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Commit 29cd195e authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
  [SCSI] fix check of PQ and PDT bits for WLUNs
  [SCSI] make scsi_check_sense HARDWARE_ERROR return ADD_TO_MLQUEUE on retry
  [SCSI] scsi_dh: make check_sense return ADD_TO_MLQUEUE
  [SCSI] zfcp: Remove duplicated unlikely() macros.
  [SCSI] zfcp: channel cannot be detached due to refcount imbalance
  [SCSI] zfcp: Fix reference counter for remote ports
  [SCSI] zfcp: Simplify ccw notify handler
  [SCSI] zfcp: Correctly query end flag in gpn_ft response
  [SCSI] zfcp: Fix request queue locking
  [SCSI] sd: select CRC_T10DIF only when necessary
parents c529b7e2 01b291bd

drivers/s390/scsi/zfcp_ccw.c

+1 −5
Original line number Diff line number Diff line
@@ -152,10 +152,8 @@ static int zfcp_ccw_set_offline(struct ccw_device *ccw_device) 
 */

static int zfcp_ccw_notify(struct ccw_device *ccw_device, int event)

{

	struct zfcp_adapter *adapter;

	struct zfcp_adapter *adapter = dev_get_drvdata(&ccw_device->dev);



	down(&zfcp_data.config_sema);

	adapter = dev_get_drvdata(&ccw_device->dev);

	switch (event) {

	case CIO_GONE:

		dev_warn(&adapter->ccw_device->dev, "device gone\n");
@@ -174,8 +172,6 @@ static int zfcp_ccw_notify(struct ccw_device *ccw_device, int event) 
					89, NULL);

		break;

	}

	zfcp_erp_wait(adapter);

	up(&zfcp_data.config_sema);

	return 1;

}

drivers/s390/scsi/zfcp_fc.c

+12 −21
Original line number Diff line number Diff line
@@ -39,18 +39,6 @@ struct zfcp_gpn_ft { 
	struct scatterlist sg_resp[ZFCP_GPN_FT_BUFFERS];

};



static struct zfcp_port *zfcp_get_port_by_did(struct zfcp_adapter *adapter,

					      u32 d_id)

{

	struct zfcp_port *port;



	list_for_each_entry(port, &adapter->port_list_head, list)

		if ((port->d_id == d_id) &&

		    !atomic_test_mask(ZFCP_STATUS_COMMON_REMOVE, &port->status))

			return port;

	return NULL;

}



static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range,

				   struct fcp_rscn_element *elem)

{
@@ -341,11 +329,12 @@ void zfcp_test_link(struct zfcp_port *port) 


	zfcp_port_get(port);

	retval = zfcp_fc_adisc(port);

	if (retval == 0 || retval == -EBUSY)

	if (retval == 0)

		return;



	/* send of ADISC was not possible */

	zfcp_port_put(port);

	if (retval != -EBUSY)

		zfcp_erp_port_forced_reopen(port, 0, 65, NULL);

}
@@ -363,7 +352,6 @@ static int zfcp_scan_get_nameserver(struct zfcp_adapter *adapter) 
		if (ret)

			return ret;

		zfcp_erp_wait(adapter);

		zfcp_port_put(adapter->nameserver_port);

	}

	return !atomic_test_mask(ZFCP_STATUS_COMMON_UNBLOCKED,

				  &adapter->nameserver_port->status);
@@ -475,7 +463,7 @@ static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft) 
	struct zfcp_adapter *adapter = ct->port->adapter;

	struct zfcp_port *port, *tmp;

	u32 d_id;

	int ret = 0, x;

	int ret = 0, x, last = 0;



	if (ct->status)

		return -EIO;
@@ -492,19 +480,24 @@ static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft) 
	down(&zfcp_data.config_sema);



	/* first entry is the header */

	for (x = 1; x < ZFCP_GPN_FT_MAX_ENTRIES; x++) {

	for (x = 1; x < ZFCP_GPN_FT_MAX_ENTRIES && !last; x++) {

		if (x % (ZFCP_GPN_FT_ENTRIES + 1))

			acc++;

		else

			acc = sg_virt(++sg);



		last = acc->control & 0x80;

		d_id = acc->port_id[0] << 16 | acc->port_id[1] << 8 |

		       acc->port_id[2];



		/* skip the adapter's port and known remote ports */

		if (acc->wwpn == fc_host_port_name(adapter->scsi_host) ||

		     zfcp_get_port_by_did(adapter, d_id))

		if (acc->wwpn == fc_host_port_name(adapter->scsi_host))

			continue;

		port = zfcp_get_port_by_wwpn(adapter, acc->wwpn);

		if (port) {

			zfcp_port_get(port);

			continue;

