-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Yury Umanets <umka@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_FID
#ifdef __KERNEL__
#include <obd.h>
#include <obd_class.h>
-#include <lu_target.h>
#include <dt_object.h>
#include <md_object.h>
#include <obd_support.h>
#include <lustre_fid.h>
#include "fid_internal.h"
+int client_fid_init(struct obd_device *obd,
+ struct obd_export *exp, enum lu_cli_type type)
+{
+ struct client_obd *cli = &obd->u.cli;
+ char *prefix;
+ int rc;
+ ENTRY;
+
+ OBD_ALLOC_PTR(cli->cl_seq);
+ if (cli->cl_seq == NULL)
+ RETURN(-ENOMEM);
+
+ OBD_ALLOC(prefix, MAX_OBD_NAME + 5);
+ if (prefix == NULL)
+ GOTO(out_free_seq, rc = -ENOMEM);
+
+ snprintf(prefix, MAX_OBD_NAME + 5, "cli-%s", obd->obd_name);
+
+ /* Init client side sequence-manager */
+ rc = seq_client_init(cli->cl_seq, exp, type, prefix, NULL);
+ OBD_FREE(prefix, MAX_OBD_NAME + 5);
+ if (rc)
+ GOTO(out_free_seq, rc);
+
+ RETURN(rc);
+out_free_seq:
+ OBD_FREE_PTR(cli->cl_seq);
+ cli->cl_seq = NULL;
+ return rc;
+}
+EXPORT_SYMBOL(client_fid_init);
+
+int client_fid_fini(struct obd_device *obd)
+{
+ struct client_obd *cli = &obd->u.cli;
+ ENTRY;
+
+ if (cli->cl_seq != NULL) {
+ seq_client_fini(cli->cl_seq);
+ OBD_FREE_PTR(cli->cl_seq);
+ cli->cl_seq = NULL;
+ }
+
+ RETURN(0);
+}
+EXPORT_SYMBOL(client_fid_fini);
+
#ifdef __KERNEL__
+static void seq_server_proc_fini(struct lu_server_seq *seq);
+
/* Assigns client to sequence controller node. */
int seq_server_set_cli(struct lu_server_seq *seq,
struct lu_client_seq *cli,
* Ask client for new range, assign that range to ->seq_space and write
* seq state to backing store should be atomic.
*/
- cfs_down(&seq->lss_sem);
+ mutex_lock(&seq->lss_mutex);
if (cli == NULL) {
CDEBUG(D_INFO, "%s: Detached sequence client %s\n",
GOTO(out_up, rc = 0);
}
- if (seq->lss_cli != NULL) {
- CERROR("%s: Sequence controller is already "
- "assigned\n", seq->lss_name);
- GOTO(out_up, rc = -EINVAL);
- }
+ if (seq->lss_cli != NULL) {
+ CDEBUG(D_HA, "%s: Sequence controller is already "
+ "assigned\n", seq->lss_name);
+ GOTO(out_up, rc = -EEXIST);
+ }
CDEBUG(D_INFO, "%s: Attached sequence controller %s\n",
seq->lss_name, cli->lcs_name);
- seq->lss_cli = cli;
- cli->lcs_space.lsr_index = seq->lss_site->ms_node_id;
- EXIT;
+ seq->lss_cli = cli;
+ cli->lcs_space.lsr_index = seq->lss_site->ss_node_id;
+ EXIT;
out_up:
- cfs_up(&seq->lss_sem);
+ mutex_unlock(&seq->lss_mutex);
return rc;
}
EXPORT_SYMBOL(seq_server_set_cli);
struct lu_seq_range *out,
const struct lu_env *env)
{
- struct lu_seq_range *space = &seq->lss_space;
