-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#if !defined(__REQ_LAYOUT_USER__)
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_RPC
#ifdef __KERNEL__
&RMF_MGS_SEND_PARAM
};
+static const struct req_msg_field *mgs_config_read_client[] = {
+ &RMF_PTLRPC_BODY,
+ &RMF_MGS_CONFIG_BODY
+};
+
+static const struct req_msg_field *mgs_config_read_server[] = {
+ &RMF_PTLRPC_BODY,
+ &RMF_MGS_CONFIG_RES
+};
+
static const struct req_msg_field *log_cancel_client[] = {
&RMF_PTLRPC_BODY,
&RMF_LOGCOOKIES
&RQF_SEC_CTX,
&RQF_MGS_TARGET_REG,
&RQF_MGS_SET_INFO,
+ &RQF_MGS_CONFIG_READ,
&RQF_SEQ_QUERY,
&RQF_FLD_QUERY,
&RQF_MDS_CONNECT,
NULL, NULL);
EXPORT_SYMBOL(RMF_MGS_SEND_PARAM);
+struct req_msg_field RMF_MGS_CONFIG_BODY =
+ DEFINE_MSGF("mgs_config_read request", 0,
+ sizeof(struct mgs_config_body),
+ lustre_swab_mgs_config_body, NULL);
+EXPORT_SYMBOL(RMF_MGS_CONFIG_BODY);
+
+struct req_msg_field RMF_MGS_CONFIG_RES =
+ DEFINE_MSGF("mgs_config_read reply ", 0,
+ sizeof(struct mgs_config_res),
+ lustre_swab_mgs_config_res, NULL);
+EXPORT_SYMBOL(RMF_MGS_CONFIG_RES);
+
+struct req_msg_field RMF_U32 =
+ DEFINE_MSGF("generic u32", 0,
+ sizeof(__u32), lustre_swab_generic_32s, NULL);
+EXPORT_SYMBOL(RMF_U32);
+
struct req_msg_field RMF_SETINFO_VAL =
DEFINE_MSGF("setinfo_val", 0, -1, NULL, NULL);
EXPORT_SYMBOL(RMF_SETINFO_VAL);
struct req_msg_field RMF_CONNECT_DATA =
DEFINE_MSGF("cdata",
RMF_F_NO_SIZE_CHECK /* we allow extra space for interop */,
- sizeof(struct obd_connect_data), lustre_swab_connect, NULL);
+#if LUSTRE_VERSION_CODE > OBD_OCD_VERSION(2, 9, 0, 0)
+ sizeof(struct obd_connect_data),
+#else
+/* For interoperability with 1.8 and 2.0 clients/servers.
+ * The RPC verification code allows larger RPC buffers, but not
+ * smaller buffers. Until we no longer need to keep compatibility
+ * with older servers/clients we can only check that the buffer
+ * size is at least as large as obd_connect_data_v1. That is not
+ * not in itself harmful, since the chance of just corrupting this
+ * field is low. See JIRA LU-16 for details. */
+ sizeof(struct obd_connect_data_v1),
+#endif
+ lustre_swab_connect, NULL);
EXPORT_SYMBOL(RMF_CONNECT_DATA);
struct req_msg_field RMF_DLM_REQ =
EXPORT_SYMBOL(RMF_LDLM_INTENT);
struct req_msg_field RMF_DLM_LVB =
- DEFINE_MSGF("dlm_lvb", 0, sizeof(struct ost_lvb), lustre_swab_ost_lvb,
+ DEFINE_MSGF("dlm_lvb", 0, sizeof(union ldlm_wire_lvb), lustre_swab_lvb,
NULL);
EXPORT_SYMBOL(RMF_DLM_LVB);
mgs_set_info);
EXPORT_SYMBOL(RQF_MGS_SET_INFO);
+struct req_format RQF_MGS_CONFIG_READ =
+ DEFINE_REQ_FMT0("MGS_CONFIG_READ", mgs_config_read_client,
+ mgs_config_read_server);
+EXPORT_SYMBOL(RQF_MGS_CONFIG_READ);
+
struct req_format RQF_SEQ_QUERY =
DEFINE_REQ_FMT0("SEQ_QUERY", seq_query_client, seq_query_server);
EXPORT_SYMBOL(RQF_SEQ_QUERY);
}
EXPORT_SYMBOL(req_capsule_shrink);
+int req_capsule_server_grow(struct req_capsule *pill,
+ const struct req_msg_field *field,
+ unsigned int newlen)
+{
+ struct ptlrpc_reply_state *rs = pill->rc_req->rq_reply_state, *nrs;
+ char *from, *to;
+ int offset, len, rc;
+
+ LASSERT(pill->rc_fmt != NULL);
+ LASSERT(__req_format_is_sane(pill->rc_fmt));
+ LASSERT(req_capsule_has_field(pill, field, RCL_SERVER));
+ LASSERT(req_capsule_field_present(pill, field, RCL_SERVER));
+
+ len = req_capsule_get_size(pill, field, RCL_SERVER);
+ offset = __req_capsule_offset(pill, field, RCL_SERVER);
+ if (pill->rc_req->rq_repbuf_len >=
+ lustre_packed_msg_size(pill->rc_req->rq_repmsg) - len + newlen)
+ CERROR("Inplace repack might be done\n");
+
+ pill->rc_req->rq_reply_state = NULL;
+ req_capsule_set_size(pill, field, RCL_SERVER, newlen);
+ rc = req_capsule_server_pack(pill);
+ if (rc) {
+ /* put old rs back, the caller will decide what to do */
+ pill->rc_req->rq_reply_state = rs;
+ return rc;
+ }
+ nrs = pill->rc_req->rq_reply_state;
+ /* Now we need only buffers, copy first chunk */
+ to = lustre_msg_buf(nrs->rs_msg, 0, 0);
+ from = lustre_msg_buf(rs->rs_msg, 0, 0);
+ len = (char *)lustre_msg_buf(rs->rs_msg, offset, 0) - from;
+ memcpy(to, from, len);
+ /* check if we have tail and copy it too */
+ if (rs->rs_msg->lm_bufcount > offset + 1) {
+ to = lustre_msg_buf(nrs->rs_msg, offset + 1, 0);
+ from = lustre_msg_buf(rs->rs_msg, offset + 1, 0);
+ offset = rs->rs_msg->lm_bufcount - 1;
+ len = (char *)lustre_msg_buf(rs->rs_msg, offset, 0) +
+ cfs_size_round(rs->rs_msg->lm_buflens[offset]) - from;
+ memcpy(to, from, len);
+ }
+ /* drop old reply if everything is fine */
+ if (rs->rs_difficult) {
+ /* copy rs data */
+ int i;
+
+ nrs->rs_difficult = 1;
+ nrs->rs_no_ack = rs->rs_no_ack;
+ for (i = 0; i < rs->rs_nlocks; i++) {
+ nrs->rs_locks[i] = rs->rs_locks[i];
+ nrs->rs_modes[i] = rs->rs_modes[i];
+ nrs->rs_nlocks++;
+ }
+ rs->rs_nlocks = 0;
+ rs->rs_difficult = 0;
+ rs->rs_no_ack = 0;
+ }
+ ptlrpc_rs_decref(rs);
+ return 0;
+}
+EXPORT_SYMBOL(req_capsule_server_grow);
/* __REQ_LAYOUT_USER__ */
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff