2288 lines
58 KiB
C
2288 lines
58 KiB
C
/*
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* GPL HEADER START
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 only,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License version 2 for more details (a copy is included
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* in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; If not, see
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* http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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* GPL HEADER END
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*/
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/*
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* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
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* Use is subject to license terms.
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*
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* Copyright (c) 2011, 2012, Intel Corporation.
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*/
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/*
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* This file is part of Lustre, http://www.lustre.org/
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* Lustre is a trademark of Sun Microsystems, Inc.
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*
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* lustre/ptlrpc/pack_generic.c
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*
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* (Un)packing of OST requests
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*
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* Author: Peter J. Braam <braam@clusterfs.com>
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* Author: Phil Schwan <phil@clusterfs.com>
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* Author: Eric Barton <eeb@clusterfs.com>
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*/
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#define DEBUG_SUBSYSTEM S_RPC
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#include "../../include/linux/libcfs/libcfs.h"
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#include "../include/obd_support.h"
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#include "../include/obd_class.h"
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#include "../include/lustre_net.h"
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#include "../include/obd_cksum.h"
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#include "../include/lustre/ll_fiemap.h"
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#include "ptlrpc_internal.h"
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static inline int lustre_msg_hdr_size_v2(int count)
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{
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return cfs_size_round(offsetof(struct lustre_msg_v2,
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lm_buflens[count]));
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}
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int lustre_msg_hdr_size(__u32 magic, int count)
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{
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switch (magic) {
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case LUSTRE_MSG_MAGIC_V2:
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return lustre_msg_hdr_size_v2(count);
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default:
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LASSERTF(0, "incorrect message magic: %08x\n", magic);
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return -EINVAL;
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}
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}
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EXPORT_SYMBOL(lustre_msg_hdr_size);
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void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
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int index)
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{
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if (inout)
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lustre_set_req_swabbed(req, index);
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else
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lustre_set_rep_swabbed(req, index);
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}
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EXPORT_SYMBOL(ptlrpc_buf_set_swabbed);
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int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
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int index)
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{
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if (inout)
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return (ptlrpc_req_need_swab(req) &&
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!lustre_req_swabbed(req, index));
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else
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return (ptlrpc_rep_need_swab(req) &&
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!lustre_rep_swabbed(req, index));
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}
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EXPORT_SYMBOL(ptlrpc_buf_need_swab);
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/* early reply size */
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int lustre_msg_early_size(void)
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{
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static int size;
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if (!size) {
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/* Always reply old ptlrpc_body_v2 to keep interoperability
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* with the old client (< 2.3) which doesn't have pb_jobid
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* in the ptlrpc_body.
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*
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* XXX Remove this whenever we drop interoperability with such
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* client.
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*/
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__u32 pblen = sizeof(struct ptlrpc_body_v2);
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size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
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}
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return size;
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}
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EXPORT_SYMBOL(lustre_msg_early_size);
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int lustre_msg_size_v2(int count, __u32 *lengths)
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{
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int size;
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int i;
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size = lustre_msg_hdr_size_v2(count);
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for (i = 0; i < count; i++)
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size += cfs_size_round(lengths[i]);
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return size;
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}
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EXPORT_SYMBOL(lustre_msg_size_v2);
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/* This returns the size of the buffer that is required to hold a lustre_msg
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* with the given sub-buffer lengths.
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* NOTE: this should only be used for NEW requests, and should always be
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* in the form of a v2 request. If this is a connection to a v1
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* target then the first buffer will be stripped because the ptlrpc
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* data is part of the lustre_msg_v1 header. b=14043
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*/
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int lustre_msg_size(__u32 magic, int count, __u32 *lens)
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{
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__u32 size[] = { sizeof(struct ptlrpc_body) };
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if (!lens) {
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LASSERT(count == 1);
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lens = size;
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}
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LASSERT(count > 0);
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LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
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switch (magic) {
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case LUSTRE_MSG_MAGIC_V2:
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return lustre_msg_size_v2(count, lens);
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default:
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LASSERTF(0, "incorrect message magic: %08x\n", magic);
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return -EINVAL;
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}
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}
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EXPORT_SYMBOL(lustre_msg_size);
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/* This is used to determine the size of a buffer that was already packed
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* and will correctly handle the different message formats.
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*/
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int lustre_packed_msg_size(struct lustre_msg *msg)
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{
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switch (msg->lm_magic) {
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case LUSTRE_MSG_MAGIC_V2:
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return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
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default:
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CERROR("incorrect message magic: %08x\n", msg->lm_magic);
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return 0;
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}
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}
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EXPORT_SYMBOL(lustre_packed_msg_size);
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void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
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char **bufs)
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{
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char *ptr;
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int i;
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msg->lm_bufcount = count;
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/* XXX: lm_secflvr uninitialized here */
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msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
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for (i = 0; i < count; i++)
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msg->lm_buflens[i] = lens[i];
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if (!bufs)
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return;
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ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
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for (i = 0; i < count; i++) {
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char *tmp = bufs[i];
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LOGL(tmp, lens[i], ptr);
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}
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}
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EXPORT_SYMBOL(lustre_init_msg_v2);
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static int lustre_pack_request_v2(struct ptlrpc_request *req,
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int count, __u32 *lens, char **bufs)
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{
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int reqlen, rc;
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reqlen = lustre_msg_size_v2(count, lens);
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rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
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if (rc)
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return rc;
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req->rq_reqlen = reqlen;
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lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
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lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
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return 0;
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}
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int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
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__u32 *lens, char **bufs)
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{
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__u32 size[] = { sizeof(struct ptlrpc_body) };
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if (!lens) {
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LASSERT(count == 1);
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lens = size;
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}
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LASSERT(count > 0);
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LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
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/* only use new format, we don't need to be compatible with 1.4 */
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return lustre_pack_request_v2(req, count, lens, bufs);
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}
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EXPORT_SYMBOL(lustre_pack_request);
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#if RS_DEBUG
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LIST_HEAD(ptlrpc_rs_debug_lru);
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spinlock_t ptlrpc_rs_debug_lock;
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#define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
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do { \
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spin_lock(&ptlrpc_rs_debug_lock); \
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list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
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spin_unlock(&ptlrpc_rs_debug_lock); \
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} while (0)
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#define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
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do { \
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spin_lock(&ptlrpc_rs_debug_lock); \
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list_del(&(rs)->rs_debug_list); \
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spin_unlock(&ptlrpc_rs_debug_lock); \
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} while (0)
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#else
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# define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while (0)
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# define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while (0)
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#endif
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struct ptlrpc_reply_state *
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lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
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{
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struct ptlrpc_reply_state *rs = NULL;
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spin_lock(&svcpt->scp_rep_lock);
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/* See if we have anything in a pool, and wait if nothing */
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while (list_empty(&svcpt->scp_rep_idle)) {
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struct l_wait_info lwi;
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int rc;
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spin_unlock(&svcpt->scp_rep_lock);
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/* If we cannot get anything for some long time, we better
