Re: [PATCH] staging:lustre:lnet: Incorrect type in assignment

From: Al Viro
Date: Tue Dec 02 2014 - 12:15:51 EST

On Mon, Dec 01, 2014 at 02:53:52PM +0800, sunwxg wrote:
> From: Sun Wang <sun.wxg@xxxxxxxxx>
>
> Incorrect type when assign value to varible iov_base.

Oh, for pity sake... Folks, these struct iovec in there are bloody wrong.
It's not iovec at all. There are exactly two declarations in the whole
drivers/staging/lustre where struct iovec should not be struct kvec. As for
everything else, see below.

commit 82fa028f2b462743aeeb9b973d02733801b2f8e6
Author: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Sat Nov 29 12:24:20 2014 -0500

lustre: don't use iovec instead of kvec

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

diff --git a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
index 7e89b3b..99fb52a 100644
--- a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
+++ b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
@@ -752,9 +752,9 @@ int lnet_fail_nid(lnet_nid_t nid, unsigned int threshold);
void lnet_counters_get(lnet_counters_t *counters);
void lnet_counters_reset(void);

-unsigned int lnet_iov_nob(unsigned int niov, struct iovec *iov);
-int lnet_extract_iov(int dst_niov, struct iovec *dst,
- int src_niov, struct iovec *src,
+unsigned int lnet_iov_nob(unsigned int niov, struct kvec *iov);
+int lnet_extract_iov(int dst_niov, struct kvec *dst,
+ int src_niov, struct kvec *src,
unsigned int offset, unsigned int len);

unsigned int lnet_kiov_nob(unsigned int niov, lnet_kiov_t *iov);
@@ -762,17 +762,17 @@ int lnet_extract_kiov(int dst_niov, lnet_kiov_t *dst,
int src_niov, lnet_kiov_t *src,
unsigned int offset, unsigned int len);

-void lnet_copy_iov2iov(unsigned int ndiov, struct iovec *diov,
+void lnet_copy_iov2iov(unsigned int ndiov, struct kvec *diov,
unsigned int doffset,
- unsigned int nsiov, struct iovec *siov,
+ unsigned int nsiov, struct kvec *siov,
unsigned int soffset, unsigned int nob);
-void lnet_copy_kiov2iov(unsigned int niov, struct iovec *iov,
+void lnet_copy_kiov2iov(unsigned int niov, struct kvec *iov,
unsigned int iovoffset,
unsigned int nkiov, lnet_kiov_t *kiov,
unsigned int kiovoffset, unsigned int nob);
void lnet_copy_iov2kiov(unsigned int nkiov, lnet_kiov_t *kiov,
unsigned int kiovoffset,
- unsigned int niov, struct iovec *iov,
+ unsigned int niov, struct kvec *iov,
unsigned int iovoffset, unsigned int nob);
void lnet_copy_kiov2kiov(unsigned int ndkiov, lnet_kiov_t *dkiov,
unsigned int doffset,
@@ -781,10 +781,10 @@ void lnet_copy_kiov2kiov(unsigned int ndkiov, lnet_kiov_t *dkiov,

static inline void
lnet_copy_iov2flat(int dlen, void *dest, unsigned int doffset,
- unsigned int nsiov, struct iovec *siov, unsigned int soffset,
+ unsigned int nsiov, struct kvec *siov, unsigned int soffset,
unsigned int nob)
{
- struct iovec diov = {/*.iov_base = */ dest, /*.iov_len = */ dlen};
+ struct kvec diov = {/*.iov_base = */ dest, /*.iov_len = */ dlen};

lnet_copy_iov2iov(1, &diov, doffset,
nsiov, siov, soffset, nob);
@@ -795,17 +795,17 @@ lnet_copy_kiov2flat(int dlen, void *dest, unsigned int doffset,
unsigned int nsiov, lnet_kiov_t *skiov,
unsigned int soffset, unsigned int nob)
{
- struct iovec diov = {/* .iov_base = */ dest, /* .iov_len = */ dlen};
+ struct kvec diov = {/* .iov_base = */ dest, /* .iov_len = */ dlen};

lnet_copy_kiov2iov(1, &diov, doffset,
nsiov, skiov, soffset, nob);
}

static inline void
-lnet_copy_flat2iov(unsigned int ndiov, struct iovec *diov, unsigned int doffset,
+lnet_copy_flat2iov(unsigned int ndiov, struct kvec *diov, unsigned int doffset,
int slen, void *src, unsigned int soffset, unsigned int nob)
{
- struct iovec siov = {/*.iov_base = */ src, /*.iov_len = */slen};
+ struct kvec siov = {/*.iov_base = */ src, /*.iov_len = */slen};

lnet_copy_iov2iov(ndiov, diov, doffset,
1, &siov, soffset, nob);
@@ -816,7 +816,7 @@ lnet_copy_flat2kiov(unsigned int ndiov, lnet_kiov_t *dkiov,
unsigned int doffset, int slen, void *src,
unsigned int soffset, unsigned int nob)
{
- struct iovec siov = {/* .iov_base = */ src, /* .iov_len = */ slen};
+ struct kvec siov = {/* .iov_base = */ src, /* .iov_len = */ slen};

lnet_copy_iov2kiov(ndiov, dkiov, doffset,
1, &siov, soffset, nob);
diff --git a/drivers/staging/lustre/include/linux/lnet/lib-types.h b/drivers/staging/lustre/include/linux/lnet/lib-types.h
index f16213f..ba1876f 100644
--- a/drivers/staging/lustre/include/linux/lnet/lib-types.h
+++ b/drivers/staging/lustre/include/linux/lnet/lib-types.h
@@ -217,7 +217,7 @@ typedef struct lnet_msg {
unsigned int msg_wanted;
unsigned int msg_offset;
unsigned int msg_niov;
- struct iovec *msg_iov;
+ struct kvec *msg_iov;
lnet_kiov_t *msg_kiov;

lnet_event_t msg_ev;
@@ -271,7 +271,7 @@ typedef struct lnet_libmd {
lnet_eq_t *md_eq;
unsigned int md_niov; /* # frags */
union {
- struct iovec iov[LNET_MAX_IOV];
+ struct kvec iov[LNET_MAX_IOV];
lnet_kiov_t kiov[LNET_MAX_IOV];
} md_iov;
} lnet_libmd_t;
@@ -346,7 +346,7 @@ typedef struct lnet_lnd {
* credit if the LND does flow control. */
int (*lnd_recv)(struct lnet_ni *ni, void *private, lnet_msg_t *msg,
int delayed, unsigned int niov,
- struct iovec *iov, lnet_kiov_t *kiov,
+ struct kvec *iov, lnet_kiov_t *kiov,
unsigned int offset, unsigned int mlen, unsigned int rlen);

/* lnet_parse() has had to delay processing of this message
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
index b02b4ec..ab128de 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
@@ -1026,5 +1026,5 @@ int kiblnd_post_rx (kib_rx_t *rx, int credit);

int kiblnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg);
int kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed,
- unsigned int niov, struct iovec *iov, lnet_kiov_t *kiov,
+ unsigned int niov, struct kvec *iov, lnet_kiov_t *kiov,
unsigned int offset, unsigned int mlen, unsigned int rlen);
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
index 14c9c8d..00eaab2 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
@@ -697,7 +697,7 @@ kiblnd_map_tx(lnet_ni_t *ni, kib_tx_t *tx,

