struct se_device *dev = cmd->se_dev;
struct se_session *sess = cmd->se_sess;
struct se_portal_group *tpg = sess->se_tpg;
- int ret;
+ int ret = 0;
if (!sess || !tpg)
- return 0;
+ goto out;
if (target_check_scsi2_reservation_conflict(cmd, &ret))
- return ret;
+ goto out;
+ ret = 0;
spin_lock(&dev->dev_reservation_lock);
- if (!dev->dev_reserved_node_acl || !sess) {
- spin_unlock(&dev->dev_reservation_lock);
- return 0;
- }
+ if (!dev->dev_reserved_node_acl || !sess)
+ goto out_unlock;
+
+ if (dev->dev_reserved_node_acl != sess->se_node_acl)
+ goto out_unlock;
- if (dev->dev_reserved_node_acl != sess->se_node_acl) {
- spin_unlock(&dev->dev_reservation_lock);
- return 0;
- }
dev->dev_reserved_node_acl = NULL;
dev->dev_flags &= ~DF_SPC2_RESERVATIONS;
if (dev->dev_flags & DF_SPC2_RESERVATIONS_WITH_ISID) {
" MAPPED LUN: %u for %s\n", tpg->se_tpg_tfo->get_fabric_name(),
cmd->se_lun->unpacked_lun, cmd->se_deve->mapped_lun,
sess->se_node_acl->initiatorname);
- spin_unlock(&dev->dev_reservation_lock);
- return 0;
+out_unlock:
+ spin_unlock(&dev->dev_reservation_lock);
+out:
+ if (!ret) {
+ task->task_scsi_status = GOOD;
+ transport_complete_task(task, 1);
+ }
+ return ret;
}
int target_scsi2_reservation_reserve(struct se_task *task)
struct se_device *dev = cmd->se_dev;
struct se_session *sess = cmd->se_sess;
struct se_portal_group *tpg = sess->se_tpg;
- int ret;
+ int ret = 0;
if ((cmd->t_task_cdb[1] & 0x01) &&
(cmd->t_task_cdb[1] & 0x02)) {
pr_err("LongIO and Obselete Bits set, returning"
" ILLEGAL_REQUEST\n");
- return PYX_TRANSPORT_ILLEGAL_REQUEST;
+ ret = PYX_TRANSPORT_ILLEGAL_REQUEST;
+ goto out;
}
/*
* This is currently the case for target_core_mod passthrough struct se_cmd
* ops
*/
if (!sess || !tpg)
- return 0;
+ goto out;
if (target_check_scsi2_reservation_conflict(cmd, &ret))
- return ret;
+ goto out;
+ ret = 0;
spin_lock(&dev->dev_reservation_lock);
if (dev->dev_reserved_node_acl &&
(dev->dev_reserved_node_acl != sess->se_node_acl)) {
" from %s \n", cmd->se_lun->unpacked_lun,
cmd->se_deve->mapped_lun,
sess->se_node_acl->initiatorname);
- spin_unlock(&dev->dev_reservation_lock);
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+ goto out_unlock;
}
dev->dev_reserved_node_acl = sess->se_node_acl;
" for %s\n", tpg->se_tpg_tfo->get_fabric_name(),
cmd->se_lun->unpacked_lun, cmd->se_deve->mapped_lun,
sess->se_node_acl->initiatorname);
- spin_unlock(&dev->dev_reservation_lock);
- return 0;
+out_unlock:
+ spin_unlock(&dev->dev_reservation_lock);
+out:
+ if (!ret) {
+ task->task_scsi_status = GOOD;
+ transport_complete_task(task, 1);
+ }
+ return ret;
}
u64 res_key, sa_res_key;
int sa, scope, type, aptpl;
int spec_i_pt = 0, all_tg_pt = 0, unreg = 0;
+ int ret;
/*
* Following spc2r20 5.5.1 Reservations overview:
pr_err("Received PERSISTENT_RESERVE CDB while legacy"
" SPC-2 reservation is held, returning"
" RESERVATION_CONFLICT\n");
- return PYX_TRANSPORT_RESERVATION_CONFLICT;
+ ret = PYX_TRANSPORT_RESERVATION_CONFLICT;
+ goto out;
}
/*
if (cmd->data_length < 24) {
pr_warn("SPC-PR: Received PR OUT parameter list"
" length too small: %u\n", cmd->data_length);
- return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ goto out;
}
/*
* From the PERSISTENT_RESERVE_OUT command descriptor block (CDB)
/*
* SPEC_I_PT=1 is only valid for Service action: REGISTER
*/
- if (spec_i_pt && ((cdb[1] & 0x1f) != PRO_REGISTER))
