/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001-2003 Cluster File Systems, Inc.
- * Author: Peter J. Braam <braam@clusterfs.com>
- * Author: Phil Schwan <phil@clusterfs.com>
- * Author: Eric Barton <eeb@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/ptlrpc/pack_generic.c
*
* (Un)packing of OST requests
*
+ * Author: Peter J. Braam <braam@clusterfs.com>
+ * Author: Phil Schwan <phil@clusterfs.com>
+ * Author: Eric Barton <eeb@clusterfs.com>
*/
#define DEBUG_SUBSYSTEM S_RPC
# include <liblustre.h>
#endif
-#include <linux/obd_support.h>
-#include <linux/obd_class.h>
-#include <linux/lustre_net.h>
-#include <linux/lustre_sec.h>
-#include <linux/lustre_audit.h>
-#include <linux/fcntl.h>
-#include <linux/posix_acl.h>
+#include <libcfs/libcfs.h>
+
+#include <obd_support.h>
+#include <obd_class.h>
+#include <lustre_net.h>
+#include <obd_cksum.h>
+#include <lustre/ll_fiemap.h>
+
+static inline int lustre_msg_hdr_size_v2(int count)
+{
+ return cfs_size_round(offsetof(struct lustre_msg_v2,
+ lm_buflens[count]));
+}
+
+int lustre_msg_hdr_size(__u32 magic, int count)
+{
+ switch (magic) {
+ case LUSTRE_MSG_MAGIC_V2:
+ return lustre_msg_hdr_size_v2(count);
+ default:
+ LASSERTF(0, "incorrect message magic: %08x\n", magic);
+ return -EINVAL;
+ }
+}
+EXPORT_SYMBOL(lustre_msg_hdr_size);
+void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
+ int index)
+{
+ if (inout)
+ lustre_set_req_swabbed(req, index);
+ else
+ lustre_set_rep_swabbed(req, index);
+}
-#define HDR_SIZE(count) \
- size_round(offsetof (struct lustre_msg, buflens[(count)]))
+int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
+ int index)
+{
+ if (inout)
+ return (ptlrpc_req_need_swab(req) &&
+ !lustre_req_swabbed(req, index));
+ else
+ return (ptlrpc_rep_need_swab(req) &&
+ !lustre_rep_swabbed(req, index));
+}
-int lustre_msg_swabbed(struct lustre_msg *msg)
+static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
+ __u32 version)
{
- return (msg->magic == __swab32(PTLRPC_MSG_MAGIC));
+ __u32 ver = lustre_msg_get_version(msg);
+ return (ver & LUSTRE_VERSION_MASK) != version;
}
int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
{
- if (!lustre_msg_swabbed(msg))
- return (msg->version & LUSTRE_VERSION_MASK) != version;
+ switch (msg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V1:
+ CERROR("msg v1 not supported - please upgrade you system\n");
+ return -EINVAL;
+ case LUSTRE_MSG_MAGIC_V2:
+ return lustre_msg_check_version_v2(msg, version);
+ default:
+ CERROR("incorrect message magic: %08x\n", msg->lm_magic);
+ return 0;
+ }
+}
- return (__swab32(msg->version) & LUSTRE_VERSION_MASK) != version;
+/* early reply size */
+int lustre_msg_early_size()
+{
+ static int size = 0;
+ if (!size)
+ size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, NULL);
+ return size;
}
+EXPORT_SYMBOL(lustre_msg_early_size);
-void lustre_init_msg(struct lustre_msg *msg, int count,
- int *lens, char **bufs)
+int lustre_msg_size_v2(int count, __u32 *lengths)
+{
+ int size;
+ int i;
+
+ size = lustre_msg_hdr_size_v2(count);
+ for (i = 0; i < count; i++)
+ size += cfs_size_round(lengths[i]);
+
+ return size;
+}
+EXPORT_SYMBOL(lustre_msg_size_v2);
+
+/* This returns the size of the buffer that is required to hold a lustre_msg
+ * with the given sub-buffer lengths.
+ * NOTE: this should only be used for NEW requests, and should always be
+ * in the form of a v2 request. If this is a connection to a v1
+ * target then the first buffer will be stripped because the ptlrpc
+ * data is part of the lustre_msg_v1 header. b=14043 */
+int lustre_msg_size(__u32 magic, int count, __u32 *lens)
+{
+ __u32 size[] = { sizeof(struct ptlrpc_body) };
+
+ if (!lens) {
+ LASSERT(count == 1);
+ lens = size;
+ }
+
+ LASSERT(count > 0);
+ LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
+
+ switch (magic) {
+ case LUSTRE_MSG_MAGIC_V2:
+ return lustre_msg_size_v2(count, lens);
+ default:
+ LASSERTF(0, "incorrect message magic: %08x\n", magic);
+ return -EINVAL;
+ }
+}
+
+/* This is used to determine the size of a buffer that was already packed
+ * and will correctly handle the different message formats. */
+int lustre_packed_msg_size(struct lustre_msg *msg)
+{
+ switch (msg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V2:
+ return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
+ default:
+ CERROR("incorrect message magic: %08x\n", msg->lm_magic);
+ return 0;
+ }
+}
+
+void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
+ char **bufs)
{
char *ptr;
- int i;
+ int i;
+
+ msg->lm_bufcount = count;
+ /* XXX: lm_secflvr uninitialized here */
+ msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
- msg->magic = PTLRPC_MSG_MAGIC;
- msg->version = PTLRPC_MSG_VERSION;
- msg->bufcount = count;
for (i = 0; i < count; i++)
- msg->buflens[i] = lens[i];
+ msg->lm_buflens[i] = lens[i];
if (bufs == NULL)
return;
- ptr = (char *)msg + HDR_SIZE(count);
+ ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
for (i = 0; i < count; i++) {
char *tmp = bufs[i];
LOGL(tmp, lens[i], ptr);
}
}
+EXPORT_SYMBOL(lustre_init_msg_v2);
-int lustre_secdesc_size(void)
+static int lustre_pack_request_v2(struct ptlrpc_request *req,
+ int count, __u32 *lens, char **bufs)
{
-#ifdef __KERNEL__
- int ngroups = current_ngroups;
+ int reqlen, rc;
- if (ngroups > LUSTRE_MAX_GROUPS)
- ngroups = LUSTRE_MAX_GROUPS;
+ reqlen = lustre_msg_size_v2(count, lens);
- return sizeof(struct mds_req_sec_desc) +
- sizeof(__u32) * ngroups;
-#else
+ rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
+ if (rc)
+ return rc;
+
+ req->rq_reqlen = reqlen;
+
+ lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
+ lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
return 0;
-#endif
}
-/*
- * because group info might have changed since last time we call
- * secdesc_size(), so here we did more sanity check to prevent garbage gids
- */
-void lustre_pack_secdesc(struct ptlrpc_request *req, int size)
+int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
+ __u32 *lens, char **bufs)
{
-#ifdef __KERNEL__
- struct mds_req_sec_desc *rsd;
-
- rsd = lustre_msg_buf(req->rq_reqmsg,
- MDS_REQ_SECDESC_OFF, size);
-
- rsd->rsd_uid = current->uid;
- rsd->rsd_gid = current->gid;
- rsd->rsd_fsuid = current->fsuid;
- rsd->rsd_fsgid = current->fsgid;
- rsd->rsd_cap = current->cap_effective;
- rsd->rsd_ngroups = (size - sizeof(*rsd)) / sizeof(__u32);
- LASSERT(rsd->rsd_ngroups <= LUSTRE_MAX_GROUPS);
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,4)
- task_lock(current);
- if (rsd->rsd_ngroups > current->group_info->ngroups)
- rsd->rsd_ngroups = current->group_info->ngroups;
- memcpy(rsd->rsd_groups, current->group_info->blocks[0],
- rsd->rsd_ngroups * sizeof(__u32));
- task_unlock(current);
-#else
- LASSERT(rsd->rsd_ngroups <= NGROUPS);
- if (rsd->rsd_ngroups > current->ngroups)
- rsd->rsd_ngroups = current->ngroups;
- memcpy(rsd->rsd_groups, current->groups,
- rsd->rsd_ngroups * sizeof(__u32));
-#endif
-#endif
-}
+ __u32 size[] = { sizeof(struct ptlrpc_body) };
-int lustre_pack_request(struct ptlrpc_request *req,
- int count, int *lens, char **bufs)
-{
- int rc;
- ENTRY;
+ if (!lens) {
+ LASSERT(count == 1);
+ lens = size;
+ }
- req->rq_reqlen = lustre_msg_size(count, lens);
- rc = ptlrpcs_cli_alloc_reqbuf(req, req->rq_reqlen);
- if (rc)
- RETURN(rc);
+ LASSERT(count > 0);
+ LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
+
+ /* only use new format, we don't need to be compatible with 1.4 */
+ magic = LUSTRE_MSG_MAGIC_V2;
- lustre_init_msg(req->rq_reqmsg, count, lens, bufs);
- RETURN (0);
+ switch (magic) {
+ case LUSTRE_MSG_MAGIC_V2:
+ return lustre_pack_request_v2(req, count, lens, bufs);
+ default:
+ LASSERTF(0, "incorrect message magic: %08x\n", magic);
+ return -EINVAL;
+ }
}
#if RS_DEBUG
-LIST_HEAD(ptlrpc_rs_debug_lru);
-spinlock_t ptlrpc_rs_debug_lock = SPIN_LOCK_UNLOCKED;
+CFS_LIST_HEAD(ptlrpc_rs_debug_lru);
+cfs_spinlock_t ptlrpc_rs_debug_lock;
#define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
do { \
- unsigned long __flags; \
- \
- spin_lock_irqsave(&ptlrpc_rs_debug_lock, __flags); \
- list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
- spin_unlock_irqrestore(&ptlrpc_rs_debug_lock, __flags); \
+ cfs_spin_lock(&ptlrpc_rs_debug_lock); \
+ cfs_list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
+ cfs_spin_unlock(&ptlrpc_rs_debug_lock); \
} while (0)
-#define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
-do { \
- unsigned long __flags; \
- \
- spin_lock_irqsave(&ptlrpc_rs_debug_lock, __flags); \
- list_del(&(rs)->rs_debug_list); \
- spin_unlock_irqrestore(&ptlrpc_rs_debug_lock, __flags); \
+#define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
+do { \
+ cfs_spin_lock(&ptlrpc_rs_debug_lock); \
+ cfs_list_del(&(rs)->rs_debug_list); \
+ cfs_spin_unlock(&ptlrpc_rs_debug_lock); \
} while (0)
#else
# define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
# define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
#endif
-int lustre_pack_reply(struct ptlrpc_request *req,
- int count, int *lens, char **bufs)
+struct ptlrpc_reply_state *lustre_get_emerg_rs(struct ptlrpc_service *svc)
+{
+ struct ptlrpc_reply_state *rs = NULL;
+
+ cfs_spin_lock(&svc->srv_lock);
+ /* See if we have anything in a pool, and wait if nothing */
+ while (cfs_list_empty(&svc->srv_free_rs_list)) {
+ struct l_wait_info lwi;
+ int rc;
+ cfs_spin_unlock(&svc->srv_lock);
+ /* If we cannot get anything for some long time, we better
+ bail out instead of waiting infinitely */
+ lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
+ rc = l_wait_event(svc->srv_free_rs_waitq,
+ !cfs_list_empty(&svc->srv_free_rs_list),
+ &lwi);
+ if (rc)
+ goto out;
+ cfs_spin_lock(&svc->srv_lock);
+ }
+
+ rs = cfs_list_entry(svc->srv_free_rs_list.next,
+ struct ptlrpc_reply_state, rs_list);
+ cfs_list_del(&rs->rs_list);
+ cfs_spin_unlock(&svc->srv_lock);
+ LASSERT(rs);
+ memset(rs, 0, svc->srv_max_reply_size);
+ rs->rs_service = svc;
+ rs->rs_prealloc = 1;
+out:
+ return rs;
+}
+
+void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
+{
+ struct ptlrpc_service *svc = rs->rs_service;
+
+ LASSERT(svc);
+
+ cfs_spin_lock(&svc->srv_lock);
+ cfs_list_add(&rs->rs_list, &svc->srv_free_rs_list);
+ cfs_spin_unlock(&svc->srv_lock);
+ cfs_waitq_signal(&svc->srv_free_rs_waitq);
+}
+
+int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
+ __u32 *lens, char **bufs, int flags)
{
struct ptlrpc_reply_state *rs;
- int rc;
+ int msg_len, rc;
ENTRY;
LASSERT(req->rq_reply_state == NULL);
- LASSERT(req->rq_svcsec);
- LASSERT(req->rq_repmsg == NULL);
- req->rq_replen = lustre_msg_size(count, lens);
- rc = svcsec_alloc_repbuf(req->rq_svcsec, req, req->rq_replen);
+ if ((flags & LPRFL_EARLY_REPLY) == 0)
+ req->rq_packed_final = 1;
+
+ msg_len = lustre_msg_size_v2(count, lens);
+ rc = sptlrpc_svc_alloc_rs(req, msg_len);
if (rc)
RETURN(rc);
- LASSERT(req->rq_reply_state);
- LASSERT(req->rq_repmsg == req->rq_reply_state->rs_msg);
-
+
rs = req->rq_reply_state;
- rs->rs_svcsec = svcsec_get(req->rq_svcsec);
+ cfs_atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
rs->rs_cb_id.cbid_fn = reply_out_callback;
rs->rs_cb_id.cbid_arg = rs;
- rs->rs_srv_ni = req->rq_rqbd->rqbd_srv_ni;
- INIT_LIST_HEAD(&rs->rs_exp_list);
- INIT_LIST_HEAD(&rs->rs_obd_list);
+ rs->rs_service = req->rq_rqbd->rqbd_service;
+ CFS_INIT_LIST_HEAD(&rs->rs_exp_list);
+ CFS_INIT_LIST_HEAD(&rs->rs_obd_list);
+ CFS_INIT_LIST_HEAD(&rs->rs_list);
+ cfs_spin_lock_init(&rs->rs_lock);
- lustre_init_msg(rs->rs_msg, count, lens, bufs);
+ req->rq_replen = msg_len;
+ req->rq_reply_state = rs;
+ req->rq_repmsg = rs->rs_msg;
+
+ lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
+ lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
PTLRPC_RS_DEBUG_LRU_ADD(rs);
- RETURN (0);
+ RETURN(0);
}
+EXPORT_SYMBOL(lustre_pack_reply_v2);
-void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
+int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
+ char **bufs, int flags)
+{
+ int rc = 0;
+ __u32 size[] = { sizeof(struct ptlrpc_body) };
+
+ if (!lens) {
+ LASSERT(count == 1);
+ lens = size;
+ }
+
+ LASSERT(count > 0);
+ LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
+
+ switch (req->rq_reqmsg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V2:
+ rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
+ break;
+ default:
+ LASSERTF(0, "incorrect message magic: %08x\n",
+ req->rq_reqmsg->lm_magic);
+ rc = -EINVAL;
+ }
+ if (rc != 0)
+ CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
+ lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
+ return rc;
+}
+
+int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
+ char **bufs)
{
- struct ptlrpc_svcsec *svcsec = rs->rs_svcsec;
+ return lustre_pack_reply_flags(req, count, lens, bufs, 0);
+}
+void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
+{
+ int i, offset, buflen, bufcount;
+
+ LASSERT(m != NULL);
+ LASSERT(n >= 0);
+
+ bufcount = m->lm_bufcount;
+ if (unlikely(n >= bufcount)) {
+ CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
+ m, n, bufcount);
+ return NULL;
+ }
+
+ buflen = m->lm_buflens[n];
+ if (unlikely(buflen < min_size)) {
+ CERROR("msg %p buffer[%d] size %d too small "
+ "(required %d, opc=%d)\n", m, n, buflen, min_size,
+ n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
+ return NULL;
+ }
+
+ offset = lustre_msg_hdr_size_v2(bufcount);
+ for (i = 0; i < n; i++)
+ offset += cfs_size_round(m->lm_buflens[i]);
+
+ return (char *)m + offset;
+}
+
+void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
+{
+ switch (m->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V2:
+ return lustre_msg_buf_v2(m, n, min_size);
+ default:
+ LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
+ return NULL;
+ }
+}
+
+int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
+ unsigned int newlen, int move_data)
+{
+ char *tail = NULL, *newpos;
+ int tail_len = 0, n;
+
+ LASSERT(msg);
+ LASSERT(msg->lm_bufcount > segment);
+ LASSERT(msg->lm_buflens[segment] >= newlen);
+
+ if (msg->lm_buflens[segment] == newlen)
+ goto out;
+
+ if (move_data && msg->lm_bufcount > segment + 1) {
+ tail = lustre_msg_buf_v2(msg, segment + 1, 0);
+ for (n = segment + 1; n < msg->lm_bufcount; n++)
+ tail_len += cfs_size_round(msg->lm_buflens[n]);
+ }
+
+ msg->lm_buflens[segment] = newlen;
+
+ if (tail && tail_len) {
+ newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
+ LASSERT(newpos <= tail);
+ if (newpos != tail)
+ memmove(newpos, tail, tail_len);
+ }
+out:
+ return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
+}
+
+/*
+ * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
+ * we also move data forward from @segment + 1.
