dm: bio_list prefetch removal
Remove dubious prefetch from bio_list_for_each() macro.
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/md/dm-bio-list.h b/drivers/md/dm-bio-list.h
index c6be888..16ee3b0 100644
--- a/drivers/md/dm-bio-list.h
+++ b/drivers/md/dm-bio-list.h
@@ -8,7 +8,6 @@
#define DM_BIO_LIST_H
#include <linux/bio.h>
-#include <linux/prefetch.h>
struct bio_list {
struct bio *head;
@@ -31,8 +30,7 @@
}
#define bio_list_for_each(bio, bl) \
- for (bio = (bl)->head; bio && ({ prefetch(bio->bi_next); 1; }); \
- bio = bio->bi_next)
+ for (bio = (bl)->head; bio; bio = bio->bi_next)
static inline unsigned bio_list_size(const struct bio_list *bl)
{