drbd: Converted drbd_send() from mdev to tconn
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner
Родитель
1a7ba646e9
Коммит
bedbd2a53a
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@ -1159,8 +1159,8 @@ extern void tl_release(struct drbd_conf *mdev, unsigned int barrier_nr,
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extern void tl_clear(struct drbd_conf *mdev);
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extern void _tl_add_barrier(struct drbd_conf *, struct drbd_tl_epoch *);
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extern void drbd_free_sock(struct drbd_conf *mdev);
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extern int drbd_send(struct drbd_conf *mdev, struct socket *sock,
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void *buf, size_t size, unsigned msg_flags);
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extern int drbd_send(struct drbd_tconn *tconn, struct socket *sock,
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void *buf, size_t size, unsigned msg_flags);
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extern int drbd_send_protocol(struct drbd_conf *mdev);
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extern int drbd_send_uuids(struct drbd_conf *mdev);
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extern int drbd_send_uuids_skip_initial_sync(struct drbd_conf *mdev);
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@ -690,7 +690,7 @@ int _drbd_send_cmd(struct drbd_conf *mdev, struct socket *sock,
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prepare_header(mdev, h, cmd, size - sizeof(struct p_header));
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sent = drbd_send(mdev, sock, h, size, msg_flags);
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sent = drbd_send(mdev->tconn, sock, h, size, msg_flags);
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ok = (sent == size);
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if (!ok && !signal_pending(current))
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@ -740,9 +740,9 @@ int drbd_send_cmd2(struct drbd_conf *mdev, enum drbd_packet cmd, char *data,
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return 0;
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ok = (sizeof(h) ==
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drbd_send(mdev, mdev->tconn->data.socket, &h, sizeof(h), 0));
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drbd_send(mdev->tconn, mdev->tconn->data.socket, &h, sizeof(h), 0));
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ok = ok && (size ==
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drbd_send(mdev, mdev->tconn->data.socket, data, size, 0));
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drbd_send(mdev->tconn, mdev->tconn->data.socket, data, size, 0));
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drbd_put_data_sock(mdev);
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@ -1306,8 +1306,8 @@ int drbd_send_drequest_csum(struct drbd_conf *mdev, sector_t sector, int size,
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mutex_lock(&mdev->tconn->data.mutex);
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ok = (sizeof(p) == drbd_send(mdev, mdev->tconn->data.socket, &p, sizeof(p), 0));
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ok = ok && (digest_size == drbd_send(mdev, mdev->tconn->data.socket, digest, digest_size, 0));
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ok = (sizeof(p) == drbd_send(mdev->tconn, mdev->tconn->data.socket, &p, sizeof(p), 0));
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ok = ok && (digest_size == drbd_send(mdev->tconn, mdev->tconn->data.socket, digest, digest_size, 0));
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mutex_unlock(&mdev->tconn->data.mutex);
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@ -1385,7 +1385,7 @@ static void drbd_update_congested(struct drbd_tconn *tconn)
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static int _drbd_no_send_page(struct drbd_conf *mdev, struct page *page,
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int offset, size_t size, unsigned msg_flags)
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{
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int sent = drbd_send(mdev, mdev->tconn->data.socket, kmap(page) + offset, size, msg_flags);
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int sent = drbd_send(mdev->tconn, mdev->tconn->data.socket, kmap(page) + offset, size, msg_flags);
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kunmap(page);
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if (sent == size)
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mdev->send_cnt += size>>9;
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@ -1526,11 +1526,11 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req)
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p.dp_flags = cpu_to_be32(dp_flags);
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set_bit(UNPLUG_REMOTE, &mdev->flags);
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ok = (sizeof(p) ==
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drbd_send(mdev, mdev->tconn->data.socket, &p, sizeof(p), dgs ? MSG_MORE : 0));
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drbd_send(mdev->tconn, mdev->tconn->data.socket, &p, sizeof(p), dgs ? MSG_MORE : 0));
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if (ok && dgs) {
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dgb = mdev->tconn->int_dig_out;
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drbd_csum_bio(mdev, mdev->tconn->integrity_w_tfm, req->master_bio, dgb);
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ok = dgs == drbd_send(mdev, mdev->tconn->data.socket, dgb, dgs, 0);
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ok = dgs == drbd_send(mdev->tconn, mdev->tconn->data.socket, dgb, dgs, 0);
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}
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if (ok) {
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/* For protocol A, we have to memcpy the payload into
