From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/drivers/target/target_core_transport.c | 59 +++++++++++++++++++++++++++++------------------------------
1 files changed, 29 insertions(+), 30 deletions(-)
diff --git a/kernel/drivers/target/target_core_transport.c b/kernel/drivers/target/target_core_transport.c
index bca3a32..2e97937 100644
--- a/kernel/drivers/target/target_core_transport.c
+++ b/kernel/drivers/target/target_core_transport.c
@@ -650,12 +650,12 @@
if (!dev)
return;
- spin_lock_irqsave(&dev->execute_task_lock, flags);
+ spin_lock_irqsave(&dev->queues[cmd->cpuid].lock, flags);
if (cmd->state_active) {
list_del(&cmd->state_list);
cmd->state_active = false;
}
- spin_unlock_irqrestore(&dev->execute_task_lock, flags);
+ spin_unlock_irqrestore(&dev->queues[cmd->cpuid].lock, flags);
}
/*
@@ -866,10 +866,7 @@
INIT_WORK(&cmd->work, success ? target_complete_ok_work :
target_complete_failure_work);
- 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);
+ queue_work_on(cmd->cpuid, target_completion_wq, &cmd->work);
}
EXPORT_SYMBOL(target_complete_cmd);
@@ -904,12 +901,13 @@
struct se_device *dev = cmd->se_dev;
unsigned long flags;
- spin_lock_irqsave(&dev->execute_task_lock, flags);
+ spin_lock_irqsave(&dev->queues[cmd->cpuid].lock, flags);
if (!cmd->state_active) {
- list_add_tail(&cmd->state_list, &dev->state_list);
+ list_add_tail(&cmd->state_list,
+ &dev->queues[cmd->cpuid].state_list);
cmd->state_active = true;
}
- spin_unlock_irqrestore(&dev->execute_task_lock, flags);
+ spin_unlock_irqrestore(&dev->queues[cmd->cpuid].lock, flags);
}
/*
@@ -1397,6 +1395,9 @@
cmd->sense_buffer = sense_buffer;
cmd->orig_fe_lun = unpacked_lun;
+ if (!(cmd->se_cmd_flags & SCF_USE_CPUID))
+ cmd->cpuid = raw_smp_processor_id();
+
cmd->state_active = false;
}
EXPORT_SYMBOL(transport_init_se_cmd);
@@ -1614,6 +1615,9 @@
BUG_ON(!se_tpg);
BUG_ON(se_cmd->se_tfo || se_cmd->se_sess);
BUG_ON(in_interrupt());
+
+ if (flags & TARGET_SCF_USE_CPUID)
+ se_cmd->se_cmd_flags |= SCF_USE_CPUID;
/*
* Initialize se_cmd for target operation. From this point
* exceptions are handled by sending exception status via
@@ -1622,11 +1626,6 @@
transport_init_se_cmd(se_cmd, se_tpg->se_tpg_tfo, se_sess,
data_length, data_dir, task_attr, sense,
unpacked_lun);
-
- 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;
@@ -3131,14 +3130,14 @@
}
EXPORT_SYMBOL(transport_wait_for_tasks);
-struct sense_info {
+struct sense_detail {
u8 key;
u8 asc;
u8 ascq;
- bool add_sector_info;
+ bool add_sense_info;
};
-static const struct sense_info sense_info_table[] = {
+static const struct sense_detail sense_detail_table[] = {
[TCM_NO_SENSE] = {
.key = NOT_READY
},
@@ -3238,19 +3237,19 @@
.key = ABORTED_COMMAND,
.asc = 0x10,
.ascq = 0x01, /* LOGICAL BLOCK GUARD CHECK FAILED */
- .add_sector_info = true,
+ .add_sense_info = true,
},
[TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED] = {
.key = ABORTED_COMMAND,
.asc = 0x10,
.ascq = 0x02, /* LOGICAL BLOCK APPLICATION TAG CHECK FAILED */
- .add_sector_info = true,
+ .add_sense_info = true,
},
[TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED] = {
.key = ABORTED_COMMAND,
.asc = 0x10,
.ascq = 0x03, /* LOGICAL BLOCK REFERENCE TAG CHECK FAILED */
- .add_sector_info = true,
+ .add_sense_info = true,
},
[TCM_COPY_TARGET_DEVICE_NOT_REACHABLE] = {
.key = COPY_ABORTED,
@@ -3298,42 +3297,42 @@
*/
static void translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason)
{
- const struct sense_info *si;
+ const struct sense_detail *sd;
u8 *buffer = cmd->sense_buffer;
int r = (__force int)reason;
u8 key, asc, ascq;
bool desc_format = target_sense_desc_format(cmd->se_dev);
- if (r < ARRAY_SIZE(sense_info_table) && sense_info_table[r].key)
- si = &sense_info_table[r];
+ if (r < ARRAY_SIZE(sense_detail_table) && sense_detail_table[r].key)
+ sd = &sense_detail_table[r];
else
- si = &sense_info_table[(__force int)
+ sd = &sense_detail_table[(__force int)
TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE];
- key = si->key;
+ key = sd->key;
if (reason == TCM_CHECK_CONDITION_UNIT_ATTENTION) {
if (!core_scsi3_ua_for_check_condition(cmd, &key, &asc,
&ascq)) {
cmd->scsi_status = SAM_STAT_BUSY;
return;
}
- } else if (si->asc == 0) {
+ } else if (sd->asc == 0) {
WARN_ON_ONCE(cmd->scsi_asc == 0);
asc = cmd->scsi_asc;
ascq = cmd->scsi_ascq;
} else {
- asc = si->asc;
- ascq = si->ascq;
+ asc = sd->asc;
+ ascq = sd->ascq;
}
cmd->se_cmd_flags |= SCF_EMULATED_TASK_SENSE;
cmd->scsi_status = SAM_STAT_CHECK_CONDITION;
cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER;
scsi_build_sense_buffer(desc_format, buffer, key, asc, ascq);
- if (si->add_sector_info)
+ if (sd->add_sense_info)
WARN_ON_ONCE(scsi_set_sense_information(buffer,
cmd->scsi_sense_length,
- cmd->bad_sector) < 0);
+ cmd->sense_info) < 0);
}
int
--
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