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path: root/drivers/target/target_core_transport.c
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Diffstat (limited to 'drivers/target/target_core_transport.c')
-rw-r--r--drivers/target/target_core_transport.c327
1 files changed, 204 insertions, 123 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 9f3608e10f25..867bc6d0a68a 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -534,9 +534,6 @@ void transport_deregister_session(struct se_session *se_sess)
}
EXPORT_SYMBOL(transport_deregister_session);
-/*
- * Called with cmd->t_state_lock held.
- */
static void target_remove_from_state_list(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
@@ -561,10 +558,6 @@ static int transport_cmd_check_stop(struct se_cmd *cmd, bool remove_from_lists,
{
unsigned long flags;
- spin_lock_irqsave(&cmd->t_state_lock, flags);
- if (write_pending)
- cmd->t_state = TRANSPORT_WRITE_PENDING;
-
if (remove_from_lists) {
target_remove_from_state_list(cmd);
@@ -574,6 +567,10 @@ static int transport_cmd_check_stop(struct se_cmd *cmd, bool remove_from_lists,
cmd->se_lun = NULL;
}
+ spin_lock_irqsave(&cmd->t_state_lock, flags);
+ if (write_pending)
+ cmd->t_state = TRANSPORT_WRITE_PENDING;
+
/*
* Determine if frontend context caller is requesting the stopping of
* this command for frontend exceptions.
@@ -627,6 +624,8 @@ static void transport_lun_remove_cmd(struct se_cmd *cmd)
void transport_cmd_finish_abort(struct se_cmd *cmd, int remove)
{
+ bool ack_kref = (cmd->se_cmd_flags & SCF_ACK_KREF);
+
if (cmd->se_cmd_flags & SCF_SE_LUN_CMD)
transport_lun_remove_cmd(cmd);
/*
@@ -638,7 +637,7 @@ void transport_cmd_finish_abort(struct se_cmd *cmd, int remove)
if (transport_cmd_check_stop_to_fabric(cmd))
return;
- if (remove)
+ if (remove && ack_kref)
transport_put_cmd(cmd);
}
@@ -694,19 +693,10 @@ void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status)
}
/*
- * See if we are waiting to complete for an exception condition.
- */
- if (cmd->transport_state & CMD_T_REQUEST_STOP) {
- spin_unlock_irqrestore(&cmd->t_state_lock, flags);
- complete(&cmd->task_stop_comp);
- return;
- }
-
- /*
* Check for case where an explicit ABORT_TASK has been received
* and transport_wait_for_tasks() will be waiting for completion..
*/
- if (cmd->transport_state & CMD_T_ABORTED &&
+ if (cmd->transport_state & CMD_T_ABORTED ||
cmd->transport_state & CMD_T_STOP) {
spin_unlock_irqrestore(&cmd->t_state_lock, flags);
complete_all(&cmd->t_transport_stop_comp);
@@ -721,10 +711,10 @@ void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status)
cmd->transport_state |= (CMD_T_COMPLETE | CMD_T_ACTIVE);
spin_unlock_irqrestore(&cmd->t_state_lock, flags);
- if (cmd->cpuid == -1)
- queue_work(target_completion_wq, &cmd->work);
- else
+ if (cmd->se_cmd_flags & SCF_USE_CPUID)
queue_work_on(cmd->cpuid, target_completion_wq, &cmd->work);
+ else
+ queue_work(target_completion_wq, &cmd->work);
}
EXPORT_SYMBOL(target_complete_cmd);
@@ -1203,7 +1193,6 @@ void transport_init_se_cmd(
INIT_LIST_HEAD(&cmd->state_list);
init_completion(&cmd->t_transport_stop_comp);
init_completion(&cmd->cmd_wait_comp);
- init_completion(&cmd->task_stop_comp);
spin_lock_init(&cmd->t_state_lock);
kref_init(&cmd->cmd_kref);
cmd->transport_state = CMD_T_DEV_ACTIVE;
@@ -1437,6 +1426,12 @@ int target_submit_cmd_map_sgls(struct se_cmd *se_cmd, struct se_session *se_sess
*/
transport_init_se_cmd(se_cmd, se_tpg->se_tpg_tfo, se_sess,
data_length, data_dir, task_attr, sense);
+
+ if (flags & TARGET_SCF_USE_CPUID)
+ se_cmd->se_cmd_flags |= SCF_USE_CPUID;
+ else
+ se_cmd->cpuid = WORK_CPU_UNBOUND;
+
if (flags & TARGET_SCF_UNKNOWN_SIZE)
se_cmd->unknown_data_length = 1;
/*
@@ -1635,33 +1630,6 @@ int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess,
EXPORT_SYMBOL(target_submit_tmr);
/*
- * If the cmd is active, request it to be stopped and sleep until it
- * has completed.
