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Groups > linux.kernel > #1448897 > unrolled thread

[PATCH 00/15] Lustre cleanups.

Started byOleg Drokin <green@linuxhacker.ru>
First post2016-07-23 08:50 +0200
Last post2016-07-23 08:50 +0200
Articles 4 — 1 participant

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Contents

  [PATCH 00/15] Lustre cleanups. Oleg Drokin <green@linuxhacker.ru> - 2016-07-23 08:50 +0200
    [PATCH 05/15] ksocknal_lib_send_iov(): sendmsg doesn't bugger iovec... Oleg Drokin <green@linuxhacker.ru> - 2016-07-23 08:50 +0200
    [PATCH 04/15] ksocknal_lib_recv_iov(): recvmsg doesn't bugger iovec anymore... Oleg Drokin <green@linuxhacker.ru> - 2016-07-23 08:50 +0200
    [PATCH 03/15] lustre: don't reinvent struct bio_vec Oleg Drokin <green@linuxhacker.ru> - 2016-07-23 08:50 +0200

#1448897 — [PATCH 00/15] Lustre cleanups.

FromOleg Drokin <green@linuxhacker.ru>
Date2016-07-23 08:50 +0200
Subject[PATCH 00/15] Lustre cleanups.
Message-ID<rXYLn-7WF-7@gated-at.bofh.it>
Here are some more Lustre cleanups.
The biggest of the bunch being Al Viro's work to convert
lnet to sendmsg and iovec iterators.

Also some style fixes.

Please consider.

Al Viro (10):
  lustre: switch lnet_sock_write() to sock_sendmsg()
  lustre: simplify the living hell out of ksocknal_lib_recv_kiov()
  lustre: don't reinvent struct bio_vec
  ksocknal_lib_recv_iov(): recvmsg doesn't bugger iovec anymore...
  ksocknal_lib_send_iov(): sendmsg doesn't bugger iovec...
  ksocknal_lib_send_kiov(): sendmsg doesn't bugger iovec...
  lustre: ->kss_scratch... are unused now
  lustre: constify lib-move.c stuff
  lustre: pass iov_iter to ->lnd_recv()
  lustre: introduce lnet_copy_{k,}iov2iter(), kill
    lnet_copy_{k,}iov2{k,}iov()

Emoly Liu (3):
  staging/lustre: Add spaces preferred around that '{+,-,*,/,|,<<,>>,&}'
  staging/lustre: Fix unnecessary parentheses around variables
  staging/lustre: Make alignment match open parenthesis

Oleg Drokin (2):
  staging/lustre: Always return EEXIST on mkdir for existing names
  staging/lustre: Remove unused cp_error from struct cl_page

 .../staging/lustre/include/linux/libcfs/libcfs.h   |   6 +-
 .../lustre/include/linux/libcfs/libcfs_debug.h     |  10 +-
 .../staging/lustre/include/linux/lnet/lib-lnet.h   |  65 +---
 .../staging/lustre/include/linux/lnet/lib-types.h  |   5 +-
 drivers/staging/lustre/include/linux/lnet/types.h  |  16 +-
 .../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c    |   2 +-
 .../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h    |   3 +-
 .../staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c |  73 +++--
 .../staging/lustre/lnet/klnds/socklnd/socklnd.h    |   8 +-
 .../staging/lustre/lnet/klnds/socklnd/socklnd_cb.c |  37 +--
 .../lustre/lnet/klnds/socklnd/socklnd_lib.c        | 207 +++---------
 .../lustre/lnet/libcfs/linux/linux-crypto.c        |   4 +-
 drivers/staging/lustre/lnet/lnet/lib-md.c          |   6 +-
 drivers/staging/lustre/lnet/lnet/lib-move.c        | 346 +++++----------------
 drivers/staging/lustre/lnet/lnet/lib-socket.c      |  21 +-
 drivers/staging/lustre/lnet/lnet/lo.c              |  37 +--
 drivers/staging/lustre/lnet/lnet/router.c          |  10 +-
 drivers/staging/lustre/lnet/selftest/brw_test.c    |   4 +-
 drivers/staging/lustre/lnet/selftest/conrpc.c      |  15 +-
 drivers/staging/lustre/lnet/selftest/framework.c   |   4 +-
 drivers/staging/lustre/lnet/selftest/rpc.c         |   8 +-
 drivers/staging/lustre/lustre/include/cl_object.h  |   4 +-
 drivers/staging/lustre/lustre/include/lu_object.h  |   3 +-
 .../lustre/lustre/include/lustre/lustre_idl.h      |  42 +--
 .../lustre/lustre/include/lustre/lustre_user.h     |   4 +-
 drivers/staging/lustre/lustre/include/lustre_fid.h |   2 +-
 .../staging/lustre/lustre/include/lustre_lite.h    |   2 +-
 .../staging/lustre/lustre/include/obd_support.h    |  13 +-
 drivers/staging/lustre/lustre/ldlm/ldlm_extent.c   |   4 +-
 drivers/staging/lustre/lustre/ldlm/ldlm_flock.c    |   8 +-
 drivers/staging/lustre/lustre/ldlm/ldlm_internal.h |  17 +-
 drivers/staging/lustre/lustre/ldlm/ldlm_lib.c      |   8 +-
 drivers/staging/lustre/lustre/ldlm/ldlm_lock.c     |  26 +-
 drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c    |  21 +-
 drivers/staging/lustre/lustre/ldlm/ldlm_pool.c     |   4 +-
 drivers/staging/lustre/lustre/ldlm/ldlm_request.c  |  14 +-
 drivers/staging/lustre/lustre/ldlm/ldlm_resource.c |   5 +-
 drivers/staging/lustre/lustre/llite/dir.c          |   5 +-
 drivers/staging/lustre/lustre/llite/file.c         |   4 +-
 drivers/staging/lustre/lustre/llite/llite_lib.c    |  25 +-
 drivers/staging/lustre/lustre/llite/llite_mmap.c   |   4 +-
 drivers/staging/lustre/lustre/llite/lproc_llite.c  |  14 +-
 drivers/staging/lustre/lustre/llite/namei.c        |  12 +-
 drivers/staging/lustre/lustre/llite/rw.c           |   9 +-
 drivers/staging/lustre/lustre/llite/rw26.c         |   2 +-
 drivers/staging/lustre/lustre/llite/statahead.c    |   3 +-
 drivers/staging/lustre/lustre/llite/super25.c      |   4 +-
 drivers/staging/lustre/lustre/llite/vvp_object.c   |   2 +-
 drivers/staging/lustre/lustre/llite/vvp_page.c     |   4 +-
 drivers/staging/lustre/lustre/lov/lov_ea.c         |   3 +-
 drivers/staging/lustre/lustre/lov/lov_obd.c        |  22 +-
 drivers/staging/lustre/lustre/lov/lov_pool.c       |  18 +-
 drivers/staging/lustre/lustre/mdc/mdc_locks.c      |   5 +-
 drivers/staging/lustre/lustre/mdc/mdc_reint.c      |   5 +-
 drivers/staging/lustre/lustre/obdclass/cl_page.c   |   4 +-
 drivers/staging/lustre/lustre/obdclass/debug.c     |   4 +-
 drivers/staging/lustre/lustre/obdclass/genops.c    |   6 +-
 drivers/staging/lustre/lustre/obdclass/llog.c      |   2 +-
 .../lustre/lustre/obdclass/lustre_handles.c        |   2 +-
 .../staging/lustre/lustre/obdclass/obd_config.c    |  14 +-
 drivers/staging/lustre/lustre/obdclass/obd_mount.c |  10 +-
 drivers/staging/lustre/lustre/obdclass/obdo.c      |   6 +-
 .../staging/lustre/lustre/obdecho/echo_internal.h  |   4 +-
 drivers/staging/lustre/lustre/osc/osc_cache.c      |  10 +-
 .../staging/lustre/lustre/osc/osc_cl_internal.h    |   2 +-
 drivers/staging/lustre/lustre/osc/osc_io.c         |   2 +-
 drivers/staging/lustre/lustre/osc/osc_request.c    |  14 +-
 drivers/staging/lustre/lustre/ptlrpc/client.c      |   2 +-
 drivers/staging/lustre/lustre/ptlrpc/import.c      |   6 +-
 .../staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c    |   2 +-
 drivers/staging/lustre/lustre/ptlrpc/niobuf.c      |   3 +-
 .../staging/lustre/lustre/ptlrpc/pack_generic.c    |  11 +-
 drivers/staging/lustre/lustre/ptlrpc/pers.c        |   6 +-
 drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c     |   4 +-
 drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c    |  11 +-
 drivers/staging/lustre/lustre/ptlrpc/sec_plain.c   |  32 +-
 drivers/staging/lustre/lustre/ptlrpc/service.c     |  24 +-
 drivers/staging/lustre/lustre/ptlrpc/wiretest.c    | 288 ++++++++---------
 78 files changed, 633 insertions(+), 1041 deletions(-)

