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target: make the tpg_get_default_depth method optional

Browse Source 
All fabric drivers except for iSCSI always return 1, so implement
that as default behavior.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Christoph Hellwig 2015-04-13 19:51:13 +02:00 committed by Nicholas Bellinger
parent 55570113a9
commit e1750d20e6
11 changed files with 4 additions and 62 deletions
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8
Documentation/target/tcm_mod_builder.py
View File

@ -377,7 +377,6 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += " .get_fabric_proto_ident = " + fabric_mod_name + "_get_fabric_proto_ident,\n"
buf += " .tpg_get_wwn = " + fabric_mod_name + "_get_fabric_wwn,\n"
buf += " .tpg_get_tag = " + fabric_mod_name + "_get_tag,\n"
buf += " .tpg_get_default_depth = " + fabric_mod_name + "_get_default_depth,\n"
buf += " .tpg_get_pr_transport_id = " + fabric_mod_name + "_get_pr_transport_id,\n"
buf += " .tpg_get_pr_transport_id_len = " + fabric_mod_name + "_get_pr_transport_id_len,\n"
buf += " .tpg_parse_pr_out_transport_id = " + fabric_mod_name + "_parse_pr_out_transport_id,\n"
@ -590,13 +589,6 @@ def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += "}\n\n"
bufi += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *);\n"
if re.search('get_default_depth', fo):
buf += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *se_tpg)\n"
buf += "{\n"
buf += " return 1;\n"
buf += "}\n\n"
bufi += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *);\n"
if re.search('get_pr_transport_id\)\(', fo):
buf += "u32 " + fabric_mod_name + "_get_pr_transport_id(\n"
buf += " struct se_portal_group *se_tpg,\n"

6
drivers/infiniband/ulp/srpt/ib_srpt.c
View File

@ -3411,11 +3411,6 @@ static u16 srpt_get_tag(struct se_portal_group *tpg)
return 1;
}
static u32 srpt_get_default_depth(struct se_portal_group *se_tpg)
{
return 1;
}
static u32 srpt_get_pr_transport_id(struct se_portal_group *se_tpg,
struct se_node_acl *se_nacl,
struct t10_pr_registration *pr_reg,
@ -3920,7 +3915,6 @@ static const struct target_core_fabric_ops srpt_template = {
.get_fabric_proto_ident = srpt_get_fabric_proto_ident,
.tpg_get_wwn = srpt_get_fabric_wwn,
.tpg_get_tag = srpt_get_tag,
.tpg_get_default_depth = srpt_get_default_depth,
.tpg_get_pr_transport_id = srpt_get_pr_transport_id,
.tpg_get_pr_transport_id_len = srpt_get_pr_transport_id_len,
.tpg_parse_pr_out_transport_id = srpt_parse_pr_out_transport_id,

7
drivers/scsi/qla2xxx/tcm_qla2xxx.c
View File

@ -223,11 +223,6 @@ static u16 tcm_qla2xxx_get_tag(struct se_portal_group *se_tpg)
return tpg->lport_tpgt;
}
static u32 tcm_qla2xxx_get_default_depth(struct se_portal_group *se_tpg)
{
return 1;
}
static u32 tcm_qla2xxx_get_pr_transport_id(
struct se_portal_group *se_tpg,
struct se_node_acl *se_nacl,
@ -1991,7 +1986,6 @@ static const struct target_core_fabric_ops tcm_qla2xxx_ops = {
.get_fabric_proto_ident = tcm_qla2xxx_get_fabric_proto_ident,
.tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
.tpg_get_tag = tcm_qla2xxx_get_tag,
.tpg_get_default_depth = tcm_qla2xxx_get_default_depth,
.tpg_get_pr_transport_id = tcm_qla2xxx_get_pr_transport_id,
.tpg_get_pr_transport_id_len = tcm_qla2xxx_get_pr_transport_id_len,
.tpg_parse_pr_out_transport_id = tcm_qla2xxx_parse_pr_out_transport_id,
@ -2049,7 +2043,6 @@ static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
.get_fabric_proto_ident = tcm_qla2xxx_get_fabric_proto_ident,
.tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
.tpg_get_tag = tcm_qla2xxx_get_tag,
.tpg_get_default_depth = tcm_qla2xxx_get_default_depth,
.tpg_get_pr_transport_id = tcm_qla2xxx_get_pr_transport_id,
.tpg_get_pr_transport_id_len = tcm_qla2xxx_get_pr_transport_id_len,
.tpg_parse_pr_out_transport_id = tcm_qla2xxx_parse_pr_out_transport_id,

