Merge branch 'v3.1-rc10' into for-3.2/core

Conflicts:
	block/blk-core.c
	include/linux/blkdev.h

Signed-off-by: Jens Axboe <axboe@kernel.dk>

59 files changed, 389 insertions, 140 deletions

diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h
index fb2d63f13f4c..aea9e45efce6 100644
--- a/include/asm-generic/memory_model.h
+++ b/include/asm-generic/memory_model.h
@@ -39,7 +39,7 @@
 })
 
 #define __page_to_pfn(pg)                                               \
-({      struct page *__pg = (pg);                                       \
+({      const struct page *__pg = (pg);                                 \
         struct pglist_data *__pgdat = NODE_DATA(page_to_nid(__pg));     \
         (unsigned long)(__pg - __pgdat->node_mem_map) +                 \
          __pgdat->node_start_pfn;                                       \
@@ -57,7 +57,7 @@
  * section[i].section_mem_map == mem_map's address - start_pfn;
  */
 #define __page_to_pfn(pg)                                       \
-({      struct page *__pg = (pg);                               \
+({      const struct page *__pg = (pg);                         \
         int __sec = page_to_section(__pg);                      \
         (unsigned long)(__pg - __section_mem_map_addr(__nr_to_section(__sec))); \
 })
diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
index 4f76959397fa..f4c38d8c6674 100644
--- a/include/asm-generic/unistd.h
+++ b/include/asm-generic/unistd.h
@@ -143,7 +143,7 @@ __SYSCALL(__NR_pivot_root, sys_pivot_root)
 
 /* fs/nfsctl.c */
 #define __NR_nfsservctl 42
-__SC_COMP(__NR_nfsservctl, sys_nfsservctl, compat_sys_nfsservctl)
+__SYSCALL(__NR_nfsservctl, sys_ni_syscall)
 
 /* fs/open.c */
 #define __NR3264_statfs 43
diff --git a/include/linux/basic_mmio_gpio.h b/include/linux/basic_mmio_gpio.h
index 98999cf107ce..feb912196745 100644
--- a/include/linux/basic_mmio_gpio.h
+++ b/include/linux/basic_mmio_gpio.h
@@ -63,15 +63,10 @@ static inline struct bgpio_chip *to_bgpio_chip(struct gpio_chip *gc)
         return container_of(gc, struct bgpio_chip, gc);
 }
 
-int __devexit bgpio_remove(struct bgpio_chip *bgc);
-int __devinit bgpio_init(struct bgpio_chip *bgc,
-                         struct device *dev,
-                         unsigned long sz,
-                         void __iomem *dat,
-                         void __iomem *set,
-                         void __iomem *clr,
-                         void __iomem *dirout,
-                         void __iomem *dirin,
-                         bool big_endian);
+int bgpio_remove(struct bgpio_chip *bgc);
+int bgpio_init(struct bgpio_chip *bgc, struct device *dev,
+               unsigned long sz, void __iomem *dat, void __iomem *set,
+               void __iomem *clr, void __iomem *dirout, void __iomem *dirin,
+               bool big_endian);
 
 #endif /* __BASIC_MMIO_GPIO_H */
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 6395692b2e7a..71fc53bb8f1c 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -124,8 +124,13 @@ enum rq_flag_bits {
 
         __REQ_SYNC,             /* request is sync (sync write or read) */
         __REQ_META,             /* metadata io request */
+        __REQ_PRIO,             /* boost priority in cfq */
         __REQ_DISCARD,          /* request to discard sectors */
+        __REQ_SECURE,           /* secure discard (used with __REQ_DISCARD) */
+
         __REQ_NOIDLE,           /* don't anticipate more IO after this one */
+        __REQ_FUA,              /* forced unit access */
+        __REQ_FLUSH,            /* request for cache flush */
 