- int rc;
- ENTRY;
+ struct lu_seq_range *space = &seq->lss_space;
+ int rc;
+ ENTRY;
- LASSERT(range_is_sane(space));
+ LASSERT(range_is_sane(space));
- if (range_is_exhausted(space)) {
- CERROR("%s: Sequences space is exhausted\n",
- seq->lss_name);
- RETURN(-ENOSPC);
- } else {
- range_alloc(out, space, seq->lss_width);
- }
+ if (range_is_exhausted(space)) {
+ CERROR("%s: Sequences space is exhausted\n",
+ seq->lss_name);
+ RETURN(-ENOSPC);
+ } else {
+ range_alloc(out, space, seq->lss_width);
+ }
- rc = seq_store_update(env, seq, out, 1 /* sync */);
+ rc = seq_store_update(env, seq, out, 1 /* sync */);
- CDEBUG(D_INFO, "%s: super-sequence allocation rc = %d "
- DRANGE"\n", seq->lss_name, rc, PRANGE(out));
+ LCONSOLE_INFO("%s: super-sequence allocation rc = %d " DRANGE"\n",
+ seq->lss_name, rc, PRANGE(out));
- RETURN(rc);
+ RETURN(rc);
}
int seq_server_alloc_super(struct lu_server_seq *seq,
int rc;
ENTRY;
- cfs_down(&seq->lss_sem);
+ mutex_lock(&seq->lss_mutex);
rc = __seq_server_alloc_super(seq, out, env);
- cfs_up(&seq->lss_sem);
+ mutex_unlock(&seq->lss_mutex);
RETURN(rc);
}
if (range_is_exhausted(loset)) {
/* reached high water mark. */
- struct lu_device *dev = seq->lss_site->ms_lu.ls_top_dev;
+ struct lu_device *dev = seq->lss_site->ss_lu->ls_top_dev;
int obd_num_clients = dev->ld_obd->obd_num_exports;
__u64 set_sz;
struct lu_seq_range *out,
const struct lu_env *env)
{
- struct lu_seq_range *space = &seq->lss_space;
- int rc = 0;
-
- ENTRY;
-
- LASSERT(range_is_sane(space));
-
- /* Check if available space ends and allocate new super seq */
- if (range_is_exhausted(space)) {
- if (!seq->lss_cli) {
- CERROR("%s: No sequence controller is attached.\n",
- seq->lss_name);
- RETURN(-ENODEV);
- }
-
- rc = seq_client_alloc_super(seq->lss_cli, env);
- if (rc) {
- CERROR("%s: Can't allocate super-sequence, rc %d\n",
- seq->lss_name, rc);
- RETURN(rc);
- }
-
- /* Saving new range to allocation space. */
- *space = seq->lss_cli->lcs_space;
- LASSERT(range_is_sane(space));
- }
-
- rc = range_alloc_set(env, out, seq);
- if (rc == 0) {
- CDEBUG(D_INFO, "%s: Allocated meta-sequence "
- DRANGE"\n", seq->lss_name, PRANGE(out));
- }
-
- RETURN(rc);
+ struct lu_seq_range *space = &seq->lss_space;
+ int rc = 0;
+
+ ENTRY;
+
+ LASSERT(range_is_sane(space));
+
+ /* Check if available space ends and allocate new super seq */
+ if (range_is_exhausted(space)) {
+ if (!seq->lss_cli) {
+ CERROR("%s: No sequence controller is attached.\n",
+ seq->lss_name);
+ RETURN(-ENODEV);
+ }
+
+ rc = seq_client_alloc_super(seq->lss_cli, env);
