Merge branch 'master' into upstream

24 files changed, 200 insertions, 60 deletions

diff --git a/include/asm-arm/arch-s3c2410/dma.h b/include/asm-arm/arch-s3c2410/dma.h
index 72964f9b8414..7463fd5252ce 100644
--- a/include/asm-arm/arch-s3c2410/dma.h
+++ b/include/asm-arm/arch-s3c2410/dma.h
@@ -104,6 +104,7 @@ enum s3c2410_chan_op_e {
 	S3C2410_DMAOP_RESUME,
 	S3C2410_DMAOP_FLUSH,
 	S3C2410_DMAOP_TIMEOUT,           /* internal signal to handler */
+	S3C2410_DMAOP_STARTED,		/* indicate channel started */
 };
 
 typedef enum s3c2410_chan_op_e s3c2410_chan_op_t;
diff --git a/include/asm-arm/arch-s3c2410/regs-rtc.h b/include/asm-arm/arch-s3c2410/regs-rtc.h
index 228983f89bc8..0fbec07bb6b8 100644
--- a/include/asm-arm/arch-s3c2410/regs-rtc.h
+++ b/include/asm-arm/arch-s3c2410/regs-rtc.h
@@ -18,7 +18,7 @@
 #ifndef __ASM_ARCH_REGS_RTC_H
 #define __ASM_ARCH_REGS_RTC_H __FILE__
 
-#define S3C2410_RTCREG(x) ((x) + S3C24XX_VA_RTC)
+#define S3C2410_RTCREG(x) (x)
 
 #define S3C2410_RTCCON	      S3C2410_RTCREG(0x40)
 #define S3C2410_RTCCON_RTCEN  (1<<0)
diff --git a/include/asm-arm/procinfo.h b/include/asm-arm/procinfo.h
index edb7b6502fcf..91a31adfa8a8 100644
--- a/include/asm-arm/procinfo.h
+++ b/include/asm-arm/procinfo.h
@@ -55,5 +55,6 @@ extern unsigned int elf_hwcap;
 #define HWCAP_VFP	64
 #define HWCAP_EDSP	128
 #define HWCAP_JAVA	256
+#define HWCAP_IWMMXT	512
 
 #endif
diff --git a/include/asm-i386/mmzone.h b/include/asm-i386/mmzone.h
index e33e9f9e4c66..22cb07cc8f32 100644
--- a/include/asm-i386/mmzone.h
+++ b/include/asm-i386/mmzone.h
@@ -14,7 +14,7 @@ extern struct pglist_data *node_data[];
 
 #ifdef CONFIG_X86_NUMAQ
 	#include <asm/numaq.h>
-#else	/* summit or generic arch */
+#elif defined(CONFIG_ACPI_SRAT)/* summit or generic arch */
 	#include <asm/srat.h>
 #endif
 
diff --git a/include/asm-powerpc/pgalloc.h b/include/asm-powerpc/pgalloc.h
index 9f0917c68659..ae63db7b3e7d 100644
--- a/include/asm-powerpc/pgalloc.h
+++ b/include/asm-powerpc/pgalloc.h
@@ -117,7 +117,7 @@ static inline void pte_free(struct page *ptepage)
 	pte_free_kernel(page_address(ptepage));
 }
 
-#define PGF_CACHENUM_MASK	0xf
+#define PGF_CACHENUM_MASK	0x3
 
 typedef struct pgtable_free {
 	unsigned long val;
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 7307aa775671..4c9f5229e833 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -53,6 +53,15 @@
 #define smp_read_barrier_depends()	do { } while(0)
 #endif /* CONFIG_SMP */
 
+/*
+ * This is a barrier which prevents following instructions from being
+ * started until the value of the argument x is known.  For example, if
+ * x is a variable loaded from memory, this prevents following
+ * instructions from being executed until the load has been performed.
+ */
+#define data_barrier(x)	\
+	asm volatile("twi 0,%0,0; isync" : : "r" (x) : "memory");
+
 struct task_struct;
 struct pt_regs;
 
