xdr_encode_pages(struct xdr_buf *xdr, struct page **pages, unsigned int base,
unsigned int len)
{
- struct iovec *tail = xdr->tail;
+ struct kvec *tail = xdr->tail;
u32 *p;
xdr->pages = pages;
xdr_inline_pages(struct xdr_buf *xdr, unsigned int offset,
struct page **pages, unsigned int base, unsigned int len)
{
- struct iovec *head = xdr->head;
- struct iovec *tail = xdr->tail;
+ struct kvec *head = xdr->head;
+ struct kvec *tail = xdr->tail;
char *buf = (char *)head->iov_base;
unsigned int buflen = head->iov_len;
}
/*
- * Realign the iovec if the server missed out some reply elements
+ * Realign the kvec if the server missed out some reply elements
* (such as post-op attributes,...)
* Note: This is a simple implementation that assumes that
* len <= iov->iov_len !!!
* The RPC header (assumed to be the 1st element in the iov array)
* is not shifted.
*/
-void xdr_shift_iovec(struct iovec *iov, int nr, size_t len)
+void xdr_shift_iovec(struct kvec *iov, int nr, size_t len)
{
- struct iovec *pvec;
+ struct kvec *pvec;
for (pvec = iov + nr - 1; nr > 1; nr--, pvec--) {
- struct iovec *svec = pvec - 1;
+ struct kvec *svec = pvec - 1;
if (len > pvec->iov_len) {
printk(KERN_DEBUG "RPC: Urk! Large shift of short iovec.\n");
}
/*
- * Map a struct xdr_buf into an iovec array.
+ * Map a struct xdr_buf into an kvec array.
*/
-int xdr_kmap(struct iovec *iov_base, struct xdr_buf *xdr, size_t base)
+int xdr_kmap(struct kvec *iov_base, struct xdr_buf *xdr, size_t base)
{
- struct iovec *iov = iov_base;
+ struct kvec *iov = iov_base;
struct page **ppage = xdr->pages;
unsigned int len, pglen = xdr->page_len;
unsigned int len, pglen = xdr->page_len;
int err, ret = 0;
ssize_t (*sendpage)(struct socket *, struct page *, int, size_t, int);
- mm_segment_t oldfs;
len = xdr->head[0].iov_len;
if (base < len || (addr != NULL && base == 0)) {
- struct iovec iov = {
+ struct kvec iov = {
.iov_base = xdr->head[0].iov_base + base,
.iov_len = len - base,
};
.msg_namelen = addrlen,
.msg_flags = msgflags,
};
-
- if (iov.iov_len != 0) {
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- }
if (xdr->len > len)
msg.msg_flags |= MSG_MORE;
- oldfs = get_fs(); set_fs(get_ds());
- err = sock_sendmsg(sock, &msg, iov.iov_len);
- set_fs(oldfs);
+
+ if (iov.iov_len != 0)
+ err = kernel_sendmsg(sock, &msg, &iov, 1, iov.iov_len);
+ else
+ err = kernel_sendmsg(sock, &msg, NULL, 0, 0);
if (ret == 0)
ret = err;
else if (err > 0)
copy_tail:
len = xdr->tail[0].iov_len;
if (base < len) {
- struct iovec iov = {
+ struct kvec iov = {
.iov_base = xdr->tail[0].iov_base + base,
.iov_len = len - base,
};
struct msghdr msg = {
- .msg_iov = &iov,
- .msg_iovlen = 1,
.msg_flags = msgflags,
};
- oldfs = get_fs(); set_fs(get_ds());
- err = sock_sendmsg(sock, &msg, iov.iov_len);
- set_fs(oldfs);
+ err = kernel_sendmsg(sock, &msg, &iov, 1, iov.iov_len);
if (ret == 0)
ret = err;
else if (err > 0)
* @buf: xdr_buf
* @len: bytes to remove from buf->head[0]
*
- * Shrinks XDR buffer's header iovec buf->head[0] by
+ * Shrinks XDR buffer's header kvec buf->head[0] by
* 'len' bytes. The extra data is not lost, but is instead
* moved into the inlined pages and/or the tail.
*/
void
xdr_shrink_bufhead(struct xdr_buf *buf, size_t len)
{
- struct iovec *head, *tail;
+ struct kvec *head, *tail;
size_t copy, offs;
unsigned int pglen = buf->page_len;
void
xdr_shrink_pagelen(struct xdr_buf *buf, size_t len)
{
- struct iovec *tail;
+ struct kvec *tail;
size_t copy;
char *p;
unsigned int pglen = buf->page_len;
* @p: current pointer inside XDR buffer
*
* Note: at the moment the RPC client only passes the length of our
- * scratch buffer in the xdr_buf's header iovec. Previously this
+ * scratch buffer in the xdr_buf's header kvec. Previously this
* meant we needed to call xdr_adjust_iovec() after encoding the
* data. With the new scheme, the xdr_stream manages the details
- * of the buffer length, and takes care of adjusting the iovec
+ * of the buffer length, and takes care of adjusting the kvec
* length for us.
*/
void xdr_init_encode(struct xdr_stream *xdr, struct xdr_buf *buf, uint32_t *p)
{
- struct iovec *iov = buf->head;
+ struct kvec *iov = buf->head;
xdr->buf = buf;
xdr->iov = iov;
*
* Checks that we have enough buffer space to encode 'nbytes' more
* bytes of data. If so, update the total xdr_buf length, and
- * adjust the length of the current iovec.
+ * adjust the length of the current kvec.
*/
uint32_t * xdr_reserve_space(struct xdr_stream *xdr, size_t nbytes)
{
unsigned int len)
{
struct xdr_buf *buf = xdr->buf;
- struct iovec *iov = buf->tail;
+ struct kvec *iov = buf->tail;
buf->pages = pages;
buf->page_base = base;
buf->page_len = len;
*/
void xdr_init_decode(struct xdr_stream *xdr, struct xdr_buf *buf, uint32_t *p)
{
- struct iovec *iov = buf->head;
+ struct kvec *iov = buf->head;
unsigned int len = iov->iov_len;
if (len > buf->len)
void xdr_read_pages(struct xdr_stream *xdr, unsigned int len)
{
struct xdr_buf *buf = xdr->buf;
- struct iovec *iov;
+ struct kvec *iov;
ssize_t shift;
unsigned int end;
int padding;
}
EXPORT_SYMBOL(xdr_read_pages);
-static struct iovec empty_iov = {.iov_base = NULL, .iov_len = 0};
+static struct kvec empty_iov = {.iov_base = NULL, .iov_len = 0};
void
-xdr_buf_from_iov(struct iovec *iov, struct xdr_buf *buf)
+xdr_buf_from_iov(struct kvec *iov, struct xdr_buf *buf)
{
buf->head[0] = *iov;
buf->tail[0] = empty_iov;
* length of subiov to zero. Decrements len by length of subiov, sets base
* to zero (or decrements it by length of iov if subiov is empty). */
static void
-iov_subsegment(struct iovec *iov, struct iovec *subiov, int *base, int *len)
+iov_subsegment(struct kvec *iov, struct kvec *subiov, int *base, int *len)
{
if (*base > iov->iov_len) {
subiov->iov_base = NULL;
git://git.onelab.eu / linux-2.6.git / blobdiff