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* bail out instead of waiting infinitely
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*/
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lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
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rc = l_wait_event(svcpt->scp_rep_waitq,
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!list_empty(&svcpt->scp_rep_idle), &lwi);
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if (rc != 0)
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goto out;
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spin_lock(&svcpt->scp_rep_lock);
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}
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rs = list_entry(svcpt->scp_rep_idle.next,
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struct ptlrpc_reply_state, rs_list);
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list_del(&rs->rs_list);
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spin_unlock(&svcpt->scp_rep_lock);
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memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
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rs->rs_size = svcpt->scp_service->srv_max_reply_size;
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rs->rs_svcpt = svcpt;
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rs->rs_prealloc = 1;
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out:
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return rs;
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}
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void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
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{
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struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
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spin_lock(&svcpt->scp_rep_lock);
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list_add(&rs->rs_list, &svcpt->scp_rep_idle);
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spin_unlock(&svcpt->scp_rep_lock);
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wake_up(&svcpt->scp_rep_waitq);
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}
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int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
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__u32 *lens, char **bufs, int flags)
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{
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struct ptlrpc_reply_state *rs;
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int msg_len, rc;
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LASSERT(!req->rq_reply_state);
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if ((flags & LPRFL_EARLY_REPLY) == 0) {
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spin_lock(&req->rq_lock);
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req->rq_packed_final = 1;
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spin_unlock(&req->rq_lock);
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}
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msg_len = lustre_msg_size_v2(count, lens);
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rc = sptlrpc_svc_alloc_rs(req, msg_len);
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if (rc)
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return rc;
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rs = req->rq_reply_state;
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atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
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rs->rs_cb_id.cbid_fn = reply_out_callback;
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rs->rs_cb_id.cbid_arg = rs;
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rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
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INIT_LIST_HEAD(&rs->rs_exp_list);
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INIT_LIST_HEAD(&rs->rs_obd_list);
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INIT_LIST_HEAD(&rs->rs_list);
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spin_lock_init(&rs->rs_lock);
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req->rq_replen = msg_len;
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req->rq_reply_state = rs;
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req->rq_repmsg = rs->rs_msg;
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lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
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lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
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PTLRPC_RS_DEBUG_LRU_ADD(rs);
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return 0;
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}
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EXPORT_SYMBOL(lustre_pack_reply_v2);
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int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
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char **bufs, int flags)
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{
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int rc = 0;
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__u32 size[] = { sizeof(struct ptlrpc_body) };
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if (!lens) {
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LASSERT(count == 1);
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lens = size;
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}
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LASSERT(count > 0);
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LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
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switch (req->rq_reqmsg->lm_magic) {
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case LUSTRE_MSG_MAGIC_V2:
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rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
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break;
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default:
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LASSERTF(0, "incorrect message magic: %08x\n",
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req->rq_reqmsg->lm_magic);
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rc = -EINVAL;
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}
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if (rc != 0)
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CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
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lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
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return rc;
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}
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EXPORT_SYMBOL(lustre_pack_reply_flags);
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int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
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char **bufs)
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{
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return lustre_pack_reply_flags(req, count, lens, bufs, 0);
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}
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EXPORT_SYMBOL(lustre_pack_reply);
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void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
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{
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int i, offset, buflen, bufcount;
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LASSERT(n >= 0);
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bufcount = m->lm_bufcount;
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if (unlikely(n >= bufcount)) {
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CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
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m, n, bufcount);
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return NULL;
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}
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buflen = m->lm_buflens[n];
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if (unlikely(buflen < min_size)) {
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CERROR("msg %p buffer[%d] size %d too small (required %d, opc=%d)\n",
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m, n, buflen, min_size,
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n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
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return NULL;
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}
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offset = lustre_msg_hdr_size_v2(bufcount);
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for (i = 0; i < n; i++)
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offset += cfs_size_round(m->lm_buflens[i]);
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return (char *)m + offset;
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}
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|
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void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
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{
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switch (m->lm_magic) {
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case LUSTRE_MSG_MAGIC_V2:
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return lustre_msg_buf_v2(m, n, min_size);
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default:
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LASSERTF(0, "incorrect message magic: %08x (msg:%p)\n",
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m->lm_magic, m);
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return NULL;
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}
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}
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EXPORT_SYMBOL(lustre_msg_buf);
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|
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static int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
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unsigned int newlen, int move_data)
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{
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char *tail = NULL, *newpos;
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int tail_len = 0, n;
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LASSERT(msg);
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LASSERT(msg->lm_bufcount > segment);
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LASSERT(msg->lm_buflens[segment] >= newlen);
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if (msg->lm_buflens[segment] == newlen)
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goto out;
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if (move_data && msg->lm_bufcount > segment + 1) {
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tail = lustre_msg_buf_v2(msg, segment + 1, 0);
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for (n = segment + 1; n < msg->lm_bufcount; n++)
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tail_len += cfs_size_round(msg->lm_buflens[n]);
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}
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msg->lm_buflens[segment] = newlen;
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if (tail && tail_len) {
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newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
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LASSERT(newpos <= tail);
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if (newpos != tail)
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memmove(newpos, tail, tail_len);
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}
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out:
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return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
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}
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|
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/*
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* for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
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* we also move data forward from @segment + 1.
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*
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* if @newlen == 0, we remove the segment completely, but we still keep the
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* totally bufcount the same to save possible data moving. this will leave a
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* unused segment with size 0 at the tail, but that's ok.
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*
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* return new msg size after shrinking.
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*
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* CAUTION:
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* + if any buffers higher than @segment has been filled in, must call shrink
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* with non-zero @move_data.
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* + caller should NOT keep pointers to msg buffers which higher than @segment
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* after call shrink.
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*/
|
|
int lustre_shrink_msg(struct lustre_msg *msg, int segment,
|
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unsigned int newlen, int move_data)
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{
|
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switch (msg->lm_magic) {
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case LUSTRE_MSG_MAGIC_V2:
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return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
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default:
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LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
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}
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}
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EXPORT_SYMBOL(lustre_shrink_msg);
|
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|
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void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
|
|
{
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PTLRPC_RS_DEBUG_LRU_DEL(rs);
|
|
|
|
LASSERT(atomic_read(&rs->rs_refcount) == 0);
|
|
LASSERT(!rs->rs_difficult || rs->rs_handled);
|
|
LASSERT(!rs->rs_on_net);
|
|
LASSERT(!rs->rs_scheduled);
|
|
LASSERT(!rs->rs_export);
|
|
LASSERT(rs->rs_nlocks == 0);
|
|
LASSERT(list_empty(&rs->rs_exp_list));
|
|
LASSERT(list_empty(&rs->rs_obd_list));
|
|
|
|
sptlrpc_svc_free_rs(rs);
|
|
}
|
|
EXPORT_SYMBOL(lustre_free_reply_state);
|
|
|
|
static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
|
|
{
|
|
int swabbed, required_len, i;
|
|
|
|
/* Now we know the sender speaks my language. */
|
|
required_len = lustre_msg_hdr_size_v2(0);
|
|
if (len < required_len) {
|
|
/* can't even look inside the message */
|
|
CERROR("message length %d too small for lustre_msg\n", len);
|
|
return -EINVAL;
|
|
}
|
|
|
|
swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
|
|
|
|
if (swabbed) {
|
|
__swab32s(&m->lm_magic);
|
|
__swab32s(&m->lm_bufcount);
|
|
__swab32s(&m->lm_secflvr);
|
|
__swab32s(&m->lm_repsize);
|
|
__swab32s(&m->lm_cksum);
|
|
__swab32s(&m->lm_flags);
|
|
CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
|
|
CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
|
|
}
|
|
|
|
required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
|
|
if (len < required_len) {
|
|
/* didn't receive all the buffer lengths */
|
|
CERROR("message length %d too small for %d buflens\n",
|
|
len, m->lm_bufcount);
|
|
return -EINVAL;
|
|
}
|
|
|
|
for (i = 0; i < m->lm_bufcount; i++) {
|
|
if (swabbed)
|
|
__swab32s(&m->lm_buflens[i]);
|
|
required_len += cfs_size_round(m->lm_buflens[i]);
|
|
}
|
|
|
|
if (len < required_len) {
|
|
CERROR("len: %d, required_len %d\n", len, required_len);
|
|
CERROR("bufcount: %d\n", m->lm_bufcount);
|
|
for (i = 0; i < m->lm_bufcount; i++)
|
|
CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return swabbed;
|
|
}
|
|
|
|
int __lustre_unpack_msg(struct lustre_msg *m, int len)
|
|
{
|
|
int required_len, rc;
|
|
|
|
/* We can provide a slightly better error log, if we check the
|
|
* message magic and version first. In the future, struct
|
|
* lustre_msg may grow, and we'd like to log a version mismatch,
|
|
* rather than a short message.
