Merge ../linus

Conflicts:

	drivers/cpufreq/cpufreq.c

12 files changed, 319 insertions, 40 deletions

diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 401192e56e5..ea0816d4904 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -25,6 +25,8 @@
 
 #include <linux/types.h>
 #include <linux/mutex.h>
+#include <linux/timer.h>
+#include <linux/workqueue.h>
 #include <scsi/iscsi_proto.h>
 #include <scsi/iscsi_if.h>
 
@@ -136,7 +138,6 @@ struct iscsi_conn {
 
 	/* control data */
 	int			id;		/* CID */
-	struct list_head	item;		/* maintains list of conns */
 	int			c_stage;	/* connection state */
 	/*
 	 * Preallocated buffer for pdus that have data but do not
@@ -235,10 +236,8 @@ struct iscsi_session {
 						 * - mgmtpool,		   *
 						 * - r2tpool		   */
 	int			state;		/* session state           */
-	struct list_head	item;
 	int			age;		/* counts session re-opens */
 
-	struct list_head	connections;	/* list of connections */
 	int			cmds_max;	/* size of cmds array */
 	struct iscsi_cmd_task	**cmds;		/* Original Cmds arr */
 	struct iscsi_queue	cmdpool;	/* PDU's pool */
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 9582e840166..0c775fceb67 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -35,6 +35,7 @@
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_transport_sas.h>
+#include <asm/scatterlist.h>
 
 struct block_device;
 
@@ -200,9 +201,14 @@ struct domain_device {
         void *lldd_dev;
 };
 
+struct sas_discovery_event {
+	struct work_struct work;
+	struct asd_sas_port *port;
+};
+
 struct sas_discovery {
 	spinlock_t disc_event_lock;
-	struct work_struct disc_work[DISC_NUM_EVENTS];
+	struct sas_discovery_event disc_work[DISC_NUM_EVENTS];
 	unsigned long    pending;
 	u8     fanout_sas_addr[8];
 	u8     eeds_a[8];
@@ -248,14 +254,19 @@ struct asd_sas_port {
 	void *lldd_port;	  /* not touched by the sas class code */
 };
 
+struct asd_sas_event {
+	struct work_struct work;
+	struct asd_sas_phy *phy;
+};
+
 /* The phy pretty much is controlled by the LLDD.
  * The class only reads those fields.
  */
 struct asd_sas_phy {
 /* private: */
 	/* protected by ha->event_lock */
-	struct work_struct   port_events[PORT_NUM_EVENTS];
-	struct work_struct   phy_events[PHY_NUM_EVENTS];
+	struct asd_sas_event   port_events[PORT_NUM_EVENTS];
+	struct asd_sas_event   phy_events[PHY_NUM_EVENTS];
 
 	unsigned long port_events_pending;
 	unsigned long phy_events_pending;
@@ -307,10 +318,15 @@ struct scsi_core {
 	int               queue_thread_kill;
 };
 
+struct sas_ha_event {
+	struct work_struct work;
+	struct sas_ha_struct *ha;
+};
+
 struct sas_ha_struct {
 /* private: */
 	spinlock_t       event_lock;
-	struct work_struct ha_events[HA_NUM_EVENTS];
+	struct sas_ha_event ha_events[HA_NUM_EVENTS];
 	unsigned long	 pending;
 
 	struct scsi_core core;
@@ -338,6 +354,8 @@ struct sas_ha_struct {
 	void (*notify_phy_event)(struct asd_sas_phy *, enum phy_event);
 
 	void *lldd_ha;		  /* not touched by sas class code */
+
+	struct list_head eh_done_q;
 };
 
 #define SHOST_TO_SAS_HA(_shost) (*(struct sas_ha_struct **)(_shost)->hostdata)
@@ -526,17 +544,20 @@ struct sas_task {
 
 	void   *lldd_task;	  /* for use by LLDDs */
 	void   *uldd_task;
+
+	struct work_struct abort_work;
 };
 
