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scsi: target: core: Drop device-based RTPI

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The code is not needed since target port-based RTPI allocation replaced it.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Dmitry Bogdanov <d.bogdanov@yadro.com>
Link: https://lore.kernel.org/r/20230301084512.21956-4-d.bogdanov@yadro.com
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Roman Bolshakov 2023-03-01 11:45:11 +03:00 committed by Martin K. Petersen
parent b9e063adfb
commit 5fe99dace4
4 changed files with 0 additions and 52 deletions
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41
drivers/target/target_core_device.c
View File

@ -479,47 +479,6 @@ void core_clear_lun_from_tpg(struct se_lun *lun, struct se_portal_group *tpg)
mutex_unlock(&tpg->acl_node_mutex);
}
int core_alloc_rtpi(struct se_lun *lun, struct se_device *dev)
{
struct se_lun *tmp;
spin_lock(&dev->se_port_lock);
if (dev->export_count == 0x0000ffff) {
pr_warn("Reached dev->dev_port_count =="
" 0x0000ffff\n");
spin_unlock(&dev->se_port_lock);
return -ENOSPC;
}
again:
/*
* Allocate the next RELATIVE TARGET PORT IDENTIFIER for this struct se_device
* Here is the table from spc4r17 section 7.7.3.8.
*
* Table 473 -- RELATIVE TARGET PORT IDENTIFIER field
*
* Code Description
* 0h Reserved
* 1h Relative port 1, historically known as port A
* 2h Relative port 2, historically known as port B
* 3h to FFFFh Relative port 3 through 65 535
*/
lun->lun_rtpi = dev->dev_rpti_counter++;
if (!lun->lun_rtpi)
goto again;
list_for_each_entry(tmp, &dev->dev_sep_list, lun_dev_link) {
/*
* Make sure RELATIVE TARGET PORT IDENTIFIER is unique
* for 16-bit wrap..
*/
if (lun->lun_rtpi == tmp->lun_rtpi)
goto again;
}
spin_unlock(&dev->se_port_lock);
return 0;
}
static void se_release_vpd_for_dev(struct se_device *dev)
{
struct t10_vpd *vpd, *vpd_tmp;

1
drivers/target/target_core_internal.h
View File

@ -59,7 +59,6 @@ struct target_fabric_configfs {
extern struct t10_alua_lu_gp *default_lu_gp;
/* target_core_device.c */
int core_alloc_rtpi(struct se_lun *lun, struct se_device *dev);
struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16);
void target_pr_kref_release(struct kref *);
void core_free_device_list_for_node(struct se_node_acl *,

6
drivers/target/target_core_tpg.c
View File

@ -632,10 +632,6 @@ int core_tpg_add_lun(
if (ret < 0)
goto out;
ret = core_alloc_rtpi(lun, dev);
if (ret)
goto out_kill_ref;
if (!(dev->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_ALUA) &&
!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
target_attach_tg_pt_gp(lun, dev->t10_alua.default_tg_pt_gp);
@ -659,8 +655,6 @@ int core_tpg_add_lun(
return 0;
out_kill_ref:
percpu_ref_exit(&lun->lun_ref);
out:
return ret;
}

4
include/target/target_core_base.h
View File

@ -735,8 +735,6 @@ struct se_lun {
bool lun_access_ro;
u32 lun_index;
/* RELATIVE TARGET PORT IDENTIFER */
u16 lun_rtpi;
atomic_t lun_acl_count;
struct se_device __rcu *lun_se_dev;
@ -788,8 +786,6 @@ struct se_device_queue {
};
struct se_device {
/* RELATIVE TARGET PORT IDENTIFER Counter */
u16 dev_rpti_counter;
/* Used for SAM Task Attribute ordering */
u32 dev_cur_ordered_id;
u32 dev_flags;