|
|
*
|
|
*/
|
|
required_len = offsetof(struct lustre_msg, lm_magic) +
|
|
sizeof(m->lm_magic);
|
|
if (len < required_len) {
|
|
/* can't even look inside the message */
|
|
CERROR("message length %d too small for magic/version check\n",
|
|
len);
|
|
return -EINVAL;
|
|
}
|
|
|
|
rc = lustre_unpack_msg_v2(m, len);
|
|
|
|
return rc;
|
|
}
|
|
EXPORT_SYMBOL(__lustre_unpack_msg);
|
|
|
|
int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
|
|
{
|
|
int rc;
|
|
|
|
rc = __lustre_unpack_msg(req->rq_reqmsg, len);
|
|
if (rc == 1) {
|
|
lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
|
|
rc = 0;
|
|
}
|
|
return rc;
|
|
}
|
|
EXPORT_SYMBOL(ptlrpc_unpack_req_msg);
|
|
|
|
int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
|
|
{
|
|
int rc;
|
|
|
|
rc = __lustre_unpack_msg(req->rq_repmsg, len);
|
|
if (rc == 1) {
|
|
lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
|
|
rc = 0;
|
|
}
|
|
return rc;
|
|
}
|
|
EXPORT_SYMBOL(ptlrpc_unpack_rep_msg);
|
|
|
|
static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
|
|
const int inout, int offset)
|
|
{
|
|
struct ptlrpc_body *pb;
|
|
struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
|
|
|
|
pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
|
|
if (!pb) {
|
|
CERROR("error unpacking ptlrpc body\n");
|
|
return -EFAULT;
|
|
}
|
|
if (ptlrpc_buf_need_swab(req, inout, offset)) {
|
|
lustre_swab_ptlrpc_body(pb);
|
|
ptlrpc_buf_set_swabbed(req, inout, offset);
|
|
}
|
|
|
|
if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
|
|
CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!inout)
|
|
pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
|
|
{
|
|
switch (req->rq_reqmsg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2:
|
|
return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
|
|
default:
|
|
CERROR("bad lustre msg magic: %08x\n",
|
|
req->rq_reqmsg->lm_magic);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
|
|
{
|
|
switch (req->rq_repmsg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2:
|
|
return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
|
|
default:
|
|
CERROR("bad lustre msg magic: %08x\n",
|
|
req->rq_repmsg->lm_magic);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
|
|
{
|
|
if (n >= m->lm_bufcount)
|
|
return 0;
|
|
|
|
return m->lm_buflens[n];
|
|
}
|
|
|
|
/**
|
|
* lustre_msg_buflen - return the length of buffer \a n in message \a m
|
|
* \param m lustre_msg (request or reply) to look at
|
|
* \param n message index (base 0)
|
|
*
|
|
* returns zero for non-existent message indices
|
|
*/
|
|
int lustre_msg_buflen(struct lustre_msg *m, int n)
|
|
{
|
|
switch (m->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2:
|
|
return lustre_msg_buflen_v2(m, n);
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", m->lm_magic);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_buflen);
|
|
|
|
/* NB return the bufcount for lustre_msg_v2 format, so if message is packed
|
|
* in V1 format, the result is one bigger. (add struct ptlrpc_body).
|
|
*/
|
|
int lustre_msg_bufcount(struct lustre_msg *m)
|
|
{
|
|
switch (m->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2:
|
|
return m->lm_bufcount;
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", m->lm_magic);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_bufcount);
|
|
|
|
char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
|
|
{
|
|
/* max_len == 0 means the string should fill the buffer */
|
|
char *str;
|
|
int slen, blen;
|
|
|
|
switch (m->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2:
|
|
str = lustre_msg_buf_v2(m, index, 0);
|
|
blen = lustre_msg_buflen_v2(m, index);
|
|
break;
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
|
|
}
|
|
|
|
if (!str) {
|
|
CERROR("can't unpack string in msg %p buffer[%d]\n", m, index);
|
|
return NULL;
|
|
}
|
|
|
|
slen = strnlen(str, blen);
|
|
|
|
if (slen == blen) { /* not NULL terminated */
|
|
CERROR("can't unpack non-NULL terminated string in msg %p buffer[%d] len %d\n",
|
|
m, index, blen);
|
|
return NULL;
|
|
}
|
|
|
|
if (max_len == 0) {
|
|
if (slen != blen - 1) {
|
|
CERROR("can't unpack short string in msg %p buffer[%d] len %d: strlen %d\n",
|
|
m, index, blen, slen);
|
|
return NULL;
|
|
}
|
|
} else if (slen > max_len) {
|
|
CERROR("can't unpack oversized string in msg %p buffer[%d] len %d strlen %d: max %d expected\n",
|
|
m, index, blen, slen, max_len);
|
|
return NULL;
|
|
}
|
|
|
|
return str;
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_string);
|
|
|
|
/* Wrap up the normal fixed length cases */
|
|
static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
|
|
int min_size, void *swabber)
|
|
{
|
|
void *ptr = NULL;
|
|
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2:
|
|
ptr = lustre_msg_buf_v2(msg, index, min_size);
|
|
break;
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
|
|
if (ptr && swabber)
|
|
((void (*)(void *))swabber)(ptr);
|
|
|
|
return ptr;
|
|
}
|
|
|
|
static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
|
|
{
|
|
return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
|
|
sizeof(struct ptlrpc_body_v2));
|
|
}
|
|
|
|
__u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2:
|
|
/* already in host endian */
|
|
return msg->lm_flags;
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", msg->lm_magic);
|
|
return 0;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msghdr_get_flags);
|
|
|
|
void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2:
|
|
msg->lm_flags = flags;
|
|
return;
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
|
|
__u32 lustre_msg_get_flags(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (pb)
|
|
return pb->pb_flags;
|
|
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
}
|
|
/* no break */
|
|
default:
|
|
/* flags might be printed in debug code while message
|
|
* uninitialized
|
|
*/
|
|
return 0;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_get_flags);
|
|
|
|
void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_flags |= flags;
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_add_flags);
|
|
|
|
void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_flags = flags;
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_set_flags);
|
|
|
|
void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_flags &= ~(flags & MSG_GEN_FLAG_MASK);
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_clear_flags);
|
|
|
|
__u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (pb)
|
|
return pb->pb_op_flags;
|
|
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
}
|
|
/* no break */
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_get_op_flags);
|
|
|
|
void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_op_flags |= flags;
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_add_op_flags);
|
|
|
|
struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (!pb) {
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
return NULL;
|
|
}
|
|
return &pb->pb_handle;
|
|
}
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", msg->lm_magic);
|
|
return NULL;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_get_handle);
|
|
|
|
__u32 lustre_msg_get_type(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (!pb) {
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
return PTL_RPC_MSG_ERR;
|
|
}
|
|
return pb->pb_type;
|
|
}
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", msg->lm_magic);
|
|
return PTL_RPC_MSG_ERR;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_get_type);
|
|
|
|
void lustre_msg_add_version(struct lustre_msg *msg, int version)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_version |= version;
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_add_version);
|
|
|
|
__u32 lustre_msg_get_opc(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (!pb) {
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
return 0;
|
|
}
|
|
return pb->pb_opc;
|
|
}
|
|
default:
|
|
CERROR("incorrect message magic: %08x (msg:%p)\n",
|
|
msg->lm_magic, msg);
|
|
return 0;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_get_opc);
|
|
|
|
__u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (!pb) {
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
return 0;
|
|
}
|
|
return pb->pb_last_committed;
|
|
}
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", msg->lm_magic);
|
|
return 0;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_get_last_committed);
|
|
|
|
