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

From: Oleg Drokin
Date: Sat Jul 23 2016 - 02:41:12 EST

From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

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