+ *
+ * if @newlen == 0, we remove the segment completely, but we still keep the
+ * totally bufcount the same to save possible data moving. this will leave a
+ * unused segment with size 0 at the tail, but that's ok.
+ *
+ * return new msg size after shrinking.
+ *
+ * CAUTION:
+ * + if any buffers higher than @segment has been filled in, must call shrink
+ * with non-zero @move_data.
+ * + caller should NOT keep pointers to msg buffers which higher than @segment
+ * after call shrink.
+ */
+int lustre_shrink_msg(struct lustre_msg *msg, int segment,
+ unsigned int newlen, int move_data)
+{
+ switch (msg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V2:
+ return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
+ default:
+ LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
+ }
+}
+
+void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
+{
PTLRPC_RS_DEBUG_LRU_DEL(rs);
- LASSERT(!rs->rs_difficult || rs->rs_handled);
- LASSERT(!rs->rs_on_net);
- LASSERT(!rs->rs_scheduled);
- LASSERT(rs->rs_export == NULL);
- LASSERT(rs->rs_nlocks == 0);
- LASSERT(list_empty(&rs->rs_exp_list));
- LASSERT(list_empty(&rs->rs_obd_list));
- LASSERT(svcsec);
-
- if (svcsec->free_repbuf)
- svcsec->free_repbuf(svcsec, rs);
- else
- svcsec_free_reply_state(rs);
+ LASSERT (cfs_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 == NULL);
+ LASSERT (rs->rs_nlocks == 0);
+ LASSERT (cfs_list_empty(&rs->rs_exp_list));
+ LASSERT (cfs_list_empty(&rs->rs_obd_list));
+
+ sptlrpc_svc_free_rs(rs);
+}
+
+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;
+ }
- svcsec_put(svcsec);
+ 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;
+ ENTRY;
+
+ /* 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;
+}
+
+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;
+}
+
+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(*pb));
+ 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;
+ }
+
+ 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);
+
+static inline void
+lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
+{
+ if (n >= m->lm_bufcount)
+ LBUG();
+
+ m->lm_buflens[n] = len;
+}
+
+void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
+{
+ switch (m->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V2:
+ lustre_msg_set_buflen_v2(m, n, len);
+ return;
+ default:
+ LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
+ }
+}
+
+EXPORT_SYMBOL(lustre_msg_set_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 == NULL) {
+ 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;
+}
+
+/* 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;
+
+ LASSERT(msg != 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));
+}
+
+__u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
+{
+ switch (msg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V1:
+ case LUSTRE_MSG_MAGIC_V1_SWABBED:
+ return 0;
+ case LUSTRE_MSG_MAGIC_V2:
+ /* already in host endian */
+ return msg->lm_flags;
+ default:
+ LASSERTF(0, "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_V1:
+ return;
+ 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) {
+ CERROR("invalid msg %p: no ptlrpc body!\n", msg);
+ return 0;
+ }
+ return pb->pb_flags;
+ }
+ default:
+ /* flags might be printed in debug code while message
+ * uninitialized */
+ return 0;
+ }
+}
+
+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);
+ }
+}
+
+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);
+ }
+}
+
+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 &= ~(MSG_GEN_FLAG_MASK & flags);
+ return;
+ }
+ default:
+ LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
+ }
+}
+
+__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) {
+ CERROR("invalid msg %p: no ptlrpc body!\n", msg);
+ return 0;
+ }
+ return pb->pb_op_flags;
+ }
+ default:
+ return 0;
+ }
+}
+
+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);
+ }
+}
+
+void lustre_msg_set_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);
+ }
+}
+
+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;
+ }
+}
+
+__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;
+ }
+}
+
+__u32 lustre_msg_get_version(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_version;
+ }
+ default:
+ CERROR("incorrect message magic: %08x\n", msg->lm_magic);
+ return 0;
+ }
+}
+
+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);
+ }
+}
+
+__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);
+ LBUG();
+ return 0;
+ }
+}
+
+__u64 lustre_msg_get_last_xid(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_xid;
+ }
+ default:
+ CERROR("incorrect message magic: %08x\n", msg->lm_magic);
+ return 0;
+ }
+}
+
+__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;
+ }
+}
+
+__u64 *lustre_msg_get_versions(struct lustre_msg *msg)
+{
+ switch (msg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V1:
+ return NULL;
+ 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;
+ }
+}
+
+__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;
+ }
+}
+
+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) {
+ CERROR("invalid msg %p: no ptlrpc body!\n", msg);
+ return -EINVAL;
+ }
+ return pb->pb_status;
+ }
+ default:
+ /* status might be printed in debug code while message
+ * uninitialized */
+ return -EINVAL;
+ }
+}
+
+__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;
+ }
+}
+
+
+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;
+ }
+}
+
+__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;
+ }
+}
+
+
+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;
+ }
+}
+
+__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;
+ }
+}
+
+int lustre_msg_is_v1(struct lustre_msg *msg)
+{
+ switch (msg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V1:
+ case LUSTRE_MSG_MAGIC_V1_SWABBED:
+ return 1;
+ default:
+ return 0;
+ }
}
-/* This returns the size of the buffer that is required to hold a lustre_msg
- * with the given sub-buffer lengths. */
-int lustre_msg_size(int count, int *lengths)
+__u32 lustre_msg_get_magic(struct lustre_msg *msg)
{
- int size;
- int i;
+ 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;
+ }
+}
- size = HDR_SIZE (count);
- for (i = 0; i < count; i++)
- size += size_round(lengths[i]);
+__u32 lustre_msg_get_timeout(struct lustre_msg *msg)
+{
+ switch (msg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V1:
+ case LUSTRE_MSG_MAGIC_V1_SWABBED:
+ return 0;
+ 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 size;
+ }
+ return pb->pb_timeout;
+ }
+ default:
+ CERROR("incorrect message magic: %08x\n", msg->lm_magic);
+ return 0;
