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libceph: move init_bio_*() functions up

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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>
This commit is contained in:
Alex Elder 2012-06-11 14:57:13 -05:00 committed by Sage Weil
parent fd154f3c75
commit df6ad1f973
1 changed files with 25 additions and 25 deletions
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50
net/ceph/messenger.c
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@ -565,6 +565,31 @@ static void con_out_kvec_add(struct ceph_connection *con,
con->out_kvec_bytes += size; 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) static void prepare_write_message_data(struct ceph_connection *con)
{ {
struct ceph_msg *msg = con->out_msg; struct ceph_msg *msg = con->out_msg;
@ -868,31 +893,6 @@ static int write_partial_kvec(struct ceph_connection *con)
return ret; /* done! */ 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, static void out_msg_pos_next(struct ceph_connection *con, struct page *page,
size_t len, size_t sent, bool in_trail) size_t len, size_t sent, bool in_trail)
{ {