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nfsd4: cleanup: replace rq_resused count by rq_next_page pointer

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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>
This commit is contained in:
J. Bruce Fields
2012-12-10 18:01:37 -05:00
parent 79f77bf9a4
commit afc59400d6
12 changed files with 61 additions and 59 deletions
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include/linux/sunrpc/svc.h
+3 -3
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@@ -243,6 +243,7 @@ struct svc_rqst {
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 @@ xdr_ressize_check(struct svc_rqst *rqstp, __be32 *p)
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;