-- 
2.7.4

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#1448898 — [PATCH 05/15] ksocknal_lib_send_iov(): sendmsg doesn't bugger iovec...

FromOleg Drokin <green@linuxhacker.ru>
Date2016-07-23 08:50 +0200
Subject[PATCH 05/15] ksocknal_lib_send_iov(): sendmsg doesn't bugger iovec...
Message-ID<rXYV3-7ZU-5@gated-at.bofh.it>
In reply to#1448897
From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 .../lustre/lnet/klnds/socklnd/socklnd_lib.c        | 38 ++++++----------------
 1 file changed, 10 insertions(+), 28 deletions(-)

diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
index 77bb29ff..8eb4a68 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
@@ -73,9 +73,9 @@ ksocknal_lib_zc_capable(struct ksock_conn *conn)
 int
 ksocknal_lib_send_iov(struct ksock_conn *conn, struct ksock_tx *tx)
 {
+	struct msghdr msg = {.msg_flags = MSG_DONTWAIT};
 	struct socket *sock = conn->ksnc_sock;
-	int nob;
-	int rc;
+	int nob, i;
 
 	if (*ksocknal_tunables.ksnd_enable_csum	&& /* checksum enabled */
 	    conn->ksnc_proto == &ksocknal_protocol_v2x && /* V2.x connection  */
@@ -83,34 +83,16 @@ ksocknal_lib_send_iov(struct ksock_conn *conn, struct ksock_tx *tx)
 	    !tx->tx_msg.ksm_csum)		     /* not checksummed  */
 		ksocknal_lib_csum_tx(tx);
 
-	/*
-	 * NB we can't trust socket ops to either consume our iovs
-	 * or leave them alone.
-	 */
-	{
-#if SOCKNAL_SINGLE_FRAG_TX
-		struct kvec scratch;
-		struct kvec *scratchiov = &scratch;
-		unsigned int niov = 1;
-#else
-		struct kvec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
-		unsigned int niov = tx->tx_niov;
-#endif
-		struct msghdr msg = {.msg_flags = MSG_DONTWAIT};
-		int i;
-
-		for (nob = i = 0; i < niov; i++) {
-			scratchiov[i] = tx->tx_iov[i];
-			nob += scratchiov[i].iov_len;
-		}
+	for (nob = i = 0; i < tx->tx_niov; i++)
+		nob += tx->tx_iov[i].iov_len;
 
-		if (!list_empty(&conn->ksnc_tx_queue) ||
-		    nob < tx->tx_resid)
-			msg.msg_flags |= MSG_MORE;
+	if (!list_empty(&conn->ksnc_tx_queue) ||
+	    nob < tx->tx_resid)
+		msg.msg_flags |= MSG_MORE;
 
-		rc = kernel_sendmsg(sock, &msg, scratchiov, niov, nob);
-	}
-	return rc;
+	iov_iter_kvec(&msg.msg_iter, WRITE | ITER_KVEC,
+		      tx->tx_iov, tx->tx_niov, nob);
+	return sock_sendmsg(sock, &msg);
 }
 
 int
-- 
2.7.4

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#1448899 — [PATCH 04/15] ksocknal_lib_recv_iov(): recvmsg doesn't bugger iovec anymore...

