When stacked block devices are in-use (e.g. md or dm), the recursive calls

[deliverable/linux.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 17b72d88c4cb4c048f1f24e3d5b8f1e6b28b6529..e38c436ee12b3fa710ecdf94c69d12b2beeceba4 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -88,6 +88,7 @@ struct sched_param {
 
 struct exec_domain;
 struct futex_pi_state;
+struct bio;
 
 /*
  * List of flags we want to share for kernel threads,
@@ -1014,6 +1015,9 @@ struct task_struct {
 /* journalling filesystem info */
        void *journal_info;
 
+/* stacked block device info */
+       struct bio *bio_list, **bio_tail;
+
 /* VM state */
        struct reclaim_state *reclaim_state;