* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <lustre_ioctl.h>
#include <lustre_param.h>
#include <lustre_log.h>
-#include <lustre_mdc.h>
#include "osp_internal.h"
* \retval object object being created if the creation succeed.
* \retval NULL NULL if the creation failed.
*/
-struct lu_object *osp_object_alloc(const struct lu_env *env,
- const struct lu_object_header *hdr,
- struct lu_device *d)
+static struct lu_object *osp_object_alloc(const struct lu_env *env,
+ const struct lu_object_header *hdr,
+ struct lu_device *d)
{
struct lu_object_header *h = NULL;
struct osp_object *o;
RETURN(dto);
/* Get attributes of the local object. */
- rc = dt_attr_get(env, dto, attr, NULL);
+ rc = dt_attr_get(env, dto, attr);
if (rc) {
CERROR("%s: can't be initialized: rc = %d\n",
osp->opd_obd->obd_name, rc);
struct osp_thread_info *osi = osp_env_info(env);
struct lu_fid *fid = &osp->opd_last_used_fid;
struct dt_object *dto;
- int rc;
+ int rc = -EFAULT;
ENTRY;
dto = osp_find_or_create_local_file(env, osp, &osi->osi_attr,
osp_objid_buf_prep(&osi->osi_lb, &osi->osi_off, &fid->f_oid,
osp->opd_index);
rc = dt_record_read(env, dto, &osi->osi_lb, &osi->osi_off);
- if (rc != 0)
+ if (rc != 0 && rc != -EFAULT)
GOTO(out, rc);
- } else {
+ }
+
+ if (rc == -EFAULT) { /* fresh LAST_ID */
fid->f_oid = 0;
osp_objid_buf_prep(&osi->osi_lb, &osi->osi_off, &fid->f_oid,
osp->opd_index);
struct osp_thread_info *osi = osp_env_info(env);
struct lu_fid *fid = &osp->opd_last_used_fid;
struct dt_object *dto;
- int rc;
+ int rc = -EFAULT;
ENTRY;
dto = osp_find_or_create_local_file(env, osp, &osi->osi_attr,
osp_objseq_buf_prep(&osi->osi_lb, &osi->osi_off, &fid->f_seq,
osp->opd_index);
rc = dt_record_read(env, dto, &osi->osi_lb, &osi->osi_off);
- if (rc != 0)
+ if (rc != 0 && rc != -EFAULT)
GOTO(out, rc);
- } else {
+ }
+
+ if (rc == -EFAULT) { /* fresh OSP */
fid->f_seq = 0;
osp_objseq_buf_prep(&osi->osi_lb, &osi->osi_off, &fid->f_seq,
osp->opd_index);
rc = osp_write_local_file(env, osp, dto, &osi->osi_lb,
osi->osi_off);
+ if (rc != 0)
+ GOTO(out, rc);
}
osp->opd_last_used_seq_file = dto;
RETURN(0);
rc = osp_disconnect(d);
- osp_sync_fini(d);
-
if (!d->opd_connect_mdt) {
+ /* stop sync thread */
+ osp_sync_fini(d);
+
/* stop precreate thread */
osp_precreate_fini(d);
unsigned long start = cfs_time_current();
ENTRY;
+ /* No Sync between MDTs yet. */
+ if (d->opd_connect_mdt)
+ RETURN(0);
+
if (unlikely(d->opd_imp_active == 0))
RETURN(-ENOTCONN);
id = d->opd_syn_last_used_id;
+ down_write(&d->opd_async_updates_rwsem);
+
+ CDEBUG(D_OTHER, "%s: async updates %d\n", d->opd_obd->obd_name,
+ atomic_read(&d->opd_async_updates_count));
+
+ /* make sure the connection is fine */
+ expire = cfs_time_shift(obd_timeout);
+ lwi = LWI_TIMEOUT(expire - cfs_time_current(), osp_sync_timeout, d);
+ rc = l_wait_event(d->opd_syn_barrier_waitq,
+ atomic_read(&d->opd_async_updates_count) == 0,
+ &lwi);
+ up_write(&d->opd_async_updates_rwsem);
+ if (rc != 0)
+ GOTO(out, rc);
- CDEBUG(D_OTHER, "%s: id: used %lu, processed %lu\n",
+ CDEBUG(D_CACHE, "%s: id: used %lu, processed %lu\n",