FromOleg Drokin <green@linuxhacker.ru>
Date2016-07-23 08:50 +0200
Subject[PATCH 04/15] ksocknal_lib_recv_iov(): recvmsg doesn't bugger iovec anymore...
Message-ID<rXYV3-7ZU-7@gated-at.bofh.it>
In reply to#1448897
From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 .../lustre/lnet/klnds/socklnd/socklnd_lib.c        | 22 +++++-----------------
 1 file changed, 5 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
index fe7b9f9..77bb29ff 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
@@ -201,14 +201,7 @@ ksocknal_lib_eager_ack(struct ksock_conn *conn)
 int
 ksocknal_lib_recv_iov(struct ksock_conn *conn)
 {
-#if SOCKNAL_SINGLE_FRAG_RX
-	struct kvec scratch;
-	struct kvec *scratchiov = &scratch;
-	unsigned int niov = 1;
-#else
-	struct kvec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
 	unsigned int niov = conn->ksnc_rx_niov;
-#endif
 	struct kvec *iov = conn->ksnc_rx_iov;
 	struct msghdr msg = {
 		.msg_flags = 0
@@ -220,20 +213,15 @@ ksocknal_lib_recv_iov(struct ksock_conn *conn)
 	int sum;
 	__u32 saved_csum;
 
-	/*
-	 * NB we can't trust socket ops to either consume our iovs
-	 * or leave them alone.
-	 */
 	LASSERT(niov > 0);
 
-	for (nob = i = 0; i < niov; i++) {
-		scratchiov[i] = iov[i];
-		nob += scratchiov[i].iov_len;
-	}
+	for (nob = i = 0; i < niov; i++)
+		nob += iov[i].iov_len;
+
 	LASSERT(nob <= conn->ksnc_rx_nob_wanted);
 
-	rc = kernel_recvmsg(conn->ksnc_sock, &msg, scratchiov, niov, nob,
-			    MSG_DONTWAIT);
+	iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, iov, niov, nob);
+	rc = sock_recvmsg(conn->ksnc_sock, &msg, MSG_DONTWAIT);
 
 	saved_csum = 0;
 	if (conn->ksnc_proto == &ksocknal_protocol_v2x) {
-- 
2.7.4

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#1448900 — [PATCH 03/15] lustre: don't reinvent struct bio_vec

FromOleg Drokin <green@linuxhacker.ru>
Date2016-07-23 08:50 +0200
Subject[PATCH 03/15] lustre: don't reinvent struct bio_vec
Message-ID<rXYV3-7ZU-11@gated-at.bofh.it>
In reply to#1448897
From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/staging/lustre/include/linux/lnet/types.h  | 16 +----
 .../staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c | 10 +--
 .../staging/lustre/lnet/klnds/socklnd/socklnd_cb.c | 16 ++---
 .../lustre/lnet/klnds/socklnd/socklnd_lib.c        | 42 +++++------
 drivers/staging/lustre/lnet/lnet/lib-md.c          |  6 +-
 drivers/staging/lustre/lnet/lnet/lib-move.c        | 84 +++++++++++-----------
 drivers/staging/lustre/lnet/lnet/router.c          | 10 +--
 drivers/staging/lustre/lnet/selftest/brw_test.c    |  4 +-
 drivers/staging/lustre/lnet/selftest/conrpc.c      | 15 ++--
 drivers/staging/lustre/lnet/selftest/framework.c   |  4 +-
 drivers/staging/lustre/lnet/selftest/rpc.c         |  8 +--
 drivers/staging/lustre/lustre/osc/osc_cache.c      |  4 +-
 drivers/staging/lustre/lustre/ptlrpc/client.c      |  2 +-
 drivers/staging/lustre/lustre/ptlrpc/pers.c        |  6 +-
 drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c    | 10 +--
 drivers/staging/lustre/lustre/ptlrpc/sec_plain.c   | 14 ++--
 16 files changed, 115 insertions(+), 136 deletions(-)

diff --git a/drivers/staging/lustre/include/linux/lnet/types.h b/drivers/staging/lustre/include/linux/lnet/types.h
index e098b6c..f8be0e2 100644
--- a/drivers/staging/lustre/include/linux/lnet/types.h
+++ b/drivers/staging/lustre/include/linux/lnet/types.h
@@ -503,21 +503,7 @@ typedef struct {
 /* NB lustre portals uses struct iovec internally! */
 typedef struct iovec lnet_md_iovec_t;
 
-/**
- * A page-based fragment of a MD.
- */
-typedef struct {
-	/** Pointer to the page where the fragment resides */
-	struct page	*kiov_page;
-	/** Length in bytes of the fragment */
-	unsigned int	 kiov_len;
-	/**
-	 * Starting offset of the fragment within the page. Note that the
-	 * end of the fragment must not pass the end of the page; i.e.,
-	 * kiov_len + kiov_offset <= PAGE_SIZE.
-	 */
-	unsigned int	 kiov_offset;
-} lnet_kiov_t;
+typedef struct bio_vec lnet_kiov_t;
 /** @} lnet_md */
 
 /** \addtogroup lnet_eq
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
index 596a697..9eb1db6 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
@@ -717,8 +717,8 @@ kiblnd_setup_rd_kiov(lnet_ni_t *ni, struct kib_tx *tx, struct kib_rdma_desc *rd,
 	LASSERT(nkiov > 0);
 	LASSERT(net);
 
-	while (offset >= kiov->kiov_len) {
-		offset -= kiov->kiov_len;
+	while (offset >= kiov->bv_len) {
+		offset -= kiov->bv_len;
 		nkiov--;
 		kiov++;
 		LASSERT(nkiov > 0);
@@ -728,10 +728,10 @@ kiblnd_setup_rd_kiov(lnet_ni_t *ni, struct kib_tx *tx, struct kib_rdma_desc *rd,
 	do {
 		LASSERT(nkiov > 0);
 
-		fragnob = min((int)(kiov->kiov_len - offset), nob);
+		fragnob = min((int)(kiov->bv_len - offset), nob);
 
-		sg_set_page(sg, kiov->kiov_page, fragnob,
-			    kiov->kiov_offset + offset);
+		sg_set_page(sg, kiov->bv_page, fragnob,
+			    kiov->bv_offset + offset);
 		sg = sg_next(sg);
 		if (!sg) {
 			CERROR("lacking enough sg entries to map tx\n");
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
index 303576d..1823d7f 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
@@ -164,13 +164,13 @@ ksocknal_send_kiov(struct ksock_conn *conn, struct ksock_tx *tx)
 	do {
 		LASSERT(tx->tx_nkiov > 0);
 
-		if (nob < (int)kiov->kiov_len) {
-			kiov->kiov_offset += nob;
-			kiov->kiov_len -= nob;
+		if (nob < (int)kiov->bv_len) {
+			kiov->bv_offset += nob;
+			kiov->bv_len -= nob;
 			return rc;
 		}
 
-		nob -= (int)kiov->kiov_len;
+		nob -= (int)kiov->bv_len;
 		tx->tx_kiov = ++kiov;
 		tx->tx_nkiov--;
 	} while (nob);
@@ -326,13 +326,13 @@ ksocknal_recv_kiov(struct ksock_conn *conn)
 	do {
 		LASSERT(conn->ksnc_rx_nkiov > 0);
 
-		if (nob < (int)kiov->kiov_len) {
-			kiov->kiov_offset += nob;
-			kiov->kiov_len -= nob;
+		if (nob < (int)kiov->bv_len) {
+			kiov->bv_offset += nob;
+			kiov->bv_len -= nob;
 			return -EAGAIN;
 		}
 
-		nob -= kiov->kiov_len;
+		nob -= kiov->bv_len;
 		conn->ksnc_rx_kiov = ++kiov;
 		conn->ksnc_rx_nkiov--;
 	} while (nob);
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
index 8479b53..fe7b9f9 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c
@@ -131,13 +131,13 @@ ksocknal_lib_send_kiov(struct ksock_conn *conn, struct ksock_tx *tx)
 	if (tx->tx_msg.ksm_zc_cookies[0]) {
 		/* Zero copy is enabled */
 		struct sock *sk = sock->sk;
-		struct page *page = kiov->kiov_page;
-		int offset = kiov->kiov_offset;
-		int fragsize = kiov->kiov_len;
+		struct page *page = kiov->bv_page;
+		int offset = kiov->bv_offset;
+		int fragsize = kiov->bv_len;
 		int msgflg = MSG_DONTWAIT;
 
 		CDEBUG(D_NET, "page %p + offset %x for %d\n",
-		       page, offset, kiov->kiov_len);
+		       page, offset, kiov->bv_len);
 
 		if (!list_empty(&conn->ksnc_tx_queue) ||
 		    fragsize < tx->tx_resid)
@@ -165,9 +165,9 @@ ksocknal_lib_send_kiov(struct ksock_conn *conn, struct ksock_tx *tx)
 		int i;
 
 		for (nob = i = 0; i < niov; i++) {
-			scratchiov[i].iov_base = kmap(kiov[i].kiov_page) +
-						 kiov[i].kiov_offset;
-			nob += scratchiov[i].iov_len = kiov[i].kiov_len;
+			scratchiov[i].iov_base = kmap(kiov[i].bv_page) +
+						 kiov[i].bv_offset;
+			nob += scratchiov[i].iov_len = kiov[i].bv_len;
 		}
 
 		if (!list_empty(&conn->ksnc_tx_queue) ||
@@ -177,7 +177,7 @@ ksocknal_lib_send_kiov(struct ksock_conn *conn, struct ksock_tx *tx)
 		rc = kernel_sendmsg(sock, &msg, (struct kvec *)scratchiov, niov, nob);
 
 		for (i = 0; i < niov; i++)
-			kunmap(kiov[i].kiov_page);
+			kunmap(kiov[i].bv_page);
 	}
 	return rc;
 }
@@ -262,7 +262,6 @@ ksocknal_lib_recv_iov(struct ksock_conn *conn)
 int
 ksocknal_lib_recv_kiov(struct ksock_conn *conn)
 {
-	struct bio_vec *bv = conn->ksnc_scheduler->kss_scratch_bvec;
 	unsigned int niov = conn->ksnc_rx_nkiov;
 	lnet_kiov_t   *kiov = conn->ksnc_rx_kiov;
 	struct msghdr msg = {
@@ -274,33 +273,28 @@ ksocknal_lib_recv_kiov(struct ksock_conn *conn)
 	void *base;
 	int sum;
 	int fragnob;
-	int n;
 
-	for (nob = i = 0; i < niov; i++) {
-		nob += bv[i].bv_len = kiov[i].kiov_len;
-		bv[i].bv_page = kiov[i].kiov_page;
-		bv[i].bv_offset = kiov[i].kiov_offset;
-	}
-	n = niov;
+	for (nob = i = 0; i < niov; i++)
+		nob += kiov[i].bv_len;
 
 	LASSERT(nob <= conn->ksnc_rx_nob_wanted);
 
-	iov_iter_bvec(&msg.msg_iter, READ | ITER_BVEC, bv, n, nob);
+	iov_iter_bvec(&msg.msg_iter, READ | ITER_BVEC, kiov, niov, nob);
 	rc = sock_recvmsg(conn->ksnc_sock, &msg, MSG_DONTWAIT);
 
 	if (conn->ksnc_msg.ksm_csum) {
 		for (i = 0, sum = rc; sum > 0; i++, sum -= fragnob) {
 			LASSERT(i < niov);
 
-			base = kmap(kiov[i].kiov_page) + kiov[i].kiov_offset;
-			fragnob = kiov[i].kiov_len;
+			base = kmap(kiov[i].bv_page) + kiov[i].bv_offset;
+			fragnob = kiov[i].bv_len;
 			if (fragnob > sum)
 				fragnob = sum;
 
 			conn->ksnc_rx_csum = ksocknal_csum(conn->ksnc_rx_csum,
 							   base, fragnob);
 
-			kunmap(kiov[i].kiov_page);
+			kunmap(kiov[i].bv_page);
 		}
 	}
 	return rc;
@@ -324,12 +318,12 @@ ksocknal_lib_csum_tx(struct ksock_tx *tx)
 
 	if (tx->tx_kiov) {
 		for (i = 0; i < tx->tx_nkiov; i++) {
-			base = kmap(tx->tx_kiov[i].kiov_page) +
-			       tx->tx_kiov[i].kiov_offset;
+			base = kmap(tx->tx_kiov[i].bv_page) +
+			       tx->tx_kiov[i].bv_offset;
 
-			csum = ksocknal_csum(csum, base, tx->tx_kiov[i].kiov_len);
+			csum = ksocknal_csum(csum, base, tx->tx_kiov[i].bv_len);
 
