#include <linux/fs.h>
#include <linux/module.h>
#include <linux/blkdev.h>
+#include <linux/smp_lock.h>
#include <linux/interrupt.h>
#include <linux/buffer_head.h>
#include <linux/kernel.h>
struct tape_device * device;
int rc;
+ lock_kernel();
device = tape_get_device(disk->private_data);
if (device->required_tapemarks) {
* is called.
*/
tape_state_set(device, TS_BLKUSE);
+ unlock_kernel();
return 0;
release:
tape_release(device);
put_device:
tape_put_device(device);
+ unlock_kernel();
return rc;
}
tapeblock_release(struct gendisk *disk, fmode_t mode)
{
struct tape_device *device = disk->private_data;
-
+
+ lock_kernel();
tape_state_set(device, TS_IN_USE);
tape_release(device);
tape_put_device(device);
+ unlock_kernel();
return 0;
}