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@ -1599,11 +1599,11 @@ int drbd_send_block(struct drbd_conf *mdev, enum drbd_packet cmd,
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if (!drbd_get_data_sock(mdev))
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return 0;
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ok = sizeof(p) == drbd_send(mdev, mdev->tconn->data.socket, &p, sizeof(p), dgs ? MSG_MORE : 0);
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ok = sizeof(p) == drbd_send(mdev->tconn, mdev->tconn->data.socket, &p, sizeof(p), dgs ? MSG_MORE : 0);
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if (ok && dgs) {
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dgb = mdev->tconn->int_dig_out;
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drbd_csum_ee(mdev, mdev->tconn->integrity_w_tfm, peer_req, dgb);
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ok = dgs == drbd_send(mdev, mdev->tconn->data.socket, dgb, dgs, 0);
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ok = dgs == drbd_send(mdev->tconn, mdev->tconn->data.socket, dgb, dgs, 0);
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}
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if (ok)
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ok = _drbd_send_zc_ee(mdev, peer_req);
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@ -1639,7 +1639,7 @@ int drbd_send_oos(struct drbd_conf *mdev, struct drbd_request *req)
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/*
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* you must have down()ed the appropriate [m]sock_mutex elsewhere!
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*/
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int drbd_send(struct drbd_conf *mdev, struct socket *sock,
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int drbd_send(struct drbd_tconn *tconn, struct socket *sock,
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void *buf, size_t size, unsigned msg_flags)
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{
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struct kvec iov;
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@ -1660,9 +1660,9 @@ int drbd_send(struct drbd_conf *mdev, struct socket *sock,
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msg.msg_controllen = 0;
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msg.msg_flags = msg_flags | MSG_NOSIGNAL;
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if (sock == mdev->tconn->data.socket) {
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mdev->tconn->ko_count = mdev->tconn->net_conf->ko_count;
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drbd_update_congested(mdev->tconn);
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if (sock == tconn->data.socket) {
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tconn->ko_count = tconn->net_conf->ko_count;
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drbd_update_congested(tconn);
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}
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do {
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/* STRANGE
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@ -1676,12 +1676,11 @@ int drbd_send(struct drbd_conf *mdev, struct socket *sock,
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*/
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rv = kernel_sendmsg(sock, &msg, &iov, 1, size);
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if (rv == -EAGAIN) {
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if (we_should_drop_the_connection(mdev->tconn, sock))
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if (we_should_drop_the_connection(tconn, sock))
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break;
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else
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continue;
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}
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D_ASSERT(rv != 0);
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if (rv == -EINTR) {
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flush_signals(current);
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rv = 0;
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@ -1693,17 +1692,17 @@ int drbd_send(struct drbd_conf *mdev, struct socket *sock,
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iov.iov_len -= rv;
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} while (sent < size);
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if (sock == mdev->tconn->data.socket)
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clear_bit(NET_CONGESTED, &mdev->tconn->flags);
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if (sock == tconn->data.socket)
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clear_bit(NET_CONGESTED, &tconn->flags);
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if (rv <= 0) {
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if (rv != -EAGAIN) {
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dev_err(DEV, "%s_sendmsg returned %d\n",
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sock == mdev->tconn->meta.socket ? "msock" : "sock",
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rv);
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drbd_force_state(mdev, NS(conn, C_BROKEN_PIPE));
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conn_err(tconn, "%s_sendmsg returned %d\n",
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sock == tconn->meta.socket ? "msock" : "sock",
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rv);
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drbd_force_state(tconn->volume0, NS(conn, C_BROKEN_PIPE));
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} else
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drbd_force_state(mdev, NS(conn, C_TIMEOUT));
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drbd_force_state(tconn->volume0, NS(conn, C_TIMEOUT));
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}
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return sent;
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