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Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending

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Pull scsi target fixes from Nicholas Bellinger:
 "This includes an important >= v3.6 regression bugfix for active I/O
  shutdown (Roland), some TMR related failure / corner cases fixes for
  long outstanding I/O (Roland), two FCoE target mode fabric fabric role
  fixes (MDR), a fix for an incorrect sense code during LUN
  communication failure (Dr. Hannes), plus a handful of other minor
  fixes.

  There are still some outstanding zero-length control CDB regression
  fixes that need to be addressed for v3.8, that will be coming in a
  follow-up PULL request."

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  iscsi-target: Fix CmdSN comparison (use cmd->cmd_sn instead of cmd->stat_sn)
  target: Release se_cmd when LUN lookup fails for TMR
  target: Fix use-after-free in LUN RESET handling
  target: Fix missing CMD_T_ACTIVE bit regression for pending WRITEs
  tcm_fc: Do not report target role when target is not defined
  tcm_fc: Do not indicate retry capability to initiators
  target: Use TCM_NO_SENSE for initialisation
  target: Introduce TCM_NO_SENSE
  target: use correct sense code for LUN communication failure
This commit is contained in:
Linus Torvalds 2013-01-16 11:13:39 -08:00
commit ce0f706e41
6 changed files with 29 additions and 10 deletions
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2
drivers/target/iscsi/iscsi_target_erl2.c
View File

@ -372,7 +372,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn)
* made generic here.
*/
if (!(cmd->cmd_flags & ICF_OOO_CMDSN) && !cmd->immediate_cmd &&
iscsi_sna_gte(cmd->stat_sn, conn->sess->exp_cmd_sn)) {
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);

2
drivers/target/target_core_alua.c
View File

@ -212,7 +212,7 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd)
struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem, *l_tg_pt_gp_mem;
unsigned char *buf;
unsigned char *ptr;
sense_reason_t rc;
sense_reason_t rc = TCM_NO_SENSE;
u32 len = 4; /* Skip over RESERVED area in header */
int alua_access_state, primary = 0;
u16 tg_pt_id, rtpi;

2
drivers/target/target_core_pr.c
View File

@ -2053,7 +2053,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
/* Used for APTPL metadata w/ UNREGISTER */
unsigned char *pr_aptpl_buf = NULL;
unsigned char isid_buf[PR_REG_ISID_LEN], *isid_ptr = NULL;
sense_reason_t ret;
sense_reason_t ret = TCM_NO_SENSE;
int pr_holder = 0, type;
if (!se_sess || !se_lun) {

20
drivers/target/target_core_transport.c
View File

@ -541,9 +541,6 @@ static void transport_lun_remove_cmd(struct se_cmd *cmd)
void transport_cmd_finish_abort(struct se_cmd *cmd, int remove)
{
if (!(cmd->se_cmd_flags & SCF_SCSI_TMR_CDB))
transport_lun_remove_cmd(cmd);
if (transport_cmd_check_stop_to_fabric(cmd))
return;
if (remove)
@ -1396,6 +1393,8 @@ static void target_complete_tmr_failure(struct work_struct *work)
se_cmd->se_tmr_req->response = TMR_LUN_DOES_NOT_EXIST;
se_cmd->se_tfo->queue_tm_rsp(se_cmd);
transport_cmd_check_stop_to_fabric(se_cmd);
}
/**
@ -1688,6 +1687,7 @@ void target_execute_cmd(struct se_cmd *cmd)
}
cmd->t_state = TRANSPORT_PROCESSING;
cmd->transport_state |= CMD_T_ACTIVE;
spin_unlock_irq(&cmd->t_state_lock);
if (!target_handle_task_attr(cmd))
@ -2597,6 +2597,16 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd,
* SENSE KEY values from include/scsi/scsi.h
*/
switch (reason) {
case TCM_NO_SENSE:
/* CURRENT ERROR */
buffer[0] = 0x70;
buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* Not Ready */
buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY;
/* NO ADDITIONAL SENSE INFORMATION */
buffer[SPC_ASC_KEY_OFFSET] = 0;
buffer[SPC_ASCQ_KEY_OFFSET] = 0;
break;
case TCM_NON_EXISTENT_LUN:
/* CURRENT ERROR */
buffer[0] = 0x70;
@ -2743,7 +2753,7 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd,
/* ILLEGAL REQUEST */
buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* LOGICAL UNIT COMMUNICATION FAILURE */
buffer[SPC_ASC_KEY_OFFSET] = 0x80;
buffer[SPC_ASC_KEY_OFFSET] = 0x08;
break;
}
/*
@ -2804,6 +2814,8 @@ void transport_send_task_abort(struct se_cmd *cmd)
}
cmd->scsi_status = SAM_STAT_TASK_ABORTED;
transport_lun_remove_cmd(cmd);
pr_debug("Setting SAM_STAT_TASK_ABORTED status for CDB: 0x%02x,"
" ITT: 0x%08x\n", cmd->t_task_cdb[0],
cmd->se_tfo->get_task_tag(cmd));

12
drivers/target/tcm_fc/tfc_sess.c
View File

@ -355,11 +355,11 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len,
tport = ft_tport_create(rdata->local_port);
if (!tport)
return 0; /* not a target for this local port */
goto not_target; /* not a target for this local port */
acl = ft_acl_get(tport->tpg, rdata);
if (!acl)
return 0;
goto not_target; /* no target for this remote */
if (!rspp)
goto fill;
@ -396,12 +396,18 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len,
/*
* OR in our service parameters with other provider (initiator), if any.
* TBD XXX - indicate RETRY capability?
*/
fill:
fcp_parm = ntohl(spp->spp_params);
fcp_parm &= ~FCP_SPPF_RETRY;
spp->spp_params = htonl(fcp_parm | FCP_SPPF_TARG_FCN);
return FC_SPP_RESP_ACK;
not_target:
fcp_parm = ntohl(spp->spp_params);
fcp_parm &= ~FCP_SPPF_TARG_FCN;
spp->spp_params = htonl(fcp_parm);
return 0;
}
/**

1
include/target/target_core_base.h
View File

@ -174,6 +174,7 @@ typedef unsigned __bitwise__ sense_reason_t;
enum tcm_sense_reason_table {
#define R(x) (__force sense_reason_t )(x)
TCM_NO_SENSE = R(0x00),
TCM_NON_EXISTENT_LUN = R(0x01),
TCM_UNSUPPORTED_SCSI_OPCODE = R(0x02),
TCM_INCORRECT_AMOUNT_OF_DATA = R(0x03),