static int
kiblnd_setup_rd_iov(lnet_ni_t *ni, kib_tx_t *tx, kib_rdma_desc_t *rd,
- unsigned int niov, struct iovec *iov, int offset, int nob)
+ unsigned int niov, struct kvec *iov, int offset, int nob)
{
kib_net_t *net = ni->ni_data;
struct page *page;
@@ -1462,7 +1462,7 @@ kiblnd_send (lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
int target_is_router = lntmsg->msg_target_is_router;
int routing = lntmsg->msg_routing;
unsigned int payload_niov = lntmsg->msg_niov;
- struct iovec *payload_iov = lntmsg->msg_iov;
+ struct kvec *payload_iov = lntmsg->msg_iov;
lnet_kiov_t *payload_kiov = lntmsg->msg_kiov;
unsigned int payload_offset = lntmsg->msg_offset;
unsigned int payload_nob = lntmsg->msg_len;
@@ -1629,7 +1629,7 @@ kiblnd_reply (lnet_ni_t *ni, kib_rx_t *rx, lnet_msg_t *lntmsg)
{
lnet_process_id_t target = lntmsg->msg_target;
unsigned int niov = lntmsg->msg_niov;
- struct iovec *iov = lntmsg->msg_iov;
+ struct kvec *iov = lntmsg->msg_iov;
lnet_kiov_t *kiov = lntmsg->msg_kiov;
unsigned int offset = lntmsg->msg_offset;
unsigned int nob = lntmsg->msg_len;
@@ -1688,7 +1688,7 @@ kiblnd_reply (lnet_ni_t *ni, kib_rx_t *rx, lnet_msg_t *lntmsg)

int
kiblnd_recv (lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed,
- unsigned int niov, struct iovec *iov, lnet_kiov_t *kiov,
+ unsigned int niov, struct kvec *iov, lnet_kiov_t *kiov,
unsigned int offset, unsigned int mlen, unsigned int rlen)
{
kib_rx_t *rx = private;
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
index a29d4da..03488d2 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
@@ -69,7 +69,7 @@ typedef struct /* per scheduler state */
int kss_nconns;
struct ksock_sched_info *kss_info; /* owner of it */
struct page *kss_rx_scratch_pgs[LNET_MAX_IOV];
- struct iovec kss_scratch_iov[LNET_MAX_IOV];
+ struct kvec kss_scratch_iov[LNET_MAX_IOV];
} ksock_sched_t;

struct ksock_sched_info {
@@ -213,7 +213,7 @@ typedef struct /* transmit packet */
int tx_nob; /* # packet bytes */
int tx_resid; /* residual bytes */
int tx_niov; /* # packet iovec frags */
- struct iovec *tx_iov; /* packet iovec frags */
+ struct kvec *tx_iov; /* packet iovec frags */
int tx_nkiov; /* # packet page frags */
unsigned short tx_zc_aborted; /* aborted ZC request */
unsigned short tx_zc_capable:1; /* payload is large enough for ZC */
@@ -227,11 +227,11 @@ typedef struct /* transmit packet */
int tx_desc_size; /* size of this descriptor */
union {
struct {
- struct iovec iov; /* virt hdr */
+ struct kvec iov; /* virt hdr */
lnet_kiov_t kiov[0]; /* paged payload */
} paged;
struct {
- struct iovec iov[1]; /* virt hdr + payload */
+ struct kvec iov[1]; /* virt hdr + payload */
} virt;
} tx_frags;
} ksock_tx_t;
@@ -243,7 +243,7 @@ typedef struct /* transmit packet */
/* space for the rx frag descriptors; we either read a single contiguous
* header, or up to LNET_MAX_IOV frags of payload of either type. */
typedef union {
- struct iovec iov[LNET_MAX_IOV];
+ struct kvec iov[LNET_MAX_IOV];
lnet_kiov_t kiov[LNET_MAX_IOV];
} ksock_rxiovspace_t;

