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authorDavid Disseldorp <ddiss@suse.de>2018-11-23 20:36:13 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2018-11-29 02:50:59 +0300
commit59a206b4499edf4c54fd53983f0e366eef052b05 (patch)
tree9d061ba893687adc27341123794ae89fb74fd960 /drivers/target
parent30c7ca9350048486ab32fdb9f5f6ed0603bba39a (diff)
downloadlinux-59a206b4499edf4c54fd53983f0e366eef052b05.tar.xz
scsi: target: replace fabric_ops.name with fabric_alias
iscsi_target_mod is the only LIO fabric where fabric_ops.name differs from the fabric_ops.fabric_name string. fabric_ops.name is used when matching target/$fabric ConfigFS create paths, so rename it .fabric_alias and fallback to target/$fabric vs .fabric_name comparison if .fabric_alias isn't initialised. iscsi_target_mod is the only fabric module to set .fabric_alias . All other fabric modules rely on .fabric_name matching and can drop the duplicate string. Signed-off-by: David Disseldorp <ddiss@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/target')
-rw-r--r--drivers/target/iscsi/iscsi_target_configfs.c2
-rw-r--r--drivers/target/loopback/tcm_loop.c1
-rw-r--r--drivers/target/sbp/sbp_target.c1
-rw-r--r--drivers/target/target_core_configfs.c30
-rw-r--r--drivers/target/tcm_fc/tfc_conf.c1
5 files changed, 19 insertions, 16 deletions
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index 5c9e98ee42de..39a700a41f6e 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -1544,7 +1544,7 @@ static void lio_release_cmd(struct se_cmd *se_cmd)
const struct target_core_fabric_ops iscsi_ops = {
.module = THIS_MODULE,
- .name = "iscsi",
+ .fabric_alias = "iscsi",
.fabric_name = "iSCSI",
.node_acl_size = sizeof(struct iscsi_node_acl),
.tpg_get_wwn = lio_tpg_get_endpoint_wwn,
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 962845224c19..b0991e86587f 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -1144,7 +1144,6 @@ static struct configfs_attribute *tcm_loop_wwn_attrs[] = {
static const struct target_core_fabric_ops loop_ops = {
.module = THIS_MODULE,
- .name = "loopback",
.fabric_name = "loopback",
.tpg_get_wwn = tcm_loop_get_endpoint_wwn,
.tpg_get_tag = tcm_loop_get_tag,
diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c
index f5830bb4ef5a..08cee13dfb9a 100644
--- a/drivers/target/sbp/sbp_target.c
+++ b/drivers/target/sbp/sbp_target.c
@@ -2318,7 +2318,6 @@ static struct configfs_attribute *sbp_tpg_attrib_attrs[] = {
static const struct target_core_fabric_ops sbp_ops = {
.module = THIS_MODULE,
- .name = "sbp",
.fabric_name = "sbp",
.tpg_get_wwn = sbp_get_fabric_wwn,
.tpg_get_tag = sbp_get_tag,
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index ae6c44c48f75..0e8449be5115 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -172,7 +172,10 @@ static struct target_fabric_configfs *target_core_get_fabric(
mutex_lock(&g_tf_lock);
list_for_each_entry(tf, &g_tf_list, tf_list) {
- if (!strcmp(tf->tf_ops->name, name)) {
+ const char *cmp_name = tf->tf_ops->fabric_alias;
+ if (!cmp_name)
+ cmp_name = tf->tf_ops->fabric_name;
+ if (!strcmp(cmp_name, name)) {
atomic_inc(&tf->tf_access_cnt);
mutex_unlock(&g_tf_lock);
return tf;
@@ -249,7 +252,7 @@ static struct config_group *target_core_register_fabric(
return ERR_PTR(-EINVAL);
}
pr_debug("Target_Core_ConfigFS: REGISTER -> Located fabric:"
- " %s\n", tf->tf_ops->name);
+ " %s\n", tf->tf_ops->fabric_name);
/*
* On a successful target_core_get_fabric() look, the returned
* struct target_fabric_configfs *tf will contain a usage reference.
@@ -282,7 +285,7 @@ static void target_core_deregister_fabric(
" tf list\n", config_item_name(item));
pr_debug("Target_Core_ConfigFS: DEREGISTER -> located fabric:"
- " %s\n", tf->tf_ops->name);
+ " %s\n", tf->tf_ops->fabric_name);
atomic_dec(&tf->tf_access_cnt);
pr_debug("Target_Core_ConfigFS: DEREGISTER -> Releasing ci"
@@ -342,19 +345,22 @@ EXPORT_SYMBOL(target_undepend_item);
static int target_fabric_tf_ops_check(const struct target_core_fabric_ops *tfo)
{
- if (!tfo->name) {
- pr_err("Missing tfo->name\n");
- return -EINVAL;
- }
- if (strlen(tfo->name) >= TARGET_FABRIC_NAME_SIZE) {
- pr_err("Passed name: %s exceeds TARGET_FABRIC"
- "_NAME_SIZE\n", tfo->name);
- return -EINVAL;
+ if (tfo->fabric_alias) {
+ if (strlen(tfo->fabric_alias) >= TARGET_FABRIC_NAME_SIZE) {
+ pr_err("Passed alias: %s exceeds "
+ "TARGET_FABRIC_NAME_SIZE\n", tfo->fabric_alias);
+ return -EINVAL;
+ }
}
if (!tfo->fabric_name) {
pr_err("Missing tfo->fabric_name\n");
return -EINVAL;
}
+ if (strlen(tfo->fabric_name) >= TARGET_FABRIC_NAME_SIZE) {
+ pr_err("Passed name: %s exceeds "
+ "TARGET_FABRIC_NAME_SIZE\n", tfo->fabric_name);
+ return -EINVAL;
+ }
if (!tfo->tpg_get_wwn) {
pr_err("Missing tfo->tpg_get_wwn()\n");
return -EINVAL;
@@ -486,7 +492,7 @@ void target_unregister_template(const struct target_core_fabric_ops *fo)
mutex_lock(&g_tf_lock);
list_for_each_entry(t, &g_tf_list, tf_list) {
- if (!strcmp(t->tf_ops->name, fo->name)) {
+ if (!strcmp(t->tf_ops->fabric_name, fo->fabric_name)) {
BUG_ON(atomic_read(&t->tf_access_cnt));
list_del(&t->tf_list);
mutex_unlock(&g_tf_lock);
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 8b884246a9be..1ce49518d440 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -422,7 +422,6 @@ static u32 ft_tpg_get_inst_index(struct se_portal_group *se_tpg)
static const struct target_core_fabric_ops ft_fabric_ops = {
.module = THIS_MODULE,
- .name = "fc",
.fabric_name = "fc",
.node_acl_size = sizeof(struct ft_node_acl),
.tpg_get_wwn = ft_get_fabric_wwn,