diff options
Diffstat (limited to 'drivers/md/dm-bio-list.h')
| -rw-r--r-- | drivers/md/dm-bio-list.h | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/drivers/md/dm-bio-list.h b/drivers/md/dm-bio-list.h deleted file mode 100644 index bbf4615f0e3..00000000000 --- a/drivers/md/dm-bio-list.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright (C) 2004 Red Hat UK Ltd. - * - * This file is released under the GPL. - */ - -#ifndef DM_BIO_LIST_H -#define DM_BIO_LIST_H - -#include <linux/bio.h> - -struct bio_list { - struct bio *head; - struct bio *tail; -}; - -static inline void bio_list_init(struct bio_list *bl) -{ - bl->head = bl->tail = NULL; -} - -static inline void bio_list_add(struct bio_list *bl, struct bio *bio) -{ - bio->bi_next = NULL; - - if (bl->tail) - bl->tail->bi_next = bio; - else - bl->head = bio; - - bl->tail = bio; -} - -static inline void bio_list_merge(struct bio_list *bl, struct bio_list *bl2) -{ - if (!bl2->head) - return; - - if (bl->tail) - bl->tail->bi_next = bl2->head; - else - bl->head = bl2->head; - - bl->tail = bl2->tail; -} - -static inline struct bio *bio_list_pop(struct bio_list *bl) -{ - struct bio *bio = bl->head; - - if (bio) { - bl->head = bl->head->bi_next; - if (!bl->head) - bl->tail = NULL; - - bio->bi_next = NULL; - } - - return bio; -} - -static inline struct bio *bio_list_get(struct bio_list *bl) -{ - struct bio *bio = bl->head; - - bl->head = bl->tail = NULL; - - return bio; -} - -#endif |