__u64 *lustre_msg_get_versions(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (!pb) {
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
return NULL;
|
|
}
|
|
return pb->pb_pre_versions;
|
|
}
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", msg->lm_magic);
|
|
return NULL;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_get_versions);
|
|
|
|
__u64 lustre_msg_get_transno(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (!pb) {
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
return 0;
|
|
}
|
|
return pb->pb_transno;
|
|
}
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", msg->lm_magic);
|
|
return 0;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_get_transno);
|
|
|
|
int lustre_msg_get_status(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (pb)
|
|
return pb->pb_status;
|
|
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
}
|
|
/* no break */
|
|
default:
|
|
/* status might be printed in debug code while message
|
|
* uninitialized
|
|
*/
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_get_status);
|
|
|
|
__u64 lustre_msg_get_slv(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (!pb) {
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
return -EINVAL;
|
|
}
|
|
return pb->pb_slv;
|
|
}
|
|
default:
|
|
CERROR("invalid msg magic %08x\n", msg->lm_magic);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_get_slv);
|
|
|
|
void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (!pb) {
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
return;
|
|
}
|
|
pb->pb_slv = slv;
|
|
return;
|
|
}
|
|
default:
|
|
CERROR("invalid msg magic %x\n", msg->lm_magic);
|
|
return;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_set_slv);
|
|
|
|
__u32 lustre_msg_get_limit(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (!pb) {
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
return -EINVAL;
|
|
}
|
|
return pb->pb_limit;
|
|
}
|
|
default:
|
|
CERROR("invalid msg magic %x\n", msg->lm_magic);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_get_limit);
|
|
|
|
void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (!pb) {
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
return;
|
|
}
|
|
pb->pb_limit = limit;
|
|
return;
|
|
}
|
|
default:
|
|
CERROR("invalid msg magic %08x\n", msg->lm_magic);
|
|
return;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_set_limit);
|
|
|
|
__u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (!pb) {
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
return 0;
|
|
}
|
|
return pb->pb_conn_cnt;
|
|
}
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", msg->lm_magic);
|
|
return 0;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
|
|
|
|
__u32 lustre_msg_get_magic(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2:
|
|
return msg->lm_magic;
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", msg->lm_magic);
|
|
return 0;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_get_magic);
|
|
|
|
__u32 lustre_msg_get_timeout(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (!pb) {
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
return 0;
|
|
|
|
}
|
|
return pb->pb_timeout;
|
|
}
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", msg->lm_magic);
|
|
return -EPROTO;
|
|
}
|
|
}
|
|
|
|
__u32 lustre_msg_get_service_time(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
if (!pb) {
|
|
CERROR("invalid msg %p: no ptlrpc body!\n", msg);
|
|
return 0;
|
|
|
|
}
|
|
return pb->pb_service_time;
|
|
}
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", msg->lm_magic);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
__u32 lustre_msg_get_cksum(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2:
|
|
return msg->lm_cksum;
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", msg->lm_magic);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
__u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
__u32 crc;
|
|
unsigned int hsize = 4;
|
|
|
|
cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
|
|
lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF),
|
|
NULL, 0, (unsigned char *)&crc, &hsize);
|
|
return crc;
|
|
}
|
|
default:
|
|
CERROR("incorrect message magic: %08x\n", msg->lm_magic);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_handle = *handle;
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_set_handle);
|
|
|
|
void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_type = type;
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_set_type);
|
|
|
|
void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_opc = opc;
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_set_opc);
|
|
|
|
void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_pre_versions[0] = versions[0];
|
|
pb->pb_pre_versions[1] = versions[1];
|
|
pb->pb_pre_versions[2] = versions[2];
|
|
pb->pb_pre_versions[3] = versions[3];
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_set_versions);
|
|
|
|
void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_transno = transno;
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_set_transno);
|
|
|
|
void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_status = status;
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_set_status);
|
|
|
|
void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_conn_cnt = conn_cnt;
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_set_conn_cnt);
|
|
|
|
void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_timeout = timeout;
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
|
|
void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
|
|
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
pb->pb_service_time = service_time;
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
|
|
void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2: {
|
|
__u32 opc = lustre_msg_get_opc(msg);
|
|
struct ptlrpc_body *pb;
|
|
|
|
/* Don't set jobid for ldlm ast RPCs, they've been shrunk.
|
|
* See the comment in ptlrpc_request_pack().
|
|
*/
|
|
if (!opc || opc == LDLM_BL_CALLBACK ||
|
|
opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
|
|
return;
|
|
|
|
pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
|
|
sizeof(struct ptlrpc_body));
|
|
LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
|
|
|
|
if (jobid)
|
|
memcpy(pb->pb_jobid, jobid, JOBSTATS_JOBID_SIZE);
|
|
else if (pb->pb_jobid[0] == '\0')
|
|
lustre_get_jobid(pb->pb_jobid);
|
|
return;
|
|
}
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_msg_set_jobid);
|
|
|
|
void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
|
|
{
|
|
switch (msg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2:
|
|
msg->lm_cksum = cksum;
|
|
return;
|
|
default:
|
|
LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
|
|
}
|
|
}
|
|
|
|
void ptlrpc_request_set_replen(struct ptlrpc_request *req)
|
|
{
|
|
int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
|
|
|
|
req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
|
|
req->rq_pill.rc_area[RCL_SERVER]);
|
|
if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
|
|
req->rq_reqmsg->lm_repsize = req->rq_replen;
|
|
}
|
|
EXPORT_SYMBOL(ptlrpc_request_set_replen);
|
|
|
|
/**
|
|
* Send a remote set_info_async.
|
|
*
|
|
* This may go from client to server or server to client.
|
|
*/
|
|
int do_set_info_async(struct obd_import *imp,
|
|
int opcode, int version,
|
|
u32 keylen, void *key,
|
|
u32 vallen, void *val,
|
|
struct ptlrpc_request_set *set)
|
|
{
|
|
struct ptlrpc_request *req;
|
|
char *tmp;
|
|
int rc;
|
|
|
|
req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
|
|
if (!req)
|
|
return -ENOMEM;
|
|
|
|
req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
|
|
RCL_CLIENT, keylen);
|
|
req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
|
|
RCL_CLIENT, vallen);
|
|
rc = ptlrpc_request_pack(req, version, opcode);
|
|
if (rc) {
|
|
ptlrpc_request_free(req);
|
|
return rc;
|
|
}
|
|
|
|
tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
|
|
memcpy(tmp, key, keylen);
|
|
tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
|
|
memcpy(tmp, val, vallen);
|
|
|
|
ptlrpc_request_set_replen(req);
|
|
|
|
if (set) {
|
|
ptlrpc_set_add_req(set, req);
|
|
ptlrpc_check_set(NULL, set);
|
|
} else {
|
|
rc = ptlrpc_queue_wait(req);
|
|
ptlrpc_req_finished(req);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
EXPORT_SYMBOL(do_set_info_async);
|
|
|
|
/* byte flipping routines for all wire types declared in
|
|
* lustre_idl.h implemented here.
