#include <linux/pagemap.h>
#include <linux/slab.h>
#include <linux/kernel.h>
+#include <linux/sched.h>
static const struct file_operations fuse_direct_io_file_operations;
ssize_t res;
/* Don't allow parallel writes to the same file */
mutex_lock(&inode->i_mutex);
- res = fuse_direct_io(file, buf, count, ppos, 1);
+ res = generic_write_checks(file, ppos, &count, 0);
+ if (!res)
+ res = fuse_direct_io(file, buf, count, ppos, 1);
mutex_unlock(&inode->i_mutex);
return res;
}