-			kunmap(tx->tx_kiov[i].kiov_page);
+			kunmap(tx->tx_kiov[i].bv_page);
 		}
 	} else {
 		for (i = 1; i < tx->tx_niov; i++)
diff --git a/drivers/staging/lustre/lnet/lnet/lib-md.c b/drivers/staging/lustre/lnet/lnet/lib-md.c
index 1834bf7..e0b2f16 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-md.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-md.c
@@ -134,11 +134,11 @@ lnet_md_build(lnet_libmd_t *lmd, lnet_md_t *umd, int unlink)
 
 		for (i = 0; i < (int)niov; i++) {
 			/* We take the page pointer on trust */
-			if (lmd->md_iov.kiov[i].kiov_offset +
-			    lmd->md_iov.kiov[i].kiov_len > PAGE_SIZE)
+			if (lmd->md_iov.kiov[i].bv_offset +
+			    lmd->md_iov.kiov[i].bv_len > PAGE_SIZE)
 				return -EINVAL; /* invalid length */
 
-			total_length += lmd->md_iov.kiov[i].kiov_len;
+			total_length += lmd->md_iov.kiov[i].bv_len;
 		}
 
 		lmd->md_length = total_length;
diff --git a/drivers/staging/lustre/lnet/lnet/lib-move.c b/drivers/staging/lustre/lnet/lnet/lib-move.c
index e6d3b80..6a3f2e1 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-move.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-move.c
@@ -280,7 +280,7 @@ lnet_kiov_nob(unsigned int niov, lnet_kiov_t *kiov)
 
 	LASSERT(!niov || kiov);
 	while (niov-- > 0)
-		nob += (kiov++)->kiov_len;
+		nob += (kiov++)->bv_len;
 
 	return nob;
 }
@@ -302,16 +302,16 @@ lnet_copy_kiov2kiov(unsigned int ndiov, lnet_kiov_t *diov, unsigned int doffset,
 	LASSERT(!in_interrupt());
 
 	LASSERT(ndiov > 0);
-	while (doffset >= diov->kiov_len) {
-		doffset -= diov->kiov_len;
+	while (doffset >= diov->bv_len) {
+		doffset -= diov->bv_len;
 		diov++;
 		ndiov--;
 		LASSERT(ndiov > 0);
 	}
 
 	LASSERT(nsiov > 0);
-	while (soffset >= siov->kiov_len) {
-		soffset -= siov->kiov_len;
+	while (soffset >= siov->bv_len) {
+		soffset -= siov->bv_len;
 		siov++;
 		nsiov--;
 		LASSERT(nsiov > 0);
@@ -320,16 +320,16 @@ lnet_copy_kiov2kiov(unsigned int ndiov, lnet_kiov_t *diov, unsigned int doffset,
 	do {
 		LASSERT(ndiov > 0);
 		LASSERT(nsiov > 0);
-		this_nob = min(diov->kiov_len - doffset,
-			       siov->kiov_len - soffset);
+		this_nob = min(diov->bv_len - doffset,
+			       siov->bv_len - soffset);
 		this_nob = min(this_nob, nob);
 
 		if (!daddr)
-			daddr = ((char *)kmap(diov->kiov_page)) +
-				diov->kiov_offset + doffset;
+			daddr = ((char *)kmap(diov->bv_page)) +
+				diov->bv_offset + doffset;
 		if (!saddr)
-			saddr = ((char *)kmap(siov->kiov_page)) +
-				siov->kiov_offset + soffset;
+			saddr = ((char *)kmap(siov->bv_page)) +
+				siov->bv_offset + soffset;
 
 		/*
 		 * Vanishing risk of kmap deadlock when mapping 2 pages.
@@ -339,22 +339,22 @@ lnet_copy_kiov2kiov(unsigned int ndiov, lnet_kiov_t *diov, unsigned int doffset,
 		memcpy(daddr, saddr, this_nob);
 		nob -= this_nob;
 
-		if (diov->kiov_len > doffset + this_nob) {
+		if (diov->bv_len > doffset + this_nob) {
 			daddr += this_nob;
 			doffset += this_nob;
 		} else {
-			kunmap(diov->kiov_page);
+			kunmap(diov->bv_page);
 			daddr = NULL;
 			diov++;
 			ndiov--;
 			doffset = 0;
 		}
 
-		if (siov->kiov_len > soffset + this_nob) {
+		if (siov->bv_len > soffset + this_nob) {
 			saddr += this_nob;
 			soffset += this_nob;
 		} else {
-			kunmap(siov->kiov_page);
+			kunmap(siov->bv_page);
 			saddr = NULL;
 			siov++;
 			nsiov--;
@@ -363,9 +363,9 @@ lnet_copy_kiov2kiov(unsigned int ndiov, lnet_kiov_t *diov, unsigned int doffset,
 	} while (nob > 0);
 
 	if (daddr)
-		kunmap(diov->kiov_page);
+		kunmap(diov->bv_page);
 	if (saddr)
-		kunmap(siov->kiov_page);
+		kunmap(siov->bv_page);
 }
 EXPORT_SYMBOL(lnet_copy_kiov2kiov);
 
@@ -392,8 +392,8 @@ lnet_copy_kiov2iov(unsigned int niov, struct kvec *iov, unsigned int iovoffset,
 	}
 
 	LASSERT(nkiov > 0);
-	while (kiovoffset >= kiov->kiov_len) {
-		kiovoffset -= kiov->kiov_len;
+	while (kiovoffset >= kiov->bv_len) {
+		kiovoffset -= kiov->bv_len;
 		kiov++;
 		nkiov--;
 		LASSERT(nkiov > 0);
@@ -403,12 +403,12 @@ lnet_copy_kiov2iov(unsigned int niov, struct kvec *iov, unsigned int iovoffset,
 		LASSERT(niov > 0);
 		LASSERT(nkiov > 0);
 		this_nob = min(iov->iov_len - iovoffset,
-			       (__kernel_size_t)kiov->kiov_len - kiovoffset);
+			       (__kernel_size_t)kiov->bv_len - kiovoffset);
 		this_nob = min(this_nob, nob);
 
 		if (!addr)
-			addr = ((char *)kmap(kiov->kiov_page)) +
-				kiov->kiov_offset + kiovoffset;
+			addr = ((char *)kmap(kiov->bv_page)) +
+				kiov->bv_offset + kiovoffset;
 
 		memcpy((char *)iov->iov_base + iovoffset, addr, this_nob);
 		nob -= this_nob;
@@ -421,11 +421,11 @@ lnet_copy_kiov2iov(unsigned int niov, struct kvec *iov, unsigned int iovoffset,
 			iovoffset = 0;
 		}
 