|
|
*/
|
|
void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
|
|
{
|
|
__swab32s(&b->pb_type);
|
|
__swab32s(&b->pb_version);
|
|
__swab32s(&b->pb_opc);
|
|
__swab32s(&b->pb_status);
|
|
__swab64s(&b->pb_last_xid);
|
|
__swab64s(&b->pb_last_seen);
|
|
__swab64s(&b->pb_last_committed);
|
|
__swab64s(&b->pb_transno);
|
|
__swab32s(&b->pb_flags);
|
|
__swab32s(&b->pb_op_flags);
|
|
__swab32s(&b->pb_conn_cnt);
|
|
__swab32s(&b->pb_timeout);
|
|
__swab32s(&b->pb_service_time);
|
|
__swab32s(&b->pb_limit);
|
|
__swab64s(&b->pb_slv);
|
|
__swab64s(&b->pb_pre_versions[0]);
|
|
__swab64s(&b->pb_pre_versions[1]);
|
|
__swab64s(&b->pb_pre_versions[2]);
|
|
__swab64s(&b->pb_pre_versions[3]);
|
|
CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
|
|
/* While we need to maintain compatibility between
|
|
* clients and servers without ptlrpc_body_v2 (< 2.3)
|
|
* do not swab any fields beyond pb_jobid, as we are
|
|
* using this swab function for both ptlrpc_body
|
|
* and ptlrpc_body_v2.
|
|
*/
|
|
CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_ptlrpc_body);
|
|
|
|
void lustre_swab_connect(struct obd_connect_data *ocd)
|
|
{
|
|
__swab64s(&ocd->ocd_connect_flags);
|
|
__swab32s(&ocd->ocd_version);
|
|
__swab32s(&ocd->ocd_grant);
|
|
__swab64s(&ocd->ocd_ibits_known);
|
|
__swab32s(&ocd->ocd_index);
|
|
__swab32s(&ocd->ocd_brw_size);
|
|
/* ocd_blocksize and ocd_inodespace don't need to be swabbed because
|
|
* they are 8-byte values
|
|
*/
|
|
__swab16s(&ocd->ocd_grant_extent);
|
|
__swab32s(&ocd->ocd_unused);
|
|
__swab64s(&ocd->ocd_transno);
|
|
__swab32s(&ocd->ocd_group);
|
|
__swab32s(&ocd->ocd_cksum_types);
|
|
__swab32s(&ocd->ocd_instance);
|
|
/* Fields after ocd_cksum_types are only accessible by the receiver
|
|
* if the corresponding flag in ocd_connect_flags is set. Accessing
|
|
* any field after ocd_maxbytes on the receiver without a valid flag
|
|
* may result in out-of-bound memory access and kernel oops.
|
|
*/
|
|
if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
|
|
__swab32s(&ocd->ocd_max_easize);
|
|
if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
|
|
__swab64s(&ocd->ocd_maxbytes);
|
|
CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
|
|
CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
|
|
}
|
|
|
|
static void lustre_swab_obdo(struct obdo *o)
|
|
{
|
|
__swab64s(&o->o_valid);
|
|
lustre_swab_ost_id(&o->o_oi);
|
|
__swab64s(&o->o_parent_seq);
|
|
__swab64s(&o->o_size);
|
|
__swab64s(&o->o_mtime);
|
|
__swab64s(&o->o_atime);
|
|
__swab64s(&o->o_ctime);
|
|
__swab64s(&o->o_blocks);
|
|
__swab64s(&o->o_grant);
|
|
__swab32s(&o->o_blksize);
|
|
__swab32s(&o->o_mode);
|
|
__swab32s(&o->o_uid);
|
|
__swab32s(&o->o_gid);
|
|
__swab32s(&o->o_flags);
|
|
__swab32s(&o->o_nlink);
|
|
__swab32s(&o->o_parent_oid);
|
|
__swab32s(&o->o_misc);
|
|
__swab64s(&o->o_ioepoch);
|
|
__swab32s(&o->o_stripe_idx);
|
|
__swab32s(&o->o_parent_ver);
|
|
/* o_handle is opaque */
|
|
/* o_lcookie is swabbed elsewhere */
|
|
__swab32s(&o->o_uid_h);
|
|
__swab32s(&o->o_gid_h);
|
|
__swab64s(&o->o_data_version);
|
|
CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
|
|
CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
|
|
CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
|
|
|
|
}
|
|
|
|
void lustre_swab_obd_statfs(struct obd_statfs *os)
|
|
{
|
|
__swab64s(&os->os_type);
|
|
__swab64s(&os->os_blocks);
|
|
__swab64s(&os->os_bfree);
|
|
__swab64s(&os->os_bavail);
|
|
__swab64s(&os->os_files);
|
|
__swab64s(&os->os_ffree);
|
|
/* no need to swab os_fsid */
|
|
__swab32s(&os->os_bsize);
|
|
__swab32s(&os->os_namelen);
|
|
__swab64s(&os->os_maxbytes);
|
|
__swab32s(&os->os_state);
|
|
CLASSERT(offsetof(typeof(*os), os_fprecreated) != 0);
|
|
CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
|
|
CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
|
|
CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
|
|
CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
|
|
CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
|
|
CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
|
|
CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
|
|
CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_obd_statfs);
|
|
|
|
void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
|
|
{
|
|
lustre_swab_ost_id(&ioo->ioo_oid);
|
|
__swab32s(&ioo->ioo_max_brw);
|
|
__swab32s(&ioo->ioo_bufcnt);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_obd_ioobj);
|
|
|
|
void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
|
|
{
|
|
__swab64s(&nbr->offset);
|
|
__swab32s(&nbr->len);
|
|
__swab32s(&nbr->flags);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_niobuf_remote);
|
|
|
|
void lustre_swab_ost_body(struct ost_body *b)
|
|
{
|
|
lustre_swab_obdo(&b->oa);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_ost_body);
|
|
|
|
void lustre_swab_ost_last_id(u64 *id)
|
|
{
|
|
__swab64s(id);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_ost_last_id);
|
|
|
|
void lustre_swab_generic_32s(__u32 *val)
|
|
{
|
|
__swab32s(val);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_generic_32s);
|
|
|
|
void lustre_swab_gl_desc(union ldlm_gl_desc *desc)
|
|
{
|
|
lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid);
|
|
__swab64s(&desc->lquota_desc.gl_flags);
|
|
__swab64s(&desc->lquota_desc.gl_ver);
|
|
__swab64s(&desc->lquota_desc.gl_hardlimit);
|
|
__swab64s(&desc->lquota_desc.gl_softlimit);
|
|
__swab64s(&desc->lquota_desc.gl_time);
|
|
CLASSERT(offsetof(typeof(desc->lquota_desc), gl_pad2) != 0);
|
|
}
|
|
|
|
void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
|
|
{
|
|
__swab64s(&lvb->lvb_size);
|
|
__swab64s(&lvb->lvb_mtime);
|
|
__swab64s(&lvb->lvb_atime);
|
|
__swab64s(&lvb->lvb_ctime);
|
|
__swab64s(&lvb->lvb_blocks);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
|
|
|
|
void lustre_swab_ost_lvb(struct ost_lvb *lvb)
|
|
{
|
|
__swab64s(&lvb->lvb_size);
|
|
__swab64s(&lvb->lvb_mtime);
|
|
__swab64s(&lvb->lvb_atime);
|
|
__swab64s(&lvb->lvb_ctime);
|
|
__swab64s(&lvb->lvb_blocks);
|
|
__swab32s(&lvb->lvb_mtime_ns);
|
|
__swab32s(&lvb->lvb_atime_ns);
|
|
__swab32s(&lvb->lvb_ctime_ns);
|
|
__swab32s(&lvb->lvb_padding);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_ost_lvb);
|
|
|
|
void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
|
|
{
|
|
__swab64s(&lvb->lvb_flags);
|
|
__swab64s(&lvb->lvb_id_may_rel);
|
|
__swab64s(&lvb->lvb_id_rel);
|
|
__swab64s(&lvb->lvb_id_qunit);
|
|
