* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
read_lock(&ofd->ofd_seq_list_lock);
cfs_list_for_each_entry(oseq, &ofd->ofd_seq_list, os_list) {
- if (oseq->os_seq == seq) {
+ if (ostid_seq(&oseq->os_oi) == seq) {
cfs_atomic_inc(&oseq->os_refc);
read_unlock(&ofd->ofd_seq_list_lock);
return oseq;
write_lock(&ofd->ofd_seq_list_lock);
cfs_list_for_each_entry(os, &ofd->ofd_seq_list, os_list) {
- if (os->os_seq == new_seq->os_seq) {
+ if (ostid_seq(&os->os_oi) == ostid_seq(&new_seq->os_oi)) {
cfs_atomic_inc(&os->os_refc);
write_unlock(&ofd->ofd_seq_list_lock);
/* The seq has not been added to the list */
obd_id id;
spin_lock(&oseq->os_last_oid_lock);
- id = oseq->os_last_oid;
+ id = ostid_id(&oseq->os_oi);
spin_unlock(&oseq->os_last_oid_lock);
return id;
void ofd_seq_last_oid_set(struct ofd_seq *oseq, obd_id id)
{
spin_lock(&oseq->os_last_oid_lock);
- if (likely(oseq->os_last_oid < id))
- oseq->os_last_oid = id;
+ if (likely(ostid_id(&oseq->os_oi) < id))
+ ostid_set_id(&oseq->os_oi, id);
spin_unlock(&oseq->os_last_oid_lock);
}
ENTRY;
+ tmp = cpu_to_le64(ofd_seq_last_oid(oseq));
+
info->fti_buf.lb_buf = &tmp;
info->fti_buf.lb_len = sizeof(tmp);
info->fti_off = 0;
- CDEBUG(D_INODE, "%s: write last_objid for seq "LPX64" : "LPX64"\n",
- ofd_name(ofd), oseq->os_seq, ofd_seq_last_oid(oseq));
-
- tmp = cpu_to_le64(ofd_seq_last_oid(oseq));
-
rc = ofd_record_write(env, ofd, oseq->os_lastid_obj, &info->fti_buf,
&info->fti_off);
+
+ CDEBUG(D_INODE, "%s: write last_objid "DOSTID": rc = %d\n",
+ ofd_name(ofd), POSTID(&oseq->os_oi), rc);
+
RETURN(rc);
}
+static void ofd_deregister_seq_exp(struct ofd_device *ofd)
+{
+ struct seq_server_site *ss = &ofd->ofd_seq_site;
+
+ if (ss->ss_client_seq != NULL) {
+ lustre_deregister_lwp_item(&ss->ss_client_seq->lcs_exp);
+ ss->ss_client_seq->lcs_exp = NULL;
+ }
+
+ if (ss->ss_server_fld != NULL) {
+ lustre_deregister_lwp_item(&ss->ss_server_fld->lsf_control_exp);
+ ss->ss_server_fld->lsf_control_exp = NULL;
+ }
+}
+
+static int ofd_fld_fini(const struct lu_env *env,
+ struct ofd_device *ofd)
+{
+ struct seq_server_site *ss = &ofd->ofd_seq_site;
+ ENTRY;
+
+ if (ss && ss->ss_server_fld) {
+ fld_server_fini(env, ss->ss_server_fld);
+ OBD_FREE_PTR(ss->ss_server_fld);
+ ss->ss_server_fld = NULL;
+ }
+
+ RETURN(0);
+}
+
void ofd_seqs_fini(const struct lu_env *env, struct ofd_device *ofd)
{
struct ofd_seq *oseq;
struct ofd_seq *tmp;
cfs_list_t dispose;
+ int rc;
+
+ ofd_deregister_seq_exp(ofd);
+
+ rc = ofd_fid_fini(env, ofd);
+ if (rc != 0)
+ CERROR("%s: fid fini error: rc = %d\n", ofd_name(ofd), rc);
+
+ rc = ofd_fld_fini(env, ofd);
+ if (rc != 0)
+ CERROR("%s: fld fini error: rc = %d\n", ofd_name(ofd), rc);
CFS_INIT_LIST_HEAD(&dispose);
write_lock(&ofd->ofd_seq_list_lock);
return;
}
+/**
+ *
+ * \retval the seq with seq number or errno (never NULL)
+ */
struct ofd_seq *ofd_seq_load(const struct lu_env *env, struct ofd_device *ofd,
obd_seq seq)
{
CFS_INIT_LIST_HEAD(&oseq->os_list);
mutex_init(&oseq->os_create_lock);
spin_lock_init(&oseq->os_last_oid_lock);
- oseq->os_seq = seq;