-		if (kiov->kiov_len > kiovoffset + this_nob) {
+		if (kiov->bv_len > kiovoffset + this_nob) {
 			addr += this_nob;
 			kiovoffset += this_nob;
 		} else {
-			kunmap(kiov->kiov_page);
+			kunmap(kiov->bv_page);
 			addr = NULL;
 			kiov++;
 			nkiov--;
@@ -435,7 +435,7 @@ lnet_copy_kiov2iov(unsigned int niov, struct kvec *iov, unsigned int iovoffset,
 	} while (nob > 0);
 
 	if (addr)
-		kunmap(kiov->kiov_page);
+		kunmap(kiov->bv_page);
 }
 EXPORT_SYMBOL(lnet_copy_kiov2iov);
 
@@ -455,8 +455,8 @@ lnet_copy_iov2kiov(unsigned int nkiov, lnet_kiov_t *kiov,
 	LASSERT(!in_interrupt());
 
 	LASSERT(nkiov > 0);
-	while (kiovoffset >= kiov->kiov_len) {
-		kiovoffset -= kiov->kiov_len;
+	while (kiovoffset >= kiov->bv_len) {
+		kiovoffset -= kiov->bv_len;
 		kiov++;
 		nkiov--;
 		LASSERT(nkiov > 0);
@@ -473,22 +473,22 @@ lnet_copy_iov2kiov(unsigned int nkiov, lnet_kiov_t *kiov,
 	do {
 		LASSERT(nkiov > 0);
 		LASSERT(niov > 0);
-		this_nob = min((__kernel_size_t)kiov->kiov_len - kiovoffset,
+		this_nob = min((__kernel_size_t)kiov->bv_len - kiovoffset,
 			       iov->iov_len - iovoffset);
 		this_nob = min(this_nob, nob);
 
 		if (!addr)
-			addr = ((char *)kmap(kiov->kiov_page)) +
-				kiov->kiov_offset + kiovoffset;
+			addr = ((char *)kmap(kiov->bv_page)) +
+				kiov->bv_offset + kiovoffset;
 
 		memcpy(addr, (char *)iov->iov_base + iovoffset, this_nob);
 		nob -= this_nob;
 
-		if (kiov->kiov_len > kiovoffset + this_nob) {
+		if (kiov->bv_len > kiovoffset + this_nob) {
 			addr += this_nob;
 			kiovoffset += this_nob;
 		} else {
-			kunmap(kiov->kiov_page);
+			kunmap(kiov->bv_page);
 			addr = NULL;
 			kiov++;
 			nkiov--;
@@ -505,7 +505,7 @@ lnet_copy_iov2kiov(unsigned int nkiov, lnet_kiov_t *kiov,
 	} while (nob > 0);
 
 	if (addr)
-		kunmap(kiov->kiov_page);
+		kunmap(kiov->bv_page);
 }
 EXPORT_SYMBOL(lnet_copy_iov2kiov);
 
@@ -526,8 +526,8 @@ lnet_extract_kiov(int dst_niov, lnet_kiov_t *dst,
 		return 0;		     /* no frags */
 
 	LASSERT(src_niov > 0);
-	while (offset >= src->kiov_len) {      /* skip initial frags */
-		offset -= src->kiov_len;
+	while (offset >= src->bv_len) {      /* skip initial frags */
+		offset -= src->bv_len;
 		src_niov--;
 		src++;
 		LASSERT(src_niov > 0);
@@ -538,19 +538,19 @@ lnet_extract_kiov(int dst_niov, lnet_kiov_t *dst,
 		LASSERT(src_niov > 0);
 		LASSERT((int)niov <= dst_niov);
 
-		frag_len = src->kiov_len - offset;
-		dst->kiov_page = src->kiov_page;
-		dst->kiov_offset = src->kiov_offset + offset;
+		frag_len = src->bv_len - offset;
+		dst->bv_page = src->bv_page;
+		dst->bv_offset = src->bv_offset + offset;
 
 		if (len <= frag_len) {
-			dst->kiov_len = len;
-			LASSERT(dst->kiov_offset + dst->kiov_len
+			dst->bv_len = len;
+			LASSERT(dst->bv_offset + dst->bv_len
 					<= PAGE_SIZE);
 			return niov;
 		}
 
-		dst->kiov_len = frag_len;
-		LASSERT(dst->kiov_offset + dst->kiov_len <= PAGE_SIZE);
+		dst->bv_len = frag_len;
+		LASSERT(dst->bv_offset + dst->bv_len <= PAGE_SIZE);
 
 		len -= frag_len;
 		dst++;
diff --git a/drivers/staging/lustre/lnet/lnet/router.c b/drivers/staging/lustre/lnet/lnet/router.c
index 0635432..69819c9 100644
--- a/drivers/staging/lustre/lnet/lnet/router.c
+++ b/drivers/staging/lustre/lnet/lnet/router.c
@@ -1307,7 +1307,7 @@ lnet_destroy_rtrbuf(lnet_rtrbuf_t *rb, int npages)
 	int sz = offsetof(lnet_rtrbuf_t, rb_kiov[npages]);
 
 	while (--npages >= 0)
-		__free_page(rb->rb_kiov[npages].kiov_page);
+		__free_page(rb->rb_kiov[npages].bv_page);
 
 	LIBCFS_FREE(rb, sz);
 }
@@ -1333,15 +1333,15 @@ lnet_new_rtrbuf(lnet_rtrbufpool_t *rbp, int cpt)
 				GFP_KERNEL | __GFP_ZERO, 0);
 		if (!page) {
 			while (--i >= 0)
-				__free_page(rb->rb_kiov[i].kiov_page);
+				__free_page(rb->rb_kiov[i].bv_page);
 