+ }
}
-int lustre_unpack_msg(struct lustre_msg *m, int len)
+__u32 lustre_msg_get_service_time(struct lustre_msg *msg)
{
- int flipped;
- int required_len;
- int i;
- ENTRY;
+ switch (msg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V1:
+ case LUSTRE_MSG_MAGIC_V1_SWABBED:
+ return 0;
+ 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;
- /* 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 = MAX(offsetof(struct lustre_msg, version) +
- sizeof(m->version),
- offsetof(struct lustre_msg, magic) +
- sizeof(m->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);
+ }
+ return pb->pb_service_time;
}
-
- flipped = lustre_msg_swabbed(m);
- if (flipped)
- __swab32s(&m->version);
- else if (m->magic != PTLRPC_MSG_MAGIC) {
- CERROR("wrong lustre_msg magic %#08x\n", m->magic);
- RETURN(-EINVAL);
+ default:
+ CERROR("incorrect message magic: %08x\n", msg->lm_magic);
+ return 0;
}
+}
- if ((m->version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
- CERROR("wrong lustre_msg version %#08x\n", m->version);
- RETURN(-EINVAL);
+__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;
}
+}
- /* Now we know the sender speaks my language (but possibly flipped)...*/
- required_len = HDR_SIZE(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);
+__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);
+ LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
+ return crc32_le(~(__u32)0, (unsigned char *)pb, sizeof(*pb));
}
-
- if (flipped) {
- __swab32s(&m->type);
- __swab32s(&m->opc);
- __swab64s(&m->last_xid);
- __swab64s(&m->last_committed);
- __swab64s(&m->transno);
- __swab32s(&m->status);
- __swab32s(&m->bufcount);
- __swab32s(&m->flags);
+ default:
+ CERROR("incorrect message magic: %08x\n", msg->lm_magic);
+ return 0;
}
+}
- required_len = HDR_SIZE(m->bufcount);
-
- if (len < required_len) {
- /* didn't receive all the buffer lengths */
- CERROR ("message length %d too small for %d buflens\n",
- len, m->bufcount);
- RETURN(-EINVAL);
+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;
}
-
- for (i = 0; i < m->bufcount; i++) {
- if (flipped)
- __swab32s (&m->buflens[i]);
- required_len += size_round(m->buflens[i]);
+ default:
+ LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
}
+}
- if (len < required_len) {
- CERROR("len: %d, required_len %d\n", len, required_len);
- CERROR("bufcount: %d\n", m->bufcount);
- for (i = 0; i < m->bufcount; i++)
- CERROR("buffer %d length %d\n", i, m->buflens[i]);
- RETURN(-EINVAL);
+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);
}
-
- RETURN(0);
}
-void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
+void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
{
- int i;
- int offset;
- int buflen;
- int bufcount;
-
- LASSERT (m != NULL);
- LASSERT (n >= 0);
-
- bufcount = m->bufcount;
- if (n >= bufcount) {
- CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
- m, n, bufcount);
- return NULL;
+ 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;
}
-
- buflen = m->buflens[n];
- if (buflen < min_size) {
- CERROR("msg %p buffer[%d] size %d too small (required %d)\n",
- m, n, buflen, min_size);
- return NULL;
+ default:
+ LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
}
-
- offset = HDR_SIZE(bufcount);
- for (i = 0; i < n; i++)
- offset += size_round(m->buflens[i]);
-
- return (char *)m + offset;
}
-char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
+void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
{
- /* max_len == 0 means the string should fill the buffer */
- char *str = lustre_msg_buf(m, index, 0);
- int slen;
- int blen;
-
- if (str == NULL) {
- CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
- return (NULL);
+ 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_last_xid = last_xid;
+ return;
}
-
- blen = m->buflens[index];
- 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);
+ default:
+ LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
}
+}
- 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);
+void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
+{
+ 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_last_committed = last_committed;
+ return;
+ }
+ default:
+ LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
}
-
- return (str);
}
-/* Wrap up the normal fixed length cases */
-void *lustre_swab_buf(struct lustre_msg *msg, int index, int min_size,
- void *swabber)
+void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
{
- void *ptr;
-
- ptr = lustre_msg_buf(msg, index, min_size);
- if (ptr == NULL)
- return NULL;
-
- if (swabber != NULL && lustre_msg_swabbed(msg))
- ((void (*)(void *))swabber)(ptr);
+ switch (msg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V1:
+ return;
+ 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);
+ }
+}
- return ptr;
+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);
+ }
}
-void *lustre_swab_reqbuf(struct ptlrpc_request *req, int index, int min_size,
- void *swabber)
+void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
{
- LASSERT_REQSWAB(req, index);
- return lustre_swab_buf(req->rq_reqmsg, index, min_size, swabber);
+ 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);
+ }
}
-void *lustre_swab_repbuf(struct ptlrpc_request *req, int index, int min_size,
- void *swabber)
+void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
{
- LASSERT_REPSWAB(req, index);
- return lustre_swab_buf(req->rq_repmsg, index, min_size, swabber);
+ 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);
+ }
}
-/* byte flipping routines for all wire types declared in
- * lustre_idl.h implemented here.
- */
+void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
+{
+ switch (msg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V1:
+ return;
+ 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_swab_connect(struct obd_connect_data *ocd)
+void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
{
- __swab64s(&ocd->ocd_connect_flags);
- __swab32s(&ocd->ocd_nllu[0]);
- __swab32s(&ocd->ocd_nllu[1]);
-}
-
-void lustre_swab_obdo(struct obdo *o)
-{
- __swab64s(&o->o_id);
- __swab64s(&o->o_gr);
- __swab64s(&o->o_atime);
- __swab64s(&o->o_mtime);
- __swab64s(&o->o_ctime);
- __swab64s(&o->o_size);
- __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_generation);
- __swab64s(&o->o_valid);
- __swab32s(&o->o_misc);
- __swab32s(&o->o_easize);
- __swab32s(&o->o_mds);
- __swab64s(&o->o_fid);
- /* o_inline is opaque */
+ switch (msg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V1:
+ return;