- */
-bool target_stop_cmd(struct se_cmd *cmd, unsigned long *flags)
- __releases(&cmd->t_state_lock)
- __acquires(&cmd->t_state_lock)
-{
- bool was_active = false;
-
- if (cmd->transport_state & CMD_T_BUSY) {
- cmd->transport_state |= CMD_T_REQUEST_STOP;
- spin_unlock_irqrestore(&cmd->t_state_lock, *flags);
-
- pr_debug("cmd %p waiting to complete\n", cmd);
- wait_for_completion(&cmd->task_stop_comp);
- pr_debug("cmd %p stopped successfully\n", cmd);
-
- spin_lock_irqsave(&cmd->t_state_lock, *flags);
- cmd->transport_state &= ~CMD_T_REQUEST_STOP;
- cmd->transport_state &= ~CMD_T_BUSY;
- was_active = true;
- }
-
- return was_active;
-}
-
-/*
* Handle SAM-esque emulation for generic transport request failures.
*/
void transport_generic_request_failure(struct se_cmd *cmd,
@@ -1859,19 +1827,21 @@ static bool target_handle_task_attr(struct se_cmd *cmd)
return true;
}
+static int __transport_check_aborted_status(struct se_cmd *, int);
+
void target_execute_cmd(struct se_cmd *cmd)
{
/*
- * If the received CDB has aleady been aborted stop processing it here.
- */
- if (transport_check_aborted_status(cmd, 1))
- return;
-
- /*
* Determine if frontend context caller is requesting the stopping of
* this command for frontend exceptions.
+ *
+ * If the received CDB has aleady been aborted stop processing it here.
*/
spin_lock_irq(&cmd->t_state_lock);
+ if (__transport_check_aborted_status(cmd, 1)) {
+ spin_unlock_irq(&cmd->t_state_lock);
+ return;
+ }
if (cmd->transport_state & CMD_T_STOP) {
pr_debug("%s:%d CMD_T_STOP for ITT: 0x%08llx\n",
__func__, __LINE__, cmd->tag);
@@ -2222,20 +2192,14 @@ static inline void transport_free_pages(struct se_cmd *cmd)
}
/**
- * transport_release_cmd - free a command
- * @cmd: command to free
+ * transport_put_cmd - release a reference to a command
+ * @cmd: command to release
*
- * This routine unconditionally frees a command, and reference counting
- * or list removal must be done in the caller.
+ * This routine releases our reference to the command and frees it if possible.
*/
-static int transport_release_cmd(struct se_cmd *cmd)
+static int transport_put_cmd(struct se_cmd *cmd)
{
BUG_ON(!cmd->se_tfo);
-
- if (cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)
- core_tmr_release_req(cmd->se_tmr_req);
- if (cmd->t_task_cdb != cmd->__t_task_cdb)
- kfree(cmd->t_task_cdb);
/*
* If this cmd has been setup with target_get_sess_cmd(), drop
* the kref and call ->release_cmd() in kref callback.
@@ -2243,18 +2207,6 @@ static int transport_release_cmd(struct se_cmd *cmd)
return target_put_sess_cmd(cmd);
}
-/**
- * transport_put_cmd - release a reference to a command
- * @cmd: command to release
- *
- * This routine releases our reference to the command and frees it if possible.
