From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/drivers/target/iscsi/iscsi_target_erl1.c | 114 ++++++++++++++++----------------------------------------
1 files changed, 33 insertions(+), 81 deletions(-)
diff --git a/kernel/drivers/target/iscsi/iscsi_target_erl1.c b/kernel/drivers/target/iscsi/iscsi_target_erl1.c
index 5efa42b..cd670cb 100644
--- a/kernel/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/kernel/drivers/target/iscsi/iscsi_target_erl1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*******************************************************************************
* This file contains error recovery level one used by the iSCSI Target driver.
*
@@ -5,15 +6,6 @@
*
* Author: Nicholas A. Bellinger <nab@linux-iscsi.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
******************************************************************************/
#include <linux/list.h>
@@ -48,13 +40,19 @@
u32 buf_len,
int dump_padding_digest)
{
- char *buf, pad_bytes[4];
+ char *buf;
int ret = DATAOUT_WITHIN_COMMAND_RECOVERY, rx_got;
- u32 length, padding, offset = 0, size;
+ u32 length, offset = 0, size;
struct kvec iov;
if (conn->sess->sess_ops->RDMAExtensions)
return 0;
+
+ if (dump_padding_digest) {
+ buf_len = ALIGN(buf_len, 4);
+ if (conn->conn_ops->DataDigest)
+ buf_len += ISCSI_CRC_LEN;
+ }
length = min(buf_len, OFFLOAD_BUF_SIZE);
@@ -75,41 +73,12 @@
rx_got = rx_data(conn, &iov, 1, size);
if (rx_got != size) {
ret = DATAOUT_CANNOT_RECOVER;
- goto out;
+ break;
}
offset += size;
}
- if (!dump_padding_digest)
- goto out;
-
- padding = ((-buf_len) & 3);
- if (padding != 0) {
- iov.iov_len = padding;
- iov.iov_base = pad_bytes;
-
- rx_got = rx_data(conn, &iov, 1, padding);
- if (rx_got != padding) {
- ret = DATAOUT_CANNOT_RECOVER;
- goto out;
- }
- }
-
- if (conn->conn_ops->DataDigest) {
- u32 data_crc;
-
- iov.iov_len = ISCSI_CRC_LEN;
- iov.iov_base = &data_crc;
-
- rx_got = rx_data(conn, &iov, 1, ISCSI_CRC_LEN);
- if (rx_got != ISCSI_CRC_LEN) {
- ret = DATAOUT_CANNOT_RECOVER;
- goto out;
- }
- }
-
-out:
kfree(buf);
return ret;
}
@@ -797,14 +766,14 @@
return ooo_cmdsn;
}
-/*
- * Called with sess->cmdsn_mutex held.
- */
static int iscsit_attach_ooo_cmdsn(
struct iscsi_session *sess,
struct iscsi_ooo_cmdsn *ooo_cmdsn)
{
struct iscsi_ooo_cmdsn *ooo_tail, *ooo_tmp;
+
+ lockdep_assert_held(&sess->cmdsn_mutex);
+
/*
* We attach the struct iscsi_ooo_cmdsn entry to the out of order
* list in increasing CmdSN order.
@@ -871,14 +840,13 @@
mutex_unlock(&sess->cmdsn_mutex);
}
-/*
- * Called with sess->cmdsn_mutex held.
- */
int iscsit_execute_ooo_cmdsns(struct iscsi_session *sess)
{
int ooo_count = 0;
struct iscsi_cmd *cmd = NULL;
struct iscsi_ooo_cmdsn *ooo_cmdsn, *ooo_cmdsn_tmp;
+
+ lockdep_assert_held(&sess->cmdsn_mutex);
list_for_each_entry_safe(ooo_cmdsn, ooo_cmdsn_tmp,
&sess->sess_ooo_cmdsn_list, ooo_list) {
@@ -943,20 +911,8 @@
return 0;
}
spin_unlock_bh(&cmd->istate_lock);
- /*
- * Determine if delayed TASK_ABORTED status for WRITEs
- * should be sent now if no unsolicited data out
- * payloads are expected, or if the delayed status
- * should be sent after unsolicited data out with
- * ISCSI_FLAG_CMD_FINAL set in iscsi_handle_data_out()
- */
- if (transport_check_aborted_status(se_cmd,
- (cmd->unsolicited_data == 0)) != 0)
+ if (cmd->se_cmd.transport_state & CMD_T_ABORTED)
return 0;
- /*
- * Otherwise send CHECK_CONDITION and sense for
- * exception
- */
return transport_send_check_condition_and_sense(se_cmd,
cmd->sense_reason, 0);
}
@@ -974,13 +930,7 @@
if (!(cmd->cmd_flags &
ICF_NON_IMMEDIATE_UNSOLICITED_DATA)) {
- /*
- * Send the delayed TASK_ABORTED status for
- * WRITEs if no more unsolicitied data is
- * expected.