+ 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);
+ }
}
-/* mdc pack methods used by mdc and smfs*/
-void *mdc_create_pack(struct lustre_msg *msg, int offset,
- struct mdc_op_data *op_data, __u32 mode,
- __u64 rdev, const void *data, int datalen)
+void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
{
- struct mds_rec_create *rec;
- char *tmp;
- rec = lustre_msg_buf(msg, offset, sizeof (*rec));
+ switch (msg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V1:
+ return;
+ case LUSTRE_MSG_MAGIC_V2:
+ msg->lm_cksum = cksum;
+ return;
+ default:
+ LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
+ }
+}
- rec->cr_opcode = REINT_CREATE;
- rec->cr_id = op_data->id1;
- memset(&rec->cr_replayid, 0, sizeof(rec->cr_replayid));
- rec->cr_mode = mode;
- rec->cr_rdev = rdev;
- rec->cr_time = op_data->mod_time;
- tmp = lustre_msg_buf(msg, offset + 1, op_data->namelen + 1);
- LOGL0(op_data->name, op_data->namelen, tmp);
+void ptlrpc_request_set_replen(struct ptlrpc_request *req)
+{
+ int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
- if (data) {
- tmp = lustre_msg_buf(msg, offset + 2, datalen);
- memcpy (tmp, data, datalen);
- }
- return ((void*)tmp + size_round(datalen));
+ 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;
}
-__u32 mds_pack_open_flags(__u32 flags)
+void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
{
- return
- (flags & (FMODE_READ | FMODE_WRITE | FMODE_EXEC |
- MDS_OPEN_DELAY_CREATE | MDS_OPEN_HAS_EA |
- MDS_OPEN_HAS_OBJS)) |
- ((flags & O_CREAT) ? MDS_OPEN_CREAT : 0) |
- ((flags & O_EXCL) ? MDS_OPEN_EXCL : 0) |
- ((flags & O_TRUNC) ? MDS_OPEN_TRUNC : 0) |
- ((flags & O_APPEND) ? MDS_OPEN_APPEND : 0) |
- ((flags & O_SYNC) ? MDS_OPEN_SYNC : 0) |
- ((flags & O_DIRECTORY) ? MDS_OPEN_DIRECTORY : 0) |
- 0;
+ req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
+ if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
+ req->rq_reqmsg->lm_repsize = req->rq_replen;
}
-void *mdc_setattr_pack(struct lustre_msg *msg, int offset,
- struct mdc_op_data *data, struct iattr *iattr,
- void *ea, int ealen, void *ea2, int ea2len,
- void *ea3, int ea3len)
+/**
+ * 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,
+ obd_count keylen, void *key,
+ obd_count vallen, void *val,
+ struct ptlrpc_request_set *set)
{
- struct mds_rec_setattr *rec = lustre_msg_buf(msg, offset, sizeof(*rec));
- char *tmp = NULL;
-
- rec->sa_opcode = REINT_SETATTR;
- rec->sa_id = data->id1;
+ struct ptlrpc_request *req;
+ char *tmp;
+ int rc;
+ ENTRY;
- if (iattr) {
- rec->sa_valid = iattr->ia_valid;
- rec->sa_mode = iattr->ia_mode;
- rec->sa_uid = iattr->ia_uid;
- rec->sa_gid = iattr->ia_gid;
- rec->sa_size = iattr->ia_size;
- rec->sa_atime = LTIME_S(iattr->ia_atime);
- rec->sa_mtime = LTIME_S(iattr->ia_mtime);
- rec->sa_ctime = LTIME_S(iattr->ia_ctime);
- rec->sa_attr_flags = iattr->ia_attr_flags;
+ req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
+ if (req == NULL)
+ 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 = (char*)rec + size_round(sizeof(*rec));
-
- if (ealen == 0)
- return (void*)tmp;
- memcpy(lustre_msg_buf(msg, offset + 1, ealen), ea, ealen);
- tmp += size_round(ealen);
+ 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);
- if (ea2len == 0)
- return (void*)tmp;
+ ptlrpc_request_set_replen(req);
- memcpy(lustre_msg_buf(msg, offset + 2, ea2len), ea2, ea2len);
- tmp += size_round(ea2len);
-
- if (ea3len == 0)
- return (void*)tmp;
-
- memcpy(lustre_msg_buf(msg, offset + 3, ea3len), ea3, ea3len);
- tmp += size_round(ea3len);
+ if (set) {
+ ptlrpc_set_add_req(set, req);
+ ptlrpc_check_set(NULL, set);
+ } else {
+ rc = ptlrpc_queue_wait(req);
+ ptlrpc_req_finished(req);
+ }
- return (void*)tmp;
+ RETURN(rc);
}
+EXPORT_SYMBOL(do_set_info_async);
-void *mdc_unlink_pack(struct lustre_msg *msg, int offset,
- struct mdc_op_data *data)
+/* byte flipping routines for all wire types declared in
+ * lustre_idl.h implemented here.
+ */
+void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
{
- struct mds_rec_unlink *rec;
- char *tmp;
-
- rec = lustre_msg_buf(msg, offset, sizeof (*rec));
- LASSERT (rec != NULL);
-
- rec->ul_opcode = REINT_UNLINK;
- rec->ul_mode = data->create_mode;
- rec->ul_id1 = data->id1;
- rec->ul_id2 = data->id2;
- rec->ul_time = data->mod_time;
-
- tmp = lustre_msg_buf(msg, offset + 1, data->namelen + 1);
- LASSERT (tmp != NULL);
- LOGL0(data->name, data->namelen, tmp);
- return (void*)tmp;
+ __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);
}
-void *mdc_link_pack(struct lustre_msg *msg, int offset,
- struct mdc_op_data *data)
+void lustre_swab_connect(struct obd_connect_data *ocd)
{
- struct mds_rec_link *rec;
- char *tmp;
-
- rec = lustre_msg_buf(msg, offset, sizeof (*rec));
-
- rec->lk_opcode = REINT_LINK;
- rec->lk_id1 = data->id1;
- rec->lk_id2 = data->id2;
- rec->lk_time = data->mod_time;
-
- tmp = lustre_msg_buf(msg, offset + 1, data->namelen + 1);
- LOGL0(data->name, data->namelen, tmp);
-
- return (void*)tmp;
+ __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);
+ __swab32s(&ocd->ocd_nllu);
+ __swab32s(&ocd->ocd_nllg);
+ __swab64s(&ocd->ocd_transno);
+ __swab32s(&ocd->ocd_group);
+ __swab32s(&ocd->ocd_cksum_types);
+ CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
+ CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
}
-void *mdc_rename_pack(struct lustre_msg *msg, int offset,
- struct mdc_op_data *data,
- const char *old, int oldlen,
- const char *new, int newlen)
+void lustre_swab_obdo (struct obdo *o)
{
- struct mds_rec_rename *rec;
- char *tmp;
-
- rec = lustre_msg_buf(msg, offset, sizeof (*rec));
-
- /* XXX do something about time, uid, gid */
- rec->rn_opcode = REINT_RENAME;
- rec->rn_id1 = data->id1;
- rec->rn_id2 = data->id2;
- rec->rn_time = data->mod_time;
-
- tmp = lustre_msg_buf(msg, offset + 1, oldlen + 1);
- LOGL0(old, oldlen, tmp);
-
- if (new) {
- tmp = lustre_msg_buf(msg, offset + 2, newlen + 1);
- LOGL0(new, newlen, tmp);
- }
- return (void*)tmp;
+ __swab64s (&o->o_valid);
+ __swab64s (&o->o_id);
+ __swab64s (&o->o_gr);
+ __swab64s (&o->o_fid);
+ __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_generation);
+ __swab32s (&o->o_misc);
+ __swab64s (&o->o_ioepoch);
+ __swab32s (&o->o_stripe_idx);
+ __swab32s (&o->o_padding_1);
+ /* o_inline is opaque */
}
-void lustre_swab_obd_statfs(struct obd_statfs *os)
+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_ffree);
- /* no need to swap os_fsid */
- __swab32s(&os->os_bsize);
- __swab32s(&os->os_namelen);
+ __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);