         /* bio only flags */
         __REQ_RAHEAD,           /* read ahead, can fail anytime */
@@ -135,7 +140,6 @@ enum rq_flag_bits {
         /* request only flags */
         __REQ_SORTED,           /* elevator knows about this request */
         __REQ_SOFTBARRIER,      /* may not be passed by ioscheduler */
-        __REQ_FUA,              /* forced unit access */
         __REQ_NOMERGE,          /* don't touch this for merging */
         __REQ_STARTED,          /* drive already may have started this one */
         __REQ_DONTPREP,         /* don't call prep for this one */
@@ -146,11 +150,9 @@ enum rq_flag_bits {
         __REQ_PREEMPT,          /* set for "ide_preempt" requests */
         __REQ_ALLOCED,          /* request came from our alloc pool */
         __REQ_COPY_USER,        /* contains copies of user pages */
-        __REQ_FLUSH,            /* request for cache flush */
         __REQ_FLUSH_SEQ,        /* request for flush sequence */
         __REQ_IO_STAT,          /* account I/O stat */
         __REQ_MIXED_MERGE,      /* merge of different types, fail separately */
-        __REQ_SECURE,           /* secure discard (used with __REQ_DISCARD) */
         __REQ_NR_BITS,          /* stops here */
 };
 
@@ -160,14 +162,15 @@ enum rq_flag_bits {
 #define REQ_FAILFAST_DRIVER     (1 << __REQ_FAILFAST_DRIVER)
 #define REQ_SYNC                (1 << __REQ_SYNC)
 #define REQ_META                (1 << __REQ_META)
+#define REQ_PRIO                (1 << __REQ_PRIO)
 #define REQ_DISCARD             (1 << __REQ_DISCARD)
 #define REQ_NOIDLE              (1 << __REQ_NOIDLE)
 
 #define REQ_FAILFAST_MASK \
         (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER)
 #define REQ_COMMON_MASK \
-        (REQ_WRITE | REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_DISCARD | \
-         REQ_NOIDLE | REQ_FLUSH | REQ_FUA | REQ_SECURE)
+        (REQ_WRITE | REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_PRIO | \
+         REQ_DISCARD | REQ_NOIDLE | REQ_FLUSH | REQ_FUA | REQ_SECURE)
 #define REQ_CLONE_MASK          REQ_COMMON_MASK
 
 #define REQ_RAHEAD              (1 << __REQ_RAHEAD)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 1978655faa3b..0b68044e7abb 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -30,6 +30,7 @@ struct request_pm_state;
 struct blk_trace;
 struct request;
 struct sg_io_hdr;
+struct bsg_job;
 
 #define BLKDEV_MIN_RQ   4
 #define BLKDEV_MAX_RQ   128     /* Default maximum */
@@ -117,6 +118,7 @@ struct request {
                 struct {
                         unsigned int            seq;
                         struct list_head        list;
+                        rq_end_io_fn            *saved_end_io;
                 } flush;
         };
 
@@ -209,6 +211,7 @@ typedef int (merge_bvec_fn) (struct request_queue *, struct bvec_merge_data *,
 typedef void (softirq_done_fn)(struct request *);
 typedef int (dma_drain_needed_fn)(struct request *);
 typedef int (lld_busy_fn) (struct request_queue *q);
+typedef int (bsg_job_fn) (struct bsg_job *);
 
 enum blk_eh_timer_return {
         BLK_EH_NOT_HANDLED,
@@ -375,6 +378,8 @@ struct request_queue {
         struct mutex            sysfs_lock;
 
 #if defined(CONFIG_BLK_DEV_BSG)
+        bsg_job_fn              *bsg_job_fn;
+        int                     bsg_job_size;
         struct bsg_class_device bsg_dev;
 #endif
 
@@ -876,7 +881,6 @@ struct blk_plug {
         struct list_head list; /* requests */
         struct list_head cb_list; /* md requires an unplug callback */
         unsigned int should_sort; /* list to be sorted before flushing? */
-        unsigned int count; /* number of queued requests */
 };
 #define BLK_MAX_REQUEST_COUNT 16
 
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 8c7c2de7631a..8e9e4bc6d73b 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -14,7 +14,7 @@
 enum blktrace_cat {
         BLK_TC_READ     = 1 << 0,       /* reads */
         BLK_TC_WRITE    = 1 << 1,       /* writes */
-        BLK_TC_BARRIER  = 1 << 2,       /* barrier */
+        BLK_TC_FLUSH    = 1 << 2,       /* flush */
         BLK_TC_SYNC     = 1 << 3,       /* sync IO */
         BLK_TC_SYNCIO   = BLK_TC_SYNC,
         BLK_TC_QUEUE    = 1 << 4,       /* queueing/merging */
@@ -28,8 +28,9 @@ enum blktrace_cat {
         BLK_TC_META     = 1 << 12,      /* metadata */
         BLK_TC_DISCARD  = 1 << 13,      /* discard requests */
         BLK_TC_DRV_DATA = 1 << 14,      /* binary per-driver data */
+        BLK_TC_FUA      = 1 << 15,      /* fua requests */
 
-        BLK_TC_END      = 1 << 15,      /* only 16-bits, reminder */
+        BLK_TC_END      = 1 << 15,      /* we've run out of bits! */
 };
 
 #define BLK_TC_SHIFT            (16)
diff --git a/include/linux/bsg-lib.h b/include/linux/bsg-lib.h
new file mode 100644
index 000000000000..f55ab8cdc106
--- /dev/null
+++ b/include/linux/bsg-lib.h
@@ -0,0 +1,73 @@
+/*
+ *  BSG helper library
+ *
+ *  Copyright (C) 2008   James Smart, Emulex Corporation
+ *  Copyright (C) 2011   Red Hat, Inc.  All rights reserved.
+ *  Copyright (C) 2011   Mike Christie
+ *
+ *  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
+ *
+ */
+#ifndef _BLK_BSG_
+#define _BLK_BSG_
+
+#include <linux/blkdev.h>
+
+struct request;
+struct device;
+struct scatterlist;
+struct request_queue;
+
+struct bsg_buffer {
+        unsigned int payload_len;
+        int sg_cnt;
+        struct scatterlist *sg_list;
+};
+
+struct bsg_job {
+        struct device *dev;
+        struct request *req;
+
+        /* Transport/driver specific request/reply structs */
+        void *request;
+        void *reply;
+
+        unsigned int request_len;
+        unsigned int reply_len;
+        /*
+         * On entry : reply_len indicates the buffer size allocated for
+         * the reply.
+         *
+         * Upon completion : the message handler must set reply_len
+         *  to indicates the size of the reply to be returned to the
+         *  caller.
+         */
+
+        /* DMA payloads for the request/response */
+        struct bsg_buffer request_payload;
+        struct bsg_buffer reply_payload;
+
+        void *dd_data;          /* Used for driver-specific storage */
+};
+
+void bsg_job_done(struct bsg_job *job, int result,
+                  unsigned int reply_payload_rcv_len);
+int bsg_setup_queue(struct device *dev, struct request_queue *q, char *name,
+                    bsg_job_fn *job_fn, int dd_job_size);
+void bsg_request_fn(struct request_queue *q);
+void bsg_remove_queue(struct request_queue *q);
+void bsg_goose_queue(struct request_queue *q);
+
+#endif
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 8779405e15a8..c6e7523bf765 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -438,7 +438,6 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
                                  struct compat_timespec __user *tsp,
                                  const compat_sigset_t __user *sigmask,
                                  compat_size_t sigsetsize);
-asmlinkage long compat_sys_nfsservctl(int cmd, void *notused, void *notused2);
 asmlinkage long compat_sys_signalfd4(int ufd,
                                      const compat_sigset_t __user *sigmask,
                                      compat_size_t sigsetsize, int flags);
diff --git a/include/linux/connector.h b/include/linux/connector.h
index 0c69ad825b39..3c9c54fd5690 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -1,7 +1,7 @@
 /*
  *      connector.h
  * 
- * 2004-2005 Copyright (c) Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * 2004-2005 Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
  * All rights reserved.
  * 
  * This program is free software; you can redistribute it and/or modify
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 98f46efbe2d2..40308969ed00 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -269,7 +269,7 @@ static inline void put_cred(const struct cred *_cred)
  * since nobody else can modify it.
  */
 #define current_cred() \
-        (*(__force struct cred **)&current->cred)
+        rcu_dereference_protected(current->cred, 1)
 
 /**
  * __task_cred - Access a task's objective credentials
@@ -307,7 +307,7 @@ static inline void put_cred(const struct cred *_cred)
 #define get_current_user()                              \
 ({                                                      \
         struct user_struct *__u;                        \
-        struct cred *__cred;                            \
+        const struct cred *__cred;                      \
         __cred = current_cred();                        \
         __u = get_uid(__cred->user);                    \
         __u;                                            \
@@ -322,7 +322,7 @@ static inline void put_cred(const struct cred *_cred)
 #define get_current_groups()                            \
 ({                                                      \
         struct group_info *__groups;                    \
-        struct cred *__cred;                            \
+        const struct cred *__cred;                      \
         __cred = current_cred();                        \
         __groups = get_group_info(__cred->group_info);  \
         __groups;                                       \
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 3fa1f3d90ce0..99e3e50b5c57 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -197,6 +197,11 @@ struct dm_target {
          * whether or not its underlying devices have support.
          */
         unsigned discards_supported:1;
+
+        /*
+         * Set if this target does not return zeroes on discarded blocks.
+         */
+        unsigned discard_zeroes_data_unsupported:1;
 };
 
 /* Each target can link one of these into the table */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 178cdb4f1d4a..277f497923a2 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -162,10 +162,8 @@ struct inodes_stat_t {
 #define READA                   RWA_MASK
 
 #define READ_SYNC               (READ | REQ_SYNC)
-#define READ_META               (READ | REQ_META)
 #define WRITE_SYNC              (WRITE | REQ_SYNC | REQ_NOIDLE)
 #define WRITE_ODIRECT           (WRITE | REQ_SYNC)
-#define WRITE_META              (WRITE | REQ_META)
 #define WRITE_FLUSH             (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH)
 #define WRITE_FUA               (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FUA)
 #define WRITE_FLUSH_FUA         (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA)
@@ -2318,6 +2316,11 @@ extern struct inode * iget5_locked(struct super_block *, unsigned long, int (*te
 extern struct inode * iget_locked(struct super_block *, unsigned long);
 extern int insert_inode_locked4(struct inode *, unsigned long, int (*test)(struct inode *, void *), void *);
 extern int insert_inode_locked(struct inode *);
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+extern void lockdep_annotate_inode_mutex_key(struct inode *inode);
+#else
+static inline void lockdep_annotate_inode_mutex_key(struct inode *inode) { };
+#endif
 extern void unlock_new_inode(struct inode *);
 extern unsigned int get_next_ino(void);
 
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index d464de53db43..464cff526860 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -47,6 +47,9 @@
  *  - FUSE_IOCTL_UNRESTRICTED shall now return with array of 'struct
  *    fuse_ioctl_iovec' instead of ambiguous 'struct iovec'
  *  - add FUSE_IOCTL_32BIT flag
+ *
+ * 7.17
+ *  - add FUSE_FLOCK_LOCKS and FUSE_RELEASE_FLOCK_UNLOCK
  */
 
 #ifndef _LINUX_FUSE_H
@@ -78,7 +81,7 @@
 #define FUSE_KERNEL_VERSION 7
 
 /** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 16
+#define FUSE_KERNEL_MINOR_VERSION 17
 
 /** The node ID of the root inode */
 #define FUSE_ROOT_ID 1
@@ -153,8 +156,10 @@ struct fuse_file_lock {
 /**
  * INIT request/reply flags
  *
+ * FUSE_POSIX_LOCKS: remote locking for POSIX file locks
  * FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".."
  * FUSE_DONT_MASK: don't apply umask to file mode on create operations
+ * FUSE_FLOCK_LOCKS: remote locking for BSD style file locks
  */
 #define FUSE_ASYNC_READ         (1 << 0)
 #define FUSE_POSIX_LOCKS        (1 << 1)
@@ -163,6 +168,7 @@ struct fuse_file_lock {
 #define FUSE_EXPORT_SUPPORT     (1 << 4)
 #define FUSE_BIG_WRITES         (1 << 5)
 #define FUSE_DONT_MASK          (1 << 6)
+#define FUSE_FLOCK_LOCKS        (1 << 10)
 