__swab64s(&lvb->lvb_pad1);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_lquota_lvb);
|
|
|
|
void lustre_swab_mdt_body(struct mdt_body *b)
|
|
{
|
|
lustre_swab_lu_fid(&b->fid1);
|
|
lustre_swab_lu_fid(&b->fid2);
|
|
/* handle is opaque */
|
|
__swab64s(&b->valid);
|
|
__swab64s(&b->size);
|
|
__swab64s(&b->mtime);
|
|
__swab64s(&b->atime);
|
|
__swab64s(&b->ctime);
|
|
__swab64s(&b->blocks);
|
|
__swab64s(&b->ioepoch);
|
|
__swab64s(&b->t_state);
|
|
__swab32s(&b->fsuid);
|
|
__swab32s(&b->fsgid);
|
|
__swab32s(&b->capability);
|
|
__swab32s(&b->mode);
|
|
__swab32s(&b->uid);
|
|
__swab32s(&b->gid);
|
|
__swab32s(&b->flags);
|
|
__swab32s(&b->rdev);
|
|
__swab32s(&b->nlink);
|
|
CLASSERT(offsetof(typeof(*b), unused2) != 0);
|
|
__swab32s(&b->suppgid);
|
|
__swab32s(&b->eadatasize);
|
|
__swab32s(&b->aclsize);
|
|
__swab32s(&b->max_mdsize);
|
|
__swab32s(&b->max_cookiesize);
|
|
__swab32s(&b->uid_h);
|
|
__swab32s(&b->gid_h);
|
|
CLASSERT(offsetof(typeof(*b), padding_5) != 0);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_mdt_body);
|
|
|
|
void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
|
|
{
|
|
/* handle is opaque */
|
|
__swab64s(&b->ioepoch);
|
|
__swab32s(&b->flags);
|
|
CLASSERT(offsetof(typeof(*b), padding) != 0);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_mdt_ioepoch);
|
|
|
|
void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
|
|
{
|
|
int i;
|
|
|
|
__swab32s(&mti->mti_lustre_ver);
|
|
__swab32s(&mti->mti_stripe_index);
|
|
__swab32s(&mti->mti_config_ver);
|
|
__swab32s(&mti->mti_flags);
|
|
__swab32s(&mti->mti_instance);
|
|
__swab32s(&mti->mti_nid_count);
|
|
CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
|
|
for (i = 0; i < MTI_NIDS_MAX; i++)
|
|
__swab64s(&mti->mti_nids[i]);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_mgs_target_info);
|
|
|
|
void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
|
|
{
|
|
int i;
|
|
|
|
__swab64s(&entry->mne_version);
|
|
__swab32s(&entry->mne_instance);
|
|
__swab32s(&entry->mne_index);
|
|
__swab32s(&entry->mne_length);
|
|
|
|
/* mne_nid_(count|type) must be one byte size because we're gonna
|
|
* access it w/o swapping. */
|
|
CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
|
|
CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
|
|
|
|
/* remove this assertion if ipv6 is supported. */
|
|
LASSERT(entry->mne_nid_type == 0);
|
|
for (i = 0; i < entry->mne_nid_count; i++) {
|
|
CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
|
|
__swab64s(&entry->u.nids[i]);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
|
|
|
|
void lustre_swab_mgs_config_body(struct mgs_config_body *body)
|
|
{
|
|
__swab64s(&body->mcb_offset);
|
|
__swab32s(&body->mcb_units);
|
|
__swab16s(&body->mcb_type);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_mgs_config_body);
|
|
|
|
void lustre_swab_mgs_config_res(struct mgs_config_res *body)
|
|
{
|
|
__swab64s(&body->mcr_offset);
|
|
__swab64s(&body->mcr_size);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_mgs_config_res);
|
|
|
|
static void lustre_swab_obd_dqinfo(struct obd_dqinfo *i)
|
|
{
|
|
__swab64s(&i->dqi_bgrace);
|
|
__swab64s(&i->dqi_igrace);
|
|
__swab32s(&i->dqi_flags);
|
|
__swab32s(&i->dqi_valid);
|
|
}
|
|
|
|
static void lustre_swab_obd_dqblk(struct obd_dqblk *b)
|
|
{
|
|
__swab64s(&b->dqb_ihardlimit);
|
|
__swab64s(&b->dqb_isoftlimit);
|
|
__swab64s(&b->dqb_curinodes);
|
|
__swab64s(&b->dqb_bhardlimit);
|
|
__swab64s(&b->dqb_bsoftlimit);
|
|
__swab64s(&b->dqb_curspace);
|
|
__swab64s(&b->dqb_btime);
|
|
__swab64s(&b->dqb_itime);
|
|
__swab32s(&b->dqb_valid);
|
|
CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
|
|
}
|
|
|
|
void lustre_swab_obd_quotactl(struct obd_quotactl *q)
|
|
{
|
|
__swab32s(&q->qc_cmd);
|
|
__swab32s(&q->qc_type);
|
|
__swab32s(&q->qc_id);
|
|
__swab32s(&q->qc_stat);
|
|
lustre_swab_obd_dqinfo(&q->qc_dqinfo);
|
|
lustre_swab_obd_dqblk(&q->qc_dqblk);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_obd_quotactl);
|
|
|
|
void lustre_swab_mdt_remote_perm(struct mdt_remote_perm *p)
|
|
{
|
|
__swab32s(&p->rp_uid);
|
|
__swab32s(&p->rp_gid);
|
|
__swab32s(&p->rp_fsuid);
|
|
__swab32s(&p->rp_fsuid_h);
|
|
__swab32s(&p->rp_fsgid);
|
|
__swab32s(&p->rp_fsgid_h);
|
|
__swab32s(&p->rp_access_perm);
|
|
__swab32s(&p->rp_padding);
|
|
};
|
|
EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
|
|
|
|
void lustre_swab_fid2path(struct getinfo_fid2path *gf)
|
|
{
|
|
lustre_swab_lu_fid(&gf->gf_fid);
|
|
__swab64s(&gf->gf_recno);
|
|
__swab32s(&gf->gf_linkno);
|
|
__swab32s(&gf->gf_pathlen);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_fid2path);
|
|
|
|
static void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
|
|
{
|
|
__swab64s(&fm_extent->fe_logical);
|
|
__swab64s(&fm_extent->fe_physical);
|
|
__swab64s(&fm_extent->fe_length);
|
|
__swab32s(&fm_extent->fe_flags);
|
|
__swab32s(&fm_extent->fe_device);
|
|
}
|
|
|
|
void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
|
|
{
|
|
int i;
|
|
|
|
__swab64s(&fiemap->fm_start);
|
|
__swab64s(&fiemap->fm_length);
|
|
__swab32s(&fiemap->fm_flags);
|
|
__swab32s(&fiemap->fm_mapped_extents);
|
|
__swab32s(&fiemap->fm_extent_count);
|
|
__swab32s(&fiemap->fm_reserved);
|
|
|
|
for (i = 0; i < fiemap->fm_mapped_extents; i++)
|
|
lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_fiemap);
|
|
|
|
void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
|
|
{
|
|
__swab32s(&rr->rr_opcode);
|
|
__swab32s(&rr->rr_cap);
|
|
__swab32s(&rr->rr_fsuid);
|
|
/* rr_fsuid_h is unused */
|
|
__swab32s(&rr->rr_fsgid);
|
|
/* rr_fsgid_h is unused */
|
|
__swab32s(&rr->rr_suppgid1);
|
|
/* rr_suppgid1_h is unused */
|
|
__swab32s(&rr->rr_suppgid2);
|
|
/* rr_suppgid2_h is unused */
|
|
lustre_swab_lu_fid(&rr->rr_fid1);
|
|
lustre_swab_lu_fid(&rr->rr_fid2);
|
|
__swab64s(&rr->rr_mtime);
|
|
__swab64s(&rr->rr_atime);
|
|
__swab64s(&rr->rr_ctime);
|
|
__swab64s(&rr->rr_size);
|
|
__swab64s(&rr->rr_blocks);
|
|
__swab32s(&rr->rr_bias);
|
|
__swab32s(&rr->rr_mode);
|
|
__swab32s(&rr->rr_flags);
|
|
__swab32s(&rr->rr_flags_h);
|
|
__swab32s(&rr->rr_umask);
|
|
|
|
CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
|
|
};
|
|
EXPORT_SYMBOL(lustre_swab_mdt_rec_reint);
|
|
|
|
void lustre_swab_lov_desc(struct lov_desc *ld)
|
|
{
|
|
__swab32s(&ld->ld_tgt_count);
|
|
__swab32s(&ld->ld_active_tgt_count);
|
|
__swab32s(&ld->ld_default_stripe_count);
|
|
__swab32s(&ld->ld_pattern);
|
|
