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authorJacob Wen <jian.w.wen@oracle.com>2019-01-07 09:59:59 +0800
committerDavid S. Miller <davem@davemloft.net>2019-01-07 07:22:36 -0800
commiteeb2c4fb6a3d0ebed35fbc13a255f691c8b8d7e5 (patch)
treea6a3fd94a38cd29cddb7b6ce6cf3f90fbf45f3ba /net/rds
parent10262b0b53666cbc506989b17a3ead1e9c3b43b4 (diff)
downloadlinux-stericsson-eeb2c4fb6a3d0ebed35fbc13a255f691c8b8d7e5.tar.gz
rds: use DIV_ROUND_UP instead of ceil
Yes indeed, DIV_ROUND_UP is in kernel.h. Signed-off-by: Jacob Wen <jian.w.wen@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rds')
-rw-r--r--net/rds/ib_send.c4
-rw-r--r--net/rds/message.c4
-rw-r--r--net/rds/rds.h4
-rw-r--r--net/rds/send.c2
4 files changed, 5 insertions, 9 deletions
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 2dcb555e6350..4e0c36acf866 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -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) {
diff --git a/net/rds/message.c b/net/rds/message.c
index f139420ba1f6..50f13f1d4ae0 100644
--- a/net/rds/message.c
+++ b/net/rds/message.c
@@ -341,7 +341,7 @@ 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);
int ret;
@@ -351,7 +351,7 @@ 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, &ret);
if (!rm->data.op_sg) {
rds_message_put(rm);
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 02ec4a3b2799..4ffe100ff5e6 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -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))
diff --git a/net/rds/send.c b/net/rds/send.c
index 3d822bad7de9..fd8b687d5c05 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -1107,7 +1107,7 @@ 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;
struct rds_iov_vector_arr vct;
int ind;