/* no need to swap os_spare */
}
-void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
+void lustre_swab_obd_ioobj (struct obd_ioobj *ioo)
{
- __swab64s(&ioo->ioo_id);
- __swab64s(&ioo->ioo_gr);
- __swab32s(&ioo->ioo_type);
- __swab32s(&ioo->ioo_bufcnt);
+ __swab64s (&ioo->ioo_id);
+ __swab64s (&ioo->ioo_gr);
+ __swab32s (&ioo->ioo_type);
+ __swab32s (&ioo->ioo_bufcnt);
}
-void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
+void lustre_swab_niobuf_remote (struct niobuf_remote *nbr)
{
- __swab64s(&nbr->offset);
- __swab32s(&nbr->len);
- __swab32s(&nbr->flags);
+ __swab64s (&nbr->offset);
+ __swab32s (&nbr->len);
+ __swab32s (&nbr->flags);
}
-void lustre_swab_ost_body(struct ost_body *b)
+void lustre_swab_ost_body (struct ost_body *b)
{
- lustre_swab_obdo(&b->oa);
+ lustre_swab_obdo (&b->oa);
}
void lustre_swab_ost_last_id(obd_id *id)
__swab64s(&lvb->lvb_blocks);
}
-void lustre_swab_lustre_stc (struct lustre_stc *stc)
+void lustre_swab_mds_status_req (struct mds_status_req *r)
{
- __swab64s(&stc->u.e3s.l3s_ino);
- __swab32s(&stc->u.e3s.l3s_gen);
- __swab32s(&stc->u.e3s.l3s_type);
+ __swab32s (&r->flags);
+ __swab32s (&r->repbuf);
}
-void lustre_swab_lustre_fid(struct lustre_fid *fid)
+void lustre_swab_mds_body (struct mds_body *b)
{
- __swab64s(&fid->lf_id);
- __swab64s(&fid->lf_group);
- /*__swab32s (&fid->lf_version);*/
+ lustre_swab_ll_fid (&b->fid1);
+ lustre_swab_ll_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->io_epoch);
+ __swab64s (&b->ino);
+ __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);
+ __swab32s (&b->generation);
+ __swab32s (&b->suppgid);
+ __swab32s (&b->eadatasize);
+ __swab32s (&b->aclsize);
+ __swab32s (&b->max_mdsize);
+ __swab32s (&b->max_cookiesize);
+ __swab32s (&b->padding_4);
}
-void lustre_swab_lustre_id(struct lustre_id *id)
+void lustre_swab_mdt_body (struct mdt_body *b)
{
- lustre_swab_lustre_stc(&id->li_stc);
- lustre_swab_lustre_fid(&id->li_fid);
+ 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->ino);
+ __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);
+ __swab32s (&b->generation);
+ __swab32s (&b->suppgid);
+ __swab32s (&b->eadatasize);
+ __swab32s (&b->aclsize);
+ __swab32s (&b->max_mdsize);
+ __swab32s (&b->max_cookiesize);
+ __swab32s (&b->padding_4);
}
-void lustre_swab_parseid_pkg (struct parseid_pkg *pkg)
+void lustre_swab_mdt_ioepoch (struct mdt_ioepoch *b)
{
- __swab32s(&pkg->pp_type);
- __swab32s(&pkg->pp_rc);
- lustre_swab_lustre_id(&pkg->pp_id1);
- lustre_swab_lustre_id(&pkg->pp_id2);
+ /* handle is opaque */
+ __swab64s (&b->ioepoch);
+ __swab32s (&b->flags);
+ CLASSERT(offsetof(typeof(*b), padding) != 0);
}
-void lustre_swab_mds_status_req(struct mds_status_req *r)
+void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
{
- __swab32s(&r->flags);
- __swab32s(&r->repbuf);
+ int i;
+ __swab32s(&mti->mti_lustre_ver);
+ __swab32s(&mti->mti_stripe_index);
+ __swab32s(&mti->mti_config_ver);
+ __swab32s(&mti->mti_flags);
+ __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]);
}
-/*
- * because sec_desc is variable buffer, we must check it by hand
- */
-struct mds_req_sec_desc *lustre_swab_mds_secdesc(struct ptlrpc_request *req,
- int offset)
+static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
{
- struct mds_req_sec_desc *rsd;
- struct lustre_msg *m;
- __u32 i;
+ __swab64s (&i->dqi_bgrace);
+ __swab64s (&i->dqi_igrace);
+ __swab32s (&i->dqi_flags);
+ __swab32s (&i->dqi_valid);
+}
- LASSERT_REQSWAB(req, offset);
+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), padding) != 0);
+}
- m = req->rq_reqmsg;
- rsd = lustre_msg_buf(m, offset, sizeof(*rsd));
- if (!rsd)
- return NULL;
+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);
+}
- if (lustre_msg_swabbed(m)) {
- __swab32s(&rsd->rsd_uid);
- __swab32s(&rsd->rsd_gid);
- __swab32s(&rsd->rsd_fsuid);
- __swab32s(&rsd->rsd_fsgid);
- __swab32s(&rsd->rsd_cap);
- __swab32s(&rsd->rsd_ngroups);
- }
+void lustre_swab_quota_adjust_qunit (struct quota_adjust_qunit *q)
+{
+ __swab32s (&q->qaq_flags);
+ __swab32s (&q->qaq_id);
+ __swab64s (&q->qaq_bunit_sz);
+ __swab64s (&q->qaq_iunit_sz);
+ __swab64s (&q->padding1);
+}
- if (rsd->rsd_ngroups > LUSTRE_MAX_GROUPS) {
- CERROR("%u groups is not allowed\n", rsd->rsd_ngroups);
- return NULL;
- }
+void lustre_swab_mds_remote_perm (struct mds_remote_perm *p)
+{
+ __swab32s (&p->rp_uid);
+ __swab32s (&p->rp_gid);
+ __swab32s (&p->rp_fsuid);
+ __swab32s (&p->rp_fsgid);
+ __swab32s (&p->rp_access_perm);
+};
+
+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_fsgid);
+ __swab32s (&p->rp_access_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);
- if (m->buflens[offset] !=
- sizeof(*rsd) + rsd->rsd_ngroups * sizeof(__u32)) {
- CERROR("bufflen %u while contains %u groups\n",
- m->buflens[offset], rsd->rsd_ngroups);
- return NULL;
- }
+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);
+}
- if (lustre_msg_swabbed(m)) {
- for (i = 0; i < rsd->rsd_ngroups; i++)
- __swab32s(&rsd->rsd_groups[i]);
- }
+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);
- return rsd;
+ for (i = 0; i < fiemap->fm_mapped_extents; i++)
+ lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
}
-void lustre_swab_mds_body(struct mds_body *b)
+void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
{
- lustre_swab_lustre_id(&b->id1);
- lustre_swab_lustre_id(&b->id2);
- /* handle is opaque */
- __swab64s(&b->size);
- __swab64s(&b->blocks);
- __swab64s(&b->valid);
- __swab64s (&b->audit);
- __swab32s(&b->mode);
- __swab32s(&b->uid);
- __swab32s(&b->gid);
- __swab32s(&b->mtime);
- __swab32s(&b->ctime);
- __swab32s(&b->atime);
- __swab32s(&b->flags);
- __swab32s(&b->rdev);
- __swab32s(&b->nlink);
- __swab32s(&b->eadatasize);
+ __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_padding_1);
+ __swab32s (&rr->rr_padding_2);
+ __swab32s (&rr->rr_padding_3);
+ __swab32s (&rr->rr_padding_4);
+
+ CLASSERT(offsetof(typeof(*rr), rr_padding_1) != 0);
+ CLASSERT(offsetof(typeof(*rr), rr_padding_2) != 0);
+ CLASSERT(offsetof(typeof(*rr), rr_padding_3) != 0);
+ CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
+};
+
+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 */
+}
+
+void lustre_swab_lmv_desc (struct lmv_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_hash_size);
+ __swab32s (&ld->ld_qos_maxage);
+ /* uuid endian insensitive */
+}
+
+void lustre_swab_lmv_stripe_md (struct lmv_stripe_md *mea)
+{
+ __swab32s(&mea->mea_magic);
+ __swab32s(&mea->mea_count);
+ __swab32s(&mea->mea_master);