+ if (rc) {
+ CERROR("%s: Can't allocate super-sequence, rc %d\n",
+ seq->lss_name, rc);
+ RETURN(rc);
+ }
+
+ /* Saving new range to allocation space. */
+ *space = seq->lss_cli->lcs_space;
+ LASSERT(range_is_sane(space));
+ }
+
+ rc = range_alloc_set(env, out, seq);
+ if (rc != 0) {
+ CERROR("%s: Allocated meta-sequence failed: rc = %d\n",
+ seq->lss_name, rc);
+ RETURN(rc);
+ }
+
+ CDEBUG(D_INFO, "%s: Allocated meta-sequence " DRANGE"\n",
+ seq->lss_name, PRANGE(out));
+
+ RETURN(rc);
}
int seq_server_alloc_meta(struct lu_server_seq *seq,
int rc;
ENTRY;
- cfs_down(&seq->lss_sem);
+ mutex_lock(&seq->lss_mutex);
rc = __seq_server_alloc_meta(seq, out, env);
- cfs_up(&seq->lss_sem);
+ mutex_unlock(&seq->lss_mutex);
RETURN(rc);
}
const struct lu_env *env,
__u32 opc, struct lu_seq_range *out)
{
- int rc;
- struct md_site *mite;
- ENTRY;
-
- mite = lu_site2md(site);
- switch (opc) {
- case SEQ_ALLOC_META:
- if (!mite->ms_server_seq) {
- CERROR("Sequence server is not "
- "initialized\n");
- RETURN(-EINVAL);
- }
- rc = seq_server_alloc_meta(mite->ms_server_seq, out, env);
- break;
- case SEQ_ALLOC_SUPER:
- if (!mite->ms_control_seq) {
- CERROR("Sequence controller is not "
- "initialized\n");
- RETURN(-EINVAL);
- }
- rc = seq_server_alloc_super(mite->ms_control_seq, out, env);
- break;
- default:
- rc = -EINVAL;
- break;
- }
-
- RETURN(rc);
+ int rc;
+ struct seq_server_site *ss_site;
+ ENTRY;
+
+ ss_site = lu_site2seq(site);
+
+ switch (opc) {
+ case SEQ_ALLOC_META:
+ if (!ss_site->ss_server_seq) {
+ CERROR("Sequence server is not "
+ "initialized\n");
+ RETURN(-EINVAL);
+ }
+ rc = seq_server_alloc_meta(ss_site->ss_server_seq, out, env);
+ break;
+ case SEQ_ALLOC_SUPER:
+ if (!ss_site->ss_control_seq) {
+ CERROR("Sequence controller is not "
+ "initialized\n");
+ RETURN(-EINVAL);
+ }
+ rc = seq_server_alloc_super(ss_site->ss_control_seq, out, env);
+ break;
+ default:
+ rc = -EINVAL;
+ break;
+ }
+
+ RETURN(rc);
}
static int seq_req_handle(struct ptlrpc_request *req,
LU_KEY_INIT_FINI(seq, struct seq_thread_info);
/* context key: seq_thread_key */
-LU_CONTEXT_KEY_DEFINE(seq, LCT_MD_THREAD);
+LU_CONTEXT_KEY_DEFINE(seq, LCT_MD_THREAD | LCT_DT_THREAD);
static void seq_thread_info_init(struct ptlrpc_request *req,
struct seq_thread_info *info)
req_capsule_fini(info->sti_pill);
}
-static int seq_handle(struct ptlrpc_request *req)
+int seq_handle(struct ptlrpc_request *req)
{
const struct lu_env *env;
struct seq_thread_info *info;
return rc;
}
+EXPORT_SYMBOL(seq_handle);
/*
* Entry point for handling FLD RPCs called from MDT.