diff --git a/include/asm-powerpc/tsi108.h b/include/asm-powerpc/tsi108.h
index c4c278d72f71..2c702d35a7cf 100644
--- a/include/asm-powerpc/tsi108.h
+++ b/include/asm-powerpc/tsi108.h
@@ -1,16 +1,18 @@
 /*
- * include/asm-ppc/tsi108.h
- *
  * common routine and memory layout for Tundra TSI108(Grendel) host bridge
  * memory controller.
  *
  * Author: Jacob Pan (jacob.pan@freescale.com)
  *	   Alex Bounine (alexandreb@tundra.com)
- * 2004 (c) Freescale Semiconductor Inc.  This file is licensed under
- * the terms of the GNU General Public License version 2.  This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
+ *
+ * Copyright 2004-2006 Freescale Semiconductor, Inc.
+ *
+ * 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.
  */
+
 #ifndef __PPC_KERNEL_TSI108_H
 #define __PPC_KERNEL_TSI108_H
 
diff --git a/include/asm-powerpc/tsi108_irq.h b/include/asm-powerpc/tsi108_irq.h
new file mode 100644
index 000000000000..3e4d04effa57
--- /dev/null
+++ b/include/asm-powerpc/tsi108_irq.h
@@ -0,0 +1,124 @@
+/*
+ * (C) Copyright 2005 Tundra Semiconductor Corp.
+ * Alex Bounine, <alexandreb at tundra.com).
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * definitions for interrupt controller initialization and external interrupt
+ * demultiplexing on TSI108EMU/SVB boards.
+ */
+
+#ifndef _ASM_PPC_TSI108_IRQ_H
+#define _ASM_PPC_TSI108_IRQ_H
+
+/*
+ * Tsi108 interrupts
+ */
+#ifndef TSI108_IRQ_REG_BASE
+#define TSI108_IRQ_REG_BASE		0
+#endif
+
+#define TSI108_IRQ(x)		(TSI108_IRQ_REG_BASE + (x))
+
+#define TSI108_MAX_VECTORS	(36 + 4)	/* 36 sources + PCI INT demux */
+#define MAX_TASK_PRIO	0xF
+
+#define TSI108_IRQ_SPURIOUS	(TSI108_MAX_VECTORS)
+
+#define DEFAULT_PRIO_LVL	10	/* initial priority level */
+
+/* Interrupt vectors assignment to external and internal
+ * sources of requests. */
+
+/* EXTERNAL INTERRUPT SOURCES */
+
+#define IRQ_TSI108_EXT_INT0	TSI108_IRQ(0)	/* External Source at INT[0] */
+#define IRQ_TSI108_EXT_INT1	TSI108_IRQ(1)	/* External Source at INT[1] */
+#define IRQ_TSI108_EXT_INT2	TSI108_IRQ(2)	/* External Source at INT[2] */
+#define IRQ_TSI108_EXT_INT3	TSI108_IRQ(3)	/* External Source at INT[3] */
+
+/* INTERNAL INTERRUPT SOURCES */
+
+#define IRQ_TSI108_RESERVED0	TSI108_IRQ(4)	/* Reserved IRQ */
+#define IRQ_TSI108_RESERVED1	TSI108_IRQ(5)	/* Reserved IRQ */
+#define IRQ_TSI108_RESERVED2	TSI108_IRQ(6)	/* Reserved IRQ */
+#define IRQ_TSI108_RESERVED3	TSI108_IRQ(7)	/* Reserved IRQ */
+#define IRQ_TSI108_DMA0		TSI108_IRQ(8)	/* DMA0 */
+#define IRQ_TSI108_DMA1		TSI108_IRQ(9)	/* DMA1 */
+#define IRQ_TSI108_DMA2		TSI108_IRQ(10)	/* DMA2 */
+#define IRQ_TSI108_DMA3		TSI108_IRQ(11)	/* DMA3 */
+#define IRQ_TSI108_UART0	TSI108_IRQ(12)	/* UART0 */
+#define IRQ_TSI108_UART1	TSI108_IRQ(13)	/* UART1 */
+#define IRQ_TSI108_I2C		TSI108_IRQ(14)	/* I2C */
+#define IRQ_TSI108_GPIO		TSI108_IRQ(15)	/* GPIO */
+#define IRQ_TSI108_GIGE0	TSI108_IRQ(16)	/* GIGE0 */
+#define IRQ_TSI108_GIGE1	TSI108_IRQ(17)	/* GIGE1 */
+#define IRQ_TSI108_RESERVED4	TSI108_IRQ(18)	/* Reserved IRQ */
+#define IRQ_TSI108_HLP		TSI108_IRQ(19)	/* HLP */
+#define IRQ_TSI108_SDRAM	TSI108_IRQ(20)	/* SDC */
+#define IRQ_TSI108_PROC_IF	TSI108_IRQ(21)	/* Processor IF */
