while (nbytes > 0) {
unsigned long io;
- __simc(SYS_lseek, dev->fd, offset, SEEK_SET, 0, 0);
+ simc_lseek(dev->fd, offset, SEEK_SET);
if (write)
io = simc_write(dev->fd, buffer, nbytes);
else
return 0;
}
-static int simdisk_release(struct gendisk *disk, fmode_t mode)
+static void simdisk_release(struct gendisk *disk, fmode_t mode)
{
struct simdisk *dev = disk->private_data;
spin_lock(&dev->lock);
--dev->users;
spin_unlock(&dev->lock);
- return 0;
}
static const struct block_device_operations simdisk_ops = {
err = -ENODEV;
goto out;
}
- dev->size = __simc(SYS_lseek, dev->fd, 0, SEEK_END, 0, 0);
+ dev->size = simc_lseek(dev->fd, 0, SEEK_END);
set_capacity(dev->gd, dev->size >> SECTOR_SHIFT);
dev->filename = filename;
pr_info("SIMDISK: %s=%s\n", dev->gd->disk_name, dev->filename);
size_t size, loff_t *ppos)
{
struct simdisk *dev = PDE_DATA(file_inode(file));
- char *s = dev->filename;
+ const char *s = dev->filename;
if (s) {
ssize_t n = simple_read_from_buffer(buf, size, ppos,
s, strlen(s));
}
static ssize_t proc_write_simdisk(struct file *file, const char __user *buf,
- size_t size, loff_t *ppos)
+ size_t count, loff_t *ppos)
{
char *tmp = kmalloc(count + 1, GFP_KERNEL);
struct simdisk *dev = PDE_DATA(file_inode(file));
if (tmp == NULL)
return -ENOMEM;
- if (copy_from_user(tmp, buffer, count)) {
+ if (copy_from_user(tmp, buf, count)) {
err = -EFAULT;
goto out_free;
}