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fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git]
/
drivers
/
md
/
dm-bio-list.h
diff --git
a/drivers/md/dm-bio-list.h
b/drivers/md/dm-bio-list.h
index
bbf4615
..
da43496
100644
(file)
--- a/
drivers/md/dm-bio-list.h
+++ b/
drivers/md/dm-bio-list.h
@@
-44,6
+44,20
@@
static inline void bio_list_merge(struct bio_list *bl, struct bio_list *bl2)
bl->tail = bl2->tail;
}
bl->tail = bl2->tail;
}
+static inline void bio_list_merge_head(struct bio_list *bl,
+ struct bio_list *bl2)
+{
+ if (!bl2->head)
+ return;
+
+ if (bl->head)
+ bl2->tail->bi_next = bl->head;
+ else
+ bl->tail = bl2->tail;
+
+ bl->head = bl2->head;
+}
+
static inline struct bio *bio_list_pop(struct bio_list *bl)
{
struct bio *bio = bl->head;
static inline struct bio *bio_list_pop(struct bio_list *bl)
{
struct bio *bio = bl->head;