+#define IRQ_TSI108_RESERVED5	TSI108_IRQ(22)	/* Reserved IRQ */
+#define IRQ_TSI108_PCI		TSI108_IRQ(23)	/* PCI/X block */
+
+#define IRQ_TSI108_MBOX0	TSI108_IRQ(24)	/* Mailbox 0 register */
+#define IRQ_TSI108_MBOX1	TSI108_IRQ(25)	/* Mailbox 1 register */
+#define IRQ_TSI108_MBOX2	TSI108_IRQ(26)	/* Mailbox 2 register */
+#define IRQ_TSI108_MBOX3	TSI108_IRQ(27)	/* Mailbox 3 register */
+
+#define IRQ_TSI108_DBELL0	TSI108_IRQ(28)	/* Doorbell 0 */
+#define IRQ_TSI108_DBELL1	TSI108_IRQ(29)	/* Doorbell 1 */
+#define IRQ_TSI108_DBELL2	TSI108_IRQ(30)	/* Doorbell 2 */
+#define IRQ_TSI108_DBELL3	TSI108_IRQ(31)	/* Doorbell 3 */
+
+#define IRQ_TSI108_TIMER0	TSI108_IRQ(32)	/* Global Timer 0 */
+#define IRQ_TSI108_TIMER1	TSI108_IRQ(33)	/* Global Timer 1 */
+#define IRQ_TSI108_TIMER2	TSI108_IRQ(34)	/* Global Timer 2 */
+#define IRQ_TSI108_TIMER3	TSI108_IRQ(35)	/* Global Timer 3 */
+
+/*
+ * PCI bus INTA# - INTD# lines demultiplexor
+ */
+#define IRQ_PCI_INTAD_BASE	TSI108_IRQ(36)
+#define IRQ_PCI_INTA		(IRQ_PCI_INTAD_BASE + 0)
+#define IRQ_PCI_INTB		(IRQ_PCI_INTAD_BASE + 1)
+#define IRQ_PCI_INTC		(IRQ_PCI_INTAD_BASE + 2)
+#define IRQ_PCI_INTD		(IRQ_PCI_INTAD_BASE + 3)
+#define NUM_PCI_IRQS		(4)
+
+/* number of entries in vector dispatch table */
+#define IRQ_TSI108_TAB_SIZE	(TSI108_MAX_VECTORS + 1)
+
+/* Mapping of MPIC outputs to processors' interrupt pins */
+
+#define IDIR_INT_OUT0		0x1
+#define IDIR_INT_OUT1		0x2
+#define IDIR_INT_OUT2		0x4
+#define IDIR_INT_OUT3		0x8
+
+/*---------------------------------------------------------------
+ * IRQ line configuration parameters */
+
+/* Interrupt delivery modes */
+typedef enum {
+	TSI108_IRQ_DIRECTED,
+	TSI108_IRQ_DISTRIBUTED,
+} TSI108_IRQ_MODE;
+#endif				/*  _ASM_PPC_TSI108_IRQ_H */
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index 1ba19eb34ce3..ebfe395cfb87 100644
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -234,7 +234,7 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot)
 	sz_bits = 0UL;
 	if (_PAGE_SZBITS_4U != 0UL || _PAGE_SZBITS_4V != 0UL) {
 		__asm__ __volatile__(
-		"\n661:	sethi		%uhi(%1), %0\n"
+		"\n661:	sethi		%%uhi(%1), %0\n"
 		"	sllx		%0, 32, %0\n"
 		"	.section	.sun4v_2insn_patch, \"ax\"\n"
 		"	.word		661b\n"
diff --git a/include/linux/compat_ioctl.h b/include/linux/compat_ioctl.h
index 269d000bb2a3..bea0255196c4 100644
--- a/include/linux/compat_ioctl.h
+++ b/include/linux/compat_ioctl.h
@@ -216,6 +216,7 @@ COMPATIBLE_IOCTL(VT_RESIZE)
 COMPATIBLE_IOCTL(VT_RESIZEX)
 COMPATIBLE_IOCTL(VT_LOCKSWITCH)
 COMPATIBLE_IOCTL(VT_UNLOCKSWITCH)
+COMPATIBLE_IOCTL(VT_GETHIFONTMASK)
 /* Little p (/dev/rtc, /dev/envctrl, etc.) */
 COMPATIBLE_IOCTL(RTC_AIE_ON)
 COMPATIBLE_IOCTL(RTC_AIE_OFF)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 25610205c90d..555bc195c420 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -570,13 +570,14 @@ struct inode {
  * 3: quota file
  *
  * The locking order between these classes is
- * parent -> child -> normal -> quota
+ * parent -> child -> normal -> xattr -> quota
  */
 enum inode_i_mutex_lock_class
 {
 	I_MUTEX_NORMAL,
 	I_MUTEX_PARENT,
 	I_MUTEX_CHILD,
+	I_MUTEX_XATTR,
 	I_MUTEX_QUOTA
 };
 
diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h
index 88d5961f7a3f..8e2042b9d471 100644
--- a/include/linux/ioprio.h
+++ b/include/linux/ioprio.h
@@ -59,27 +59,6 @@ static inline int task_nice_ioprio(struct task_struct *task)
 /*
  * For inheritance, return the highest of the two given priorities
  */
-static inline int ioprio_best(unsigned short aprio, unsigned short bprio)
-{
-	unsigned short aclass = IOPRIO_PRIO_CLASS(aprio);
-	unsigned short bclass = IOPRIO_PRIO_CLASS(bprio);
-
-	if (!ioprio_valid(aprio))
-		return bprio;
-	if (!ioprio_valid(bprio))
-		return aprio;
-
-	if (aclass == IOPRIO_CLASS_NONE)
-		aclass = IOPRIO_CLASS_BE;
-	if (bclass == IOPRIO_CLASS_NONE)
-		bclass = IOPRIO_CLASS_BE;
-
-	if (aclass == bclass)
-		return min(aprio, bprio);
-	if (aclass > bclass)
-		return bprio;
-	else
-		return aprio;
-}
+extern int ioprio_best(unsigned short aprio, unsigned short bprio);
 
 #endif
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 20eb34403d0c..a04c154c5207 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -72,6 +72,9 @@ extern int journal_enable_debug;
 #endif
 
 extern void * __jbd_kmalloc (const char *where, size_t size, gfp_t flags, int retry);
+extern void * jbd_slab_alloc(size_t size, gfp_t flags);
+extern void jbd_slab_free(void *ptr, size_t size);
+
 #define jbd_kmalloc(size, flags) \
 	__jbd_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry)
 #define jbd_rep_kmalloc(size, flags) \
diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h
index 10c13dc4665b..427c67ff89e9 100644
--- a/include/linux/netfilter_bridge.h
+++ b/include/linux/netfilter_bridge.h
@@ -48,15 +48,25 @@ enum nf_br_hook_priorities {
 
 /* Only used in br_forward.c */
 static inline
-void nf_bridge_maybe_copy_header(struct sk_buff *skb)
+int nf_bridge_maybe_copy_header(struct sk_buff *skb)
 {
+	int err;
+
 	if (skb->nf_bridge) {
 		if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
+			err = skb_cow(skb, 18);
+			if (err)
+				return err;
 			memcpy(skb->data - 18, skb->nf_bridge->data, 18);
 			skb_push(skb, 4);
-		} else
+		} else {
+			err = skb_cow(skb, 16);
+			if (err)
+				return err;
 			memcpy(skb->data - 16, skb->nf_bridge->data, 16);
+		}
 	}
+	return 0;
 }
 