		}



		port = zfcp_port_enqueue(adapter, acc->wwpn,

					 ZFCP_STATUS_PORT_DID_DID |
@@ -513,8 +506,6 @@ static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft) 
			ret = PTR_ERR(port);

		else

			zfcp_erp_port_reopen(port, 0, 149, NULL);

		if (acc->control & 0x80) /* last entry */

			break;

	}



	zfcp_erp_wait(adapter);

drivers/s390/scsi/zfcp_fsf.c

+44 −44
Original line number Diff line number Diff line
@@ -710,10 +710,10 @@ static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req) 


static int zfcp_fsf_sbal_check(struct zfcp_qdio_queue *queue)

{

	spin_lock(&queue->lock);

	spin_lock_bh(&queue->lock);

	if (atomic_read(&queue->count))

		return 1;

	spin_unlock(&queue->lock);

	spin_unlock_bh(&queue->lock);

	return 0;

}
@@ -722,13 +722,13 @@ static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter) 
	long ret;

	struct zfcp_qdio_queue *req_q = &adapter->req_q;



	spin_unlock(&req_q->lock);

	spin_unlock_bh(&req_q->lock);

	ret = wait_event_interruptible_timeout(adapter->request_wq,

					zfcp_fsf_sbal_check(req_q), 5 * HZ);

	if (ret > 0)

		return 0;



	spin_lock(&req_q->lock);

	spin_lock_bh(&req_q->lock);

	return -EIO;

}
@@ -870,14 +870,14 @@ int zfcp_fsf_status_read(struct zfcp_adapter *adapter) 
	volatile struct qdio_buffer_element *sbale;

	int retval = -EIO;



	spin_lock(&adapter->req_q.lock);

	spin_lock_bh(&adapter->req_q.lock);

	if (zfcp_fsf_req_sbal_get(adapter))

		goto out;



	req = zfcp_fsf_req_create(adapter, FSF_QTCB_UNSOLICITED_STATUS,

				  ZFCP_REQ_NO_QTCB,

				  adapter->pool.fsf_req_status_read);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		retval = PTR_ERR(req);

		goto out;

	}
@@ -910,7 +910,7 @@ int zfcp_fsf_status_read(struct zfcp_adapter *adapter) 
	zfcp_fsf_req_free(req);

	zfcp_hba_dbf_event_fsf_unsol("fail", adapter, NULL);

out:

	spin_unlock(&adapter->req_q.lock);

	spin_unlock_bh(&adapter->req_q.lock);

	return retval;

}
@@ -988,7 +988,7 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id, 
		goto out;

	req = zfcp_fsf_req_create(adapter, FSF_QTCB_ABORT_FCP_CMND,

				  req_flags, adapter->pool.fsf_req_abort);

	if (unlikely(IS_ERR(req)))

	if (IS_ERR(req))

		goto out;



	if (unlikely(!(atomic_read(&unit->status) &
@@ -1106,13 +1106,13 @@ int zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool, 
	struct zfcp_fsf_req *req;

	int ret = -EIO;



	spin_lock(&adapter->req_q.lock);

	spin_lock_bh(&adapter->req_q.lock);

	if (zfcp_fsf_req_sbal_get(adapter))

		goto out;



	req = zfcp_fsf_req_create(adapter, FSF_QTCB_SEND_GENERIC,

				  ZFCP_REQ_AUTO_CLEANUP, pool);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		ret = PTR_ERR(req);

		goto out;

	}
@@ -1148,7 +1148,7 @@ int zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool, 
	if (erp_action)

		erp_action->fsf_req = NULL;

out:

	spin_unlock(&adapter->req_q.lock);

	spin_unlock_bh(&adapter->req_q.lock);

	return ret;

}
@@ -1223,7 +1223,7 @@ int zfcp_fsf_send_els(struct zfcp_send_els *els) 
		goto out;

	req = zfcp_fsf_req_create(adapter, FSF_QTCB_SEND_ELS,

				  ZFCP_REQ_AUTO_CLEANUP, NULL);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		ret = PTR_ERR(req);

		goto out;

	}
@@ -1263,14 +1263,14 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action) 
	struct zfcp_adapter *adapter = erp_action->adapter;

	int retval = -EIO;



	spin_lock(&adapter->req_q.lock);

	spin_lock_bh(&adapter->req_q.lock);

	if (!atomic_read(&adapter->req_q.count))

		goto out;

	req = zfcp_fsf_req_create(adapter,

				  FSF_QTCB_EXCHANGE_CONFIG_DATA,

				  ZFCP_REQ_AUTO_CLEANUP,

				  adapter->pool.fsf_req_erp);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		retval = PTR_ERR(req);

		goto out;