+ ostid_set_seq(&oseq->os_oi, seq);
cfs_atomic_set(&oseq->os_refc, 1);
if (info->fti_attr.la_size == 0) {
/* object is just created, initialize last id */
- oseq->os_last_oid = OFD_INIT_OBJID;
+ ofd_seq_last_oid_set(oseq, OFD_INIT_OBJID);
ofd_seq_last_oid_write(env, ofd, oseq);
} else if (info->fti_attr.la_size == sizeof(lastid)) {
info->fti_off = 0;
ofd_name(ofd), rc);
GOTO(cleanup, rc);
}
- oseq->os_last_oid = le64_to_cpu(lastid);
+ ofd_seq_last_oid_set(oseq, le64_to_cpu(lastid));
} else {
CERROR("%s: corrupted size "LPU64" LAST_ID of seq "LPX64"\n",
ofd_name(ofd), (__u64)info->fti_attr.la_size, seq);
}
oseq = ofd_seq_add(env, ofd, oseq);
- RETURN(oseq);
+ RETURN((oseq != NULL) ? oseq : ERR_PTR(-ENOENT));
cleanup:
ofd_seq_put(env, oseq);
return ERR_PTR(rc);
}
+static int ofd_fld_init(const struct lu_env *env, const char *uuid,
+ struct ofd_device *ofd)
+{
+ struct seq_server_site *ss = &ofd->ofd_seq_site;
+ int rc;
+ ENTRY;
+
+ OBD_ALLOC_PTR(ss->ss_server_fld);
+ if (ss->ss_server_fld == NULL)
+ RETURN(rc = -ENOMEM);
+
+ rc = fld_server_init(env, ss->ss_server_fld, ofd->ofd_osd, uuid,
+ ss->ss_node_id, LU_SEQ_RANGE_OST);
+ if (rc) {
+ OBD_FREE_PTR(ss->ss_server_fld);
+ ss->ss_server_fld = NULL;
+ RETURN(rc);
+ }
+ RETURN(0);
+}
+
+static int ofd_register_seq_exp(struct ofd_device *ofd)
+{
+ struct seq_server_site *ss = &ofd->ofd_seq_site;
+ char *lwp_name = NULL;
+ int rc;
+
+ OBD_ALLOC(lwp_name, MAX_OBD_NAME);
+ if (lwp_name == NULL)
+ GOTO(out_free, rc = -ENOMEM);
+
+ rc = tgt_name2lwpname(ofd_name(ofd), lwp_name);
+ if (rc != 0)
+ GOTO(out_free, rc);
+
+ rc = lustre_register_lwp_item(lwp_name, &ss->ss_client_seq->lcs_exp,
+ NULL, NULL);
+ if (rc != 0)
+ GOTO(out_free, rc);
+
+ rc = lustre_register_lwp_item(lwp_name,
+ &ss->ss_server_fld->lsf_control_exp,
+ NULL, NULL);
+ if (rc != 0) {
+ lustre_deregister_lwp_item(&ss->ss_client_seq->lcs_exp);
+ ss->ss_client_seq->lcs_exp = NULL;
+ GOTO(out_free, rc);
+ }
+out_free:
+ if (lwp_name != NULL)
+ OBD_FREE(lwp_name, MAX_OBD_NAME);
+
+ return rc;
+}
+
/* object sequence management */
int ofd_seqs_init(const struct lu_env *env, struct ofd_device *ofd)
{
+ int rc;
+
+ rc = ofd_fid_init(env, ofd);
+ if (rc != 0) {
+ CERROR("%s: fid init error: rc = %d\n", ofd_name(ofd), rc);
+ return rc;
+ }
+
+ rc = ofd_fld_init(env, ofd_name(ofd), ofd);
+ if (rc) {
+ CERROR("%s: Can't init fld, rc %d\n", ofd_name(ofd), rc);
+ return rc;
+ }
+
+ rc = ofd_register_seq_exp(ofd);
+ if (rc) {
+ CERROR("%s: Can't init seq exp, rc %d\n", ofd_name(ofd), rc);
+ return rc;
+ }
+
rwlock_init(&ofd->ofd_seq_list_lock);
CFS_INIT_LIST_HEAD(&ofd->ofd_seq_list);
ofd->ofd_seq_count = 0;
- return 0;
+ return rc;
}
int ofd_clients_data_init(const struct lu_env *env, struct ofd_device *ofd,
__u64 last_rcvd;
/* Don't assume off is incremented properly by
- * fsfilt_read_record(), in case sizeof(*lcd)
+ * read_record(), in case sizeof(*lcd)
* isn't the same as fsd->lsd_client_size. */
off = lsd->lsd_client_start + cl_idx * lsd->lsd_client_size;
rc = tgt_client_data_read(env, &ofd->ofd_lut, lcd, &off, cl_idx);