aboutsummaryrefslogtreecommitdiff
path: root/include/linux/blkdev.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ec0357d8c4a..f3f7879391a 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -860,8 +860,13 @@ extern void blk_put_queue(struct request_queue *);
struct blk_plug {
unsigned long magic;
struct list_head list;
+ struct list_head cb_list;
unsigned int should_sort;
};
+struct blk_plug_cb {
+ struct list_head list;
+ void (*callback)(struct blk_plug_cb *);
+};
extern void blk_start_plug(struct blk_plug *);
extern void blk_finish_plug(struct blk_plug *);
@@ -887,7 +892,7 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk)
{
struct blk_plug *plug = tsk->plug;
- return plug && !list_empty(&plug->list);
+ return plug && (!list_empty(&plug->list) || !list_empty(&plug->cb_list));
}
/*