* in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see [sun.com URL with a
- * copy of GPLv2].
+ * 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
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
#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 {
- req->rq_request_portal = (opc == SEQ_ALLOC_SUPER) ?
- SEQ_CONTROLLER_PORTAL : SEQ_DATA_PORTAL;
+ 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 {
+ 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. */