 
 
-#define SAS_TASK_STATE_PENDING  1
-#define SAS_TASK_STATE_DONE     2
-#define SAS_TASK_STATE_ABORTED  4
+#define SAS_TASK_STATE_PENDING      1
+#define SAS_TASK_STATE_DONE         2
+#define SAS_TASK_STATE_ABORTED      4
+#define SAS_TASK_INITIATOR_ABORTED  8
 
 static inline struct sas_task *sas_alloc_task(gfp_t flags)
 {
-	extern kmem_cache_t *sas_task_cache;
+	extern struct kmem_cache *sas_task_cache;
 	struct sas_task *task = kmem_cache_alloc(sas_task_cache, flags);
 
 	if (task) {
@@ -554,7 +575,7 @@ static inline struct sas_task *sas_alloc_task(gfp_t flags)
 static inline void sas_free_task(struct sas_task *task)
 {
 	if (task) {
-		extern kmem_cache_t *sas_task_cache;
+		extern struct kmem_cache *sas_task_cache;
 		BUG_ON(!list_empty(&task->list));
 		kmem_cache_free(sas_task_cache, task);
 	}
@@ -592,6 +613,7 @@ struct sas_domain_function_template {
 extern int sas_register_ha(struct sas_ha_struct *);
 extern int sas_unregister_ha(struct sas_ha_struct *);
 
+int sas_phy_reset(struct sas_phy *phy, int hard_reset);
 extern int sas_queuecommand(struct scsi_cmnd *,
 		     void (*scsi_done)(struct scsi_cmnd *));
 extern int sas_target_alloc(struct scsi_target *);
@@ -624,4 +646,6 @@ void sas_unregister_dev(struct domain_device *);
 
 void sas_init_dev(struct domain_device *);
 
+void sas_task_abort(struct work_struct *);
+
 #endif /* _SASLIB_H_ */
diff --git a/include/scsi/libsrp.h b/include/scsi/libsrp.h
new file mode 100644
index 00000000000..d143171896a
--- /dev/null
+++ b/include/scsi/libsrp.h
@@ -0,0 +1,77 @@
+#ifndef __LIBSRP_H__
+#define __LIBSRP_H__
+
+#include <linux/list.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_host.h>
+#include <scsi/srp.h>
+
+enum iue_flags {
+	V_DIOVER,
+	V_WRITE,
+	V_LINKED,
+	V_FLYING,
+};
+
+struct srp_buf {
+	dma_addr_t dma;
+	void *buf;
+};
+
+struct srp_queue {
+	void *pool;
+	void *items;
+	struct kfifo *queue;
+	spinlock_t lock;
+};
+
+struct srp_target {
+	struct Scsi_Host *shost;
+	struct device *dev;
+
+	spinlock_t lock;
+	struct list_head cmd_queue;
+
+	size_t srp_iu_size;
+	struct srp_queue iu_queue;
+	size_t rx_ring_size;
+	struct srp_buf **rx_ring;
+
+	void *ldata;
+};
+
+struct iu_entry {
+	struct srp_target *target;
+
+	struct list_head ilist;
+	dma_addr_t remote_token;
+	unsigned long flags;
+
+	struct srp_buf *sbuf;
+};
+
+typedef int (srp_rdma_t)(struct scsi_cmnd *, struct scatterlist *, int,
+			 struct srp_direct_buf *, int,
+			 enum dma_data_direction, unsigned int);
+extern int srp_target_alloc(struct srp_target *, struct device *, size_t, size_t);
+extern void srp_target_free(struct srp_target *);
+
+extern struct iu_entry *srp_iu_get(struct srp_target *);
+extern void srp_iu_put(struct iu_entry *);
+
+extern int srp_cmd_queue(struct Scsi_Host *, struct srp_cmd *, void *, u64);
+extern int srp_transfer_data(struct scsi_cmnd *, struct srp_cmd *,
+			     srp_rdma_t, int, int);
+
+
+static inline struct srp_target *host_to_srp_target(struct Scsi_Host *host)
+{
+	return (struct srp_target *) host->hostdata;
+}
+
+static inline int srp_cmd_direction(struct srp_cmd *cmd)
+{
+	return (cmd->buf_fmt >> 4) ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
+}
+
+#endif
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 84a6d5fe092..5c0e9791441 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -97,6 +97,7 @@ extern const unsigned char scsi_command_size[8];
 #define PERSISTENT_RESERVE_IN 0x5e
 #define PERSISTENT_RESERVE_OUT 0x5f
 #define REPORT_LUNS           0xa0
+#define MAINTENANCE_IN        0xa3
 #define MOVE_MEDIUM           0xa5
 #define EXCHANGE_MEDIUM       0xa6
 #define READ_12               0xa8
@@ -114,6 +115,8 @@ extern const unsigned char scsi_command_size[8];
 #define SERVICE_ACTION_IN     0x9e
 /* values for service action in */
 #define	SAI_READ_CAPACITY_16  0x10
+/* values for maintenance in */
+#define MI_REPORT_TARGET_PGS  0x0a
 