 			LIBCFS_FREE(rb, sz);
 			return NULL;
 		}
 
-		rb->rb_kiov[i].kiov_len = PAGE_SIZE;
-		rb->rb_kiov[i].kiov_offset = 0;
-		rb->rb_kiov[i].kiov_page = page;
+		rb->rb_kiov[i].bv_len = PAGE_SIZE;
+		rb->rb_kiov[i].bv_offset = 0;
+		rb->rb_kiov[i].bv_page = page;
 	}
 
 	return rb;
diff --git a/drivers/staging/lustre/lnet/selftest/brw_test.c b/drivers/staging/lustre/lnet/selftest/brw_test.c
index 13d0454..b20c5d3 100644
--- a/drivers/staging/lustre/lnet/selftest/brw_test.c
+++ b/drivers/staging/lustre/lnet/selftest/brw_test.c
@@ -226,7 +226,7 @@ brw_fill_bulk(struct srpc_bulk *bk, int pattern, __u64 magic)
 	struct page *pg;
 
 	for (i = 0; i < bk->bk_niov; i++) {
-		pg = bk->bk_iovs[i].kiov_page;
+		pg = bk->bk_iovs[i].bv_page;
 		brw_fill_page(pg, pattern, magic);
 	}
 }
@@ -238,7 +238,7 @@ brw_check_bulk(struct srpc_bulk *bk, int pattern, __u64 magic)
 	struct page *pg;
 
 	for (i = 0; i < bk->bk_niov; i++) {
-		pg = bk->bk_iovs[i].kiov_page;
+		pg = bk->bk_iovs[i].bv_page;
 		if (brw_check_page(pg, pattern, magic)) {
 			CERROR("Bulk page %p (%d/%d) is corrupted!\n",
 			       pg, i, bk->bk_niov);
diff --git a/drivers/staging/lustre/lnet/selftest/conrpc.c b/drivers/staging/lustre/lnet/selftest/conrpc.c
index 1be3cad..55afb53 100644
--- a/drivers/staging/lustre/lnet/selftest/conrpc.c
+++ b/drivers/staging/lustre/lnet/selftest/conrpc.c
@@ -152,10 +152,10 @@ lstcon_rpc_put(struct lstcon_rpc *crpc)
 	LASSERT(list_empty(&crpc->crp_link));
 
 	for (i = 0; i < bulk->bk_niov; i++) {
-		if (!bulk->bk_iovs[i].kiov_page)
+		if (!bulk->bk_iovs[i].bv_page)
 			continue;
 
-		__free_page(bulk->bk_iovs[i].kiov_page);
+		__free_page(bulk->bk_iovs[i].bv_page);
 	}
 
 	srpc_client_rpc_decref(crpc->crp_rpc);
@@ -705,7 +705,7 @@ lstcon_next_id(int idx, int nkiov, lnet_kiov_t *kiov)
 
 	LASSERT(i < nkiov);
 
-	pid = (lnet_process_id_packed_t *)page_address(kiov[i].kiov_page);
+	pid = (lnet_process_id_packed_t *)page_address(kiov[i].bv_page);
 
 	return &pid[idx % SFW_ID_PER_PAGE];
 }
@@ -849,12 +849,11 @@ lstcon_testrpc_prep(struct lstcon_node *nd, int transop, unsigned feats,
 			      min_t(int, nob, PAGE_SIZE);
 			nob -= len;
 
-			bulk->bk_iovs[i].kiov_offset = 0;
-			bulk->bk_iovs[i].kiov_len = len;
-			bulk->bk_iovs[i].kiov_page =
-				alloc_page(GFP_KERNEL);
+			bulk->bk_iovs[i].bv_offset = 0;
+			bulk->bk_iovs[i].bv_len = len;
+			bulk->bk_iovs[i].bv_page = alloc_page(GFP_KERNEL);
 
-			if (!bulk->bk_iovs[i].kiov_page) {
+			if (!bulk->bk_iovs[i].bv_page) {
 				lstcon_rpc_put(*crpc);
 				return -ENOMEM;
 			}
diff --git a/drivers/staging/lustre/lnet/selftest/framework.c b/drivers/staging/lustre/lnet/selftest/framework.c
index c2f121f..abbd628 100644
--- a/drivers/staging/lustre/lnet/selftest/framework.c
+++ b/drivers/staging/lustre/lnet/selftest/framework.c
@@ -784,8 +784,8 @@ sfw_add_test_instance(struct sfw_batch *tsb, struct srpc_server_rpc *rpc)
 		lnet_process_id_packed_t id;
 		int j;
 
-		dests = page_address(bk->bk_iovs[i / SFW_ID_PER_PAGE].kiov_page);
-		LASSERT(dests);		/* my pages are within KVM always */
+		dests = page_address(bk->bk_iovs[i / SFW_ID_PER_PAGE].bv_page);
+		LASSERT(dests);  /* my pages are within KVM always */
 		id = dests[i % SFW_ID_PER_PAGE];
 		if (msg->msg_magic != SRPC_MSG_MAGIC)
 			sfw_unpack_id(id);
diff --git a/drivers/staging/lustre/lnet/selftest/rpc.c b/drivers/staging/lustre/lnet/selftest/rpc.c
index 3b26d6e..f5619d8 100644
--- a/drivers/staging/lustre/lnet/selftest/rpc.c
+++ b/drivers/staging/lustre/lnet/selftest/rpc.c
@@ -91,9 +91,9 @@ srpc_add_bulk_page(struct srpc_bulk *bk, struct page *pg, int i, int nob)
 	LASSERT(nob > 0);
 	LASSERT(i >= 0 && i < bk->bk_niov);
 
-	bk->bk_iovs[i].kiov_offset = 0;
-	bk->bk_iovs[i].kiov_page = pg;
-	bk->bk_iovs[i].kiov_len = nob;
+	bk->bk_iovs[i].bv_offset = 0;
+	bk->bk_iovs[i].bv_page = pg;
+	bk->bk_iovs[i].bv_len = nob;
 	return nob;
 }
 
