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author | Al Viro <viro@zeniv.linux.org.uk> | 2016-08-20 21:34:23 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-21 14:03:38 (GMT) |
commit | c1b7b8eb86583eae68814c4993c916fc61b5e03b (patch) | |
tree | 00a4e25377a4c043505e62d5f45a6f954c243e02 /drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c | |
parent | 03766dca629d03c631417ecdbe1c760f3ec92878 (diff) | |
download | linux-c1b7b8eb86583eae68814c4993c916fc61b5e03b.tar.xz |
lustre: pass iov_iter to ->lnd_recv()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c')
-rw-r--r-- | drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c index 430ff85..ae55418 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c @@ -650,7 +650,7 @@ static int kiblnd_map_tx(lnet_ni_t *ni, struct kib_tx *tx, struct kib_rdma_desc static int kiblnd_setup_rd_iov(lnet_ni_t *ni, struct kib_tx *tx, struct kib_rdma_desc *rd, - unsigned int niov, struct kvec *iov, int offset, int nob) + unsigned int niov, const struct kvec *iov, int offset, int nob) { struct kib_net *net = ni->ni_data; struct page *page; @@ -707,7 +707,7 @@ kiblnd_setup_rd_iov(lnet_ni_t *ni, struct kib_tx *tx, struct kib_rdma_desc *rd, static int kiblnd_setup_rd_kiov(lnet_ni_t *ni, struct kib_tx *tx, struct kib_rdma_desc *rd, - int nkiov, lnet_kiov_t *kiov, int offset, int nob) + int nkiov, const lnet_kiov_t *kiov, int offset, int nob) { struct kib_net *net = ni->ni_data; struct scatterlist *sg; @@ -1711,8 +1711,7 @@ kiblnd_reply(lnet_ni_t *ni, struct kib_rx *rx, lnet_msg_t *lntmsg) int kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed, - unsigned int niov, struct kvec *iov, lnet_kiov_t *kiov, - unsigned int offset, unsigned int mlen, unsigned int rlen) + struct iov_iter *to, unsigned int rlen) { struct kib_rx *rx = private; struct kib_msg *rxmsg = rx->rx_msg; @@ -1722,10 +1721,9 @@ kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed, int post_credit = IBLND_POSTRX_PEER_CREDIT; int rc = 0; - LASSERT(mlen <= rlen); + LASSERT(iov_iter_count(to) <= rlen); LASSERT(!in_interrupt()); /* Either all pages or all vaddrs */ - LASSERT(!(kiov && iov)); switch (rxmsg->ibm_type) { default: @@ -1741,16 +1739,16 @@ kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed, break; } - if (kiov) - lnet_copy_flat2kiov(niov, kiov, offset, + if (to->type & ITER_BVEC) + lnet_copy_flat2kiov(to->nr_segs, to->bvec, to->iov_offset, IBLND_MSG_SIZE, rxmsg, offsetof(struct kib_msg, ibm_u.immediate.ibim_payload), - mlen); + iov_iter_count(to)); else - lnet_copy_flat2iov(niov, iov, offset, + lnet_copy_flat2iov(to->nr_segs, to->kvec, to->iov_offset, IBLND_MSG_SIZE, rxmsg, offsetof(struct kib_msg, ibm_u.immediate.ibim_payload), - mlen); + iov_iter_count(to)); lnet_finalize(ni, lntmsg, 0); break; @@ -1758,7 +1756,7 @@ kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed, struct kib_msg *txmsg; struct kib_rdma_desc *rd; - if (!mlen) { + if (!iov_iter_count(to)) { lnet_finalize(ni, lntmsg, 0); kiblnd_send_completion(rx->rx_conn, IBLND_MSG_PUT_NAK, 0, rxmsg->ibm_u.putreq.ibprm_cookie); @@ -1776,12 +1774,16 @@ kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed, txmsg = tx->tx_msg; rd = &txmsg->ibm_u.putack.ibpam_rd; - if (!kiov) + if (!(to->type & ITER_BVEC)) rc = kiblnd_setup_rd_iov(ni, tx, rd, - niov, iov, offset, mlen); + to->nr_segs, to->kvec, + to->iov_offset, + iov_iter_count(to)); else rc = kiblnd_setup_rd_kiov(ni, tx, rd, - niov, kiov, offset, mlen); + to->nr_segs, to->bvec, + to->iov_offset, + iov_iter_count(to)); if (rc) { CERROR("Can't setup PUT sink for %s: %d\n", libcfs_nid2str(conn->ibc_peer->ibp_nid), rc); |