@@ -284,7 +284,7 @@ typedef struct ksock_conn {
int ksnc_rx_nob_left; /* # bytes to next hdr/body */
int ksnc_rx_nob_wanted; /* bytes actually wanted */
int ksnc_rx_niov; /* # iovec frags */
- struct iovec *ksnc_rx_iov; /* the iovec frags */
+ struct kvec *ksnc_rx_iov; /* the iovec frags */
int ksnc_rx_nkiov; /* # page frags */
lnet_kiov_t *ksnc_rx_kiov; /* the page frags */
ksock_rxiovspace_t ksnc_rx_iov_space;/* space for frag descriptors */
@@ -517,7 +517,7 @@ int ksocknal_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg);
int ksocknal_send (lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg);
int ksocknal_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg,
int delayed, unsigned int niov,
- struct iovec *iov, lnet_kiov_t *kiov,
+ struct kvec *iov, lnet_kiov_t *kiov,
unsigned int offset, unsigned int mlen, unsigned int rlen);
int ksocknal_accept(lnet_ni_t *ni, struct socket *sock);

diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
index d29f5f1..6070cba 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
@@ -110,7 +110,7 @@ ksocknal_free_tx (ksock_tx_t *tx)
static int
ksocknal_send_iov (ksock_conn_t *conn, ksock_tx_t *tx)
{
- struct iovec *iov = tx->tx_iov;
+ struct kvec *iov = tx->tx_iov;
int nob;
int rc;

@@ -251,7 +251,7 @@ ksocknal_transmit (ksock_conn_t *conn, ksock_tx_t *tx)
static int
ksocknal_recv_iov (ksock_conn_t *conn)
{
- struct iovec *iov = conn->ksnc_rx_iov;
+ struct kvec *iov = conn->ksnc_rx_iov;
int nob;
int rc;

@@ -930,7 +930,7 @@ ksocknal_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
int type = lntmsg->msg_type;
lnet_process_id_t target = lntmsg->msg_target;
unsigned int payload_niov = lntmsg->msg_niov;
- struct iovec *payload_iov = lntmsg->msg_iov;
+ struct kvec *payload_iov = lntmsg->msg_iov;
lnet_kiov_t *payload_kiov = lntmsg->msg_kiov;
unsigned int payload_offset = lntmsg->msg_offset;
unsigned int payload_nob = lntmsg->msg_len;
@@ -1051,8 +1051,8 @@ ksocknal_new_packet (ksock_conn_t *conn, int nob_to_skip)
case KSOCK_PROTO_V2:
case KSOCK_PROTO_V3:
conn->ksnc_rx_state = SOCKNAL_RX_KSM_HEADER;
- conn->ksnc_rx_iov = (struct iovec *)&conn->ksnc_rx_iov_space;
- conn->ksnc_rx_iov[0].iov_base = (char *)&conn->ksnc_msg;
+ conn->ksnc_rx_iov = (struct kvec *)&conn->ksnc_rx_iov_space;
+ conn->ksnc_rx_iov[0].iov_base = &conn->ksnc_msg;

conn->ksnc_rx_nob_wanted = offsetof(ksock_msg_t, ksm_u);
conn->ksnc_rx_nob_left = offsetof(ksock_msg_t, ksm_u);
@@ -1065,8 +1065,8 @@ ksocknal_new_packet (ksock_conn_t *conn, int nob_to_skip)
conn->ksnc_rx_nob_wanted = sizeof(lnet_hdr_t);
conn->ksnc_rx_nob_left = sizeof(lnet_hdr_t);

- conn->ksnc_rx_iov = (struct iovec *)&conn->ksnc_rx_iov_space;
- conn->ksnc_rx_iov[0].iov_base = (char *)&conn->ksnc_msg.ksm_u.lnetmsg;
+ conn->ksnc_rx_iov = (struct kvec *)&conn->ksnc_rx_iov_space;
+ conn->ksnc_rx_iov[0].iov_base = &conn->ksnc_msg.ksm_u.lnetmsg;
conn->ksnc_rx_iov[0].iov_len = sizeof (lnet_hdr_t);
break;

