Add void (*iscsit_release_cmd)() to
struct iscsit_transport, iscsi-target
uses this callback to release transport
driver resources associated with an iSCSI cmd.
cxgbit.ko needs this callback to release DDP
resource and sg page in case of
PASSTHROUGH_SG_TO_MEM_NOALLOC.
Signed-off-by: Varun Prakash <varun@xxxxxxxxxxx>
---
drivers/target/iscsi/iscsi_target_util.c | 3 +++
include/target/iscsi/iscsi_transport.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index 428b0d9..a533017 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -725,6 +725,9 @@ void __iscsit_free_cmd(struct iscsi_cmd *cmd, bool scsi_cmd,
iscsit_remove_cmd_from_immediate_queue(cmd, conn);
iscsit_remove_cmd_from_response_queue(cmd, conn);
}
+
+ if (conn && conn->conn_transport->iscsit_release_cmd)
+ conn->conn_transport->iscsit_release_cmd(conn, cmd);
}
void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown)
diff --git a/include/target/iscsi/iscsi_transport.h b/include/target/iscsi/iscsi_transport.h
index 24b613a..3b0053e 100644
--- a/include/target/iscsi/iscsi_transport.h
+++ b/include/target/iscsi/iscsi_transport.h
@@ -24,6 +24,7 @@ struct iscsit_transport {
void (*iscsit_aborted_task)(struct iscsi_conn *, struct iscsi_cmd *);
int (*iscsit_xmit_pdu)(struct iscsi_conn *, struct iscsi_cmd *,
struct iscsi_datain_req *, const void *, u32);
+ void (*iscsit_release_cmd)(struct iscsi_conn *, struct iscsi_cmd *);
enum target_prot_op (*iscsit_get_sup_prot_ops)(struct iscsi_conn *);
};
--
2.0.2
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