 /* Values for T10/04-262r7 */
 #define	ATA_16		      0x85	/* 16-byte pass-thru */
@@ -430,7 +433,7 @@ struct scsi_lun {
 #define SCSI_IOCTL_GET_PCI		0x5387
 
 /* Pull a u32 out of a SCSI message (using BE SCSI conventions) */
-static inline u32 scsi_to_u32(u8 *ptr)
+static inline __u32 scsi_to_u32(__u8 *ptr)
 {
 	return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3];
 }
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index be117f812de..d6948d0e8cd 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -8,6 +8,7 @@
 
 struct request;
 struct scatterlist;
+struct Scsi_Host;
 struct scsi_device;
 
 
@@ -72,6 +73,9 @@ struct scsi_cmnd {
 	unsigned short use_sg;	/* Number of pieces of scatter-gather */
 	unsigned short sglist_len;	/* size of malloc'd scatter-gather list */
 
+	/* offset in cmd we are at (for multi-transfer tgt cmds) */
+	unsigned offset;
+
 	unsigned underflow;	/* Return error if less than
 				   this amount is transferred */
 
@@ -119,7 +123,10 @@ struct scsi_cmnd {
 };
 
 extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
+extern struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *, gfp_t);
 extern void scsi_put_command(struct scsi_cmnd *);
+extern void __scsi_put_command(struct Scsi_Host *, struct scsi_cmnd *,
+			       struct device *);
 extern void scsi_io_completion(struct scsi_cmnd *, unsigned int);
 extern void scsi_finish_command(struct scsi_cmnd *cmd);
 extern void scsi_req_abort_cmd(struct scsi_cmnd *cmd);
@@ -128,4 +135,7 @@ extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count,
 				 size_t *offset, size_t *len);
 extern void scsi_kunmap_atomic_sg(void *virt);
 
+extern struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *, gfp_t);
+extern void scsi_free_sgtable(struct scatterlist *, int);
+
 #endif /* _SCSI_SCSI_CMND_H */
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index b401c82036b..ebf31b16dc4 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -223,13 +223,13 @@ extern struct scsi_device *__scsi_iterate_devices(struct Scsi_Host *,
 						  struct scsi_device *);
 
 /**
- * shost_for_each_device  -  iterate over all devices of a host
- * @sdev:	iterator
- * @host:	host whiches devices we want to iterate over
+ * shost_for_each_device - iterate over all devices of a host
+ * @sdev: the &struct scsi_device to use as a cursor
+ * @shost: the &struct scsi_host to iterate over
  *
- * This traverses over each devices of @shost.  The devices have
- * a reference that must be released by scsi_host_put when breaking
- * out of the loop.
+ * Iterator that returns each device attached to @shost.  This loop
+ * takes a reference on each device and releases it at the end.  If
+ * you break out of the loop, you must call scsi_device_put(sdev).
  */
 #define shost_for_each_device(sdev, shost) \
 	for ((sdev) = __scsi_iterate_devices((shost), NULL); \
@@ -237,17 +237,17 @@ extern struct scsi_device *__scsi_iterate_devices(struct Scsi_Host *,
 	     (sdev) = __scsi_iterate_devices((shost), (sdev)))
 
