static int
_recvfrom(struct socket *socket, unsigned char *ubuf, int size, unsigned flags)
{
- struct iovec iov;
- struct msghdr msg;
- mm_segment_t fs;
-
- fs = get_fs();
- set_fs(get_ds());
- flags |= MSG_DONTWAIT | MSG_NOSIGNAL;
-
- msg.msg_flags = flags;
- msg.msg_name = NULL;
- msg.msg_namelen = 0;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_control = NULL;
- iov.iov_base = ubuf;
- iov.iov_len = size;
-
- size = sock_recvmsg(socket, &msg, size, flags);
-
- set_fs(fs);
- return size;
+ struct kvec iov = {ubuf, size};
+ struct msghdr msg = {.msg_flags = flags};
+ msg.msg_flags |= MSG_DONTWAIT | MSG_NOSIGNAL;
+ return kernel_recvmsg(socket, &msg, &iov, 1, size, msg.msg_flags);
}
/*
}
/*
- * Adjust the iovec to move on 'n' bytes (from nfs/sunrpc)
+ * Adjust the kvec to move on 'n' bytes (from nfs/sunrpc)
*/
static int
-smb_move_iov(struct msghdr *msg, struct iovec *niv, unsigned amount)
+smb_move_iov(struct kvec **data, size_t *num, struct kvec *vec, unsigned amount)
{
- struct iovec *iv = msg->msg_iov;
+ struct kvec *iv = *data;
int i;
int len;
/*
- * Eat any sent iovecs
+ * Eat any sent kvecs
*/
while (iv->iov_len <= amount) {
amount -= iv->iov_len;
iv++;
- msg->msg_iovlen--;
+ (*num)--;
}
/*
* And chew down the partial one
*/
- niv[0].iov_len = iv->iov_len-amount;
- niv[0].iov_base =((unsigned char *)iv->iov_base)+amount;
+ vec[0].iov_len = iv->iov_len-amount;
+ vec[0].iov_base =((unsigned char *)iv->iov_base)+amount;
iv++;
- len = niv[0].iov_len;
+ len = vec[0].iov_len;
/*
* And copy any others
*/
- for (i = 1; i < msg->msg_iovlen; i++) {
- niv[i] = *iv++;
- len += niv[i].iov_len;
+ for (i = 1; i < *num; i++) {
+ vec[i] = *iv++;
+ len += vec[i].iov_len;
}
- msg->msg_iov = niv;
+ *data = vec;
return len;
}
{
struct socket *sock;
unsigned int flags;
- struct iovec iov;
+ struct kvec iov;
struct msghdr msg;
- mm_segment_t fs;
int rlen = smb_len(server->header) - server->smb_read + 4;
int result = -EIO;
+ if (rlen > PAGE_SIZE)
+ rlen = PAGE_SIZE;
+
sock = server_sock(server);
if (!sock)
goto out;
if (sock->sk->sk_state != TCP_ESTABLISHED)
goto out;
- fs = get_fs();
- set_fs(get_ds());
-
flags = MSG_DONTWAIT | MSG_NOSIGNAL;
iov.iov_base = drop_buffer;
iov.iov_len = PAGE_SIZE;
msg.msg_flags = flags;
msg.msg_name = NULL;
msg.msg_namelen = 0;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
msg.msg_control = NULL;
- if (rlen > PAGE_SIZE)
- rlen = PAGE_SIZE;
-
- result = sock_recvmsg(sock, &msg, rlen, flags);
-
- set_fs(fs);
+ result = kernel_recvmsg(sock, &msg, &iov, 1, rlen, flags);
VERBOSE("read: %d\n", result);
if (result < 0) {
{
struct socket *sock;
unsigned int flags;
- struct iovec iov[4];
+ struct kvec iov[4];
+ struct kvec *p = req->rq_iov;
+ size_t num = req->rq_iovlen;
struct msghdr msg;
- mm_segment_t fs;
int rlen;
int result = -EIO;
if (sock->sk->sk_state != TCP_ESTABLISHED)
goto out;
- fs = get_fs();
- set_fs(get_ds());
-
flags = MSG_DONTWAIT | MSG_NOSIGNAL;
msg.msg_flags = flags;
msg.msg_name = NULL;
msg.msg_namelen = 0;
- msg.msg_iov = req->rq_iov;
- msg.msg_iovlen = req->rq_iovlen;
msg.msg_control = NULL;
/* Dont repeat bytes and count available bufferspace */
- rlen = smb_move_iov(&msg, iov, req->rq_bytes_recvd);
+ rlen = smb_move_iov(&p, &num, iov, req->rq_bytes_recvd);
if (req->rq_rlen < rlen)
rlen = req->rq_rlen;
- result = sock_recvmsg(sock, &msg, rlen, flags);
-
- set_fs(fs);
+ result = kernel_recvmsg(sock, &msg, p, num, rlen, flags);
VERBOSE("read: %d\n", result);
if (result < 0) {
int
smb_send_request(struct smb_request *req)
{
- mm_segment_t fs;
struct smb_sb_info *server = req->rq_server;
struct socket *sock;
- struct msghdr msg;
+ struct msghdr msg = {.msg_flags = MSG_NOSIGNAL | MSG_DONTWAIT};
int slen = req->rq_slen - req->rq_bytes_sent;
int result = -EIO;
- struct iovec iov[4];
+ struct kvec iov[4];
+ struct kvec *p = req->rq_iov;
+ size_t num = req->rq_iovlen;
sock = server_sock(server);
if (!sock)
if (sock->sk->sk_state != TCP_ESTABLISHED)
goto out;
- msg.msg_name = NULL;
- msg.msg_namelen = 0;
- msg.msg_control = NULL;
- msg.msg_controllen = 0;
- msg.msg_iov = req->rq_iov;
- msg.msg_iovlen = req->rq_iovlen;
- msg.msg_flags = MSG_NOSIGNAL | MSG_DONTWAIT;
-
/* Dont repeat bytes */
if (req->rq_bytes_sent)
- smb_move_iov(&msg, iov, req->rq_bytes_sent);
+ smb_move_iov(&p, &num, iov, req->rq_bytes_sent);
- fs = get_fs();
- set_fs(get_ds());
- result = sock_sendmsg(sock, &msg, slen);
- set_fs(fs);
+ result = kernel_sendmsg(sock, &msg, p, num, slen);
if (result >= 0) {
req->rq_bytes_sent += result;