6
drivers/target/loopback/tcm_loop.c
View File

@ -566,11 +566,6 @@ static u16 tcm_loop_get_tag(struct se_portal_group *se_tpg)
return tl_tpg->tl_tpgt;
}
static u32 tcm_loop_get_default_depth(struct se_portal_group *se_tpg)
{
return 1;
}
static u32 tcm_loop_get_pr_transport_id(
struct se_portal_group *se_tpg,
struct se_node_acl *se_nacl,
@ -1378,7 +1373,6 @@ static const struct target_core_fabric_ops loop_ops = {
.get_fabric_proto_ident = tcm_loop_get_fabric_proto_ident,
.tpg_get_wwn = tcm_loop_get_endpoint_wwn,
.tpg_get_tag = tcm_loop_get_tag,
.tpg_get_default_depth = tcm_loop_get_default_depth,
.tpg_get_pr_transport_id = tcm_loop_get_pr_transport_id,
.tpg_get_pr_transport_id_len = tcm_loop_get_pr_transport_id_len,
.tpg_parse_pr_out_transport_id = tcm_loop_parse_pr_out_transport_id,

6
drivers/target/sbp/sbp_target.c
View File

@ -1707,11 +1707,6 @@ static u16 sbp_get_tag(struct se_portal_group *se_tpg)
return tpg->tport_tpgt;
}
static u32 sbp_get_default_depth(struct se_portal_group *se_tpg)
{
return 1;
}
static struct se_node_acl *sbp_alloc_fabric_acl(struct se_portal_group *se_tpg)
{
return kzalloc(sizeof(struct se_node_acl), GFP_KERNEL);
@ -2490,7 +2485,6 @@ static const struct target_core_fabric_ops sbp_ops = {
.get_fabric_proto_ident = sbp_get_fabric_proto_ident,
.tpg_get_wwn = sbp_get_fabric_wwn,
.tpg_get_tag = sbp_get_tag,
.tpg_get_default_depth = sbp_get_default_depth,
.tpg_get_pr_transport_id = sbp_get_pr_transport_id,
.tpg_get_pr_transport_id_len = sbp_get_pr_transport_id_len,
.tpg_parse_pr_out_transport_id = sbp_parse_pr_out_transport_id,

4
drivers/target/target_core_configfs.c
View File

@ -330,10 +330,6 @@ static int target_fabric_tf_ops_check(const struct target_core_fabric_ops *tfo)
pr_err("Missing tfo->tpg_get_tag()\n");
return -EINVAL;
}
if (!tfo->tpg_get_default_depth) {
pr_err("Missing tfo->tpg_get_default_depth()\n");
return -EINVAL;
}
if (!tfo->tpg_get_pr_transport_id) {
pr_err("Missing tfo->tpg_get_pr_transport_id()\n");
return -EINVAL;

5
drivers/target/target_core_tpg.c
View File

@ -282,7 +282,10 @@ struct se_node_acl *core_tpg_check_initiator_node_acl(
spin_lock_init(&acl->device_list_lock);
spin_lock_init(&acl->nacl_sess_lock);
atomic_set(&acl->acl_pr_ref_count, 0);
acl->queue_depth = tpg->se_tpg_tfo->tpg_get_default_depth(tpg);
if (tpg->se_tpg_tfo->tpg_get_default_depth)
acl->queue_depth = tpg->se_tpg_tfo->tpg_get_default_depth(tpg);
else
acl->queue_depth = 1;
snprintf(acl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname);
acl->se_tpg = tpg;
acl->acl_index = scsi_get_new_index(SCSI_AUTH_INTR_INDEX);