 /**
- * __shost_for_each_device  -  iterate over all devices of a host (UNLOCKED)
- * @sdev:	iterator
- * @host:	host whiches devices we want to iterate over
+ * __shost_for_each_device - iterate over all devices of a host (UNLOCKED)
+ * @sdev: the &struct scsi_device to use as a cursor
+ * @shost: the &struct scsi_host to iterate over
  *
- * This traverses over each devices of @shost.  It does _not_ take a
- * reference on the scsi_device, thus it the whole loop must be protected
- * by shost->host_lock.
+ * Iterator that returns each device attached to @shost.  It does _not_
+ * take a reference on the scsi_device, so the whole loop must be
+ * protected by shost->host_lock.
  *
- * Note:  The only reason why drivers would want to use this is because
- * they're need to access the device list in irq context.  Otherwise you
- * really want to use shost_for_each_device instead.
+ * Note: The only reason to use this is because you need to access the
+ * device list in interrupt context.  Otherwise you really want to use
+ * shost_for_each_device instead.
  */
 #define __shost_for_each_device(sdev, shost) \
 	list_for_each_entry((sdev), &((shost)->__devices), siblings)
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 39c6f8cc20c..7f1f411d07a 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -7,6 +7,7 @@
 #include <linux/workqueue.h>
 #include <linux/mutex.h>
 
+struct request_queue;
 struct block_device;
 struct completion;
 struct module;
@@ -124,6 +125,39 @@ struct scsi_host_template {
 			     void (*done)(struct scsi_cmnd *));
 
 	/*
+	 * The transfer functions are used to queue a scsi command to
+	 * the LLD. When the driver is finished processing the command
+	 * the done callback is invoked.
+	 *
+	 * return values: see queuecommand
+	 *
+	 * If the LLD accepts the cmd, it should set the result to an
+	 * appropriate value when completed before calling the done function.
+	 *
+	 * STATUS: REQUIRED FOR TARGET DRIVERS
+	 */
+	/* TODO: rename */
+	int (* transfer_response)(struct scsi_cmnd *,
+				  void (*done)(struct scsi_cmnd *));
+	/*
+	 * This is called to inform the LLD to transfer cmd->request_bufflen
+	 * bytes of the cmd at cmd->offset in the cmd. The cmd->use_sg
+	 * speciefies the number of scatterlist entried in the command
+	 * and cmd->request_buffer contains the scatterlist.
+	 *
+	 * If the command cannot be processed in one transfer_data call
+	 * becuase a scatterlist within the LLD's limits cannot be
+	 * created then transfer_data will be called multiple times.
+	 * It is initially called from process context, and later
+	 * calls are from the interrup context.
+	 */
+	int (* transfer_data)(struct scsi_cmnd *,
+			      void (*done)(struct scsi_cmnd *));
+
+	/* Used as callback for the completion of task management request. */
+	int (* tsk_mgmt_response)(u64 mid, int result);
+
+	/*
 	 * This is an error handling strategy routine.  You don't need to
 	 * define one of these if you don't want to - there is a default
 	 * routine that is present that should work in most cases.  For those
@@ -241,6 +275,24 @@ struct scsi_host_template {
 	void (* target_destroy)(struct scsi_target *);
 