 /* This is called by the IP fragmenting code and it ensures there is
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 2d3fb6416d91..db9cbf68e12b 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -659,7 +659,7 @@ struct nfs4_rename_res {
 struct nfs4_setclientid {
 	const nfs4_verifier *		sc_verifier;      /* request */
 	unsigned int			sc_name_len;
-	char				sc_name[32];	  /* request */
+	char				sc_name[48];	  /* request */
 	u32				sc_prog;          /* request */
 	unsigned int			sc_netid_len;
 	char				sc_netid[4];	  /* request */
diff --git a/include/linux/node.h b/include/linux/node.h
index 81dcec84cd8f..bc001bc225c3 100644
--- a/include/linux/node.h
+++ b/include/linux/node.h
@@ -30,12 +30,20 @@ extern struct node node_devices[];
 
 extern int register_node(struct node *, int, struct node *);
 extern void unregister_node(struct node *node);
+#ifdef CONFIG_NUMA
 extern int register_one_node(int nid);
 extern void unregister_one_node(int nid);
-#ifdef CONFIG_NUMA
 extern int register_cpu_under_node(unsigned int cpu, unsigned int nid);
 extern int unregister_cpu_under_node(unsigned int cpu, unsigned int nid);
 #else
+static inline int register_one_node(int nid)
+{
+	return 0;
+}
+static inline int unregister_one_node(int nid)
+{
+	return 0;
+}
 static inline int register_cpu_under_node(unsigned int cpu, unsigned int nid)
 {
 	return 0;
diff --git a/include/linux/sunrpc/rpc_pipe_fs.h b/include/linux/sunrpc/rpc_pipe_fs.h
index 2c2189cb30aa..a481472c9484 100644
--- a/include/linux/sunrpc/rpc_pipe_fs.h
+++ b/include/linux/sunrpc/rpc_pipe_fs.h
@@ -42,9 +42,9 @@ RPC_I(struct inode *inode)
 extern int rpc_queue_upcall(struct inode *, struct rpc_pipe_msg *);
 
 extern struct dentry *rpc_mkdir(char *, struct rpc_clnt *);
-extern int rpc_rmdir(char *);
+extern int rpc_rmdir(struct dentry *);
 extern struct dentry *rpc_mkpipe(char *, void *, struct rpc_pipe_ops *, int flags);
-extern int rpc_unlink(char *);
+extern int rpc_unlink(struct dentry *);
 extern struct vfsmount *rpc_get_mount(void);
 extern void rpc_put_mount(void);
 
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 840e47a4ccc5..3a0cca255b76 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -37,7 +37,7 @@ extern unsigned int xprt_max_resvport;
 
 #define RPC_MIN_RESVPORT	(1U)
 #define RPC_MAX_RESVPORT	(65535U)
-#define RPC_DEF_MIN_RESVPORT	(650U)
+#define RPC_DEF_MIN_RESVPORT	(665U)
 #define RPC_DEF_MAX_RESVPORT	(1023U)
 
 /*
diff --git a/include/linux/tty.h b/include/linux/tty.h
index e421d5e34818..04827ca65781 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -59,6 +59,7 @@ struct tty_bufhead {
 	struct tty_buffer *head;	/* Queue head */
 	struct tty_buffer *tail;	/* Active buffer */
 	struct tty_buffer *free;	/* Free queue head */
+	int memory_used;		/* Buffer space used excluding free queue */
 };
 /*
  * The pty uses char_buf and flag_buf as a contiguous buffer
diff --git a/include/linux/vt.h b/include/linux/vt.h
index 8ab334a48222..ba806e8711be 100644
--- a/include/linux/vt.h
+++ b/include/linux/vt.h
@@ -60,5 +60,6 @@ struct vt_consize {
 #define VT_RESIZEX      0x560A  /* set kernel's idea of screensize + more */
 #define VT_LOCKSWITCH   0x560B  /* disallow vt switching */
 #define VT_UNLOCKSWITCH 0x560C  /* allow vt switching */
+#define VT_GETHIFONTMASK 0x560D  /* return hi font mask */
 
 #endif /* _LINUX_VT_H */
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index a9663b49ea54..92eae0e0f3f1 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -404,19 +404,6 @@ static inline int sctp_list_single_entry(struct list_head *head)
 	return ((head->next != head) && (head->next == head->prev));
 }
 
