*/
static int ramdisk_set_page_dirty(struct page *page)
{
- SetPageDirty(page);
+ if (!TestSetPageDirty(page))
+ return 1;
return 0;
}
* cache
*/
error = -EBUSY;
- down(&bdev->bd_sem);
+ mutex_lock(&bdev->bd_mutex);
if (bdev->bd_openers <= 2) {
truncate_inode_pages(bdev->bd_inode->i_mapping, 0);
error = 0;
}
- up(&bdev->bd_sem);
+ mutex_unlock(&bdev->bd_mutex);
return error;
}