- */
-static int transport_put_cmd(struct se_cmd *cmd)
-{
- transport_free_pages(cmd);
- return transport_release_cmd(cmd);
-}
-
void *transport_kmap_data_sg(struct se_cmd *cmd)
{
struct scatterlist *sg = cmd->t_data_sg;
@@ -2450,34 +2402,58 @@ static void transport_write_pending_qf(struct se_cmd *cmd)
}
}
-int transport_generic_free_cmd(struct se_cmd *cmd, int wait_for_tasks)
+static bool
+__transport_wait_for_tasks(struct se_cmd *, bool, bool *, bool *,
+ unsigned long *flags);
+
+static void target_wait_free_cmd(struct se_cmd *cmd, bool *aborted, bool *tas)
{
unsigned long flags;
+
+ spin_lock_irqsave(&cmd->t_state_lock, flags);
+ __transport_wait_for_tasks(cmd, true, aborted, tas, &flags);
+ spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+}
+
+int transport_generic_free_cmd(struct se_cmd *cmd, int wait_for_tasks)
+{
int ret = 0;
+ bool aborted = false, tas = false;
if (!(cmd->se_cmd_flags & SCF_SE_LUN_CMD)) {
if (wait_for_tasks && (cmd->se_cmd_flags & SCF_SCSI_TMR_CDB))
- transport_wait_for_tasks(cmd);
+ target_wait_free_cmd(cmd, &aborted, &tas);
- ret = transport_release_cmd(cmd);
+ if (!aborted || tas)
+ ret = transport_put_cmd(cmd);
} else {
if (wait_for_tasks)
- transport_wait_for_tasks(cmd);
+ target_wait_free_cmd(cmd, &aborted, &tas);
/*
* Handle WRITE failure case where transport_generic_new_cmd()
* has already added se_cmd to state_list, but fabric has
* failed command before I/O submission.
*/
- if (cmd->state_active) {
- spin_lock_irqsave(&cmd->t_state_lock, flags);
+ if (cmd->state_active)
target_remove_from_state_list(cmd);
- spin_unlock_irqrestore(&cmd->t_state_lock, flags);
- }
if (cmd->se_lun)
transport_lun_remove_cmd(cmd);
- ret = transport_put_cmd(cmd);
+ if (!aborted || tas)
+ ret = transport_put_cmd(cmd);
+ }
+ /*
+ * If the task has been internally aborted due to TMR ABORT_TASK
+ * or LUN_RESET, target_core_tmr.c is responsible for performing
+ * the remaining calls to target_put_sess_cmd(), and not the
+ * callers of this function.
+ */
+ if (aborted) {
+ pr_debug("Detected CMD_T_ABORTED for ITT: %llu\n", cmd->tag);
+ wait_for_completion(&cmd->cmd_wait_comp);
+ cmd->se_tfo->release_cmd(cmd);
+ ret = 1;
}
return ret;
}
@@ -2517,26 +2493,46 @@ out:
}
EXPORT_SYMBOL(target_get_sess_cmd);
+static void target_free_cmd_mem(struct se_cmd *cmd)
+{
+ transport_free_pages(cmd);
+
+ if (cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)
+ core_tmr_release_req(cmd->se_tmr_req);
+ if (cmd->t_task_cdb != cmd->__t_task_cdb)
+ kfree(cmd->t_task_cdb);
+}
+
static void target_release_cmd_kref(struct kref *kref)
{
struct se_cmd *se_cmd = container_of(kref, struct se_cmd, cmd_kref);
struct se_session *se_sess = se_cmd->se_sess;
unsigned long flags;
+ bool fabric_stop;
spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
if (list_empty(&se_cmd->se_cmd_list)) {
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
+ target_free_cmd_mem(se_cmd);
