summaryrefslogtreecommitdiffstats
path: root/net/sunrpc/svcsock.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/sunrpc/svcsock.c')
-rw-r--r--net/sunrpc/svcsock.c51
1 files changed, 30 insertions, 21 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index cba85d195222..b39e7e2b648f 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -313,7 +313,7 @@ svc_sock_release(struct svc_rqst *rqstp)
svc_release_skb(rqstp);
- svc_free_allpages(rqstp);
+ svc_free_res_pages(rqstp);
rqstp->rq_res.page_len = 0;
rqstp->rq_res.page_base = 0;
@@ -412,7 +412,8 @@ svc_sendto(struct svc_rqst *rqstp, struct xdr_buf *xdr)
/* send head */
if (slen == xdr->head[0].iov_len)
flags = 0;
- len = kernel_sendpage(sock, rqstp->rq_respages[0], 0, xdr->head[0].iov_len, flags);
+ len = kernel_sendpage(sock, rqstp->rq_respages[0], 0,
+ xdr->head[0].iov_len, flags);
if (len != xdr->head[0].iov_len)
goto out;
slen -= xdr->head[0].iov_len;
@@ -437,8 +438,9 @@ svc_sendto(struct svc_rqst *rqstp, struct xdr_buf *xdr)
}
/* send tail */
if (xdr->tail[0].iov_len) {
- result = kernel_sendpage(sock, rqstp->rq_respages[rqstp->rq_restailpage],
- ((unsigned long)xdr->tail[0].iov_base)& (PAGE_SIZE-1),
+ result = kernel_sendpage(sock, rqstp->rq_respages[0],
+ ((unsigned long)xdr->tail[0].iov_base)
+ & (PAGE_SIZE-1),
xdr->tail[0].iov_len, 0);
if (result > 0)
@@ -492,7 +494,12 @@ svc_sock_names(char *buf, struct svc_serv *serv, char *toclose)
}
spin_unlock(&serv->sv_lock);
if (closesk)
+ /* Should unregister with portmap, but you cannot
+ * unregister just one protocol...
+ */
svc_delete_socket(closesk);
+ else if (toclose)
+ return -ENOENT;
return len;
}
EXPORT_SYMBOL(svc_sock_names);
@@ -703,9 +710,11 @@ svc_udp_recvfrom(struct svc_rqst *rqstp)
if (len <= rqstp->rq_arg.head[0].iov_len) {
rqstp->rq_arg.head[0].iov_len = len;
rqstp->rq_arg.page_len = 0;
+ rqstp->rq_respages = rqstp->rq_pages+1;
} else {
rqstp->rq_arg.page_len = len - rqstp->rq_arg.head[0].iov_len;
- rqstp->rq_argused += (rqstp->rq_arg.page_len + PAGE_SIZE - 1)/ PAGE_SIZE;
+ rqstp->rq_respages = rqstp->rq_pages + 1 +
+ (rqstp->rq_arg.page_len + PAGE_SIZE - 1)/ PAGE_SIZE;
}
if (serv->sv_stats)
@@ -946,7 +955,7 @@ svc_tcp_recvfrom(struct svc_rqst *rqstp)
struct svc_sock *svsk = rqstp->rq_sock;
struct svc_serv *serv = svsk->sk_server;
int len;
- struct kvec vec[RPCSVC_MAXPAGES];
+ struct kvec *vec;
int pnum, vlen;
dprintk("svc: tcp_recv %p data %d conn %d close %d\n",
@@ -1044,15 +1053,17 @@ svc_tcp_recvfrom(struct svc_rqst *rqstp)
len = svsk->sk_reclen;
set_bit(SK_DATA, &svsk->sk_flags);
+ vec = rqstp->rq_vec;
vec[0] = rqstp->rq_arg.head[0];
vlen = PAGE_SIZE;
pnum = 1;
while (vlen < len) {
- vec[pnum].iov_base = page_address(rqstp->rq_argpages[rqstp->rq_argused++]);
+ vec[pnum].iov_base = page_address(rqstp->rq_pages[pnum]);
vec[pnum].iov_len = PAGE_SIZE;
pnum++;
vlen += PAGE_SIZE;
}
+ rqstp->rq_respages = &rqstp->rq_pages[pnum];
/* Now receive data */
len = svc_recvfrom(rqstp, vec, pnum, len);
@@ -1204,7 +1215,7 @@ svc_recv(struct svc_rqst *rqstp, long timeout)
struct svc_sock *svsk =NULL;
struct svc_serv *serv = rqstp->rq_server;
struct svc_pool *pool = rqstp->rq_pool;
- int len;
+ int len, i;
int pages;
struct xdr_buf *arg;
DECLARE_WAITQUEUE(wait, current);
@@ -1221,27 +1232,22 @@ svc_recv(struct svc_rqst *rqstp, long timeout)
"svc_recv: service %p, wait queue active!\n",
rqstp);
- /* Initialize the buffers */
- /* first reclaim pages that were moved to response list */
- svc_pushback_allpages(rqstp);
/* now allocate needed pages. If we get a failure, sleep briefly */
pages = 2 + (serv->sv_bufsz + PAGE_SIZE -1) / PAGE_SIZE;
- while (rqstp->rq_arghi < pages) {
- struct page *p = alloc_page(GFP_KERNEL);
- if (!p) {
- schedule_timeout_uninterruptible(msecs_to_jiffies(500));
- continue;
+ for (i=0; i < pages ; i++)
+ while (rqstp->rq_pages[i] == NULL) {
+ struct page *p = alloc_page(GFP_KERNEL);
+ if (!p)
+ schedule_timeout_uninterruptible(msecs_to_jiffies(500));
+ rqstp->rq_pages[i] = p;
}
- rqstp->rq_argpages[rqstp->rq_arghi++] = p;
- }
/* Make arg->head point to first page and arg->pages point to rest */
arg = &rqstp->rq_arg;
- arg->head[0].iov_base = page_address(rqstp->rq_argpages[0]);
+ arg->head[0].iov_base = page_address(rqstp->rq_pages[0]);
arg->head[0].iov_len = PAGE_SIZE;
- rqstp->rq_argused = 1;
- arg->pages = rqstp->rq_argpages + 1;
+ arg->pages = rqstp->rq_pages + 1;
arg->page_base = 0;
/* save at least one page for response */
arg->page_len = (pages-2)*PAGE_SIZE;
@@ -1604,6 +1610,8 @@ svc_delete_socket(struct svc_sock *svsk)
sockfd_put(svsk->sk_sock);
else
sock_release(svsk->sk_sock);
+ if (svsk->sk_info_authunix != NULL)
+ svcauth_unix_info_release(svsk->sk_info_authunix);
kfree(svsk);
} else {
spin_unlock_bh(&serv->sv_lock);
@@ -1699,6 +1707,7 @@ static int svc_deferred_recv(struct svc_rqst *rqstp)
rqstp->rq_prot = dr->prot;
rqstp->rq_addr = dr->addr;
rqstp->rq_daddr = dr->daddr;
+ rqstp->rq_respages = rqstp->rq_pages;
return dr->argslen<<2;
}
OpenPOWER on IntegriCloud