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-rw-r--r--drivers/target/iscsi/iscsi_target.c12
-rw-r--r--drivers/target/iscsi/iscsi_target_erl2.c12
-rw-r--r--drivers/target/iscsi/iscsi_target_util.c50
-rw-r--r--drivers/target/iscsi/iscsi_target_util.h2
4 files changed, 50 insertions, 26 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 262ef1f23b38..d7705e5824fb 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -651,7 +651,7 @@ static int iscsit_add_reject(
cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL);
if (!cmd->buf_ptr) {
pr_err("Unable to allocate memory for cmd->buf_ptr\n");
- iscsit_release_cmd(cmd);
+ iscsit_free_cmd(cmd, false);
return -1;
}
@@ -697,7 +697,7 @@ int iscsit_add_reject_from_cmd(
cmd->buf_ptr = kmemdup(buf, ISCSI_HDR_LEN, GFP_KERNEL);
if (!cmd->buf_ptr) {
pr_err("Unable to allocate memory for cmd->buf_ptr\n");
- iscsit_release_cmd(cmd);
+ iscsit_free_cmd(cmd, false);
return -1;
}
@@ -1743,7 +1743,7 @@ int iscsit_handle_nop_out(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
return 0;
out:
if (cmd)
- iscsit_release_cmd(cmd);
+ iscsit_free_cmd(cmd, false);
ping_out:
kfree(ping_data);
return ret;
@@ -2251,7 +2251,7 @@ iscsit_handle_logout_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
if (conn->conn_state != TARG_CONN_STATE_LOGGED_IN) {
pr_err("Received logout request on connection that"
" is not in logged in state, ignoring request.\n");
- iscsit_release_cmd(cmd);
+ iscsit_free_cmd(cmd, false);
return 0;
}
@@ -3665,7 +3665,7 @@ iscsit_immediate_queue(struct iscsi_conn *conn, struct iscsi_cmd *cmd, int state
list_del(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);
- iscsit_free_cmd(cmd);
+ iscsit_free_cmd(cmd, false);
break;
case ISTATE_SEND_NOPIN_WANT_RESPONSE:
iscsit_mod_nopin_response_timer(conn);
@@ -4122,7 +4122,7 @@ static void iscsit_release_commands_from_conn(struct iscsi_conn *conn)
iscsit_increment_maxcmdsn(cmd, sess);
- iscsit_free_cmd(cmd);
+ iscsit_free_cmd(cmd, true);
spin_lock_bh(&conn->cmd_lock);
}
diff --git a/drivers/target/iscsi/iscsi_target_erl2.c b/drivers/target/iscsi/iscsi_target_erl2.c
index ba6091bf93fc..45a5afd5ea13 100644
--- a/drivers/target/iscsi/iscsi_target_erl2.c
+++ b/drivers/target/iscsi/iscsi_target_erl2.c
@@ -143,7 +143,7 @@ void iscsit_free_connection_recovery_entires(struct iscsi_session *sess)
list_del(&cmd->i_conn_node);
cmd->conn = NULL;
spin_unlock(&cr->conn_recovery_cmd_lock);
- iscsit_free_cmd(cmd);
+ iscsit_free_cmd(cmd, true);
spin_lock(&cr->conn_recovery_cmd_lock);
}
spin_unlock(&cr->conn_recovery_cmd_lock);
@@ -165,7 +165,7 @@ void iscsit_free_connection_recovery_entires(struct iscsi_session *sess)
list_del(&cmd->i_conn_node);
cmd->conn = NULL;
spin_unlock(&cr->conn_recovery_cmd_lock);
- iscsit_free_cmd(cmd);
+ iscsit_free_cmd(cmd, true);
spin_lock(&cr->conn_recovery_cmd_lock);
}
spin_unlock(&cr->conn_recovery_cmd_lock);
@@ -248,7 +248,7 @@ void iscsit_discard_cr_cmds_by_expstatsn(
iscsit_remove_cmd_from_connection_recovery(cmd, sess);
spin_unlock(&cr->conn_recovery_cmd_lock);
- iscsit_free_cmd(cmd);
+ iscsit_free_cmd(cmd, true);
spin_lock(&cr->conn_recovery_cmd_lock);
}
spin_unlock(&cr->conn_recovery_cmd_lock);
@@ -302,7 +302,7 @@ int iscsit_discard_unacknowledged_ooo_cmdsns_for_conn(struct iscsi_conn *conn)
list_del(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);
- iscsit_free_cmd(cmd);
+ iscsit_free_cmd(cmd, true);
spin_lock_bh(&conn->cmd_lock);
}
spin_unlock_bh(&conn->cmd_lock);
@@ -355,7 +355,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn)
list_del(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);
- iscsit_free_cmd(cmd);
+ iscsit_free_cmd(cmd, true);
