===================================================================
@@ -6,6 +6,7 @@
* This file is released under the GPL.
*/
#include <linux/bio.h>
+#include <linux/biotrack.h>
#include "dm.h"
#include "dm-ioband.h"
@@ -52,14 +53,7 @@ static int ioband_node(struct bio *bio)
static int ioband_cgroup(struct bio *bio)
{
- /*
- * This function should return the ID of the cgroup which
- * issued "bio". The ID of the cgroup which the current
- * process belongs to won't be suitable ID for this purpose,
- * since some BIOs will be handled by kernel threads like aio
- * or pdflush on behalf of the process requesting the BIOs.
- */
- return 0; /* not implemented yet */
+ return get_blkio_cgroup_id(bio);
}
struct group_type dm_ioband_group_type[] = {