/* -*- 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 (c) 2007, 2010, Oracle and/or its affiliates. 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 *output, __u32 opc,
const char *opcname)
{
struct obd_export *exp = seq->lcs_exp;
struct ptlrpc_request *req;
- struct lu_range *out, *in;
+ struct lu_seq_range *out, *in;
__u32 *op;
int rc;
ENTRY;
/* Zero out input range, this is not recovery yet. */
in = req_capsule_client_get(&req->rq_pill, &RMF_SEQ_RANGE);
- if (input != NULL)
- *in = *input;
- else
- range_zero(in);
+ range_init(in);
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;
+ if (seq->lcs_type == LUSTRE_SEQ_METADATA) {
+ req->rq_request_portal = SEQ_METADATA_PORTAL;
+ in->lsr_flags = LU_SEQ_RANGE_MDT;
+ } else {
+ LASSERTF(seq->lcs_type == LUSTRE_SEQ_DATA,
+ "unknown lcs_type %u\n", seq->lcs_type);
+ req->rq_request_portal = SEQ_DATA_PORTAL;
+ in->lsr_flags = LU_SEQ_RANGE_OST;
+ }
+
+ if (opc == SEQ_ALLOC_SUPER) {
+ /* Update index field of *in, it is required for
+ * FLD update on super sequence allocator node. */
+ in->lsr_index = seq->lcs_space.lsr_index;
+ req->rq_request_portal = SEQ_CONTROLLER_PORTAL;
} else {
- req->rq_request_portal = (opc == SEQ_ALLOC_SUPER) ?
- SEQ_CONTROLLER_PORTAL : SEQ_DATA_PORTAL;
+ LASSERTF(opc == SEQ_ALLOC_META,
+ "unknown opcode %u\n, opc", opc);
}
+
ptlrpc_at_set_req_timeout(req);
mdc_get_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
DRANGE"]\n", seq->lcs_name, PRANGE(output));
GOTO(out_req, rc = -EINVAL);
}
- *in = *out;
CDEBUG(D_INFO, "%s: Allocated %s-sequence "DRANGE"]\n",
seq->lcs_name, opcname, PRANGE(output));
}
/* Request sequence-controller node to allocate new super-sequence. */
-int seq_client_replay_super(struct lu_client_seq *seq,
- struct lu_range *range,
- const struct lu_env *env)
+int seq_client_alloc_super(struct lu_client_seq *seq,
+ const struct lu_env *env)
{
int rc;
ENTRY;
- down(&seq->lcs_sem);
+ cfs_down(&seq->lcs_sem);
#ifdef __KERNEL__
if (seq->lcs_srv) {
LASSERT(env != NULL);
- rc = seq_server_alloc_super(seq->lcs_srv, range,
- &seq->lcs_space, env);
+ rc = seq_server_alloc_super(seq->lcs_srv, &seq->lcs_space,
+ env);
} else {
#endif
- rc = seq_client_rpc(seq, range, &seq->lcs_space,
+ rc = seq_client_rpc(seq, &seq->lcs_space,
SEQ_ALLOC_SUPER, "super");
#ifdef __KERNEL__
}
#endif
- up(&seq->lcs_sem);
+ cfs_up(&seq->lcs_sem);
RETURN(rc);
}
-/* Request sequence-controller node to allocate new super-sequence. */
-int seq_client_alloc_super(struct lu_client_seq *seq,
- const struct lu_env *env)
-{
- ENTRY;
- RETURN(seq_client_replay_super(seq, NULL, env));
-}
-
/* Request sequence-controller node to allocate new meta-sequence. */
static int seq_client_alloc_meta(struct lu_client_seq *seq,
const struct lu_env *env)
#ifdef __KERNEL__
if (seq->lcs_srv) {
LASSERT(env != NULL);
- rc = seq_server_alloc_meta(seq->lcs_srv, NULL,
- &seq->lcs_space, env);
+ rc = seq_server_alloc_meta(seq->lcs_srv, &seq->lcs_space, env);
} else {
#endif
- rc = seq_client_rpc(seq, NULL, &seq->lcs_space,
+ rc = seq_client_rpc(seq, &seq->lcs_space,
SEQ_ALLOC_META, "meta");
#ifdef __KERNEL__
}
}
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_index = -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. */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff