#define DM_BIO_LIST_H
#include <linux/bio.h>
-#include <linux/prefetch.h>
+
+#ifdef CONFIG_BLOCK
struct bio_list {
struct bio *head;
return bl->head == NULL;
}
-#define BIO_LIST_INIT { .head = NULL, .tail = NULL }
-
-#define BIO_LIST(bl) \
- struct bio_list bl = BIO_LIST_INIT
-
static inline void bio_list_init(struct bio_list *bl)
{
bl->head = bl->tail = NULL;
}
#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)
{
return bio;
}
+#endif /* CONFIG_BLOCK */
#endif