- */
- if (transport_check_aborted_status(se_cmd, 1)
- != 0)
+ if (cmd->se_cmd.transport_state & CMD_T_ABORTED)
return 0;
iscsit_set_dataout_sequence_values(cmd);
@@ -995,14 +945,10 @@
if ((cmd->data_direction == DMA_TO_DEVICE) &&
!(cmd->cmd_flags & ICF_NON_IMMEDIATE_UNSOLICITED_DATA)) {
- /*
- * Send the delayed TASK_ABORTED status for WRITEs if
- * no more nsolicitied data is expected.
- */
- if (transport_check_aborted_status(se_cmd, 1) != 0)
+ if (cmd->se_cmd.transport_state & CMD_T_ABORTED)
return 0;
- iscsit_set_unsoliticed_dataout(cmd);
+ iscsit_set_unsolicited_dataout(cmd);
}
return transport_handle_cdb_direct(&cmd->se_cmd);
@@ -1169,15 +1115,21 @@
na = iscsit_tpg_get_node_attrib(sess);
if (!sess->sess_ops->ErrorRecoveryLevel) {
- pr_debug("Unable to recover from DataOut timeout while"
- " in ERL=0.\n");
+ pr_err("Unable to recover from DataOut timeout while"
+ " in ERL=0, closing iSCSI connection for I_T Nexus"
+ " %s,i,0x%6phN,%s,t,0x%02x\n",
+ sess->sess_ops->InitiatorName, sess->isid,
+ sess->tpg->tpg_tiqn->tiqn, (u32)sess->tpg->tpgt);
goto failure;
}
if (++cmd->dataout_timeout_retries == na->dataout_timeout_retries) {
- pr_debug("Command ITT: 0x%08x exceeded max retries"
- " for DataOUT timeout %u, closing iSCSI connection.\n",
- cmd->init_task_tag, na->dataout_timeout_retries);
+ pr_err("Command ITT: 0x%08x exceeded max retries"
+ " for DataOUT timeout %u, closing iSCSI connection for"
+ " I_T Nexus %s,i,0x%6phN,%s,t,0x%02x\n",
+ cmd->init_task_tag, na->dataout_timeout_retries,
+ sess->sess_ops->InitiatorName, sess->isid,
+ sess->tpg->tpg_tiqn->tiqn, (u32)sess->tpg->tpgt);
goto failure;
}
@@ -1224,6 +1176,7 @@
failure:
spin_unlock_bh(&cmd->dataout_timeout_lock);
+ iscsit_fill_cxn_timeout_err_stats(sess);
iscsit_cause_connection_reinstatement(conn, 0);
iscsit_dec_conn_usage_count(conn);
}
@@ -1247,9 +1200,6 @@
spin_unlock_bh(&cmd->dataout_timeout_lock);
}
-/*
- * Called with cmd->dataout_timeout_lock held.
- */
void iscsit_start_dataout_timer(
struct iscsi_cmd *cmd,
struct iscsi_conn *conn)
@@ -1257,6 +1207,8 @@
struct iscsi_session *sess = conn->sess;
struct iscsi_node_attrib *na = iscsit_tpg_get_node_attrib(sess);
+ lockdep_assert_held(&cmd->dataout_timeout_lock);
+
if (cmd->dataout_timer_flags & ISCSI_TF_RUNNING)
return;
--
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