@@ -106,7 +106,7 @@ srpc_free_bulk(struct srpc_bulk *bk)
 	LASSERT(bk);
 
 	for (i = 0; i < bk->bk_niov; i++) {
-		pg = bk->bk_iovs[i].kiov_page;
+		pg = bk->bk_iovs[i].bv_page;
 		if (!pg)
 			break;
 
diff --git a/drivers/staging/lustre/lustre/osc/osc_cache.c b/drivers/staging/lustre/lustre/osc/osc_cache.c
index d1a7d6b..bad49e0 100644
--- a/drivers/staging/lustre/lustre/osc/osc_cache.c
+++ b/drivers/staging/lustre/lustre/osc/osc_cache.c
@@ -1864,7 +1864,7 @@ void osc_dec_unstable_pages(struct ptlrpc_request *req)
 	LASSERT(page_count >= 0);
 
 	for (i = 0; i < page_count; i++)
-		dec_zone_page_state(desc->bd_iov[i].kiov_page, NR_UNSTABLE_NFS);
+		dec_zone_page_state(desc->bd_iov[i].bv_page, NR_UNSTABLE_NFS);
 
 	atomic_sub(page_count, &cli->cl_cache->ccc_unstable_nr);
 	LASSERT(atomic_read(&cli->cl_cache->ccc_unstable_nr) >= 0);
@@ -1898,7 +1898,7 @@ void osc_inc_unstable_pages(struct ptlrpc_request *req)
 	LASSERT(page_count >= 0);
 
 	for (i = 0; i < page_count; i++)
-		inc_zone_page_state(desc->bd_iov[i].kiov_page, NR_UNSTABLE_NFS);
+		inc_zone_page_state(desc->bd_iov[i].bv_page, NR_UNSTABLE_NFS);
 
 	LASSERT(atomic_read(&cli->cl_cache->ccc_unstable_nr) >= 0);
 	atomic_add(page_count, &cli->cl_cache->ccc_unstable_nr);
diff --git a/drivers/staging/lustre/lustre/ptlrpc/client.c b/drivers/staging/lustre/lustre/ptlrpc/client.c
index d4463d7..549c62c 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/client.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/client.c
@@ -202,7 +202,7 @@ void __ptlrpc_free_bulk(struct ptlrpc_bulk_desc *desc, int unpin)
 
 	if (unpin) {
 		for (i = 0; i < desc->bd_iov_count; i++)
-			put_page(desc->bd_iov[i].kiov_page);
+			put_page(desc->bd_iov[i].bv_page);
 	}
 
 	kfree(desc);
diff --git a/drivers/staging/lustre/lustre/ptlrpc/pers.c b/drivers/staging/lustre/lustre/ptlrpc/pers.c
index 6c820e9..5b9fb11 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/pers.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/pers.c
@@ -64,9 +64,9 @@ void ptlrpc_add_bulk_page(struct ptlrpc_bulk_desc *desc, struct page *page,
 {
 	lnet_kiov_t *kiov = &desc->bd_iov[desc->bd_iov_count];
 
-	kiov->kiov_page = page;
-	kiov->kiov_offset = pageoffset;
-	kiov->kiov_len = len;
+	kiov->bv_page = page;
+	kiov->bv_offset = pageoffset;
+	kiov->bv_len = len;
 
 	desc->bd_iov_count++;
 }
diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c b/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c
index 5f4d797..bb00185 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c
@@ -326,12 +326,12 @@ void sptlrpc_enc_pool_put_pages(struct ptlrpc_bulk_desc *desc)
 	LASSERT(page_pools.epp_pools[p_idx]);
 
 	for (i = 0; i < desc->bd_iov_count; i++) {
-		LASSERT(desc->bd_enc_iov[i].kiov_page);
+		LASSERT(desc->bd_enc_iov[i].bv_page);
 		LASSERT(g_idx != 0 || page_pools.epp_pools[p_idx]);
 		LASSERT(!page_pools.epp_pools[p_idx][g_idx]);
 
 		page_pools.epp_pools[p_idx][g_idx] =
-					desc->bd_enc_iov[i].kiov_page;
+					desc->bd_enc_iov[i].bv_page;
 
 		if (++g_idx == PAGES_PER_POOL) {
 			p_idx++;
@@ -522,9 +522,9 @@ int sptlrpc_get_bulk_checksum(struct ptlrpc_bulk_desc *desc, __u8 alg,
 	hashsize = cfs_crypto_hash_digestsize(cfs_hash_alg_id[alg]);
 
 	for (i = 0; i < desc->bd_iov_count; i++) {
-		cfs_crypto_hash_update_page(hdesc, desc->bd_iov[i].kiov_page,
-				  desc->bd_iov[i].kiov_offset & ~PAGE_MASK,
-				  desc->bd_iov[i].kiov_len);
+		cfs_crypto_hash_update_page(hdesc, desc->bd_iov[i].bv_page,
+				  desc->bd_iov[i].bv_offset & ~PAGE_MASK,
+				  desc->bd_iov[i].bv_len);
 	}
 
 	if (hashsize > buflen) {
diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c b/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c
index 5c4590b..8322550 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c
@@ -154,13 +154,13 @@ static void corrupt_bulk_data(struct ptlrpc_bulk_desc *desc)
 	unsigned int off, i;
 
 	for (i = 0; i < desc->bd_iov_count; i++) {
-		if (desc->bd_iov[i].kiov_len == 0)
+		if (desc->bd_iov[i].bv_len == 0)
 			continue;
 
-		ptr = kmap(desc->bd_iov[i].kiov_page);
-		off = desc->bd_iov[i].kiov_offset & ~PAGE_MASK;
+		ptr = kmap(desc->bd_iov[i].bv_page);
+		off = desc->bd_iov[i].bv_offset & ~PAGE_MASK;
 		ptr[off] ^= 0x1;
-		kunmap(desc->bd_iov[i].kiov_page);
+		kunmap(desc->bd_iov[i].bv_page);
 		return;
 	}
 }
@@ -349,11 +349,11 @@ int plain_cli_unwrap_bulk(struct ptlrpc_cli_ctx *ctx,
 
 	/* fix the actual data size */
 	for (i = 0, nob = 0; i < desc->bd_iov_count; i++) {
-		if (desc->bd_iov[i].kiov_len + nob > desc->bd_nob_transferred) {
-			desc->bd_iov[i].kiov_len =
+		if (desc->bd_iov[i].bv_len + nob > desc->bd_nob_transferred) {
+			desc->bd_iov[i].bv_len =
 				desc->bd_nob_transferred - nob;
 		}
-		nob += desc->bd_iov[i].kiov_len;
+		nob += desc->bd_iov[i].bv_len;
 	}
 
 	rc = plain_verify_bulk_csum(desc, req->rq_flvr.u_bulk.hash.hash_alg,
-- 
2.7.4

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