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dlm: use kernel_sendpage 

Using kernel_sendpage() is cleaner and safer than following
sock->ops ourselves.

Signed-off-by: Paolo Bonzini <bonzini@gnu.org>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Paolo Bonzini 2009-08-24 13:18:04 -05:00 committed by David Teigland
parent 063c4c9963
commit 1329e3f2c8
1 changed files with 2 additions and 5 deletions
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7
fs/dlm/lowcomms.c
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@ -1285,7 +1285,6 @@ out:
static void send_to_sock(struct connection *con) static void send_to_sock(struct connection *con)
{ {
int ret = 0; int ret = 0;
ssize_t(*sendpage) (struct socket *, struct page *, int, size_t, int);
const int msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL; const int msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL;
struct writequeue_entry *e; struct writequeue_entry *e;
int len, offset; int len, offset;
@ -1294,8 +1293,6 @@ static void send_to_sock(struct connection *con)
if (con->sock == NULL) if (con->sock == NULL)
goto out_connect; goto out_connect;
sendpage = con->sock->ops->sendpage;
spin_lock(&con->writequeue_lock); spin_lock(&con->writequeue_lock);
for (;;) { for (;;) {
e = list_entry(con->writequeue.next, struct writequeue_entry, e = list_entry(con->writequeue.next, struct writequeue_entry,
@ -1310,8 +1307,8 @@ static void send_to_sock(struct connection *con)
ret = 0; ret = 0;
if (len) { if (len) {
ret = sendpage(con->sock, e->page, offset, len, ret = kernel_sendpage(con->sock, e->page, offset, len,
msg_flags); msg_flags);
if (ret == -EAGAIN || ret == 0) { if (ret == -EAGAIN || ret == 0) {
cond_resched(); cond_resched();
goto out; goto out;