d->opd_obd->obd_name, id, d->opd_syn_last_processed_id);
/* wait till all-in-line are processed */
/* block new processing (barrier>0 - few callers are possible */
atomic_inc(&d->opd_syn_barrier);
- CDEBUG(D_OTHER, "%s: %u in flight\n", d->opd_obd->obd_name,
+ CDEBUG(D_CACHE, "%s: %u in flight\n", d->opd_obd->obd_name,
d->opd_syn_rpc_in_flight);
/* wait till all-in-flight are replied, so executed by the target */
GOTO(out, rc = -ETIMEDOUT);
}
- CDEBUG(D_OTHER, "%s: done in %lu\n", d->opd_obd->obd_name,
- cfs_time_current() - start);
out:
/* resume normal processing (barrier=0) */
atomic_dec(&d->opd_syn_barrier);
__osp_sync_check_for_work(d);
+ CDEBUG(D_CACHE, "%s: done in %lu: rc = %d\n", d->opd_obd->obd_name,
+ cfs_time_current() - start, rc);
+
RETURN(rc);
}
ENTRY;
mutex_init(&osp->opd_async_requests_mutex);
+ INIT_LIST_HEAD(&osp->opd_async_updates);
+ init_rwsem(&osp->opd_async_updates_rwsem);
+ atomic_set(&osp->opd_async_updates_count, 0);
obd = class_name2obd(lustre_cfg_string(cfg, 0));
if (obd == NULL) {
* used in orphan cleanup. */
rc = osp_last_used_init(env, osp);
if (rc)
- GOTO(out_proc, rc);
+ GOTO(out_fid, rc);
/* Initialize precreation thread, it handles new
rc = osp_init_precreate(osp);
if (rc)
GOTO(out_last_used, rc);
- }
- /*
- * Initialize synhronization mechanism taking
- * care of propogating changes to OST in near
- * transactional manner.
- */
- rc = osp_sync_init(env, osp);
- if (rc)
- GOTO(out_precreat, rc);
+ /*
+ * Initialize synhronization mechanism taking
+ * care of propogating changes to OST in near
+ * transactional manner.
+ */
+ rc = osp_sync_init(env, osp);
+ if (rc < 0)
+ GOTO(out_precreat, rc);
+ }
/*
* Initiate connect to OST
RETURN(0);
out:
- /* stop sync thread */
- osp_sync_fini(osp);
+ if (!osp->opd_connect_mdt)
+ /* stop sync thread */
+ osp_sync_fini(osp);
out_precreat:
/* stop precreate thread */
if (!osp->opd_connect_mdt)
out_last_used:
if (!osp->opd_connect_mdt)
osp_last_used_fini(env, osp);
+out_fid:
+ obd_fid_fini(osp->opd_obd);
out_proc:
ptlrpc_lprocfs_unregister_obd(obd);
lprocfs_obd_cleanup(obd);
ENTRY;
if (osp->opd_async_requests != NULL) {
- out_destroy_update_req(osp->opd_async_requests);
+ dt_update_request_destroy(osp->opd_async_requests);
osp->opd_async_requests = NULL;
}
* requested from seq meta server
* \retval negative negative errno if FID allocation failed.
*/
-int osp_fid_alloc(const struct lu_env *env, struct obd_export *exp,
- struct lu_fid *fid, struct md_op_data *unused)
+static int osp_fid_alloc(const struct lu_env *env, struct obd_export *exp,
+ struct lu_fid *fid, struct md_op_data *unused)
{
struct client_obd *cli = &exp->exp_obd->u.cli;
struct osp_device *osp = lu2osp_dev(exp->exp_obd->obd_lu_dev);
return rc;
type = class_search_type(LUSTRE_OSP_NAME);
- type->typ_procsym = lprocfs_seq_register("osc", proc_lustre_root,
- NULL, NULL);
+ type->typ_procsym = lprocfs_register("osc", proc_lustre_root,
+ NULL, NULL);
if (IS_ERR(type->typ_procsym)) {
CERROR("osp: can't create compat entry \"osc\": %d\n",
(int) PTR_ERR(type->typ_procsym));