+ CLASSERT(offsetof(typeof(*mea), mea_padding) != 0);
}
-void lustre_swab_mds_rec_setattr(struct mds_rec_setattr *sa)
+
+
+static void print_lum (struct lov_user_md *lum)
{
- __swab32s(&sa->sa_opcode);
- __swab32s(&sa->sa_valid);
- lustre_swab_lustre_id(&sa->sa_id);
- __swab32s(&sa->sa_mode);
- __swab32s(&sa->sa_uid);
- __swab32s(&sa->sa_gid);
- __swab32s(&sa->sa_attr_flags);
- __swab64s(&sa->sa_size);
- __swab64s(&sa->sa_atime);
- __swab64s(&sa->sa_mtime);
- __swab64s(&sa->sa_ctime);
+ 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: "LPU64"\n", lum->lmm_object_id);
+ CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lum->lmm_object_gr);
+ 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: %#x\n", lum->lmm_stripe_offset);
}
-void lustre_swab_mds_rec_create(struct mds_rec_create *cr)
+static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
{
- __swab32s(&cr->cr_opcode);
- __swab32s(&cr->cr_flags); /* for use with open */
- __swab32s(&cr->cr_mode);
- lustre_swab_lustre_id(&cr->cr_id);
- lustre_swab_lustre_id(&cr->cr_replayid);
- __swab64s(&cr->cr_time);
- __swab64s(&cr->cr_rdev);
+ ENTRY;
+ __swab32s(&lum->lmm_magic);
+ __swab32s(&lum->lmm_pattern);
+ __swab64s(&lum->lmm_object_id);
+ __swab64s(&lum->lmm_object_gr);
+ __swab32s(&lum->lmm_stripe_size);
+ __swab16s(&lum->lmm_stripe_count);
+ __swab16s(&lum->lmm_stripe_offset);
+ print_lum(lum);
+ EXIT;
}
-void lustre_swab_mds_rec_link(struct mds_rec_link *lk)
+void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
{
- __swab32s(&lk->lk_opcode);
- lustre_swab_lustre_id(&lk->lk_id1);
- lustre_swab_lustre_id(&lk->lk_id2);
+ ENTRY;
+ CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
+ lustre_swab_lov_user_md_common(lum);
+ EXIT;
}
-void lustre_swab_mds_rec_unlink(struct mds_rec_unlink *ul)
+void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
{
- __swab32s(&ul->ul_opcode);
- __swab32s(&ul->ul_mode);
- lustre_swab_lustre_id(&ul->ul_id1);
- lustre_swab_lustre_id(&ul->ul_id2);
+ ENTRY;
+ 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 */
+ EXIT;
}
-void lustre_swab_mds_rec_rename (struct mds_rec_rename *rn)
+void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
{
- __swab32s(&rn->rn_opcode);
- lustre_swab_lustre_id(&rn->rn_id1);
- lustre_swab_lustre_id(&rn->rn_id2);
+ ENTRY;
+ CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
+ __swab32s(&lmm->lmm_magic);
+ __swab32s(&lmm->lmm_pattern);
+ __swab64s(&lmm->lmm_object_id);
+ __swab64s(&lmm->lmm_object_gr);
+ __swab32s(&lmm->lmm_stripe_size);
+ __swab32s(&lmm->lmm_stripe_count);
+ EXIT;
}
-void lustre_swab_lov_desc(struct lov_desc *ld)
+void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
+ int stripe_count)
{
- __swab32s(&ld->ld_tgt_count);
- __swab32s(&ld->ld_active_tgt_count);
- __swab32s(&ld->ld_default_stripe_count);
- __swab64s(&ld->ld_default_stripe_size);
- __swab64s(&ld->ld_default_stripe_offset);
- __swab32s(&ld->ld_pattern);
- /* uuid endian insensitive */
+ int i;
+ ENTRY;
+ for (i = 0; i < stripe_count; i++) {
+ __swab64s(&(lod[i].l_object_id));
+ __swab64s(&(lod[i].l_object_gr));
+ __swab32s(&(lod[i].l_ost_gen));
+ __swab32s(&(lod[i].l_ost_idx));
+ }
+ EXIT;
}
-void lustre_swab_ldlm_res_id(struct ldlm_res_id *id)
+
+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]);
+ __swab64s (&id->name[i]);
}
-void lustre_swab_ldlm_policy_data(ldlm_policy_data_t *d)
+void lustre_swab_ldlm_policy_data (ldlm_policy_data_t *d)
{
- /* the lock data is a union and the first three fields of both EXTENT
- * and FLOCK types are __u64, so it's ok to swab them in the same way */
- __swab64s(&d->l_flock.start);
- __swab64s(&d->l_flock.end);
- __swab64s(&d->l_flock.pid);
- __swab64s(&d->l_flock.blocking_pid);
+ /* 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);
+ __swab32s(&d->l_flock.pid);
}
-void lustre_swab_ldlm_intent(struct ldlm_intent *i)
+void lustre_swab_ldlm_intent (struct ldlm_intent *i)
{
- __swab64s(&i->opc);
+ __swab64s (&i->opc);
}
-void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
+void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
{
- __swab32s(&r->lr_type);
- lustre_swab_ldlm_res_id(&r->lr_name);
+ __swab32s (&r->lr_type);
+ CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
+ lustre_swab_ldlm_res_id (&r->lr_name);
}
-void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc *l)
+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);
+ 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)
+void lustre_swab_ldlm_request (struct ldlm_request *rq)
{
- __swab32s(&rq->lock_flags);
- lustre_swab_ldlm_lock_desc(&rq->lock_desc);
- /* lock_handle1 opaque */
- /* lock_handle2 opaque */
+ __swab32s (&rq->lock_flags);
+ lustre_swab_ldlm_lock_desc (&rq->lock_desc);
+ __swab32s (&rq->lock_count);
+ /* lock_handle[] opaque */
}
-void lustre_swab_ldlm_reply(struct ldlm_reply *r)
+void lustre_swab_ldlm_reply (struct ldlm_reply *r)
{
- __swab32s(&r->lock_flags);
- lustre_swab_ldlm_lock_desc(&r->lock_desc);
+ __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);
+ __swab64s (&r->lock_policy_res1);
+ __swab64s (&r->lock_policy_res2);
}
-void lustre_swab_ptlbd_op(struct ptlbd_op *op)
+/* no one calls this */
+int llog_log_swabbed(struct llog_log_hdr *hdr)
{
- __swab16s(&op->op_cmd);
- __swab16s(&op->op_lun);
- __swab16s(&op->op_niob_cnt);
- /* ignore op__padding */
- __swab32s(&op->op_block_cnt);
+ if (hdr->llh_hdr.lrh_type == __swab32(LLOG_HDR_MAGIC))
+ return 1;
+ if (hdr->llh_hdr.lrh_type == LLOG_HDR_MAGIC)
+ return 0;
+ return -1;
}
-void lustre_swab_ptlbd_niob(struct ptlbd_niob *n)
+void lustre_swab_qdata(struct qunit_data *d)
{
- __swab64s(&n->n_xid);
- __swab64s(&n->n_block_nr);
- __swab32s(&n->n_offset);
- __swab32s(&n->n_length);
+ __swab32s (&d->qd_id);
+ __swab32s (&d->qd_flags);
+ __swab64s (&d->qd_count);
+ __swab64s (&d->qd_qunit);
+ __swab64s (&d->padding);
}
-void lustre_swab_ptlbd_rsp(struct ptlbd_rsp *r)
+/* Dump functions */
+void dump_ioo(struct obd_ioobj *ioo)
{
- __swab16s(&r->r_status);
- __swab16s(&r->r_error_cnt);
+ CDEBUG(D_RPCTRACE,
+ "obd_ioobj: ioo_id="LPD64", ioo_gr="LPD64", ioo_type=%d, "
+ "ioo_bufct=%d\n", ioo->ioo_id, ioo->ioo_gr, ioo->ioo_type,
+ ioo->ioo_bufcnt);
}
-void lustre_swab_remote_perm(struct mds_remote_perm *p)
+void dump_rniobuf(struct niobuf_remote *nb)
{
- __swab32s(&p->mrp_auth_uid);
- __swab32s(&p->mrp_auth_gid);
- __swab16s(&p->mrp_perm);
+ CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
+ nb->offset, nb->len, nb->flags);
}
-void lustre_swab_audit_msg (struct audit_msg *r)
