libceph: move init_bio_*() functions up

Move init_bio_iter() and iter_bio_next() up in their source file so
the'll be defined before they're needed.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 5354d59ba8b94305d0c3afbbb2adf9b1280d8d50..7b5ff4545bf3c73b00bd49fc9b46fcc01a276975 100644 (file)
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -565,6 +565,31 @@ static void con_out_kvec_add(struct ceph_connection *con,
        con->out_kvec_bytes += size;
 }
 
+#ifdef CONFIG_BLOCK
+static void init_bio_iter(struct bio *bio, struct bio **iter, int *seg)
+{
+       if (!bio) {
+               *iter = NULL;
+               *seg = 0;
+               return;
+       }
+       *iter = bio;
+       *seg = bio->bi_idx;
+}
+
+static void iter_bio_next(struct bio **bio_iter, int *seg)
+{
+       if (*bio_iter == NULL)
+               return;
+
+       BUG_ON(*seg >= (*bio_iter)->bi_vcnt);
+
+       (*seg)++;
+       if (*seg == (*bio_iter)->bi_vcnt)
+               init_bio_iter((*bio_iter)->bi_next, bio_iter, seg);
+}
+#endif
+
 static void prepare_write_message_data(struct ceph_connection *con)
 {
        struct ceph_msg *msg = con->out_msg;
@@ -868,31 +893,6 @@ out:
        return ret;  /* done! */
 }
 
-#ifdef CONFIG_BLOCK
-static void init_bio_iter(struct bio *bio, struct bio **iter, int *seg)
-{
-       if (!bio) {
-               *iter = NULL;
-               *seg = 0;
-               return;
-       }
-       *iter = bio;
-       *seg = bio->bi_idx;
-}
-
-static void iter_bio_next(struct bio **bio_iter, int *seg)
-{
-       if (*bio_iter == NULL)
-               return;
-
-       BUG_ON(*seg >= (*bio_iter)->bi_vcnt);
-
-       (*seg)++;
-       if (*seg == (*bio_iter)->bi_vcnt)
-               init_bio_iter((*bio_iter)->bi_next, bio_iter, seg);
-}
-#endif
-
 static void out_msg_pos_next(struct ceph_connection *con, struct page *page,
                        size_t len, size_t sent, bool in_trail)
 {