	}
@@ -1295,7 +1295,7 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action) 
		erp_action->fsf_req = NULL;

	}

out:

	spin_unlock(&adapter->req_q.lock);

	spin_unlock_bh(&adapter->req_q.lock);

	return retval;

}
@@ -1306,13 +1306,13 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter, 
	struct zfcp_fsf_req *req = NULL;

	int retval = -EIO;



	spin_lock(&adapter->req_q.lock);

	spin_lock_bh(&adapter->req_q.lock);

	if (zfcp_fsf_req_sbal_get(adapter))

		goto out;



	req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_CONFIG_DATA,

				  0, NULL);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		retval = PTR_ERR(req);

		goto out;

	}
@@ -1334,7 +1334,7 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter, 
	zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);

	retval = zfcp_fsf_req_send(req);

out:

	spin_unlock(&adapter->req_q.lock);

	spin_unlock_bh(&adapter->req_q.lock);

	if (!retval)

		wait_event(req->completion_wq,

			   req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
@@ -1359,13 +1359,13 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action) 
	if (!(adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT))

		return -EOPNOTSUPP;



	spin_lock(&adapter->req_q.lock);

	spin_lock_bh(&adapter->req_q.lock);

	if (!atomic_read(&adapter->req_q.count))

		goto out;

	req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_PORT_DATA,

				  ZFCP_REQ_AUTO_CLEANUP,

				  adapter->pool.fsf_req_erp);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		retval = PTR_ERR(req);

		goto out;

	}
@@ -1385,7 +1385,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action) 
		erp_action->fsf_req = NULL;

	}

out:

	spin_unlock(&adapter->req_q.lock);

	spin_unlock_bh(&adapter->req_q.lock);

	return retval;

}
@@ -1405,13 +1405,13 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter, 
	if (!(adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT))

		return -EOPNOTSUPP;



	spin_lock(&adapter->req_q.lock);

	spin_lock_bh(&adapter->req_q.lock);

	if (!atomic_read(&adapter->req_q.count))

		goto out;



	req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_PORT_DATA, 0,

				  NULL);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		retval = PTR_ERR(req);

		goto out;

	}
@@ -1427,7 +1427,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter, 
	zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);

	retval = zfcp_fsf_req_send(req);

out:

	spin_unlock(&adapter->req_q.lock);

	spin_unlock_bh(&adapter->req_q.lock);

	if (!retval)

		wait_event(req->completion_wq,

			   req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
@@ -1531,7 +1531,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action) 
	struct zfcp_fsf_req *req;

	int retval = -EIO;



	spin_lock(&adapter->req_q.lock);

	spin_lock_bh(&adapter->req_q.lock);

	if (zfcp_fsf_req_sbal_get(adapter))

		goto out;
@@ -1539,7 +1539,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action) 
				  FSF_QTCB_OPEN_PORT_WITH_DID,

				  ZFCP_REQ_AUTO_CLEANUP,

				  adapter->pool.fsf_req_erp);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		retval = PTR_ERR(req);

		goto out;

	}
@@ -1562,7 +1562,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action) 
		erp_action->fsf_req = NULL;

	}

out:

	spin_unlock(&adapter->req_q.lock);

	spin_unlock_bh(&adapter->req_q.lock);

	return retval;

}
@@ -1603,14 +1603,14 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action) 
	struct zfcp_fsf_req *req;

	int retval = -EIO;



	spin_lock(&adapter->req_q.lock);

	spin_lock_bh(&adapter->req_q.lock);

	if (zfcp_fsf_req_sbal_get(adapter))

		goto out;



	req = zfcp_fsf_req_create(adapter, FSF_QTCB_CLOSE_PORT,

				  ZFCP_REQ_AUTO_CLEANUP,

				  adapter->pool.fsf_req_erp);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		retval = PTR_ERR(req);

		goto out;

	}
@@ -1633,7 +1633,7 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action) 
		erp_action->fsf_req = NULL;

	}

out:

	spin_unlock(&adapter->req_q.lock);

	spin_unlock_bh(&adapter->req_q.lock);

	return retval;

}
@@ -1700,14 +1700,14 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action) 
	struct zfcp_fsf_req *req;

	int retval = -EIO;



	spin_lock(&adapter->req_q.lock);

	spin_lock_bh(&adapter->req_q.lock);

	if (zfcp_fsf_req_sbal_get(adapter))

		goto out;



	req = zfcp_fsf_req_create(adapter, FSF_QTCB_CLOSE_PHYSICAL_PORT,

				  ZFCP_REQ_AUTO_CLEANUP,

				  adapter->pool.fsf_req_erp);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		retval = PTR_ERR(req);

		goto out;