}
EXPORT_SYMBOL(seq_query);
-static void seq_server_proc_fini(struct lu_server_seq *seq);
#ifdef LPROCFS
static int seq_server_proc_init(struct lu_server_seq *seq)
int seq_server_init(struct lu_server_seq *seq,
- struct dt_device *dev,
- const char *prefix,
- enum lu_mgr_type type,
- struct md_site *ms,
- const struct lu_env *env)
+ struct dt_device *dev,
+ const char *prefix,
+ enum lu_mgr_type type,
+ struct seq_server_site *ss,
+ const struct lu_env *env)
{
int rc, is_srv = (type == LUSTRE_SEQ_SERVER);
ENTRY;
LASSERT(dev != NULL);
LASSERT(prefix != NULL);
+ LASSERT(ss != NULL);
+ LASSERT(ss->ss_lu != NULL);
- seq->lss_cli = NULL;
- seq->lss_type = type;
- seq->lss_site = ms;
- range_init(&seq->lss_space);
+ seq->lss_cli = NULL;
+ seq->lss_type = type;
+ seq->lss_site = ss;
+ range_init(&seq->lss_space);
range_init(&seq->lss_lowater_set);
range_init(&seq->lss_hiwater_set);
seq->lss_set_width = LUSTRE_SEQ_BATCH_WIDTH;
- cfs_sema_init(&seq->lss_sem, 1);
+ mutex_init(&seq->lss_mutex);
seq->lss_width = is_srv ?
LUSTRE_SEQ_META_WIDTH : LUSTRE_SEQ_SUPER_WIDTH;
LUSTRE_SEQ_ZERO_RANGE:
LUSTRE_SEQ_SPACE_RANGE;
- seq->lss_space.lsr_index = ms->ms_node_id;
- CDEBUG(D_INFO, "%s: No data found "
- "on store. Initialize space\n",
- seq->lss_name);
+ LASSERT(ss != NULL);
+ seq->lss_space.lsr_index = ss->ss_node_id;
+ LCONSOLE_INFO("%s: No data found "
+ "on store. Initialize space\n",
+ seq->lss_name);
rc = seq_store_update(env, seq, NULL, 0);
if (rc) {
}
EXPORT_SYMBOL(seq_server_fini);
-cfs_proc_dir_entry_t *seq_type_proc_dir = NULL;
-
-static struct lu_local_obj_desc llod_seq_srv = {
- .llod_name = LUSTRE_SEQ_SRV_NAME,
- .llod_oid = FID_SEQ_SRV_OID,
- .llod_is_index = 0,
-};
+int seq_site_fini(const struct lu_env *env, struct seq_server_site *ss)
+{
+ if (ss == NULL)
+ RETURN(0);
+
+ if (ss->ss_server_seq) {
+ seq_server_fini(ss->ss_server_seq, env);
+ OBD_FREE_PTR(ss->ss_server_seq);
+ ss->ss_server_seq = NULL;
+ }
+
+ if (ss->ss_control_seq) {
+ seq_server_fini(ss->ss_control_seq, env);
+ OBD_FREE_PTR(ss->ss_control_seq);
+ ss->ss_control_seq = NULL;
+ }
+
+ if (ss->ss_client_seq) {
+ seq_client_fini(ss->ss_client_seq);
+ OBD_FREE_PTR(ss->ss_client_seq);
+ ss->ss_client_seq = NULL;
+ }
+
+ RETURN(0);
+}
+EXPORT_SYMBOL(seq_site_fini);
-static struct lu_local_obj_desc llod_seq_ctl = {
- .llod_name = LUSTRE_SEQ_CTL_NAME,
- .llod_oid = FID_SEQ_CTL_OID,
- .llod_is_index = 0,
-};
+cfs_proc_dir_entry_t *seq_type_proc_dir = NULL;
static int __init fid_mod_init(void)
{
if (IS_ERR(seq_type_proc_dir))
return PTR_ERR(seq_type_proc_dir);
- llo_local_obj_register(&llod_seq_srv);
- llo_local_obj_register(&llod_seq_ctl);
-
LU_CONTEXT_KEY_INIT(&seq_thread_key);
lu_context_key_register(&seq_thread_key);
return 0;
static void __exit fid_mod_exit(void)
{
- llo_local_obj_unregister(&llod_seq_srv);
- llo_local_obj_unregister(&llod_seq_ctl);
-
lu_context_key_degister(&seq_thread_key);
if (seq_type_proc_dir != NULL && !IS_ERR(seq_type_proc_dir)) {
lprocfs_remove(&seq_type_proc_dir);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff