22 files changed, 190 insertions, 132 deletions

diff --git a/include/linux/agp_backend.h b/include/linux/agp_backend.h
index 9101ed64f803..09ea4a1e9505 100644
--- a/include/linux/agp_backend.h
+++ b/include/linux/agp_backend.h
@@ -79,7 +79,6 @@ struct agp_memory {
         u32 physical;
         bool is_bound;
         bool is_flushed;
-        bool vmalloc_flag;
         /* list of agp_memory mapped to the aperture */
         struct list_head mapped_list;
         /* DMA-mapped addresses */
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index aee5f6ce166e..e9aec0d099df 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -82,8 +82,6 @@ struct backing_dev_info {
         struct bdi_writeback wb;  /* default writeback info for this bdi */
         spinlock_t wb_lock;       /* protects update side of wb_list */
         struct list_head wb_list; /* the flusher threads hanging off this bdi */
-        unsigned long wb_mask;    /* bitmask of registered tasks */
-        unsigned int wb_cnt;      /* number of registered tasks */
 
         struct list_head work_list;
 
@@ -105,8 +103,8 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent,
 int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev);
 void bdi_unregister(struct backing_dev_info *bdi);
 int bdi_setup_and_register(struct backing_dev_info *, char *, unsigned int);
-void bdi_start_writeback(struct backing_dev_info *bdi, struct super_block *sb,
-                                long nr_pages);
+void bdi_start_writeback(struct backing_dev_info *bdi, long nr_pages);
+void bdi_start_background_writeback(struct backing_dev_info *bdi);
 int bdi_writeback_task(struct bdi_writeback *wb);
 int bdi_has_dirty_io(struct backing_dev_info *bdi);
 void bdi_arm_supers_timer(void);
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 0c621604baa1..e3d00fdb858d 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -525,13 +525,21 @@ static inline struct cgroup_subsys_state *cgroup_subsys_state(
         return cgrp->subsys[subsys_id];
 }
 
-static inline struct cgroup_subsys_state *task_subsys_state(
-        struct task_struct *task, int subsys_id)
+/*
+ * function to get the cgroup_subsys_state which allows for extra
+ * rcu_dereference_check() conditions, such as locks used during the
+ * cgroup_subsys::attach() methods.
+ */
+#define task_subsys_state_check(task, subsys_id, __c)                   \
+        rcu_dereference_check(task->cgroups->subsys[subsys_id],         \
+                              rcu_read_lock_held() ||                   \
+                              lockdep_is_held(&task->alloc_lock) ||     \
+                              cgroup_lock_is_held() || (__c))
+
+static inline struct cgroup_subsys_state *
+task_subsys_state(struct task_struct *task, int subsys_id)
 {
-        return rcu_dereference_check(task->cgroups->subsys[subsys_id],
-                                     rcu_read_lock_held() ||
-                                     lockdep_is_held(&task->alloc_lock) ||
-                                     cgroup_lock_is_held());
+        return task_subsys_state_check(task, subsys_id, false);
 }
 
 static inline struct cgroup* task_cgroup(struct task_struct *task,
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 73dcf804bc94..0da5b187f124 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -58,8 +58,12 @@
  * naked functions because then mcount is called without stack and frame pointer
  * being set up and there is no chance to restore the lr register to the value
  * before mcount was called.
+ *
+ * The asm() bodies of naked functions often depend on standard calling conventions,
+ * therefore they must be noinline and noclone.  GCC 4.[56] currently fail to enforce
+ * this, so we must do so ourselves.  See GCC PR44290.
  */
-#define __naked                         __attribute__((naked)) notrace
+#define __naked                         __attribute__((naked)) noinline __noclone notrace
 
 #define __noreturn                      __attribute__((noreturn))
 
@@ -85,3 +89,7 @@
 #define _gcc_header(x) __gcc_header(linux/compiler-gcc##x.h)
 #define gcc_header(x) _gcc_header(x)
 #include gcc_header(__GNUC__)
+
+#if !defined(__noclone)
+#define __noclone       /* not needed */
+#endif
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index 94dea3ffbfa1..fcfa5b9a4317 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -48,6 +48,10 @@
  * unreleased.  Really, we need to have autoconf for the kernel.
  */
 #define unreachable() __builtin_unreachable()
+
+/* Mark a function definition as prohibited from being cloned. */
+#define __noclone       __attribute__((__noclone__))
+
 #endif
 
 #endif
diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index 30da4ae48972..b8d2516668aa 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -53,7 +53,7 @@
 
 
 extern const char *drbd_buildtag(void);
-#define REL_VERSION "8.3.8rc2"
+#define REL_VERSION "8.3.8"
 #define API_VERSION 88
 #define PRO_VERSION_MIN 86
 #define PRO_VERSION_MAX 94
diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h
index b3cd4de9432b..52c0da4bdd18 100644
--- a/include/linux/dynamic_debug.h
+++ b/include/linux/dynamic_debug.h
@@ -40,7 +40,7 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n,
                                 const char *modname);
 
 #if defined(CONFIG_DYNAMIC_DEBUG)
-extern int ddebug_remove_module(char *mod_name);
+extern int ddebug_remove_module(const char *mod_name);
 
 #define __dynamic_dbg_enabled(dd)  ({        \
         int __ret = 0;                                                       \
@@ -73,7 +73,7 @@ extern int ddebug_remove_module(char *mod_name);
 
 #else
 
-static inline int ddebug_remove_module(char *mod)
+static inline int ddebug_remove_module(const char *mod)
 {
         return 0;
 }
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 276b40a16835..b4207ca3ad52 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -379,6 +379,8 @@ struct ethtool_rxnfc {
         __u32                           flow_type;
         /* The rx flow hash value or the rule DB size */
         __u64                           data;
+        /* The following fields are not valid and must not be used for
+         * the ETHTOOL_{G,X}RXFH commands. */
         struct ethtool_rx_flow_spec     fs;
         __u32                           rule_cnt;
         __u32                           rule_locs[0];
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 907ace3a64c8..8e5a9dfb76bf 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -786,8 +786,6 @@ struct fb_tile_ops {
 #define FBINFO_MISC_USEREVENT          0x10000 /* event request
                                                   from userspace */
 #define FBINFO_MISC_TILEBLITTING       0x20000 /* use tile blitting */
-#define FBINFO_MISC_FIRMWARE           0x40000 /* a replaceable firmware
-                                                  inited framebuffer */
 
 /* A driver may set this flag to indicate that it does want a set_par to be
  * called every time when fbcon_switch is executed. The advantage is that with
@@ -801,6 +799,8 @@ struct fb_tile_ops {
  */
 #define FBINFO_MISC_ALWAYS_SETPAR   0x40000
 
+/* where the fb is a firmware driver, and can be replaced with a proper one */
+#define FBINFO_MISC_FIRMWARE        0x80000
 /*
  * Host and GPU endianness differ.
  */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 471e1ff5079a..68ca1b0491af 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1783,6 +1783,19 @@ extern int get_sb_pseudo(struct file_system_type *, char *,
         struct vfsmount *mnt);
 extern void simple_set_mnt(struct vfsmount *mnt, struct super_block *sb);
 
+static inline void sb_mark_dirty(struct super_block *sb)
+{
+        sb->s_dirt = 1;
+}
+static inline void sb_mark_clean(struct super_block *sb)
+{
+        sb->s_dirt = 0;
+}
+static inline int sb_is_dirty(struct super_block *sb)
+{
+        return sb->s_dirt;
+}
+
 /* Alas, no aliases. Too much hassle with bringing module.h everywhere */
 #define fops_get(fops) \
         (((fops) && try_module_get((fops)->owner) ? (fops) : NULL))
diff --git a/include/linux/list.h b/include/linux/list.h
index 8392884a2977..5d57a3a1fa1b 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -544,6 +544,21 @@ static inline void list_splice_tail_init(struct list_head *list,
              &pos->member != (head);                                    \
              pos = n, n = list_entry(n->member.prev, typeof(*n), member))
 
+/**
+ * list_safe_reset_next - reset a stale list_for_each_entry_safe loop
+ * @pos:        the loop cursor used in the list_for_each_entry_safe loop
+ * @n:          temporary storage used in list_for_each_entry_safe
+ * @member:     the name of the list_struct within the struct.
+ *
+ * list_safe_reset_next is not safe to use in general if the list may be
+ * modified concurrently (eg. the lock is dropped in the loop body). An
+ * exception to this is if the cursor element (pos) is pinned in the list,
+ * and list_safe_reset_next is called after re-taking the lock and before
+ * completing the current iteration of the loop body.
+ */
+#define list_safe_reset_next(pos, n, member)                            \
+        n = list_entry(pos->member.next, typeof(*pos), member)
+
 /*
  * Double linked lists with a single pointer list head.
  * Mostly useful for hash tables where the two pointer list head is
diff --git a/include/linux/lmb.h b/include/linux/lmb.h
deleted file mode 100644
index f3d14333ebed..000000000000
--- a/include/linux/lmb.h
+++ /dev/null
@@ -1,89 +0,0 @@
-#ifndef _LINUX_LMB_H
-#define _LINUX_LMB_H
-#ifdef __KERNEL__
-
-/*
- * Logical memory blocks.
- *
- * Copyright (C) 2001 Peter Bergner, IBM Corp.
- *
- * 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.
- */
-
-#include <linux/init.h>
-#include <linux/mm.h>
-
-#define MAX_LMB_REGIONS 128
-
-struct lmb_property {
-        u64 base;
-        u64 size;
-};
-
-struct lmb_region {
-        unsigned long cnt;
-        u64 size;
-        struct lmb_property region[MAX_LMB_REGIONS+1];
-};
-
-struct lmb {
-        unsigned long debug;
-        u64 rmo_size;
-        struct lmb_region memory;
-        struct lmb_region reserved;
-};
-
-extern struct lmb lmb;
-
-extern void __init lmb_init(void);
-extern void __init lmb_analyze(void);
-extern long lmb_add(u64 base, u64 size);
-extern long lmb_remove(u64 base, u64 size);
-extern long __init lmb_free(u64 base, u64 size);
-extern long __init lmb_reserve(u64 base, u64 size);
-extern u64 __init lmb_alloc_nid(u64 size, u64 align, int nid,
-                                u64 (*nid_range)(u64, u64, int *));
-extern u64 __init lmb_alloc(u64 size, u64 align);
-extern u64 __init lmb_alloc_base(u64 size,
-                u64, u64 max_addr);
-extern u64 __init __lmb_alloc_base(u64 size,
-                u64 align, u64 max_addr);
-extern u64 __init lmb_phys_mem_size(void);
-extern u64 lmb_end_of_DRAM(void);
-extern void __init lmb_enforce_memory_limit(u64 memory_limit);
-extern int __init lmb_is_reserved(u64 addr);
-extern int lmb_is_region_reserved(u64 base, u64 size);
-extern int lmb_find(struct lmb_property *res);
-
-extern void lmb_dump_all(void);
-
-static inline u64
-lmb_size_bytes(struct lmb_region *type, unsigned long region_nr)
-{
-        return type->region[region_nr].size;
-}
-static inline u64
-lmb_size_pages(struct lmb_region *type, unsigned long region_nr)
-{
-        return lmb_size_bytes(type, region_nr) >> PAGE_SHIFT;
-}
-static inline u64
-lmb_start_pfn(struct lmb_region *type, unsigned long region_nr)
-{
-        return type->region[region_nr].base >> PAGE_SHIFT;
-}
-static inline u64
-lmb_end_pfn(struct lmb_region *type, unsigned long region_nr)
-{
-        return lmb_start_pfn(type, region_nr) +
-               lmb_size_pages(type, region_nr);
-}
-
-#include <asm/lmb.h>
-
-#endif /* __KERNEL__ */
-
-#endif /* _LINUX_LMB_H */
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
new file mode 100644
index 000000000000..a59faf2b5edd
--- /dev/null
+++ b/include/linux/memblock.h
@@ -0,0 +1,89 @@
+#ifndef _LINUX_MEMBLOCK_H
+#define _LINUX_MEMBLOCK_H
+#ifdef __KERNEL__
+
+/*
+ * Logical memory blocks.
+ *
+ * Copyright (C) 2001 Peter Bergner, IBM Corp.
+ *
+ * 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.
+ */
+
+#include <linux/init.h>
+#include <linux/mm.h>
+
+#define MAX_MEMBLOCK_REGIONS 128
+
+struct memblock_property {
+        u64 base;
+        u64 size;
+};
+
+struct memblock_region {
+        unsigned long cnt;
+        u64 size;
+        struct memblock_property region[MAX_MEMBLOCK_REGIONS+1];
+};
+
+struct memblock {
+        unsigned long debug;
+        u64 rmo_size;
+        struct memblock_region memory;
+        struct memblock_region reserved;
+};
+
+extern struct memblock memblock;
+
+extern void __init memblock_init(void);
+extern void __init memblock_analyze(void);
+extern long memblock_add(u64 base, u64 size);
+extern long memblock_remove(u64 base, u64 size);
+extern long __init memblock_free(u64 base, u64 size);
+extern long __init memblock_reserve(u64 base, u64 size);
+extern u64 __init memblock_alloc_nid(u64 size, u64 align, int nid,
+                                u64 (*nid_range)(u64, u64, int *));
+extern u64 __init memblock_alloc(u64 size, u64 align);
+extern u64 __init memblock_alloc_base(u64 size,
+                u64, u64 max_addr);
+extern u64 __init __memblock_alloc_base(u64 size,
+                u64 align, u64 max_addr);
+extern u64 __init memblock_phys_mem_size(void);
+extern u64 memblock_end_of_DRAM(void);
+extern void __init memblock_enforce_memory_limit(u64 memory_limit);
+extern int __init memblock_is_reserved(u64 addr);
+extern int memblock_is_region_reserved(u64 base, u64 size);
+extern int memblock_find(struct memblock_property *res);
+
+extern void memblock_dump_all(void);
+
+static inline u64
+memblock_size_bytes(struct memblock_region *type, unsigned long region_nr)
+{
+        return type->region[region_nr].size;
+}
+static inline u64
+memblock_size_pages(struct memblock_region *type, unsigned long region_nr)
+{
+        return memblock_size_bytes(type, region_nr) >> PAGE_SHIFT;
+}
+static inline u64
+memblock_start_pfn(struct memblock_region *type, unsigned long region_nr)
+{
+        return type->region[region_nr].base >> PAGE_SHIFT;
+}
+static inline u64
+memblock_end_pfn(struct memblock_region *type, unsigned long region_nr)
+{
+        return memblock_start_pfn(type, region_nr) +
+               memblock_size_pages(type, region_nr);
+}
+
+#include <asm/memblock.h>
+
+#endif /* __KERNEL__ */
+
+#endif /* _LINUX_MEMBLOCK_H */
diff --git a/include/linux/mv643xx_eth.h b/include/linux/mv643xx_eth.h
index cbbbe9bfecad..30b0c4e78f91 100644
--- a/include/linux/mv643xx_eth.h
+++ b/include/linux/mv643xx_eth.h
@@ -19,6 +19,11 @@ struct mv643xx_eth_shared_platform_data {
         struct mbus_dram_target_info    *dram;
         struct platform_device  *shared_smi;
         unsigned int            t_clk;
+        /*
+         * Max packet size for Tx IP/Layer 4 checksum, when set to 0, default
+         * limit of 9KiB will be used.
+         */
+        int                     tx_csum_limit;
 };
 
 #define MV643XX_ETH_PHY_ADDR_DEFAULT    0
diff --git a/include/linux/net.h b/include/linux/net.h
index 2b4deeeb8646..dee0b11a8759 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -129,10 +129,9 @@ struct socket_wq {
  *  @type: socket type (%SOCK_STREAM, etc)
  *  @flags: socket flags (%SOCK_ASYNC_NOSPACE, etc)
  *  @ops: protocol specific socket operations
- *  @fasync_list: Asynchronous wake up list
  *  @file: File back pointer for gc
  *  @sk: internal networking protocol agnostic socket representation
- *  @wait: wait queue for several uses
+ *  @wq: wait queue for several uses
  */
 struct socket {
         socket_state            state;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 40291f375024..b21e4054c12c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1656,6 +1656,9 @@ static inline int netif_is_multiqueue(const struct net_device *dev)
         return (dev->num_tx_queues > 1);
 }
 
+extern void netif_set_real_num_tx_queues(struct net_device *dev,
+                                         unsigned int txq);
+
 /* Use this variant when it is known for sure that it
  * is executing from hardware interrupt context or with hardware interrupts
  * disabled.
@@ -2329,7 +2332,7 @@ do {								\
 #endif
 
 #if defined(VERBOSE_DEBUG)
-#define netif_vdbg      netdev_dbg
+#define netif_vdbg      netif_dbg
 #else
 #define netif_vdbg(priv, type, dev, format, args...)            \
 ({                                                              \
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 4eb467910a45..3bedcc149c84 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1261,6 +1261,7 @@
 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE       0x0759
 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_SMBUS     0x07D8
 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP79_SMBUS     0x0AA2
+#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA      0x0D85
 
 #define PCI_VENDOR_ID_IMS               0x10e0
 #define PCI_DEVICE_ID_IMS_TT128         0x9128
diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h
index fe1872e5b37e..7066acb2c530 100644
--- a/include/linux/rbtree.h
+++ b/include/linux/rbtree.h
@@ -110,7 +110,6 @@ struct rb_node
 struct rb_root
 {
         struct rb_node *rb_node;
-        void (*augment_cb)(struct rb_node *node);
 };
 
 
@@ -130,9 +129,7 @@ static inline void rb_set_color(struct rb_node *rb, int color)
         rb->rb_parent_color = (rb->rb_parent_color & ~1) | color;
 }
 
-#define RB_ROOT (struct rb_root) { NULL, NULL, }
-#define RB_AUGMENT_ROOT(x)      (struct rb_root) { NULL, x}
-
+#define RB_ROOT (struct rb_root) { NULL, }
 #define rb_entry(ptr, type, member) container_of(ptr, type, member)
 
 #define RB_EMPTY_ROOT(root)     ((root)->rb_node == NULL)
@@ -142,6 +139,14 @@ static inline void rb_set_color(struct rb_node *rb, int color)
 extern void rb_insert_color(struct rb_node *, struct rb_root *);
 extern void rb_erase(struct rb_node *, struct rb_root *);
 
+typedef void (*rb_augment_f)(struct rb_node *node, void *data);
+
+extern void rb_augment_insert(struct rb_node *node,
+                              rb_augment_f func, void *data);
+extern struct rb_node *rb_augment_erase_begin(struct rb_node *node);
+extern void rb_augment_erase_end(struct rb_node *node,
+                                 rb_augment_f func, void *data);
+
 /* Find logical next and previous nodes in a tree */
 extern struct rb_node *rb_next(const struct rb_node *);
 extern struct rb_node *rb_prev(const struct rb_node *);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index f118809c953f..747fcaedddb7 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -139,7 +139,7 @@ extern int nr_processes(void);
 extern unsigned long nr_running(void);
 extern unsigned long nr_uninterruptible(void);
 extern unsigned long nr_iowait(void);
-extern unsigned long nr_iowait_cpu(void);
+extern unsigned long nr_iowait_cpu(int cpu);
 extern unsigned long this_cpu_load(void);
 
 
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 5e781d824e6d..bc7d6bb4cd8e 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -256,22 +256,22 @@ static inline int hibernate(void) { return -ENOSYS; }
 static inline bool system_entering_hibernation(void) { return false; }
 #endif /* CONFIG_HIBERNATION */
 
-#ifdef CONFIG_HIBERNATION_NVS
-extern int hibernate_nvs_register(unsigned long start, unsigned long size);
-extern int hibernate_nvs_alloc(void);
-extern void hibernate_nvs_free(void);
-extern void hibernate_nvs_save(void);
-extern void hibernate_nvs_restore(void);
-#else /* CONFIG_HIBERNATION_NVS */
-static inline int hibernate_nvs_register(unsigned long a, unsigned long b)
+#ifdef CONFIG_SUSPEND_NVS
+extern int suspend_nvs_register(unsigned long start, unsigned long size);
+extern int suspend_nvs_alloc(void);
+extern void suspend_nvs_free(void);
+extern void suspend_nvs_save(void);
+extern void suspend_nvs_restore(void);
+#else /* CONFIG_SUSPEND_NVS */
+static inline int suspend_nvs_register(unsigned long a, unsigned long b)
 {
         return 0;
 }
-static inline int hibernate_nvs_alloc(void) { return 0; }
-static inline void hibernate_nvs_free(void) {}
-static inline void hibernate_nvs_save(void) {}
-static inline void hibernate_nvs_restore(void) {}
-#endif /* CONFIG_HIBERNATION_NVS */
+static inline int suspend_nvs_alloc(void) { return 0; }
+static inline void suspend_nvs_free(void) {}
+static inline void suspend_nvs_save(void) {}
+static inline void suspend_nvs_restore(void) {}
+#endif /* CONFIG_SUSPEND_NVS */
 
 #ifdef CONFIG_PM_SLEEP
 void save_processor_state(void);
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 9a59d1f98cd4..103d1b61aacb 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -14,6 +14,7 @@
  * See the file COPYING for more details.
  */
 
+#include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/rcupdate.h>
 
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index d63ef8f9609f..c24eca71e80c 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -27,10 +27,6 @@ enum writeback_sync_modes {
  * in a manner such that unspecified fields are set to zero.
  */
 struct writeback_control {
-        struct backing_dev_info *bdi;   /* If !NULL, only write back this
-                                           queue */
-        struct super_block *sb;         /* if !NULL, only write inodes from
-                                           this super_block */
         enum writeback_sync_modes sync_mode;
         unsigned long *older_than_this; /* If !NULL, only write back inodes
                                            older than this */
@@ -66,7 +62,8 @@ int inode_wait(void *);
 void writeback_inodes_sb(struct super_block *);
 int writeback_inodes_sb_if_idle(struct super_block *);
 void sync_inodes_sb(struct super_block *);
-void writeback_inodes_wbc(struct writeback_control *wbc);
+void writeback_inodes_wb(struct bdi_writeback *wb,
+                struct writeback_control *wbc);
 long wb_do_writeback(struct bdi_writeback *wb, int force_wait);
 void wakeup_flusher_threads(long nr_pages);