@@ -1086,7 +1086,7 @@ ksocknal_new_packet (ksock_conn_t *conn, int nob_to_skip)

conn->ksnc_rx_state = SOCKNAL_RX_SLOP;
conn->ksnc_rx_nob_left = nob_to_skip;
- conn->ksnc_rx_iov = (struct iovec *)&conn->ksnc_rx_iov_space;
+ conn->ksnc_rx_iov = (struct kvec *)&conn->ksnc_rx_iov_space;
skipped = 0;
niov = 0;

@@ -1217,8 +1217,8 @@ ksocknal_process_receive (ksock_conn_t *conn)
conn->ksnc_rx_nob_wanted = sizeof(ksock_lnet_msg_t);
conn->ksnc_rx_nob_left = sizeof(ksock_lnet_msg_t);

- conn->ksnc_rx_iov = (struct iovec *)&conn->ksnc_rx_iov_space;
- conn->ksnc_rx_iov[0].iov_base = (char *)&conn->ksnc_msg.ksm_u.lnetmsg;
+ conn->ksnc_rx_iov = (struct kvec *)&conn->ksnc_rx_iov_space;
+ conn->ksnc_rx_iov[0].iov_base = &conn->ksnc_msg.ksm_u.lnetmsg;
conn->ksnc_rx_iov[0].iov_len = sizeof(ksock_lnet_msg_t);

conn->ksnc_rx_niov = 1;
@@ -1316,7 +1316,7 @@ ksocknal_process_receive (ksock_conn_t *conn)

int
ksocknal_recv (lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
- unsigned int niov, struct iovec *iov, lnet_kiov_t *kiov,
+ unsigned int niov, struct kvec *iov, lnet_kiov_t *kiov,
unsigned int offset, unsigned int mlen, unsigned int rlen)
{
ksock_conn_t *conn = (ksock_conn_t *)private;
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c
index 245c9d7..66cc509 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c
@@ -92,11 +92,11 @@ ksocknal_lib_send_iov (ksock_conn_t *conn, ksock_tx_t *tx)

{
#if SOCKNAL_SINGLE_FRAG_TX
- struct iovec scratch;
- struct iovec *scratchiov = &scratch;
+ struct kvec scratch;
+ struct kvec *scratchiov = &scratch;
unsigned int niov = 1;
#else
- struct iovec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
+ struct kvec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
unsigned int niov = tx->tx_niov;
#endif
struct msghdr msg = {.msg_flags = MSG_DONTWAIT};
@@ -111,7 +111,7 @@ ksocknal_lib_send_iov (ksock_conn_t *conn, ksock_tx_t *tx)
nob < tx->tx_resid)
msg.msg_flags |= MSG_MORE;

- rc = kernel_sendmsg(sock, &msg, (struct kvec *)scratchiov, niov, nob);
+ rc = kernel_sendmsg(sock, &msg, scratchiov, niov, nob);
}
return rc;
}
@@ -153,14 +153,14 @@ ksocknal_lib_send_kiov (ksock_conn_t *conn, ksock_tx_t *tx)
}
} else {
#if SOCKNAL_SINGLE_FRAG_TX || !SOCKNAL_RISK_KMAP_DEADLOCK
- struct iovec scratch;
- struct iovec *scratchiov = &scratch;
+ struct kvec scratch;
+ struct kvec *scratchiov = &scratch;
unsigned int niov = 1;
#else
#ifdef CONFIG_HIGHMEM
#warning "XXX risk of kmap deadlock on multiple frags..."
#endif
- struct iovec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
+ struct kvec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
unsigned int niov = tx->tx_nkiov;
#endif
struct msghdr msg = {.msg_flags = MSG_DONTWAIT};
@@ -203,14 +203,14 @@ int
ksocknal_lib_recv_iov (ksock_conn_t *conn)
{
#if SOCKNAL_SINGLE_FRAG_RX
- struct iovec scratch;
- struct iovec *scratchiov = &scratch;
+ struct kvec scratch;
+ struct kvec *scratchiov = &scratch;
unsigned int niov = 1;
#else
- struct iovec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
+ struct kvec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
unsigned int niov = conn->ksnc_rx_niov;
#endif
- struct iovec *iov = conn->ksnc_rx_iov;
+ struct kvec *iov = conn->ksnc_rx_iov;
struct msghdr msg = {
.msg_flags = 0
};
@@ -232,7 +232,7 @@ ksocknal_lib_recv_iov (ksock_conn_t *conn)
LASSERT (nob <= conn->ksnc_rx_nob_wanted);