- return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ if (spec_i_pt && ((cdb[1] & 0x1f) != PRO_REGISTER)) {
+ ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ goto out;
+ }
+
/*
* From spc4r17 section 6.14:
*
(cmd->data_length != 24)) {
pr_warn("SPC-PR: Received PR OUT illegal parameter"
" list length: %u\n", cmd->data_length);
- return PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ ret = PYX_TRANSPORT_INVALID_PARAMETER_LIST;
+ goto out;
}
/*
* (core_scsi3_emulate_pro_* function parameters
*/
switch (sa) {
case PRO_REGISTER:
- return core_scsi3_emulate_pro_register(cmd,
+ ret = core_scsi3_emulate_pro_register(cmd,
res_key, sa_res_key, aptpl, all_tg_pt, spec_i_pt, 0);
+ break;
case PRO_RESERVE:
- return core_scsi3_emulate_pro_reserve(cmd,
- type, scope, res_key);
+ ret = core_scsi3_emulate_pro_reserve(cmd, type, scope, res_key);
+ break;
case PRO_RELEASE:
- return core_scsi3_emulate_pro_release(cmd,
- type, scope, res_key);
+ ret = core_scsi3_emulate_pro_release(cmd, type, scope, res_key);
+ break;
case PRO_CLEAR:
- return core_scsi3_emulate_pro_clear(cmd, res_key);
+ ret = core_scsi3_emulate_pro_clear(cmd, res_key);
+ break;
case PRO_PREEMPT:
- return core_scsi3_emulate_pro_preempt(cmd, type, scope,
+ ret = core_scsi3_emulate_pro_preempt(cmd, type, scope,
res_key, sa_res_key, 0);
+ break;
case PRO_PREEMPT_AND_ABORT:
- return core_scsi3_emulate_pro_preempt(cmd, type, scope,
+ ret = core_scsi3_emulate_pro_preempt(cmd, type, scope,
res_key, sa_res_key, 1);
+ break;
case PRO_REGISTER_AND_IGNORE_EXISTING_KEY:
- return core_scsi3_emulate_pro_register(cmd,
+ ret = core_scsi3_emulate_pro_register(cmd,
0, sa_res_key, aptpl, all_tg_pt, spec_i_pt, 1);
+ break;
case PRO_REGISTER_AND_MOVE:
- return core_scsi3_emulate_pro_register_and_move(cmd, res_key,
+ ret = core_scsi3_emulate_pro_register_and_move(cmd, res_key,
sa_res_key, aptpl, unreg);
+ break;
default:
pr_err("Unknown PERSISTENT_RESERVE_OUT service"
" action: 0x%02x\n", cdb[1] & 0x1f);
- return PYX_TRANSPORT_INVALID_CDB_FIELD;
+ ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+ break;
}
- return PYX_TRANSPORT_INVALID_CDB_FIELD;
+out:
+ if (!ret) {
+ task->task_scsi_status = GOOD;
+ transport_complete_task(task, 1);
+ }
+ return ret;
}
/*
int target_scsi3_emulate_pr_in(struct se_task *task)
{
struct se_cmd *cmd = task->task_se_cmd;
+ int ret;
/*
* Following spc2r20 5.5.1 Reservations overview:
switch (cmd->t_task_cdb[1] & 0x1f) {
case PRI_READ_KEYS:
- return core_scsi3_pri_read_keys(cmd);
+ ret = core_scsi3_pri_read_keys(cmd);
+ break;
case PRI_READ_RESERVATION:
- return core_scsi3_pri_read_reservation(cmd);
+ ret = core_scsi3_pri_read_reservation(cmd);
+ break;
case PRI_REPORT_CAPABILITIES:
- return core_scsi3_pri_report_capabilities(cmd);
+ ret = core_scsi3_pri_report_capabilities(cmd);
+ break;
case PRI_READ_FULL_STATUS:
- return core_scsi3_pri_read_full_status(cmd);
+ ret = core_scsi3_pri_read_full_status(cmd);
+ break;
default:
pr_err("Unknown PERSISTENT_RESERVE_IN service"
" action: 0x%02x\n", cmd->t_task_cdb[1] & 0x1f);
- return PYX_TRANSPORT_INVALID_CDB_FIELD;
+ ret = PYX_TRANSPORT_INVALID_CDB_FIELD;
+ break;
+ }
+
+ if (!ret) {
+ task->task_scsi_status = GOOD;
+ transport_complete_task(task, 1);
}
+ return ret;
}
static int core_pt_reservation_check(struct se_cmd *cmd, u32 *pr_res_type)
git.openpandora.org / pandora-kernel.git / blobdiff