spin_lock_bh(&conn->cmd_lock);
continue;
}
@@ -375,7 +375,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn)
iscsi_sna_gte(cmd->cmd_sn, conn->sess->exp_cmd_sn)) {
list_del(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);
- iscsit_free_cmd(cmd);
+ iscsit_free_cmd(cmd, true);
spin_lock_bh(&conn->cmd_lock);
continue;
}
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index 2cc6c9a3ffb8..08a3bacef0c5 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -676,40 +676,56 @@ void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *conn)
void iscsit_release_cmd(struct iscsi_cmd *cmd)
{
- struct iscsi_conn *conn = cmd->conn;
-
- iscsit_free_r2ts_from_list(cmd);
- iscsit_free_all_datain_reqs(cmd);
-
kfree(cmd->buf_ptr);
kfree(cmd->pdu_list);
kfree(cmd->seq_list);
kfree(cmd->tmr_req);
kfree(cmd->iov_data);
- if (conn) {
+ kmem_cache_free(lio_cmd_cache, cmd);
+}
+
+static void __iscsit_free_cmd(struct iscsi_cmd *cmd, bool scsi_cmd,
+ bool check_queues)
+{
+ struct iscsi_conn *conn = cmd->conn;
+
+ if (scsi_cmd) {
+ if (cmd->data_direction == DMA_TO_DEVICE) {
+ iscsit_stop_dataout_timer(cmd);
+ iscsit_free_r2ts_from_list(cmd);
+ }
+ if (cmd->data_direction == DMA_FROM_DEVICE)
+ iscsit_free_all_datain_reqs(cmd);
+ }
+
+ if (conn && check_queues) {
iscsit_remove_cmd_from_immediate_queue(cmd, conn);
iscsit_remove_cmd_from_response_queue(cmd, conn);
}
-
- kmem_cache_free(lio_cmd_cache, cmd);
}
-void iscsit_free_cmd(struct iscsi_cmd *cmd)
+void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown)
{
+ struct se_cmd *se_cmd = NULL;
+ int rc;
/*
* Determine if a struct se_cmd is associated with
* this struct iscsi_cmd.
*/
switch (cmd->iscsi_opcode) {
case ISCSI_OP_SCSI_CMD:
- if (cmd->data_direction == DMA_TO_DEVICE)
- iscsit_stop_dataout_timer(cmd);
+ se_cmd = &cmd->se_cmd;
+ __iscsit_free_cmd(cmd, true, shutdown);
/*
* Fallthrough
*/
case ISCSI_OP_SCSI_TMFUNC:
- transport_generic_free_cmd(&cmd->se_cmd, 1);
+ rc = transport_generic_free_cmd(&cmd->se_cmd, 1);
+ if (!rc && shutdown && se_cmd && se_cmd->se_sess) {
+ __iscsit_free_cmd(cmd, true, shutdown);
+ target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+ }
break;
case ISCSI_OP_REJECT:
/*
@@ -718,11 +734,19 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd)
* associated cmd->se_cmd needs to be released.
*/
if (cmd->se_cmd.se_tfo != NULL) {
- transport_generic_free_cmd(&cmd->se_cmd, 1);
+ se_cmd = &cmd->se_cmd;
+ __iscsit_free_cmd(cmd, true, shutdown);
+
+ rc = transport_generic_free_cmd(&cmd->se_cmd, 1);
+ if (!rc && shutdown && se_cmd->se_sess) {
+ __iscsit_free_cmd(cmd, true, shutdown);
+ target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+ }
break;
}
/* Fall-through */
default:
+ __iscsit_free_cmd(cmd, false, shutdown);
cmd->release_cmd(cmd);
break;
}
diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h
index 4f8e01a47081..a4422659d049 100644
--- a/drivers/target/iscsi/iscsi_target_util.h
+++ b/drivers/target/iscsi/iscsi_target_util.h
@@ -29,7 +29,7 @@ extern void iscsit_remove_cmd_from_tx_queues(struct iscsi_cmd *, struct iscsi_co
extern bool iscsit_conn_all_queues_empty(struct iscsi_conn *);
extern void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *);
extern void iscsit_release_cmd(struct iscsi_cmd *);
-extern void iscsit_free_cmd(struct iscsi_cmd *);
+extern void iscsit_free_cmd(struct iscsi_cmd *, bool);
extern int iscsit_check_session_usage_count(struct iscsi_session *);
extern void iscsit_dec_session_usage_count(struct iscsi_session *);
extern void iscsit_inc_session_usage_count(struct iscsi_session *);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 16:46:17 +0000