se_cmd->se_tfo->release_cmd(se_cmd);
return;
}
- if (se_sess->sess_tearing_down && se_cmd->cmd_wait_set) {
+
+ spin_lock(&se_cmd->t_state_lock);
+ fabric_stop = (se_cmd->transport_state & CMD_T_FABRIC_STOP);
+ spin_unlock(&se_cmd->t_state_lock);
+
+ if (se_cmd->cmd_wait_set || fabric_stop) {
+ list_del_init(&se_cmd->se_cmd_list);
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
+ target_free_cmd_mem(se_cmd);
complete(&se_cmd->cmd_wait_comp);
return;
}
- list_del(&se_cmd->se_cmd_list);
+ list_del_init(&se_cmd->se_cmd_list);
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
+ target_free_cmd_mem(se_cmd);
se_cmd->se_tfo->release_cmd(se_cmd);
}
@@ -2548,6 +2544,7 @@ int target_put_sess_cmd(struct se_cmd *se_cmd)
struct se_session *se_sess = se_cmd->se_sess;
if (!se_sess) {
+ target_free_cmd_mem(se_cmd);
se_cmd->se_tfo->release_cmd(se_cmd);
return 1;
}
@@ -2564,6 +2561,7 @@ void target_sess_cmd_list_set_waiting(struct se_session *se_sess)
{
struct se_cmd *se_cmd;
unsigned long flags;
+ int rc;
spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
if (se_sess->sess_tearing_down) {
@@ -2573,8 +2571,15 @@ void target_sess_cmd_list_set_waiting(struct se_session *se_sess)
se_sess->sess_tearing_down = 1;
list_splice_init(&se_sess->sess_cmd_list, &se_sess->sess_wait_list);
- list_for_each_entry(se_cmd, &se_sess->sess_wait_list, se_cmd_list)
- se_cmd->cmd_wait_set = 1;
+ list_for_each_entry(se_cmd, &se_sess->sess_wait_list, se_cmd_list) {
+ rc = kref_get_unless_zero(&se_cmd->cmd_kref);
+ if (rc) {
+ se_cmd->cmd_wait_set = 1;
+ spin_lock(&se_cmd->t_state_lock);
+ se_cmd->transport_state |= CMD_T_FABRIC_STOP;
+ spin_unlock(&se_cmd->t_state_lock);
+ }
+ }
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
}
@@ -2587,15 +2592,25 @@ void target_wait_for_sess_cmds(struct se_session *se_sess)
{
struct se_cmd *se_cmd, *tmp_cmd;
unsigned long flags;
+ bool tas;
list_for_each_entry_safe(se_cmd, tmp_cmd,
&se_sess->sess_wait_list, se_cmd_list) {
- list_del(&se_cmd->se_cmd_list);
+ list_del_init(&se_cmd->se_cmd_list);
pr_debug("Waiting for se_cmd: %p t_state: %d, fabric state:"
" %d\n", se_cmd, se_cmd->t_state,
se_cmd->se_tfo->get_cmd_state(se_cmd));
+ spin_lock_irqsave(&se_cmd->t_state_lock, flags);
+ tas = (se_cmd->transport_state & CMD_T_TAS);
+ spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
+
+ if (!target_put_sess_cmd(se_cmd)) {
+ if (tas)
+ target_put_sess_cmd(se_cmd);
+ }
+
wait_for_completion(&se_cmd->cmd_wait_comp);
pr_debug("After cmd_wait_comp: se_cmd: %p t_state: %d"
" fabric state: %d\n", se_cmd, se_cmd->t_state,
@@ -2617,53 +2632,75 @@ void transport_clear_lun_ref(struct se_lun *lun)
wait_for_completion(&lun->lun_ref_comp);
}
-/**
- * transport_wait_for_tasks - wait for completion to occur
- * @cmd: command to wait
- *
- * Called from frontend fabric context to wait for storage engine
- * to pause and/or release frontend generated struct se_cmd.