-/* Calculate the size (in bytes) occupied by the data of an iovec.  */
-static inline size_t get_user_iov_size(struct iovec *iov, int iovlen)
-{
-	size_t retval = 0;
-
-	for (; iovlen > 0; --iovlen) {
-		retval += iov->iov_len;
-		iov++;
-	}
-
-	return retval;
-}
-
 /* Generate a random jitter in the range of -50% ~ +50% of input RTO. */
 static inline __s32 sctp_jitter(__u32 rto)
 {
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 1eac3d0eb7a9..de313de4fefe 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -221,8 +221,7 @@ struct sctp_chunk *sctp_make_abort_no_data(const struct sctp_association *,
 				      const struct sctp_chunk *,
 				      __u32 tsn);
 struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *,
-				   const struct sctp_chunk *,
-				   const struct msghdr *);
+					const struct msghdr *, size_t msg_len);
 struct sctp_chunk *sctp_make_abort_violation(const struct sctp_association *,
 				   const struct sctp_chunk *,
 				   const __u8 *,
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index ba2760802ded..41904f611d12 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -60,6 +60,7 @@ struct iscsi_nopin;
 #define TMABORT_SUCCESS			0x1
 #define TMABORT_FAILED			0x2
 #define TMABORT_TIMEDOUT		0x3
+#define TMABORT_NOT_FOUND		0x4
 
 /* Connection suspend "bit" */
 #define ISCSI_SUSPEND_BIT		1
@@ -83,6 +84,12 @@ struct iscsi_mgmt_task {
 	struct list_head	running;
 };
 
+enum {
+	ISCSI_TASK_COMPLETED,
+	ISCSI_TASK_PENDING,
+	ISCSI_TASK_RUNNING,
+};
+
 struct iscsi_cmd_task {
 	/*
 	 * Becuae LLDs allocate their hdr differently, this is a pointer to
@@ -101,6 +108,8 @@ struct iscsi_cmd_task {
 	struct iscsi_conn	*conn;		/* used connection    */
 	struct iscsi_mgmt_task	*mtask;		/* tmf mtask in progr */
 
+	/* state set/tested under session->lock */
+	int			state;
 	struct list_head	running;	/* running cmd list */
 	void			*dd_data;	/* driver/transport data */
 };
@@ -126,6 +135,14 @@ struct iscsi_conn {
 	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
+	 * originate from scsi-ml. We never have two pdus using the
+	 * buffer at the same time. It is only allocated to
+	 * the default max recv size because the pdus we support
+	 * should always fit in this buffer
+	 */
+	char			*data;
 	struct iscsi_mgmt_task	*login_mtask;	/* mtask used for login/text */
 	struct iscsi_mgmt_task	*mtask;		/* xmit mtask in progress */
 	struct iscsi_cmd_task	*ctask;		/* xmit ctask in progress */
@@ -134,7 +151,7 @@ struct iscsi_conn {
 	struct kfifo		*immqueue;	/* immediate xmit queue */
 	struct kfifo		*mgmtqueue;	/* mgmt (control) xmit queue */
 	struct list_head	mgmt_run_list;	/* list of control tasks */
-	struct kfifo		*xmitqueue;	/* data-path cmd queue */
+	struct list_head	xmitqueue;	/* data-path cmd queue */
 	struct list_head	run_list;	/* list of cmds in progress */
 	struct work_struct	xmitwork;	/* per-conn. xmit workqueue */
 	/*
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 5a3df1d7085f..39e833260bd0 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -57,8 +57,6 @@ struct sockaddr;
  * @stop_conn:		suspend/recover/terminate connection
  * @send_pdu:		send iSCSI PDU, Login, Logout, NOP-Out, Reject, Text.
  * @session_recovery_timedout: notify LLD a block during recovery timed out
- * @suspend_conn_recv:	susepend the recv side of the connection
- * @termincate_conn:	destroy socket connection. Called with mutex lock.
  * @init_cmd_task:	Initialize a iscsi_cmd_task and any internal structs.
  *			Called from queuecommand with session lock held.
  * @init_mgmt_task:	Initialize a iscsi_mgmt_task and any internal structs.
@@ -112,8 +110,6 @@ struct iscsi_transport {
 			 char *data, uint32_t data_size);
 	void (*get_stats) (struct iscsi_cls_conn *conn,
 			   struct iscsi_stats *stats);
-	void (*suspend_conn_recv) (struct iscsi_conn *conn);
-	void (*terminate_conn) (struct iscsi_conn *conn);
 	void (*init_cmd_task) (struct iscsi_cmd_task *ctask);
 	void (*init_mgmt_task) (struct iscsi_conn *conn,
 				struct iscsi_mgmt_task *mtask,