Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

5 files changed, 36 insertions, 14 deletions

diff --git a/include/scsi/scsi_devinfo.h b/include/scsi/scsi_devinfo.h
index 174101b2069..d31b16d25a0 100644
--- a/include/scsi/scsi_devinfo.h
+++ b/include/scsi/scsi_devinfo.h
@@ -28,4 +28,5 @@
 #define BLIST_NO_ULD_ATTACH	0x100000 /* device is actually for RAID config */
 #define BLIST_SELECT_NO_ATN	0x200000 /* select without ATN */
 #define BLIST_RETRY_HWERROR	0x400000 /* retry HARDWARE_ERROR */
+#define BLIST_MAX_512		0x800000 /* maximum 512 sector cdb length */
 #endif
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index dc6862d09e5..de6ce541a04 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -140,7 +140,6 @@ struct scsi_host_template {
 	 *
 	 * Status: REQUIRED	(at least one of them)
 	 */
-	int (* eh_strategy_handler)(struct Scsi_Host *);
 	int (* eh_abort_handler)(struct scsi_cmnd *);
 	int (* eh_device_reset_handler)(struct scsi_cmnd *);
 	int (* eh_bus_reset_handler)(struct scsi_cmnd *);
diff --git a/include/scsi/scsi_ioctl.h b/include/scsi/scsi_ioctl.h
index d4be4d92d58..edb9525386d 100644
--- a/include/scsi/scsi_ioctl.h
+++ b/include/scsi/scsi_ioctl.h
@@ -41,8 +41,6 @@ typedef struct scsi_fctargaddress {
 } Scsi_FCTargAddress;
 
 extern int scsi_ioctl(struct scsi_device *, int, void __user *);
-extern int scsi_ioctl_send_command(struct scsi_device *,
-				   struct scsi_ioctl_command __user *);
 extern int scsi_nonblockable_ioctl(struct scsi_device *sdev, int cmd,
 				   void __user *arg, struct file *filp);
 
diff --git a/include/scsi/scsi_transport.h b/include/scsi/scsi_transport.h
index b3657f11193..cca1d4926d2 100644
--- a/include/scsi/scsi_transport.h
+++ b/include/scsi/scsi_transport.h
@@ -50,6 +50,11 @@ struct scsi_transport_template {
 	unsigned int create_work_queue : 1;
 
 	/*
+	 * Allows a transport to override the default error handler.
+	 */
+	void (* eh_strategy_handler)(struct Scsi_Host *);
+
+	/*
 	 * This is an optional routine that allows the transport to become
 	 * involved when a scsi io timer fires. The return value tells the
 	 * timer routine how to finish the io timeout handling:
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index cf3fec8be1e..5626225bd3a 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -202,12 +202,19 @@ struct fc_rport {	/* aka fc_starget_attrs */
 	/* internal data */
 	unsigned int channel;
 	u32 number;
+	u8 flags;
 	struct list_head peers;
 	struct device dev;
  	struct work_struct dev_loss_work;
  	struct work_struct scan_work;
+ 	struct work_struct stgt_delete_work;
+	struct work_struct rport_delete_work;
 } __attribute__((aligned(sizeof(unsigned long))));
 
+/* bit field values for struct fc_rport "flags" field: */
+#define FC_RPORT_DEVLOSS_PENDING	0x01
+#define FC_RPORT_SCAN_PENDING		0x02
+
 #define	dev_to_rport(d)				\
 	container_of(d, struct fc_rport, dev)
 #define transport_class_to_rport(classdev)	\
@@ -327,13 +334,16 @@ struct fc_host_attrs {
 	struct list_head rport_bindings;
 	u32 next_rport_number;
 	u32 next_target_id;
-	u8 flags;
- 	struct work_struct rport_del_work;
-};
 
-/* values for struct fc_host_attrs "flags" field: */
-#define FC_SHOST_RPORT_DEL_SCHEDULED	0x01
+	/* work queues for rport state manipulation */
+	char work_q_name[KOBJ_NAME_LEN];
+	struct workqueue_struct *work_q;
+	char devloss_work_q_name[KOBJ_NAME_LEN];
+	struct workqueue_struct *devloss_work_q;
+};
 
+#define shost_to_fc_host(x) \
+	((struct fc_host_attrs *)(x)->shost_data)
 
 #define fc_host_node_name(x) \
 	(((struct fc_host_attrs *)(x)->shost_data)->node_name)
@@ -375,10 +385,14 @@ struct fc_host_attrs {
 	(((struct fc_host_attrs *)(x)->shost_data)->next_rport_number)
 #define fc_host_next_target_id(x) \
 	(((struct fc_host_attrs *)(x)->shost_data)->next_target_id)
-#define fc_host_flags(x) \
-	(((struct fc_host_attrs *)(x)->shost_data)->flags)
-#define fc_host_rport_del_work(x) \
-	(((struct fc_host_attrs *)(x)->shost_data)->rport_del_work)
+#define fc_host_work_q_name(x) \
+	(((struct fc_host_attrs *)(x)->shost_data)->work_q_name)
+#define fc_host_work_q(x) \
+	(((struct fc_host_attrs *)(x)->shost_data)->work_q)
+#define fc_host_devloss_work_q_name(x) \
+	(((struct fc_host_attrs *)(x)->shost_data)->devloss_work_q_name)
+#define fc_host_devloss_work_q(x) \
+	(((struct fc_host_attrs *)(x)->shost_data)->devloss_work_q)
 
 
 /* The functions by which the transport class and the driver communicate */
@@ -461,10 +475,15 @@ fc_remote_port_chkready(struct fc_rport *rport)
 
 	switch (rport->port_state) {
 	case FC_PORTSTATE_ONLINE:
-		result = 0;
+		if (rport->roles & FC_RPORT_ROLE_FCP_TARGET)
+			result = 0;
+		else if (rport->flags & FC_RPORT_DEVLOSS_PENDING)
+			result = DID_IMM_RETRY << 16;
+		else
+			result = DID_NO_CONNECT << 16;
 		break;
 	case FC_PORTSTATE_BLOCKED:
-		result = DID_BUS_BUSY << 16;
+		result = DID_IMM_RETRY << 16;
 		break;
 	default:
 		result = DID_NO_CONNECT << 16;