 	/*
+	 * If a host has the ability to discover targets on its own instead
+	 * of scanning the entire bus, it can fill in this function and
+	 * call scsi_scan_host().  This function will be called periodically
+	 * until it returns 1 with the scsi_host and the elapsed time of
+	 * the scan in jiffies.
+	 *
+	 * Status: OPTIONAL
+	 */
+	int (* scan_finished)(struct Scsi_Host *, unsigned long);
+
+	/*
+	 * If the host wants to be called before the scan starts, but
+	 * after the midlayer has set up ready for the scan, it can fill
+	 * in this function.
+	 */
+	void (* scan_start)(struct Scsi_Host *);
+
+	/*
 	 * fill in this function to allow the queue depth of this host
 	 * to be changeable (on a per device basis).  returns either
 	 * the current queue depth setting (may be different from what
@@ -552,6 +604,9 @@ struct Scsi_Host {
 	/* task mgmt function in progress */
 	unsigned tmf_in_progress:1;
 
+	/* Asynchronous scan in progress */
+	unsigned async_scan:1;
+
 	/*
 	 * Optional work queue to be utilized by the transport
 	 */
@@ -568,6 +623,12 @@ struct Scsi_Host {
 	 */
 	unsigned int max_host_blocked;
 
+	/*
+	 * q used for scsi_tgt msgs, async events or any other requests that
+	 * need to be processed in userspace
+	 */
+	struct request_queue *uspace_req_q;
+
 	/* legacy crap */
 	unsigned long base;
 	unsigned long io_port;
@@ -648,11 +709,6 @@ extern const char *scsi_host_state_name(enum scsi_host_state);
 
 extern u64 scsi_calculate_bounce_limit(struct Scsi_Host *);
 
-static inline void scsi_assign_lock(struct Scsi_Host *shost, spinlock_t *lock)
-{
-	shost->host_lock = lock;
-}
-
 static inline struct device *scsi_get_device(struct Scsi_Host *shost)
 {
         return shost->shost_gendev.parent;
@@ -671,6 +727,9 @@ extern void scsi_unblock_requests(struct Scsi_Host *);
 extern void scsi_block_requests(struct Scsi_Host *);
 