 /**
  * CUSE INIT request/reply flags
@@ -175,6 +181,7 @@ struct fuse_file_lock {
  * Release flags
  */
 #define FUSE_RELEASE_FLUSH      (1 << 0)
+#define FUSE_RELEASE_FLOCK_UNLOCK       (1 << 1)
 
 /**
  * Getattr flags
diff --git a/include/linux/hash.h b/include/linux/hash.h
index 06d25c189cc5..b80506bdd733 100644
--- a/include/linux/hash.h
+++ b/include/linux/hash.h
@@ -63,7 +63,7 @@ static inline u32 hash_32(u32 val, unsigned int bits)
         return hash >> (32 - bits);
 }
 
-static inline unsigned long hash_ptr(void *ptr, unsigned int bits)
+static inline unsigned long hash_ptr(const void *ptr, unsigned int bits)
 {
         return hash_long((unsigned long)ptr, bits);
 }
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 87a06f345bd2..59517300a315 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -23,6 +23,7 @@
 #include <linux/errno.h>
 #include <linux/topology.h>
 #include <linux/wait.h>
+#include <linux/module.h>
 
 #include <asm/irq.h>
 #include <asm/ptrace.h>
@@ -547,7 +548,15 @@ static inline struct msi_desc *irq_data_get_msi(struct irq_data *d)
         return d->msi_desc;
 }
 
-int irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node);
+int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node,
+                struct module *owner);
+
+static inline int irq_alloc_descs(int irq, unsigned int from, unsigned int cnt,
+                int node)
+{
+        return __irq_alloc_descs(irq, from, cnt, node, THIS_MODULE);
+}
+
 void irq_free_descs(unsigned int irq, unsigned int cnt);
 int irq_reserve_irqs(unsigned int from, unsigned int cnt);
 
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 2d921b35212c..150134ac709a 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -66,6 +66,7 @@ struct irq_desc {
 #ifdef CONFIG_PROC_FS
         struct proc_dir_entry   *dir;
 #endif
+        struct module           *owner;
         const char              *name;
 } ____cacheline_internodealigned_in_smp;
 
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index e807ad687a07..3ad553e8eae2 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -80,6 +80,7 @@ extern void irq_domain_del(struct irq_domain *domain);
 #endif /* CONFIG_IRQ_DOMAIN */
 
 #if defined(CONFIG_IRQ_DOMAIN) && defined(CONFIG_OF_IRQ)
+extern struct irq_domain_ops irq_domain_simple_ops;
 extern void irq_domain_add_simple(struct device_node *controller, int irq_base);
 extern void irq_domain_generate_simple(const struct of_device_id *match,
                                         u64 phys_base, unsigned int irq_start);
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 2c366b52f505..aace6b8691a2 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -553,6 +553,7 @@ struct kvm_ppc_pvinfo {
 #define KVM_CAP_SPAPR_TCE 63
 #define KVM_CAP_PPC_SMT 64
 #define KVM_CAP_PPC_RMA 65
+#define KVM_CAP_S390_GMAP 71
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
diff --git a/include/linux/loop.h b/include/linux/loop.h
index 66c194e2d9b9..683d69890119 100644
--- a/include/linux/loop.h
+++ b/include/linux/loop.h
@@ -64,7 +64,6 @@ struct loop_device {
 
         struct request_queue    *lo_queue;
         struct gendisk          *lo_disk;
-        struct list_head        lo_list;
 };
 
 #endif /* __KERNEL__ */
@@ -161,4 +160,8 @@ int loop_unregister_transfer(int number);
 #define LOOP_CHANGE_FD          0x4C06
 #define LOOP_SET_CAPACITY       0x4C07
 
+/* /dev/loop-control interface */
+#define LOOP_CTL_ADD            0x4C80
+#define LOOP_CTL_REMOVE         0x4C81
+#define LOOP_CTL_GET_FREE       0x4C82
 #endif
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 3b535db00a94..343bd7661f2a 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -39,16 +39,6 @@ extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
                                         struct mem_cgroup *mem_cont,
                                         int active, int file);
 