+void dump_obdo(struct obdo *oa)
{
- lustre_swab_lustre_id(&r->id);
- __swab32s (&r->code);
- __swab32s (&r->result);
- __swab32s (&r->uid);
- __swab32s (&r->gid);
- __swab64s (&r->nid);
+ __u32 valid = oa->o_valid;
+
+ CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
+ if (valid & OBD_MD_FLID)
+ CDEBUG(D_RPCTRACE, "obdo: o_id = "LPD64"\n", oa->o_id);
+ if (valid & OBD_MD_FLGROUP)
+ CDEBUG(D_RPCTRACE, "obdo: o_gr = "LPD64"\n", oa->o_gr);
+ if (valid & OBD_MD_FLFID)
+ CDEBUG(D_RPCTRACE, "obdo: o_fid = "LPD64"\n", oa->o_fid);
+ if (valid & OBD_MD_FLSIZE)
+ CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
+ if (valid & OBD_MD_FLMTIME)
+ CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
+ if (valid & OBD_MD_FLATIME)
+ CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
+ if (valid & OBD_MD_FLCTIME)
+ CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
+ if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
+ CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
+ if (valid & OBD_MD_FLGRANT)
+ CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\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_FLGID)
+ CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
+ 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_generation = %u\n",
+ oa->o_generation);
+ else if (valid & OBD_MD_FLEPOCH)
+ CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = "LPD64"\n", oa->o_ioepoch);
+ if (valid & OBD_MD_FLID)
+ CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n", oa->o_stripe_idx);
+ if (valid & OBD_MD_FLHANDLE)
+ CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n", oa->o_handle.cookie);
+ if (valid & OBD_MD_FLCOOKIE)
+ CDEBUG(D_RPCTRACE, "obdo: o_lcookie = "
+ "(llog_cookie dumping not yet implemented)\n");
}
-void lustre_swab_audit_attr (struct audit_attr_msg *r)
+void dump_ost_body(struct ost_body *ob)
{
- lustre_swab_lustre_id(&r->id);
- __swab64s (&r->attr);
+ dump_obdo(&ob->oa);
}
-/* no one calls this */
-int llog_log_swabbed(struct llog_log_hdr *hdr)
+void dump_rcs(__u32 *rc)
{
- if (hdr->llh_hdr.lrh_type == __swab32(LLOG_HDR_MAGIC))
- return 1;
- if (hdr->llh_hdr.lrh_type == LLOG_HDR_MAGIC)
+ CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
+}
+
+#ifdef __KERNEL__
+
+/**
+ * got qdata from request(req/rep)
+ */
+struct qunit_data *quota_get_qdata(void *r, int is_req, int is_exp)
+{
+ struct ptlrpc_request *req = (struct ptlrpc_request *)r;
+ struct qunit_data *qdata;
+ __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
+ req->rq_import->imp_connect_data.ocd_connect_flags;
+
+ LASSERT(req);
+ /* support for quota64 */
+ LASSERT(flags & OBD_CONNECT_QUOTA64);
+ /* support for change_qs */
+ LASSERT(flags & OBD_CONNECT_CHANGE_QS);
+
+ if (is_req == QUOTA_REQUEST)
+ qdata = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
+ else
+ qdata = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
+ if (qdata == NULL)
+ return ERR_PTR(-EPROTO);
+
+ QDATA_SET_CHANGE_QS(qdata);
+ return qdata;
+}
+EXPORT_SYMBOL(quota_get_qdata);
+
+/**
+ * copy qdata to request(req/rep)
+ */
+int quota_copy_qdata(void *r, struct qunit_data *qdata, int is_req,
+ int is_exp)
+{
+ struct ptlrpc_request *req = (struct ptlrpc_request *)r;
+ void *target;
+ __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
+ req->rq_import->imp_connect_data.ocd_connect_flags;
+
+ LASSERT(req);
+ LASSERT(qdata);
+ /* support for quota64 */
+ LASSERT(flags & OBD_CONNECT_QUOTA64);
+ /* support for change_qs */
+ LASSERT(flags & OBD_CONNECT_CHANGE_QS);
+
+ if (is_req == QUOTA_REQUEST)
+ target = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
+ else
+ target = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
+ if (target == NULL)
+ return -EPROTO;
+
+ LASSERT(target != qdata);
+ memcpy(target, qdata, sizeof(*qdata));
+ return 0;
+}
+EXPORT_SYMBOL(quota_copy_qdata);
+#endif /* __KERNEL__ */
+
+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;
- return -1;
+ }
+}
+
+void _debug_req(struct ptlrpc_request *req, __u32 mask,
+ struct libcfs_debug_msg_data *data, const char *fmt, ... )
+{
+ va_list args;
+ va_start(args, fmt);
+ libcfs_debug_vmsg2(data->msg_cdls, data->msg_subsys, mask, data->msg_file,
+ data->msg_fn, data->msg_line, fmt, args,
+ " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
+ " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
+ "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
+ req, req->rq_xid, req->rq_transno,
+ req->rq_reqmsg ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
+ req->rq_reqmsg ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
+ req->rq_import ? obd2cli_tgt(req->rq_import->imp_obd) :
+ req->rq_export ?
+ (char*)req->rq_export->exp_client_uuid.uuid : "<?>",
+ req->rq_import ?
+ (char *)req->rq_import->imp_connection->c_remote_uuid.uuid :
+ req->rq_export ?
+ (char *)req->rq_export->exp_connection->c_remote_uuid.uuid : "<?>",
+ req->rq_request_portal, req->rq_reply_portal,
+ req->rq_reqlen, req->rq_replen,
+ req->rq_early_count, req->rq_timedout,
+ req->rq_deadline,
+ cfs_atomic_read(&req->rq_refcount),
+ DEBUG_REQ_FLAGS(req),
+ req->rq_reqmsg && req_ptlrpc_body_swabbed(req) ?
+ lustre_msg_get_flags(req->rq_reqmsg) : -1,
+ req->rq_repmsg && rep_ptlrpc_body_swabbed(req) ?
+ lustre_msg_get_flags(req->rq_repmsg) : -1,
+ req->rq_status,
+ req->rq_repmsg && rep_ptlrpc_body_swabbed(req) ?
+ lustre_msg_get_status(req->rq_repmsg) : -1);
}
+EXPORT_SYMBOL(_debug_req);
-void lustre_assert_wire_constants(void)
+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);
}
-/* for gks key rec */
-void lustre_swab_key_perms(struct key_perm *kperm)
+
+void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
{
- int i;
- __swab32s(&kperm->kp_uid);
- __swab32s(&kperm->kp_gid);
- __swab32s(&kperm->kp_mode);
- __swab32s(&kperm->kp_acl_count);
- for (i = 0; i < kperm->kp_acl_count; i++) {
- __swab16s(&kperm->kp_acls[i].e_tag);
- __swab16s(&kperm->kp_acls[i].e_perm);
- __swab32s(&kperm->kp_acls[i].e_id);
- }
-}
-void lustre_swab_key_context (struct key_context *kctxt)
-{
- __swab32s (&kctxt->kc_command);
- __swab32s (&kctxt->kc_valid); /* for use with open */
- lustre_swab_key_perms(&kctxt->kc_perm);
+ __swab64s (&k->lk_mdsid);
+ __swab32s (&k->lk_keyid);
+ __swab32s (&k->lk_padding);
}
+
+void lustre_swab_kuch(struct kuc_hdr *l)
+{
+ __swab16s(&l->kuc_magic);
+ /* __u8 l->kuc_transport */
+ __swab16s(&l->kuc_msgtype);
+ __swab16s(&l->kuc_msglen);
+}
+EXPORT_SYMBOL(lustre_swab_kuch);
+
git://git.whamcloud.com / fs / lustre-release.git / blobdiff