__swab64s(&ld->ld_default_stripe_size);
|
|
__swab64s(&ld->ld_default_stripe_offset);
|
|
__swab32s(&ld->ld_qos_maxage);
|
|
/* uuid endian insensitive */
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_lov_desc);
|
|
|
|
static void print_lum(struct lov_user_md *lum)
|
|
{
|
|
CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
|
|
CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
|
|
CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
|
|
CDEBUG(D_OTHER, "\tlmm_object_id: %llu\n", lmm_oi_id(&lum->lmm_oi));
|
|
CDEBUG(D_OTHER, "\tlmm_object_gr: %llu\n", lmm_oi_seq(&lum->lmm_oi));
|
|
CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
|
|
CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
|
|
CDEBUG(D_OTHER, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
|
|
lum->lmm_stripe_offset);
|
|
}
|
|
|
|
static void lustre_swab_lmm_oi(struct ost_id *oi)
|
|
{
|
|
__swab64s(&oi->oi.oi_id);
|
|
__swab64s(&oi->oi.oi_seq);
|
|
}
|
|
|
|
static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
|
|
{
|
|
__swab32s(&lum->lmm_magic);
|
|
__swab32s(&lum->lmm_pattern);
|
|
lustre_swab_lmm_oi(&lum->lmm_oi);
|
|
__swab32s(&lum->lmm_stripe_size);
|
|
__swab16s(&lum->lmm_stripe_count);
|
|
__swab16s(&lum->lmm_stripe_offset);
|
|
print_lum(lum);
|
|
}
|
|
|
|
void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
|
|
{
|
|
CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
|
|
lustre_swab_lov_user_md_common(lum);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
|
|
|
|
void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
|
|
{
|
|
CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
|
|
lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
|
|
/* lmm_pool_name nothing to do with char */
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
|
|
|
|
void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
|
|
{
|
|
CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
|
|
__swab32s(&lmm->lmm_magic);
|
|
__swab32s(&lmm->lmm_pattern);
|
|
lustre_swab_lmm_oi(&lmm->lmm_oi);
|
|
__swab32s(&lmm->lmm_stripe_size);
|
|
__swab16s(&lmm->lmm_stripe_count);
|
|
__swab16s(&lmm->lmm_layout_gen);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_lov_mds_md);
|
|
|
|
void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
|
|
int stripe_count)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < stripe_count; i++) {
|
|
lustre_swab_ost_id(&(lod[i].l_ost_oi));
|
|
__swab32s(&(lod[i].l_ost_gen));
|
|
__swab32s(&(lod[i].l_ost_idx));
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
|
|
|
|
static void lustre_swab_ldlm_res_id(struct ldlm_res_id *id)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < RES_NAME_SIZE; i++)
|
|
__swab64s(&id->name[i]);
|
|
}
|
|
|
|
static void lustre_swab_ldlm_policy_data(ldlm_wire_policy_data_t *d)
|
|
{
|
|
/* the lock data is a union and the first two fields are always an
|
|
* extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
|
|
* data the same way.
|
|
*/
|
|
__swab64s(&d->l_extent.start);
|
|
__swab64s(&d->l_extent.end);
|
|
__swab64s(&d->l_extent.gid);
|
|
__swab64s(&d->l_flock.lfw_owner);
|
|
__swab32s(&d->l_flock.lfw_pid);
|
|
}
|
|
|
|
void lustre_swab_ldlm_intent(struct ldlm_intent *i)
|
|
{
|
|
__swab64s(&i->opc);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_ldlm_intent);
|
|
|
|
static void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
|
|
{
|
|
__swab32s(&r->lr_type);
|
|
CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
|
|
lustre_swab_ldlm_res_id(&r->lr_name);
|
|
}
|
|
|
|
static void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc *l)
|
|
{
|
|
lustre_swab_ldlm_resource_desc(&l->l_resource);
|
|
__swab32s(&l->l_req_mode);
|
|
__swab32s(&l->l_granted_mode);
|
|
lustre_swab_ldlm_policy_data(&l->l_policy_data);
|
|
}
|
|
|
|
void lustre_swab_ldlm_request(struct ldlm_request *rq)
|
|
{
|
|
__swab32s(&rq->lock_flags);
|
|
lustre_swab_ldlm_lock_desc(&rq->lock_desc);
|
|
__swab32s(&rq->lock_count);
|
|
/* lock_handle[] opaque */
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_ldlm_request);
|
|
|
|
void lustre_swab_ldlm_reply(struct ldlm_reply *r)
|
|
{
|
|
__swab32s(&r->lock_flags);
|
|
CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
|
|
lustre_swab_ldlm_lock_desc(&r->lock_desc);
|
|
/* lock_handle opaque */
|
|
__swab64s(&r->lock_policy_res1);
|
|
__swab64s(&r->lock_policy_res2);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_ldlm_reply);
|
|
|
|
/* Dump functions */
|
|
void dump_ioo(struct obd_ioobj *ioo)
|
|
{
|
|
CDEBUG(D_RPCTRACE,
|
|
"obd_ioobj: ioo_oid=" DOSTID ", ioo_max_brw=%#x, ioo_bufct=%d\n",
|
|
POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
|
|
ioo->ioo_bufcnt);
|
|
}
|
|
EXPORT_SYMBOL(dump_ioo);
|
|
|
|
void dump_rniobuf(struct niobuf_remote *nb)
|
|
{
|
|
CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n",
|
|
nb->offset, nb->len, nb->flags);
|
|
}
|
|
EXPORT_SYMBOL(dump_rniobuf);
|
|
|
|
static void dump_obdo(struct obdo *oa)
|
|
{
|
|
__u32 valid = oa->o_valid;
|
|
|
|
CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
|
|
if (valid & OBD_MD_FLID)
|
|
CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
|
|
if (valid & OBD_MD_FLFID)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = %#llx\n",
|
|
oa->o_parent_seq);
|
|
if (valid & OBD_MD_FLSIZE)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_size = %lld\n", oa->o_size);
|
|
if (valid & OBD_MD_FLMTIME)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_mtime = %lld\n", oa->o_mtime);
|
|
if (valid & OBD_MD_FLATIME)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_atime = %lld\n", oa->o_atime);
|
|
if (valid & OBD_MD_FLCTIME)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_ctime = %lld\n", oa->o_ctime);
|
|
if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
|
|
CDEBUG(D_RPCTRACE, "obdo: o_blocks = %lld\n", oa->o_blocks);
|
|
if (valid & OBD_MD_FLGRANT)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_grant = %lld\n", oa->o_grant);
|
|
if (valid & OBD_MD_FLBLKSZ)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
|
|
if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
|
|
CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
|
|
oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
|
|
(valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
|
|
if (valid & OBD_MD_FLUID)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
|
|
if (valid & OBD_MD_FLUID)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
|
|
if (valid & OBD_MD_FLGID)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
|
|
if (valid & OBD_MD_FLGID)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
|
|
if (valid & OBD_MD_FLFLAGS)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
|
|
if (valid & OBD_MD_FLNLINK)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
|
|
else if (valid & OBD_MD_FLCKSUM)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
|
|
oa->o_nlink);
|
|
if (valid & OBD_MD_FLGENER)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
|
|
oa->o_parent_oid);
|
|
if (valid & OBD_MD_FLEPOCH)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = %lld\n",
|
|
oa->o_ioepoch);
|
|
if (valid & OBD_MD_FLFID) {
|
|
CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
|
|
oa->o_stripe_idx);
|
|
CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
|
|
oa->o_parent_ver);
|
|
}
|
|
if (valid & OBD_MD_FLHANDLE)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_handle = %lld\n",
|
|
oa->o_handle.cookie);
|
|
if (valid & OBD_MD_FLCOOKIE)
|
|
CDEBUG(D_RPCTRACE, "obdo: o_lcookie = (llog_cookie dumping not yet implemented)\n");
|
|
}
|
|
|
|
void dump_ost_body(struct ost_body *ob)
|
|
{
|
|
dump_obdo(&ob->oa);
|
|
}
|
|
EXPORT_SYMBOL(dump_ost_body);
|
|
|
|
void dump_rcs(__u32 *rc)
|
|
{
|
|
CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
|
|
}
|
|
EXPORT_SYMBOL(dump_rcs);
|
|
|
|
static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
|
|
{
|
|
LASSERT(req->rq_reqmsg);
|
|
|
|
switch (req->rq_reqmsg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2:
|
|
return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
|
|
default:
|
|
CERROR("bad lustre msg magic: %#08X\n",
|
|
req->rq_reqmsg->lm_magic);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
|
|
{
|
|
LASSERT(req->rq_repmsg);
|
|
|
|
switch (req->rq_repmsg->lm_magic) {
|
|
case LUSTRE_MSG_MAGIC_V2:
|
|
return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
|
|
default:
|
|
/* uninitialized yet */
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void _debug_req(struct ptlrpc_request *req,
|
|
struct libcfs_debug_msg_data *msgdata,
|
|
const char *fmt, ...)
|
|
{
|
|
int req_ok = req->rq_reqmsg != NULL;
|
|
int rep_ok = req->rq_repmsg != NULL;
|
|
lnet_nid_t nid = LNET_NID_ANY;
|
|
va_list args;
|
|
|
|
if (ptlrpc_req_need_swab(req)) {
|
|
req_ok = req_ok && req_ptlrpc_body_swabbed(req);
|
|
rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
|
|
}
|
|
|
|
if (req->rq_import && req->rq_import->imp_connection)
|
|
nid = req->rq_import->imp_connection->c_peer.nid;
|
|
else if (req->rq_export && req->rq_export->exp_connection)
|
|
nid = req->rq_export->exp_connection->c_peer.nid;
|
|
|
|
va_start(args, fmt);
|
|
libcfs_debug_vmsg2(msgdata, fmt, args,
|
|
" req@%p x%llu/t%lld(%lld) o%d->%s@%s:%d/%d lens %d/%d e %d to %lld dl %lld ref %d fl " REQ_FLAGS_FMT "/%x/%x rc %d/%d\n",
|
|
req, req->rq_xid, req->rq_transno,
|
|
req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
|
|
req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
|
|
req->rq_import ?
|
|
req->rq_import->imp_obd->obd_name :
|
|
req->rq_export ?
|
|
req->rq_export->exp_client_uuid.uuid :
|
|
"<?>",
|
|
libcfs_nid2str(nid),
|
|
req->rq_request_portal, req->rq_reply_portal,
|
|
req->rq_reqlen, req->rq_replen,
|
|
req->rq_early_count, (s64)req->rq_timedout,
|
|
(s64)req->rq_deadline,
|
|
atomic_read(&req->rq_refcount),
|
|
DEBUG_REQ_FLAGS(req),
|
|
req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
|
|
rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
|
|
req->rq_status,
|
|
rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
|
|
va_end(args);
|
|
}
|
|
EXPORT_SYMBOL(_debug_req);
|
|
|
|
void lustre_swab_lustre_capa(struct lustre_capa *c)
|
|
{
|
|
lustre_swab_lu_fid(&c->lc_fid);
|
|
__swab64s(&c->lc_opc);
|
|
__swab64s(&c->lc_uid);
|
|
__swab64s(&c->lc_gid);
|
|
__swab32s(&c->lc_flags);
|
|
__swab32s(&c->lc_keyid);
|
|
__swab32s(&c->lc_timeout);
|
|
__swab32s(&c->lc_expiry);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_lustre_capa);
|
|
|
|
void lustre_swab_hsm_user_state(struct hsm_user_state *state)
|
|
{
|
|
__swab32s(&state->hus_states);
|
|
__swab32s(&state->hus_archive_id);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_hsm_user_state);
|
|
|
|
void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
|
|
{
|
|
__swab32s(&hss->hss_valid);
|
|
__swab64s(&hss->hss_setmask);
|
|
__swab64s(&hss->hss_clearmask);
|
|
__swab32s(&hss->hss_archive_id);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_hsm_state_set);
|
|
|
|
static void lustre_swab_hsm_extent(struct hsm_extent *extent)
|
|
{
|
|
__swab64s(&extent->offset);
|
|
__swab64s(&extent->length);
|
|
}
|
|
|
|
void lustre_swab_hsm_current_action(struct hsm_current_action *action)
|
|
{
|
|
__swab32s(&action->hca_state);
|
|
__swab32s(&action->hca_action);
|
|
lustre_swab_hsm_extent(&action->hca_location);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_hsm_current_action);
|
|
|
|
void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
|
|
{
|
|
lustre_swab_lu_fid(&hui->hui_fid);
|
|
lustre_swab_hsm_extent(&hui->hui_extent);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_hsm_user_item);
|
|
|
|
void lustre_swab_layout_intent(struct layout_intent *li)
|
|
{
|
|
__swab32s(&li->li_opc);
|
|
__swab32s(&li->li_flags);
|
|
__swab64s(&li->li_start);
|
|
__swab64s(&li->li_end);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_layout_intent);
|
|
|
|
void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
|
|
{
|
|
lustre_swab_lu_fid(&hpk->hpk_fid);
|
|
__swab64s(&hpk->hpk_cookie);
|
|
__swab64s(&hpk->hpk_extent.offset);
|
|
__swab64s(&hpk->hpk_extent.length);
|
|
__swab16s(&hpk->hpk_flags);
|
|
__swab16s(&hpk->hpk_errval);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_hsm_progress_kernel);
|
|
|
|
void lustre_swab_hsm_request(struct hsm_request *hr)
|
|
{
|
|
__swab32s(&hr->hr_action);
|
|
__swab32s(&hr->hr_archive_id);
|
|
__swab64s(&hr->hr_flags);
|
|
__swab32s(&hr->hr_itemcount);
|
|
__swab32s(&hr->hr_data_len);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_hsm_request);
|
|
|
|
void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
|
|
{
|
|
__swab64s(&msl->msl_flags);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_swap_layouts);
|
|
|
|
void lustre_swab_close_data(struct close_data *cd)
|
|
{
|
|
lustre_swab_lu_fid(&cd->cd_fid);
|
|
__swab64s(&cd->cd_data_version);
|
|
}
|
|
EXPORT_SYMBOL(lustre_swab_close_data);
|