-struct memcg_scanrecord {
-        struct mem_cgroup *mem; /* scanend memory cgroup */
-        struct mem_cgroup *root; /* scan target hierarchy root */
-        int context;            /* scanning context (see memcontrol.c) */
-        unsigned long nr_scanned[2]; /* the number of scanned pages */
-        unsigned long nr_rotated[2]; /* the number of rotated pages */
-        unsigned long nr_freed[2]; /* the number of freed pages */
-        unsigned long elapsed; /* nsec of time elapsed while scanning */
-};
-
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR
 /*
  * All "charge" functions with gfp_mask should use GFP_KERNEL or
@@ -127,15 +117,6 @@ mem_cgroup_get_reclaim_stat_from_page(struct page *page);
 extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
                                         struct task_struct *p);
 
-extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem,
-                                                  gfp_t gfp_mask, bool noswap,
-                                                  struct memcg_scanrecord *rec);
-extern unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
-                                                gfp_t gfp_mask, bool noswap,
-                                                struct zone *zone,
-                                                struct memcg_scanrecord *rec,
-                                                unsigned long *nr_scanned);
-
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
 extern int do_swap_account;
 #endif
diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h
index d12f8d635a81..97cf4f27d647 100644
--- a/include/linux/mfd/wm8994/pdata.h
+++ b/include/linux/mfd/wm8994/pdata.h
@@ -26,7 +26,7 @@ struct wm8994_ldo_pdata {
         struct regulator_init_data *init_data;
 };
 
-#define WM8994_CONFIGURE_GPIO 0x8000
+#define WM8994_CONFIGURE_GPIO 0x10000
 
 #define WM8994_DRC_REGS 5
 #define WM8994_EQ_REGS  20
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index 18fd13028ba1..c309b1ecdc1c 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -40,6 +40,7 @@
 #define BTRFS_MINOR             234
 #define AUTOFS_MINOR            235
 #define MAPPER_CTRL_MINOR       236
+#define LOOP_CTRL_MINOR         237
 #define MISC_DYNAMIC_MINOR      255
 
 struct device;
diff --git a/include/linux/mm.h b/include/linux/mm.h
index f2690cf49827..7438071b44aa 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -685,7 +685,7 @@ static inline void set_page_section(struct page *page, unsigned long section)
         page->flags |= (section & SECTIONS_MASK) << SECTIONS_PGSHIFT;
 }
 
-static inline unsigned long page_to_section(struct page *page)
+static inline unsigned long page_to_section(const struct page *page)
 {
         return (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK;
 }
@@ -720,7 +720,7 @@ static inline void set_page_links(struct page *page, enum zone_type zone,
 
 static __always_inline void *lowmem_page_address(const struct page *page)
 {
-        return __va(PFN_PHYS(page_to_pfn((struct page *)page)));
+        return __va(PFN_PHYS(page_to_pfn(page)));
 }
 
 #if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL)
@@ -737,7 +737,7 @@ static __always_inline void *lowmem_page_address(const struct page *page)
 #endif
 
 #if defined(HASHED_PAGE_VIRTUAL)
-void *page_address(struct page *page);
+void *page_address(const struct page *page);
 void set_page_address(struct page *page, void *virtual);
 void page_address_init(void);
 #endif
@@ -962,6 +962,8 @@ int invalidate_inode_page(struct page *page);
 #ifdef CONFIG_MMU
 extern int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
                         unsigned long address, unsigned int flags);
+extern int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,
+                            unsigned long address, unsigned int fault_flags);
 #else
 static inline int handle_mm_fault(struct mm_struct *mm,
                         struct vm_area_struct *vma, unsigned long address,
@@ -971,6 +973,14 @@ static inline int handle_mm_fault(struct mm_struct *mm,
         BUG();
         return VM_FAULT_SIGBUS;
 }
+static inline int fixup_user_fault(struct task_struct *tsk,
+                struct mm_struct *mm, unsigned long address,
+                unsigned int fault_flags)
+{
+        /* should never happen if there's no MMU */
+        BUG();
+        return -EFAULT;
+}
 #endif
 
