change the return value for the write function

src/core/disk_ops/disk_stdio.c

@@ -229,11 +229,11 @@ starpu_stdio_write (void *base STARPU_ATTRIBUTE_UNUSED, void *obj, const void *b
 	int res = fseek(tmp->file, offset, SEEK_SET); 
 	STARPU_ASSERT_MSG(res == 0, "Stdio write failed");
 
-	ssize_t nb = fwrite (buf, 1, size, tmp->file);
+	fwrite (buf, 1, size, tmp->file);
 
 	STARPU_PTHREAD_MUTEX_UNLOCK(&tmp->mutex);
 
-	return nb;
+	return 0;
 }
 
 static int

src/core/disk_ops/unistd/disk_unistd_global.c

@@ -224,12 +224,12 @@ starpu_unistd_global_write (void *base STARPU_ATTRIBUTE_UNUSED, void *obj, const
 	int res = lseek(tmp->descriptor, offset, SEEK_SET); 
 	STARPU_ASSERT_MSG(res >= 0, "Starpu Disk unistd lseek for write failed: offset %lu got errno %d", (unsigned long) offset, errno);
 
-	ssize_t nb = write (tmp->descriptor, buf, size);
+	write (tmp->descriptor, buf, size);
 	STARPU_ASSERT_MSG(res >= 0, "Starpu Disk unistd write failed: size %lu got errno %d", (unsigned long) size, errno);
 
 	STARPU_PTHREAD_MUTEX_UNLOCK(&tmp->mutex);
 
-	return nb;
+	return 0;
 }
 
 

tests/disk/disk_copy.c

@@ -41,7 +41,7 @@ int main(int argc, char **argv)
 	if (ret == -ENODEV) goto enodev;
 
 	/* register a disk */
-	int new_dd = starpu_disk_register(&starpu_disk_unistd_ops, (void *) "/tmp", 1024*1024*200);
+	int new_dd = starpu_disk_register(&starpu_disk_stdio_ops, (void *) "/tmp", 1024*1024*200);
 	/* can't write on /tmp/ */
 	if (new_dd == -ENOENT) goto enoent;