- */
-bool transport_wait_for_tasks(struct se_cmd *cmd)
+static bool
+__transport_wait_for_tasks(struct se_cmd *cmd, bool fabric_stop,
+ bool *aborted, bool *tas, unsigned long *flags)
+ __releases(&cmd->t_state_lock)
+ __acquires(&cmd->t_state_lock)
{
- unsigned long flags;
- spin_lock_irqsave(&cmd->t_state_lock, flags);
+ assert_spin_locked(&cmd->t_state_lock);
+ WARN_ON_ONCE(!irqs_disabled());
+
+ if (fabric_stop)
+ cmd->transport_state |= CMD_T_FABRIC_STOP;
+
+ if (cmd->transport_state & CMD_T_ABORTED)
+ *aborted = true;
+
+ if (cmd->transport_state & CMD_T_TAS)
+ *tas = true;
+
if (!(cmd->se_cmd_flags & SCF_SE_LUN_CMD) &&
- !(cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)) {
- spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+ !(cmd->se_cmd_flags & SCF_SCSI_TMR_CDB))
return false;
- }
if (!(cmd->se_cmd_flags & SCF_SUPPORTED_SAM_OPCODE) &&
- !(cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)) {
- spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+ !(cmd->se_cmd_flags & SCF_SCSI_TMR_CDB))
return false;
- }
- if (!(cmd->transport_state & CMD_T_ACTIVE)) {
- spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+ if (!(cmd->transport_state & CMD_T_ACTIVE))
+ return false;
+
+ if (fabric_stop && *aborted)
return false;
- }
cmd->transport_state |= CMD_T_STOP;
- pr_debug("wait_for_tasks: Stopping %p ITT: 0x%08llx i_state: %d, t_state: %d, CMD_T_STOP\n",
- cmd, cmd->tag, cmd->se_tfo->get_cmd_state(cmd), cmd->t_state);
+ pr_debug("wait_for_tasks: Stopping %p ITT: 0x%08llx i_state: %d,"
+ " t_state: %d, CMD_T_STOP\n", cmd, cmd->tag,
+ cmd->se_tfo->get_cmd_state(cmd), cmd->t_state);
- spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+ spin_unlock_irqrestore(&cmd->t_state_lock, *flags);
wait_for_completion(&cmd->t_transport_stop_comp);
- spin_lock_irqsave(&cmd->t_state_lock, flags);
+ spin_lock_irqsave(&cmd->t_state_lock, *flags);
cmd->transport_state &= ~(CMD_T_ACTIVE | CMD_T_STOP);
- pr_debug("wait_for_tasks: Stopped wait_for_completion(&cmd->t_transport_stop_comp) for ITT: 0x%08llx\n",
- cmd->tag);
+ pr_debug("wait_for_tasks: Stopped wait_for_completion(&cmd->"
+ "t_transport_stop_comp) for ITT: 0x%08llx\n", cmd->tag);
+ return true;
+}
+
+/**
+ * transport_wait_for_tasks - wait for completion to occur
+ * @cmd: command to wait
+ *
+ * Called from frontend fabric context to wait for storage engine
+ * to pause and/or release frontend generated struct se_cmd.