 extern int make_pages_present(unsigned long addr, unsigned long end);
@@ -988,8 +998,6 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
 int get_user_pages_fast(unsigned long start, int nr_pages, int write,
                         struct page **pages);
 struct page *get_dump_page(unsigned long addr);
-extern int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,
-                            unsigned long address, unsigned int fault_flags);
 
 extern int try_to_release_page(struct page * page, gfp_t gfp_mask);
 extern void do_invalidatepage(struct page *page, unsigned long offset);
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 0f83858147a6..1d09562ccf73 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -56,8 +56,6 @@ struct mmc_ios {
 #define MMC_TIMING_UHS_SDR104   4
 #define MMC_TIMING_UHS_DDR50    5
 
-        unsigned char   ddr;                    /* dual data rate used */
-
 #define MMC_SDR_MODE            0
 #define MMC_1_2V_DDR_MODE       1
 #define MMC_1_8V_DDR_MODE       2
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 76fe2c62ae71..409328d1cbbb 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -48,11 +48,12 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND};
  */
 #define LOOKUP_FOLLOW           0x0001
 #define LOOKUP_DIRECTORY        0x0002
+#define LOOKUP_AUTOMOUNT        0x0004
 
 #define LOOKUP_PARENT           0x0010
 #define LOOKUP_REVAL            0x0020
 #define LOOKUP_RCU              0x0040
-#define LOOKUP_NO_AUTOMOUNT     0x0080
+
 /*
  * Intent data
  */
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 2e17c5dbdcb8..180540a84d37 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -29,7 +29,7 @@
 #define MAX_LINKS 32            
 
 struct sockaddr_nl {
-        sa_family_t     nl_family;      /* AF_NETLINK   */
+        __kernel_sa_family_t    nl_family;      /* AF_NETLINK   */
         unsigned short  nl_pad;         /* zero         */
         __u32           nl_pid;         /* port ID      */
         __u32           nl_groups;      /* multicast groups mask */
diff --git a/include/linux/of.h b/include/linux/of.h
index 0085bb01c041..9180dc5cb00b 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -256,6 +256,13 @@ static inline int of_property_read_string(struct device_node *np,
         return -ENOSYS;
 }
 
+static inline const void *of_get_property(const struct device_node *node,
+                                const char *name,
+                                int *lenp)
+{
+        return NULL;
+}
+
 #endif /* CONFIG_OF */
 
 static inline int of_property_read_u32(const struct device_node *np,
diff --git a/include/linux/pci.h b/include/linux/pci.h
index f27893b3b724..9fc01226055b 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -251,7 +251,8 @@ struct pci_dev {
         u8              revision;       /* PCI revision, low byte of class word */
         u8              hdr_type;       /* PCI header type (`multi' flag masked out) */
         u8              pcie_cap;       /* PCI-E capability offset */
-        u8              pcie_type;      /* PCI-E device/port type */
+        u8              pcie_type:4;    /* PCI-E device/port type */
+        u8              pcie_mpss:3;    /* PCI-E Max Payload Size Supported */
         u8              rom_base_reg;   /* which config register controls the ROM */
         u8              pin;            /* which interrupt pin this device uses */
 
@@ -617,6 +618,17 @@ struct pci_driver {
 /* these external functions are only available when PCI support is enabled */
 #ifdef CONFIG_PCI
 
+extern void pcie_bus_configure_settings(struct pci_bus *bus, u8 smpss);
+
+enum pcie_bus_config_types {
+        PCIE_BUS_TUNE_OFF,
+        PCIE_BUS_SAFE,
+        PCIE_BUS_PERFORMANCE,
+        PCIE_BUS_PEER2PEER,
+};
+
+extern enum pcie_bus_config_types pcie_bus_config;
+
 extern struct bus_type pci_bus_type;
 