rc = kernel_recvmsg(conn->ksnc_sock, &msg,
- (struct kvec *)scratchiov, niov, nob, MSG_DONTWAIT);
+ scratchiov, niov, nob, MSG_DONTWAIT);

saved_csum = 0;
if (conn->ksnc_proto == &ksocknal_protocol_v2x) {
@@ -269,7 +269,7 @@ ksocknal_lib_kiov_vunmap(void *addr)

static void *
ksocknal_lib_kiov_vmap(lnet_kiov_t *kiov, int niov,
- struct iovec *iov, struct page **pages)
+ struct kvec *iov, struct page **pages)
{
void *addr;
int nob;
@@ -307,15 +307,15 @@ int
ksocknal_lib_recv_kiov (ksock_conn_t *conn)
{
#if SOCKNAL_SINGLE_FRAG_RX || !SOCKNAL_RISK_KMAP_DEADLOCK
- struct iovec scratch;
- struct iovec *scratchiov = &scratch;
+ struct kvec scratch;
+ struct kvec *scratchiov = &scratch;
struct page **pages = NULL;
unsigned int niov = 1;
#else
#ifdef CONFIG_HIGHMEM
#warning "XXX risk of kmap deadlock on multiple frags..."
#endif
- struct iovec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
+ struct kvec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
struct page **pages = conn->ksnc_scheduler->kss_rx_scratch_pgs;
unsigned int niov = conn->ksnc_rx_nkiov;
#endif
@@ -390,13 +390,13 @@ ksocknal_lib_csum_tx(ksock_tx_t *tx)
__u32 csum;
void *base;

- LASSERT(tx->tx_iov[0].iov_base == (void *)&tx->tx_msg);
+ LASSERT(tx->tx_iov[0].iov_base == &tx->tx_msg);
LASSERT(tx->tx_conn != NULL);
LASSERT(tx->tx_conn->ksnc_proto == &ksocknal_protocol_v2x);

tx->tx_msg.ksm_csum = 0;

- csum = ksocknal_csum(~0, (void *)tx->tx_iov[0].iov_base,
+ csum = ksocknal_csum(~0, tx->tx_iov[0].iov_base,
tx->tx_iov[0].iov_len);

if (tx->tx_kiov != NULL) {
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c
index 9dde548..46ee6a9 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c
@@ -718,7 +718,7 @@ ksocknal_pack_msg_v1(ksock_tx_t *tx)
LASSERT(tx->tx_msg.ksm_type != KSOCK_MSG_NOOP);
LASSERT(tx->tx_lnetmsg != NULL);

- tx->tx_iov[0].iov_base = (void *)&tx->tx_lnetmsg->msg_hdr;
+ tx->tx_iov[0].iov_base = &tx->tx_lnetmsg->msg_hdr;
tx->tx_iov[0].iov_len = sizeof(lnet_hdr_t);

tx->tx_resid = tx->tx_nob = tx->tx_lnetmsg->msg_len + sizeof(lnet_hdr_t);
@@ -727,7 +727,7 @@ ksocknal_pack_msg_v1(ksock_tx_t *tx)
static void
ksocknal_pack_msg_v2(ksock_tx_t *tx)
{
- tx->tx_iov[0].iov_base = (void *)&tx->tx_msg;
+ tx->tx_iov[0].iov_base = &tx->tx_msg;

