nfsd4: cleanup: replace rq_resused count by rq_next_page pointer
It may be a matter of personal taste, but I find this makes the code
clearer.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index d83db80..676ddf5 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -243,6 +243,7 @@
struct page * rq_pages[RPCSVC_MAXPAGES];
struct page * *rq_respages; /* points into rq_pages */
int rq_resused; /* number of pages used for result */
+ struct page * *rq_next_page; /* next reply page to use */
struct kvec rq_vec[RPCSVC_MAXPAGES]; /* generally useful.. */
@@ -338,9 +339,8 @@
static inline void svc_free_res_pages(struct svc_rqst *rqstp)
{
- while (rqstp->rq_resused) {
- struct page **pp = (rqstp->rq_respages +
- --rqstp->rq_resused);
+ while (rqstp->rq_next_page != rqstp->rq_respages) {
+ struct page **pp = --rqstp->rq_next_page;
if (*pp) {
put_page(*pp);
*pp = NULL;