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authorAlex Elder <elder@inktank.com>2013-03-12 08:34:23 +0400
committerSage Weil <sage@inktank.com>2013-05-02 08:17:26 +0400
commit6518be47f910f62a98cb6044dbb457af55241f95 (patch)
tree6d1244367ec16ee602b44573a7b84646d416214a /net/ceph/messenger.c
parent463207aa40cf2cadcae84866b3f85ccaa7022ee8 (diff)
downloadlinux-6518be47f910f62a98cb6044dbb457af55241f95.tar.xz
libceph: kill ceph message bio_iter, bio_seg
The bio_iter and bio_seg fields in a message are no longer used, we use the cursor instead. So get rid of them and the functions that operate on them them. This is related to: http://tracker.ceph.com/issues/4428 Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'net/ceph/messenger.c')
-rw-r--r--net/ceph/messenger.c31
1 files changed, 0 insertions, 31 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index c795d46d7d4b..b634d2098777 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -716,29 +716,6 @@ static void con_out_kvec_add(struct ceph_connection *con,
}
#ifdef CONFIG_BLOCK
-static void init_bio_iter(struct bio *bio, struct bio **bio_iter,
- unsigned int *bio_seg)
-{
- if (!bio) {
- *bio_iter = NULL;
- *bio_seg = 0;
- return;
- }
- *bio_iter = bio;
- *bio_seg = (unsigned int) bio->bi_idx;
-}
-
-static void iter_bio_next(struct bio **bio_iter, unsigned 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);
-}
/*
* For a bio data item, a piece is whatever remains of the next
@@ -1112,10 +1089,6 @@ static void prepare_message_data(struct ceph_msg *msg,
msg_pos->page_pos = msg->p.alignment;
else
msg_pos->page_pos = 0;
-#ifdef CONFIG_BLOCK
- if (ceph_msg_has_bio(msg))
- init_bio_iter(msg->b.bio, &msg->b.bio_iter, &msg->b.bio_seg);
-#endif
msg_pos->data_pos = 0;
/* Initialize data cursors */
@@ -1478,10 +1451,6 @@ static void in_msg_pos_next(struct ceph_connection *con, size_t len,
BUG_ON(received != len);
msg_pos->page_pos = 0;
msg_pos->page++;
-#ifdef CONFIG_BLOCK
- if (msg->b.bio)
- iter_bio_next(&msg->b.bio_iter, &msg->b.bio_seg);
-#endif /* CONFIG_BLOCK */
}
static u32 ceph_crc32c_page(u32 crc, struct page *page,