LU-13004 osp: use correct page count in osp_prep_update_req

[fs/lustre-release.git] / lustre / osp / osp_trans.c

diff --git a/lustre/osp/osp_trans.c b/lustre/osp/osp_trans.c
index 9686863..aa5ba5d 100644 (file)
--- a/lustre/osp/osp_trans.c
+++ b/lustre/osp/osp_trans.c
@@ -419,7 +419,8 @@ int osp_prep_update_req(const struct lu_env *env, struct obd_import *imp,
        list_for_each_entry(ours, &our->our_req_list, ours_list) {
                oub->oub_size = ours->ours_req_size;
                oub++;
-               page_count += round_up(ours->ours_req_size, PAGE_SIZE) + 1;
+               /* First *and* last might be partial pages, hence +1 */
+               page_count += DIV_ROUND_UP(ours->ours_req_size, PAGE_SIZE) + 1;
        }
 
        req->rq_bulk_write = 1;