6
drivers/target/tcm_fc/tfc_conf.c
View File

@ -486,11 +486,6 @@ static u16 ft_get_tag(struct se_portal_group *se_tpg)
return tpg->index;
}
static u32 ft_get_default_depth(struct se_portal_group *se_tpg)
{
return 1;
}
static int ft_check_false(struct se_portal_group *se_tpg)
{
return 0;
@ -514,7 +509,6 @@ static const struct target_core_fabric_ops ft_fabric_ops = {
.get_fabric_proto_ident = fc_get_fabric_proto_ident,
.tpg_get_wwn = ft_get_fabric_wwn,
.tpg_get_tag = ft_get_tag,
.tpg_get_default_depth = ft_get_default_depth,
.tpg_get_pr_transport_id = fc_get_pr_transport_id,
.tpg_get_pr_transport_id_len = fc_get_pr_transport_id_len,
.tpg_parse_pr_out_transport_id = fc_parse_pr_out_transport_id,

6
drivers/usb/gadget/legacy/tcm_usb_gadget.c
View File

@ -1307,11 +1307,6 @@ static u16 usbg_get_tag(struct se_portal_group *se_tpg)
return tpg->tport_tpgt;
}
static u32 usbg_get_default_depth(struct se_portal_group *se_tpg)
{
return 1;
}
static u32 usbg_get_pr_transport_id(
struct se_portal_group *se_tpg,
struct se_node_acl *se_nacl,
@ -1852,7 +1847,6 @@ static const struct target_core_fabric_ops usbg_ops = {
.get_fabric_proto_ident = usbg_get_fabric_proto_ident,
.tpg_get_wwn = usbg_get_fabric_wwn,
.tpg_get_tag = usbg_get_tag,
.tpg_get_default_depth = usbg_get_default_depth,
.tpg_get_pr_transport_id = usbg_get_pr_transport_id,
.tpg_get_pr_transport_id_len = usbg_get_pr_transport_id_len,
.tpg_parse_pr_out_transport_id = usbg_parse_pr_out_transport_id,

6
drivers/vhost/scsi.c
View File

@ -326,11 +326,6 @@ static u16 vhost_scsi_get_tpgt(struct se_portal_group *se_tpg)
return tpg->tport_tpgt;
}
static u32 vhost_scsi_get_default_depth(struct se_portal_group *se_tpg)
{
return 1;
}
static u32
vhost_scsi_get_pr_transport_id(struct se_portal_group *se_tpg,
struct se_node_acl *se_nacl,
@ -2300,7 +2295,6 @@ static struct target_core_fabric_ops vhost_scsi_ops = {
.get_fabric_proto_ident = vhost_scsi_get_fabric_proto_ident,
.tpg_get_wwn = vhost_scsi_get_fabric_wwn,
.tpg_get_tag = vhost_scsi_get_tpgt,
.tpg_get_default_depth = vhost_scsi_get_default_depth,
.tpg_get_pr_transport_id = vhost_scsi_get_pr_transport_id,
.tpg_get_pr_transport_id_len = vhost_scsi_get_pr_transport_id_len,
.tpg_parse_pr_out_transport_id = vhost_scsi_parse_pr_out_transport_id,

6
drivers/xen/xen-scsiback.c
View File

@ -1292,11 +1292,6 @@ static u16 scsiback_get_tag(struct se_portal_group *se_tpg)
return tpg->tport_tpgt;
}
static u32 scsiback_get_default_depth(struct se_portal_group *se_tpg)
{
return 1;
}
static u32
scsiback_get_pr_transport_id(struct se_portal_group *se_tpg,
struct se_node_acl *se_nacl,
@ -1950,7 +1945,6 @@ static const struct target_core_fabric_ops scsiback_ops = {
.get_fabric_proto_ident = scsiback_get_fabric_proto_ident,
.tpg_get_wwn = scsiback_get_fabric_wwn,
.tpg_get_tag = scsiback_get_tag,
.tpg_get_default_depth = scsiback_get_default_depth,
.tpg_get_pr_transport_id = scsiback_get_pr_transport_id,
.tpg_get_pr_transport_id_len = scsiback_get_pr_transport_id_len,
.tpg_parse_pr_out_transport_id = scsiback_parse_pr_out_transport_id,