if (tx->tx_lnetmsg != NULL) {
LASSERT(tx->tx_msg.ksm_type != KSOCK_MSG_NOOP);
diff --git a/drivers/staging/lustre/lnet/lnet/lib-move.c b/drivers/staging/lustre/lnet/lnet/lib-move.c
index 4b9567d..ccdcd39 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-move.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-move.c
@@ -158,7 +158,7 @@ fail_peer(lnet_nid_t nid, int outgoing)
}

unsigned int
-lnet_iov_nob(unsigned int niov, struct iovec *iov)
+lnet_iov_nob(unsigned int niov, struct kvec *iov)
{
unsigned int nob = 0;

@@ -170,8 +170,8 @@ lnet_iov_nob(unsigned int niov, struct iovec *iov)
EXPORT_SYMBOL(lnet_iov_nob);

void
-lnet_copy_iov2iov(unsigned int ndiov, struct iovec *diov, unsigned int doffset,
- unsigned int nsiov, struct iovec *siov, unsigned int soffset,
+lnet_copy_iov2iov(unsigned int ndiov, struct kvec *diov, unsigned int doffset,
+ unsigned int nsiov, struct kvec *siov, unsigned int soffset,
unsigned int nob)
{
/* NB diov, siov are READ-ONLY */
@@ -229,8 +229,8 @@ lnet_copy_iov2iov(unsigned int ndiov, struct iovec *diov, unsigned int doffset,
EXPORT_SYMBOL(lnet_copy_iov2iov);

int
-lnet_extract_iov(int dst_niov, struct iovec *dst,
- int src_niov, struct iovec *src,
+lnet_extract_iov(int dst_niov, struct kvec *dst,
+ int src_niov, struct kvec *src,
unsigned int offset, unsigned int len)
{
/* Initialise 'dst' to the subset of 'src' starting at 'offset',
@@ -371,7 +371,7 @@ lnet_copy_kiov2kiov(unsigned int ndiov, lnet_kiov_t *diov, unsigned int doffset,
EXPORT_SYMBOL(lnet_copy_kiov2kiov);

void
-lnet_copy_kiov2iov(unsigned int niov, struct iovec *iov, unsigned int iovoffset,
+lnet_copy_kiov2iov(unsigned int niov, struct kvec *iov, unsigned int iovoffset,
unsigned int nkiov, lnet_kiov_t *kiov,
unsigned int kiovoffset, unsigned int nob)
{
@@ -443,7 +443,7 @@ EXPORT_SYMBOL(lnet_copy_kiov2iov);
void
lnet_copy_iov2kiov(unsigned int nkiov, lnet_kiov_t *kiov,
unsigned int kiovoffset, unsigned int niov,
- struct iovec *iov, unsigned int iovoffset,
+ struct kvec *iov, unsigned int iovoffset,
unsigned int nob)
{
/* NB kiov, iov are READ-ONLY */
@@ -566,7 +566,7 @@ lnet_ni_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
unsigned int offset, unsigned int mlen, unsigned int rlen)
{
unsigned int niov = 0;
- struct iovec *iov = NULL;
+ struct kvec *iov = NULL;
lnet_kiov_t *kiov = NULL;
int rc;

diff --git a/drivers/staging/lustre/lnet/lnet/lo.c b/drivers/staging/lustre/lnet/lnet/lo.c
index be31dfc..c412ce3 100644
--- a/drivers/staging/lustre/lnet/lnet/lo.c
+++ b/drivers/staging/lustre/lnet/lnet/lo.c
@@ -47,7 +47,7 @@ lolnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
int
lolnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg,
int delayed, unsigned int niov,
- struct iovec *iov, lnet_kiov_t *kiov,
+ struct kvec *iov, lnet_kiov_t *kiov,
unsigned int offset, unsigned int mlen, unsigned int rlen)
{
lnet_msg_t *sendmsg = private;
--
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