diff options
Diffstat (limited to 'drivers/target/target_core_transport.c')
| -rw-r--r-- | drivers/target/target_core_transport.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 4edb183..14e3249 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -328,13 +328,6 @@ void __transport_register_session( se_sess->se_tpg = se_tpg; se_sess->fabric_sess_ptr = fabric_sess_ptr; /* - * Determine if fabric allows for T10-PI feature bits to be exposed - * to initiators for device backends with !dev->dev_attrib.pi_prot_type - */ - if (tfo->tpg_check_prot_fabric_only) - se_sess->sess_prot_type = tfo->tpg_check_prot_fabric_only(se_tpg); - - /* * Used by struct se_node_acl's under ConfigFS to locate active se_session-t * * Only set for struct se_session's that will actually be moving I/O. @@ -342,6 +335,21 @@ void __transport_register_session( */ if (se_nacl) { /* + * + * Determine if fabric allows for T10-PI feature bits exposed to + * initiators for device backends with !dev->dev_attrib.pi_prot_type. + * + * If so, then always save prot_type on a per se_node_acl node + * basis and re-instate the previous sess_prot_type to avoid + * disabling PI from below any previously initiator side + * registered LUNs. + */ + if (se_nacl->saved_prot_type) + se_sess->sess_prot_type = se_nacl->saved_prot_type; + else if (tfo->tpg_check_prot_fabric_only) + se_sess->sess_prot_type = se_nacl->saved_prot_type = + tfo->tpg_check_prot_fabric_only(se_tpg); + /* * If the fabric module supports an ISID based TransportID, * save this value in binary from the fabric I_T Nexus now. */ |