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target: add a new add_wwn_groups fabrics method 

We need to have the WWN fully initialized before addig default groups to it,
so add a new method to add these groups after the WWN has been initialized.
Also remove the default groups in the core while we're at it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Christoph Hellwig 2016-03-29 13:03:35 +02:00 committed by Nicholas Bellinger
parent e6e202edf0
commit 839559e106
3 changed files with 15 additions and 8 deletions
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19
drivers/target/iscsi/iscsi_target_configfs.c
View File

@ -1239,6 +1239,16 @@ static struct se_wwn *lio_target_call_coreaddtiqn(
if (IS_ERR(tiqn))
return ERR_CAST(tiqn);
pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn);
pr_debug("LIO_Target_ConfigFS: REGISTER -> Allocated Node:"
" %s\n", name);
return &tiqn->tiqn_wwn;
}
static void lio_target_add_wwn_groups(struct se_wwn *wwn)
{
struct iscsi_tiqn *tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn);
config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_instance_group,
"iscsi_instance", &iscsi_stat_instance_cit);
configfs_add_default_group(&tiqn->tiqn_stat_grps.iscsi_instance_group,
@ -1263,12 +1273,6 @@ static struct se_wwn *lio_target_call_coreaddtiqn(
"iscsi_logout_stats", &iscsi_stat_logout_cit);
configfs_add_default_group(&tiqn->tiqn_stat_grps.iscsi_logout_stats_group,
&tiqn->tiqn_wwn.fabric_stat_group);
pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn);
pr_debug("LIO_Target_ConfigFS: REGISTER -> Allocated Node:"
" %s\n", name);
return &tiqn->tiqn_wwn;
}
static void lio_target_call_coredeltiqn(
@ -1276,8 +1280,6 @@ static void lio_target_call_coredeltiqn(
{
struct iscsi_tiqn *tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn);
configfs_remove_default_groups(&tiqn->tiqn_wwn.fabric_stat_group);
pr_debug("LIO_Target_ConfigFS: DEREGISTER -> %s\n",
tiqn->tiqn);
iscsit_del_tiqn(tiqn);
@ -1652,6 +1654,7 @@ const struct target_core_fabric_ops iscsi_ops = {
.aborted_task = lio_aborted_task,
.fabric_make_wwn = lio_target_call_coreaddtiqn,
.fabric_drop_wwn = lio_target_call_coredeltiqn,
.add_wwn_groups = lio_target_add_wwn_groups,
.fabric_make_tpg = lio_target_tiqn_addtpg,
.fabric_drop_tpg = lio_target_tiqn_deltpg,
.fabric_make_np = lio_target_call_addnptotpg,

3
drivers/target/target_core_fabric_configfs.c
View File

@ -891,6 +891,7 @@ static void target_fabric_release_wwn(struct config_item *item)
struct se_wwn, wwn_group);
struct target_fabric_configfs *tf = wwn->wwn_tf;
configfs_remove_default_groups(&wwn->fabric_stat_group);
tf->tf_ops->fabric_drop_wwn(wwn);
}
@ -944,6 +945,8 @@ static struct config_group *target_fabric_make_wwn(
&tf->tf_wwn_fabric_stats_cit);
configfs_add_default_group(&wwn->fabric_stat_group, &wwn->wwn_group);
if (tf->tf_ops->add_wwn_groups)
tf->tf_ops->add_wwn_groups(wwn);
return &wwn->wwn_group;
}

1
include/target/target_core_fabric.h
View File

@ -76,6 +76,7 @@ struct target_core_fabric_ops {
struct se_wwn *(*fabric_make_wwn)(struct target_fabric_configfs *,
struct config_group *, const char *);
void (*fabric_drop_wwn)(struct se_wwn *);
void (*add_wwn_groups)(struct se_wwn *);
struct se_portal_group *(*fabric_make_tpg)(struct se_wwn *,
struct config_group *, const char *);
void (*fabric_drop_tpg)(struct se_portal_group *);