@@ -522,7 +522,7 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
if (be32_to_cpu(rm->m_inc.i_hdr.h_len) == 0)
i = 1;
else
- i = ceil(be32_to_cpu(rm->m_inc.i_hdr.h_len), RDS_FRAG_SIZE);
+ i = DIV_ROUND_UP(be32_to_cpu(rm->m_inc.i_hdr.h_len), RDS_FRAG_SIZE);
work_alloc = rds_ib_ring_alloc(&ic->i_send_ring, i, &pos);
if (work_alloc == 0) {
@@ -879,7 +879,7 @@ int rds_ib_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op)
* Instead of knowing how to return a partial rdma read/write we insist that there
* be enough work requests to send the entire message.
*/
- i = ceil(op->op_count, max_sge);
+ i = DIV_ROUND_UP(op->op_count, max_sge);
work_alloc = rds_ib_ring_alloc(&ic->i_send_ring, i, &pos);
if (work_alloc != i) {
@@ -330,7 +330,7 @@ struct rds_message *rds_message_map_pages(unsigned long *page_addrs, unsigned in
{
struct rds_message *rm;
unsigned int i;
- int num_sgs = ceil(total_len, PAGE_SIZE);
+ int num_sgs = DIV_ROUND_UP(total_len, PAGE_SIZE);
int extra_bytes = num_sgs * sizeof(struct scatterlist);
rm = rds_message_alloc(extra_bytes, GFP_NOWAIT);
@@ -339,7 +339,7 @@ struct rds_message *rds_message_map_pages(unsigned long *page_addrs, unsigned in
set_bit(RDS_MSG_PAGEVEC, &rm->m_flags);
rm->m_inc.i_hdr.h_len = cpu_to_be32(total_len);
- rm->data.op_nents = ceil(total_len, PAGE_SIZE);
+ rm->data.op_nents = DIV_ROUND_UP(total_len, PAGE_SIZE);
rm->data.op_sg = rds_message_alloc_sgs(rm, num_sgs);
if (!rm->data.op_sg) {
rds_message_put(rm);
@@ -48,10 +48,6 @@ void rdsdebug(char *fmt, ...)
}
#endif
-/* XXX is there one of these somewhere? */
-#define ceil(x, y) \
- ({ unsigned long __x = (x), __y = (y); (__x + __y - 1) / __y; })
-
#define RDS_FRAG_SHIFT 12
#define RDS_FRAG_SIZE ((unsigned int)(1 << RDS_FRAG_SHIFT))
@@ -1082,7 +1082,7 @@ int rds_sendmsg(struct socket *sock, struct msghdr *msg, size_t payload_len)
size_t total_payload_len = payload_len, rdma_payload_len = 0;
bool zcopy = ((msg->msg_flags & MSG_ZEROCOPY) &&
sock_flag(rds_rs_to_sk(rs), SOCK_ZEROCOPY));
- int num_sgs = ceil(payload_len, PAGE_SIZE);
+ int num_sgs = DIV_ROUND_UP(payload_len, PAGE_SIZE);
int namelen;
/* Mirror Linux UDP mirror of BSD error message compatibility */
Yes indeed, DIV_ROUND_UP is in kernel.h. Signed-off-by: Jacob Wen <jian.w.wen@oracle.com> --- net/rds/ib_send.c | 4 ++-- net/rds/message.c | 4 ++-- net/rds/rds.h | 4 ---- net/rds/send.c | 2 +- 4 files changed, 5 insertions(+), 9 deletions(-)