	}
@@ -1731,7 +1731,7 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action) 
		erp_action->fsf_req = NULL;

	}

out:

	spin_unlock(&adapter->req_q.lock);

	spin_unlock_bh(&adapter->req_q.lock);

	return retval;

}
@@ -1875,14 +1875,14 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action) 
	struct zfcp_fsf_req *req;

	int retval = -EIO;



	spin_lock(&adapter->req_q.lock);

	spin_lock_bh(&adapter->req_q.lock);

	if (zfcp_fsf_req_sbal_get(adapter))

		goto out;



	req = zfcp_fsf_req_create(adapter, FSF_QTCB_OPEN_LUN,

				  ZFCP_REQ_AUTO_CLEANUP,

				  adapter->pool.fsf_req_erp);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		retval = PTR_ERR(req);

		goto out;

	}
@@ -1910,7 +1910,7 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action) 
		erp_action->fsf_req = NULL;

	}

out:

	spin_unlock(&adapter->req_q.lock);

	spin_unlock_bh(&adapter->req_q.lock);

	return retval;

}
@@ -1965,13 +1965,13 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action) 
	struct zfcp_fsf_req *req;

	int retval = -EIO;



	spin_lock(&adapter->req_q.lock);

	spin_lock_bh(&adapter->req_q.lock);

	if (zfcp_fsf_req_sbal_get(adapter))

		goto out;

	req = zfcp_fsf_req_create(adapter, FSF_QTCB_CLOSE_LUN,

				  ZFCP_REQ_AUTO_CLEANUP,

				  adapter->pool.fsf_req_erp);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		retval = PTR_ERR(req);

		goto out;

	}
@@ -1995,7 +1995,7 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action) 
		erp_action->fsf_req = NULL;

	}

out:

	spin_unlock(&adapter->req_q.lock);

	spin_unlock_bh(&adapter->req_q.lock);

	return retval;

}
@@ -2228,7 +2228,7 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter, 
		goto out;

	req = zfcp_fsf_req_create(adapter, FSF_QTCB_FCP_CMND, req_flags,

				  adapter->pool.fsf_req_scsi);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		retval = PTR_ERR(req);

		goto out;

	}
@@ -2351,7 +2351,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_adapter *adapter, 
		goto out;

	req = zfcp_fsf_req_create(adapter, FSF_QTCB_FCP_CMND, req_flags,

				  adapter->pool.fsf_req_scsi);

	if (unlikely(IS_ERR(req)))

	if (IS_ERR(req))

		goto out;



	req->status |= ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT;
@@ -2417,12 +2417,12 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter, 
		return ERR_PTR(-EINVAL);

	}



	spin_lock(&adapter->req_q.lock);

	spin_lock_bh(&adapter->req_q.lock);

	if (zfcp_fsf_req_sbal_get(adapter))

		goto out;



	req = zfcp_fsf_req_create(adapter, fsf_cfdc->command, 0, NULL);

	if (unlikely(IS_ERR(req))) {

	if (IS_ERR(req)) {

		retval = -EPERM;

		goto out;

	}
@@ -2447,7 +2447,7 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter, 
	zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);

	retval = zfcp_fsf_req_send(req);

out:

	spin_unlock(&adapter->req_q.lock);

	spin_unlock_bh(&adapter->req_q.lock);



	if (!retval) {

		wait_event(req->completion_wq,

drivers/s390/scsi/zfcp_qdio.c

+2 −2
Original line number Diff line number Diff line
@@ -423,9 +423,9 @@ void zfcp_qdio_close(struct zfcp_adapter *adapter) 


	/* clear QDIOUP flag, thus do_QDIO is not called during qdio_shutdown */

	req_q = &adapter->req_q;

	spin_lock(&req_q->lock);

	spin_lock_bh(&req_q->lock);

	atomic_clear_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &adapter->status);

	spin_unlock(&req_q->lock);

	spin_unlock_bh(&req_q->lock);



	qdio_shutdown(adapter->ccw_device, QDIO_FLAG_CLEANUP_USING_CLEAR);

drivers/scsi/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -63,7 +63,7 @@ comment "SCSI support type (disk, tape, CD-ROM)" 
config BLK_DEV_SD

	tristate "SCSI disk support"

	depends on SCSI

	select CRC_T10DIF

	select CRC_T10DIF if BLK_DEV_INTEGRITY

	---help---

	  If you want to use SCSI hard disks, Fibre Channel disks,

	  Serial ATA (SATA) or Parallel ATA (PATA) hard disks,