/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * lustre/fid/fid_request.c
- * Lustre Sequence Manager
+ * GPL HEADER START
*
- * Copyright (c) 2006 Cluster File Systems, Inc.
- * Author: Yury Umanets <umka@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * 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.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * 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).
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source 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.
+ * 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
*
- * In either case, 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
- * license text for more details.
+ * 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/fid/fid_request.c
+ *
+ * Lustre Sequence Manager
+ *
+ * Author: Yury Umanets <umka@clusterfs.com>
*/
#ifndef EXPORT_SYMTAB
#include <lustre_mdc.h>
#include "fid_internal.h"
-static int seq_client_rpc(struct lu_client_seq *seq, struct lu_range *input,
- struct lu_range *output, __u32 opc,
+static int seq_client_rpc(struct lu_client_seq *seq, struct lu_seq_range *input,
+ struct lu_seq_range *output, __u32 opc,
const char *opcname)
{
- int rc, size[3] = { sizeof(struct ptlrpc_body),
- sizeof(__u32),
- sizeof(struct lu_range) };
- struct obd_export *exp = seq->lcs_exp;
+ struct obd_export *exp = seq->lcs_exp;
struct ptlrpc_request *req;
- struct lu_range *out, *in;
- struct req_capsule pill;
- __u32 *op;
+ struct lu_seq_range *out, *in;
+ __u32 *op;
+ int rc;
ENTRY;
- req = ptlrpc_prep_req(class_exp2cliimp(exp), LUSTRE_MDS_VERSION,
- SEQ_QUERY, 3, size, NULL);
+ req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp), &RQF_SEQ_QUERY,
+ LUSTRE_MDS_VERSION, SEQ_QUERY);
if (req == NULL)
RETURN(-ENOMEM);
- req_capsule_init(&pill, req, RCL_CLIENT, NULL);
- req_capsule_set(&pill, &RQF_SEQ_QUERY);
-
/* Init operation code */
- op = req_capsule_client_get(&pill, &RMF_SEQ_OPC);
+ op = req_capsule_client_get(&req->rq_pill, &RMF_SEQ_OPC);
*op = opc;
/* Zero out input range, this is not recovery yet. */
- in = req_capsule_client_get(&pill, &RMF_SEQ_RANGE);
+ in = req_capsule_client_get(&req->rq_pill, &RMF_SEQ_RANGE);
if (input != NULL)
*in = *input;
else
- range_zero(in);
+ range_init(in);
- size[1] = sizeof(struct lu_range);
- ptlrpc_req_set_repsize(req, 2, size);
+ ptlrpc_request_set_replen(req);
if (seq->lcs_type == LUSTRE_SEQ_METADATA) {
req->rq_request_portal = (opc == SEQ_ALLOC_SUPER) ?
SEQ_CONTROLLER_PORTAL : SEQ_METADATA_PORTAL;
+ /* update mdt field of *in, it is required for fld update
+ * on super sequence allocator node. */
+ if (opc == SEQ_ALLOC_SUPER)
+ in->lsr_mdt = seq->lcs_space.lsr_mdt;
} else {
- req->rq_request_portal = (opc == SEQ_ALLOC_SUPER) ?
- SEQ_CONTROLLER_PORTAL : SEQ_DATA_PORTAL;
+ LASSERT(opc == SEQ_ALLOC_META);
+ req->rq_request_portal = SEQ_DATA_PORTAL;
}
+ ptlrpc_at_set_req_timeout(req);
mdc_get_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
rc = ptlrpc_queue_wait(req);
if (rc)
GOTO(out_req, rc);
- out = req_capsule_server_get(&pill, &RMF_SEQ_RANGE);
+ out = req_capsule_server_get(&req->rq_pill, &RMF_SEQ_RANGE);
*output = *out;
if (!range_is_sane(output)) {
EXIT;
out_req:
- req_capsule_fini(&pill);
ptlrpc_req_finished(req);
return rc;
}
/* Request sequence-controller node to allocate new super-sequence. */
int seq_client_replay_super(struct lu_client_seq *seq,
- struct lu_range *range,
+ struct lu_seq_range *range,
const struct lu_env *env)
{
int rc;
ENTRY;
- down(&seq->lcs_sem);
+ cfs_down(&seq->lcs_sem);
#ifdef __KERNEL__
if (seq->lcs_srv) {
#ifdef __KERNEL__
}
#endif
- up(&seq->lcs_sem);
+ cfs_up(&seq->lcs_sem);
RETURN(rc);
}
}
LASSERT(!range_is_exhausted(&seq->lcs_space));
- *seqnr = seq->lcs_space.lr_start;
- seq->lcs_space.lr_start += 1;
+ *seqnr = seq->lcs_space.lsr_start;
+ seq->lcs_space.lsr_start += 1;
CDEBUG(D_INFO, "%s: Allocated sequence ["LPX64"]\n", seq->lcs_name,
*seqnr);
LASSERT(seq != NULL);
LASSERT(fid != NULL);
- down(&seq->lcs_sem);
+ cfs_down(&seq->lcs_sem);
if (fid_is_zero(&seq->lcs_fid) ||
fid_oid(&seq->lcs_fid) >= seq->lcs_width)
if (rc) {
CERROR("%s: Can't allocate new sequence, "
"rc %d\n", seq->lcs_name, rc);
- up(&seq->lcs_sem);
+ cfs_up(&seq->lcs_sem);
RETURN(rc);
}
}
*fid = seq->lcs_fid;
- up(&seq->lcs_sem);
+ cfs_up(&seq->lcs_sem);
CDEBUG(D_INFO, "%s: Allocated FID "DFID"\n", seq->lcs_name, PFID(fid));
RETURN(rc);
void seq_client_flush(struct lu_client_seq *seq)
{
LASSERT(seq != NULL);
- down(&seq->lcs_sem);
+ cfs_down(&seq->lcs_sem);
fid_zero(&seq->lcs_fid);
- range_zero(&seq->lcs_space);
- up(&seq->lcs_sem);
+ /**
+ * this id shld not be used for seq range allocation.
+ * set to -1 for dgb check.
+ */
+
+ seq->lcs_space.lsr_mdt = -1;
+
+ range_init(&seq->lcs_space);
+ cfs_up(&seq->lcs_sem);
}
EXPORT_SYMBOL(seq_client_flush);
seq->lcs_exp = exp;
seq->lcs_srv = srv;
seq->lcs_type = type;
- sema_init(&seq->lcs_sem, 1);
+ cfs_sema_init(&seq->lcs_sem, 1);
seq->lcs_width = LUSTRE_SEQ_MAX_WIDTH;
/* Make sure that things are clear before work is started. */