 struct class_container;
+
+extern struct request_queue *__scsi_alloc_queue(struct Scsi_Host *shost,
+						void (*) (struct request_queue *));
 /*
  * These two functions are used to allocate and free a pseudo device
  * which will connect to the host adapter itself rather than any
diff --git a/include/scsi/scsi_tgt.h b/include/scsi/scsi_tgt.h
new file mode 100644
index 00000000000..4f4427937af
--- /dev/null
+++ b/include/scsi/scsi_tgt.h
@@ -0,0 +1,19 @@
+/*
+ * SCSI target definitions
+ */
+
+#include <linux/dma-mapping.h>
+
+struct Scsi_Host;
+struct scsi_cmnd;
+struct scsi_lun;
+
+extern struct Scsi_Host *scsi_tgt_cmd_to_host(struct scsi_cmnd *);
+extern int scsi_tgt_alloc_queue(struct Scsi_Host *);
+extern void scsi_tgt_free_queue(struct Scsi_Host *);
+extern int scsi_tgt_queue_command(struct scsi_cmnd *, struct scsi_lun *, u64);
+extern int scsi_tgt_tsk_mgmt_request(struct Scsi_Host *, int, u64, struct scsi_lun *,
+				     void *);
+extern struct scsi_cmnd *scsi_host_get_command(struct Scsi_Host *,
+					       enum dma_data_direction,	gfp_t);
+extern void scsi_host_put_command(struct Scsi_Host *, struct scsi_cmnd *);
diff --git a/include/scsi/scsi_tgt_if.h b/include/scsi/scsi_tgt_if.h
new file mode 100644
index 00000000000..46d5e70d721
--- /dev/null
+++ b/include/scsi/scsi_tgt_if.h
@@ -0,0 +1,90 @@
+/*
+ * SCSI target kernel/user interface
+ *
+ * Copyright (C) 2005 FUJITA Tomonori <tomof@acm.org>
+ * Copyright (C) 2005 Mike Christie <michaelc@cs.wisc.edu>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#ifndef __SCSI_TARGET_IF_H
+#define __SCSI_TARGET_IF_H
+
+/* user -> kernel */
+#define	TGT_UEVENT_CMD_RSP	0x0001
+#define	TGT_UEVENT_TSK_MGMT_RSP	0x0002
+
+/* kernel -> user */
+#define	TGT_KEVENT_CMD_REQ	0x1001
+#define	TGT_KEVENT_CMD_DONE	0x1002
+#define	TGT_KEVENT_TSK_MGMT_REQ	0x1003
+
+struct tgt_event_hdr {
+	uint16_t version;
+	uint16_t status;
+	uint16_t type;
+	uint16_t len;
+} __attribute__ ((aligned (sizeof(uint64_t))));
+
+struct tgt_event {
+	struct tgt_event_hdr hdr;
+
+	union {
+		/* user-> kernel */
+		struct {
+			int host_no;
+			uint32_t len;
+			int result;
+			aligned_u64 uaddr;
+			uint8_t rw;
+			aligned_u64 tag;
+		} cmd_rsp;
+		struct {
+			int host_no;
+			aligned_u64 mid;
+			int result;
+		} tsk_mgmt_rsp;
+
+
+		/* kernel -> user */
+		struct {
+			int host_no;
+			uint32_t data_len;
+			uint8_t scb[16];
+			uint8_t lun[8];
+			int attribute;
+			aligned_u64 tag;
+		} cmd_req;
+		struct {
+			int host_no;
+			aligned_u64 tag;
+			int result;
+		} cmd_done;
+		struct {
+			int host_no;
+			int function;
+			aligned_u64 tag;
+			uint8_t lun[8];
+			aligned_u64 mid;
+		} tsk_mgmt_req;
+	} p;
+} __attribute__ ((aligned (sizeof(uint64_t))));
+
+#define TGT_RING_SIZE (1UL << 16)
+#define TGT_RING_PAGES (TGT_RING_SIZE >> PAGE_SHIFT)
+#define TGT_EVENT_PER_PAGE (PAGE_SIZE / sizeof(struct tgt_event))
+#define TGT_MAX_EVENTS (TGT_EVENT_PER_PAGE * TGT_RING_PAGES)
+
+#endif
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index fd352323378..798f7c7ee42 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -206,9 +206,9 @@ struct fc_rport {	/* aka fc_starget_attrs */
 	u8 flags;
 	struct list_head peers;
 	struct device dev;
- 	struct work_struct dev_loss_work;
+ 	struct delayed_work dev_loss_work;
  	struct work_struct scan_work;
- 	struct work_struct fail_io_work;
+ 	struct delayed_work fail_io_work;
  	struct work_struct stgt_delete_work;
 	struct work_struct rport_delete_work;
 } __attribute__((aligned(sizeof(unsigned long))));
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 39e833260bd..d5c218ddc52 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -29,7 +29,6 @@
 struct scsi_transport_template;
 struct iscsi_transport;
 struct Scsi_Host;
-struct mempool_zone;
 struct iscsi_cls_conn;
 struct iscsi_conn;
 struct iscsi_cmd_task;
@@ -157,9 +156,6 @@ struct iscsi_cls_conn {
 
 	int active;			/* must be accessed with the connlock */
 	struct device dev;		/* sysfs transport/container device */
-	struct mempool_zone *z_error;
-	struct mempool_zone *z_pdu;
-	struct list_head freequeue;
 };
 
 #define iscsi_dev_to_conn(_dev) \
@@ -180,7 +176,7 @@ struct iscsi_cls_session {
 
 	/* recovery fields */
 	int recovery_tmo;
-	struct work_struct recovery_work;
+	struct delayed_work recovery_work;
 
 	int target_id;
 
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index 53024377f3b..59633a82de4 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -73,6 +73,8 @@ struct sas_phy {
 
 	/* for the list of phys belonging to a port */
 	struct list_head	port_siblings;
+
+	struct work_struct      reset_work;
 };
 
 #define dev_to_phy(d) \