+ */
+bool transport_wait_for_tasks(struct se_cmd *cmd)
+{
+ unsigned long flags;
+ bool ret, aborted = false, tas = false;
+
+ spin_lock_irqsave(&cmd->t_state_lock, flags);
+ ret = __transport_wait_for_tasks(cmd, false, &aborted, &tas, &flags);
spin_unlock_irqrestore(&cmd->t_state_lock, flags);
- return true;
+ return ret;
}
EXPORT_SYMBOL(transport_wait_for_tasks);
@@ -2845,28 +2882,49 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd,
}
EXPORT_SYMBOL(transport_send_check_condition_and_sense);
-int transport_check_aborted_status(struct se_cmd *cmd, int send_status)
+static int __transport_check_aborted_status(struct se_cmd *cmd, int send_status)
+ __releases(&cmd->t_state_lock)
+ __acquires(&cmd->t_state_lock)
{
+ assert_spin_locked(&cmd->t_state_lock);
+ WARN_ON_ONCE(!irqs_disabled());
+
if (!(cmd->transport_state & CMD_T_ABORTED))
return 0;
-
/*
* If cmd has been aborted but either no status is to be sent or it has
* already been sent, just return
*/
- if (!send_status || !(cmd->se_cmd_flags & SCF_SEND_DELAYED_TAS))
+ if (!send_status || !(cmd->se_cmd_flags & SCF_SEND_DELAYED_TAS)) {
+ if (send_status)
+ cmd->se_cmd_flags |= SCF_SEND_DELAYED_TAS;
return 1;
+ }
- pr_debug("Sending delayed SAM_STAT_TASK_ABORTED status for CDB: 0x%02x ITT: 0x%08llx\n",
- cmd->t_task_cdb[0], cmd->tag);
+ pr_debug("Sending delayed SAM_STAT_TASK_ABORTED status for CDB:"
+ " 0x%02x ITT: 0x%08llx\n", cmd->t_task_cdb[0], cmd->tag);
cmd->se_cmd_flags &= ~SCF_SEND_DELAYED_TAS;
cmd->scsi_status = SAM_STAT_TASK_ABORTED;
trace_target_cmd_complete(cmd);
+
+ spin_unlock_irq(&cmd->t_state_lock);
cmd->se_tfo->queue_status(cmd);
+ spin_lock_irq(&cmd->t_state_lock);
return 1;
}
+
+int transport_check_aborted_status(struct se_cmd *cmd, int send_status)
+{
+ int ret;
+
+ spin_lock_irq(&cmd->t_state_lock);
+ ret = __transport_check_aborted_status(cmd, send_status);
+ spin_unlock_irq(&cmd->t_state_lock);
+
+ return ret;
+}
EXPORT_SYMBOL(transport_check_aborted_status);
void transport_send_task_abort(struct se_cmd *cmd)
@@ -2888,11 +2946,17 @@ void transport_send_task_abort(struct se_cmd *cmd)
*/
if (cmd->data_direction == DMA_TO_DEVICE) {
if (cmd->se_tfo->write_pending_status(cmd) != 0) {
- cmd->transport_state |= CMD_T_ABORTED;
+ spin_lock_irqsave(&cmd->t_state_lock, flags);
+ if (cmd->se_cmd_flags & SCF_SEND_DELAYED_TAS) {
+ spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+ goto send_abort;
+ }
cmd->se_cmd_flags |= SCF_SEND_DELAYED_TAS;
+ spin_unlock_irqrestore(&cmd->t_state_lock, flags);
return;
}
}
+send_abort:
cmd->scsi_status = SAM_STAT_TASK_ABORTED;
transport_lun_remove_cmd(cmd);
@@ -2909,8 +2973,17 @@ static void target_tmr_work(struct work_struct *work)
struct se_cmd *cmd = container_of(work, struct se_cmd, work);
struct se_device *dev = cmd->se_dev;
struct se_tmr_req *tmr = cmd->se_tmr_req;
+ unsigned long flags;
int ret;
+ spin_lock_irqsave(&cmd->t_state_lock, flags);
+ if (cmd->transport_state & CMD_T_ABORTED) {
+ tmr->response = TMR_FUNCTION_REJECTED;
+ spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+ goto check_stop;
+ }
+ spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+
switch (tmr->function) {
case TMR_ABORT_TASK:
core_tmr_abort_task(dev, tmr, cmd->se_sess);
@@ -2943,9 +3016,17 @@ static void target_tmr_work(struct work_struct *work)
break;
}
+ spin_lock_irqsave(&cmd->t_state_lock, flags);
+ if (cmd->transport_state & CMD_T_ABORTED) {
+ spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+ goto check_stop;
+ }
cmd->t_state = TRANSPORT_ISTATE_PROCESSING;
+ spin_unlock_irqrestore(&cmd->t_state_lock, flags);
+
cmd->se_tfo->queue_tm_rsp(cmd);
+check_stop:
transport_cmd_check_stop_to_fabric(cmd);
}
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