof(int)) > 0)
- printk("found old value: %d\n", oldval);
- else
- printk("no old value\n");
-
- if (set_persist(Key, (void *)&value, sizeof(int)) < 0)
- printk("set_persist failed\n");
- else
- printk("new value: %d\n", value);
-
- return -EBUSY;
- }
-
- void
- cleanup_module(void)
- {
- }
-