 /* Do NOT directly access these two variables, unless you are arch specific pci
@@ -796,10 +808,13 @@ int pcix_get_mmrbc(struct pci_dev *dev);
 int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc);
 int pcie_get_readrq(struct pci_dev *dev);
 int pcie_set_readrq(struct pci_dev *dev, int rq);
+int pcie_get_mps(struct pci_dev *dev);
+int pcie_set_mps(struct pci_dev *dev, int mps);
 int __pci_reset_function(struct pci_dev *dev);
 int pci_reset_function(struct pci_dev *dev);
 void pci_update_resource(struct pci_dev *dev, int resno);
 int __must_check pci_assign_resource(struct pci_dev *dev, int i);
+int __must_check pci_reassign_resource(struct pci_dev *dev, int i, resource_size_t add_size, resource_size_t align);
 int pci_select_bars(struct pci_dev *dev, unsigned long flags);
 
 /* ROM control related routines */
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 245bafdafd5e..c816075c01ce 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -944,8 +944,10 @@ extern void perf_pmu_unregister(struct pmu *pmu);
 
 extern int perf_num_counters(void);
 extern const char *perf_pmu_name(void);
-extern void __perf_event_task_sched_in(struct task_struct *task);
-extern void __perf_event_task_sched_out(struct task_struct *task, struct task_struct *next);
+extern void __perf_event_task_sched_in(struct task_struct *prev,
+                                       struct task_struct *task);
+extern void __perf_event_task_sched_out(struct task_struct *prev,
+                                        struct task_struct *next);
 extern int perf_event_init_task(struct task_struct *child);
 extern void perf_event_exit_task(struct task_struct *child);
 extern void perf_event_free_task(struct task_struct *task);
@@ -1059,17 +1061,20 @@ perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
 
 extern struct jump_label_key perf_sched_events;
 
-static inline void perf_event_task_sched_in(struct task_struct *task)
+static inline void perf_event_task_sched_in(struct task_struct *prev,
+                                            struct task_struct *task)
 {
         if (static_branch(&perf_sched_events))
-                __perf_event_task_sched_in(task);
+                __perf_event_task_sched_in(prev, task);
 }
 
-static inline void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next)
+static inline void perf_event_task_sched_out(struct task_struct *prev,
+                                             struct task_struct *next)
 {
         perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, NULL, 0);
 
-        __perf_event_task_sched_out(task, next);
+        if (static_branch(&perf_sched_events))
+                __perf_event_task_sched_out(prev, next);
 }
 
 extern void perf_event_mmap(struct vm_area_struct *vma);
@@ -1139,10 +1144,11 @@ extern void perf_event_disable(struct perf_event *event);
 extern void perf_event_task_tick(void);
 #else
 static inline void
-perf_event_task_sched_in(struct task_struct *task)                      { }
+perf_event_task_sched_in(struct task_struct *prev,
+                         struct task_struct *task)                      { }
 static inline void
-perf_event_task_sched_out(struct task_struct *task,
-                            struct task_struct *next)                   { }
+perf_event_task_sched_out(struct task_struct *prev,
+                          struct task_struct *next)                     { }
 static inline int perf_event_init_task(struct task_struct *child)       { return 0; }
 static inline void perf_event_exit_task(struct task_struct *child)      { }
 static inline void perf_event_free_task(struct task_struct *task)       { }
diff --git a/include/linux/personality.h b/include/linux/personality.h
index eec3bae164d4..8fc7dd1a57ff 100644
--- a/include/linux/personality.h
+++ b/include/linux/personality.h
@@ -22,6 +22,7 @@ extern int		__set_personality(unsigned int);
  * These occupy the top three bytes.
  */
 enum {
+        UNAME26 =               0x0020000,
         ADDR_NO_RANDOMIZE =     0x0040000,      /* disable randomization of VA space */
         FDPIC_FUNCPTRS =        0x0080000,      /* userspace function ptrs point to descriptors
                                                  * (signal handling)
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 21097cb086fe..f9ec1736a116 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -72,8 +72,6 @@ extern int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd,
 extern void pm_genpd_init(struct generic_pm_domain *genpd,
                           struct dev_power_governor *gov, bool is_off);
 extern int pm_genpd_poweron(struct generic_pm_domain *genpd);
-extern void pm_genpd_poweroff_unused(void);
-extern void genpd_queue_power_off_work(struct generic_pm_domain *genpd);
 #else
 static inline int pm_genpd_add_device(struct generic_pm_domain *genpd,
                                       struct device *dev)
@@ -101,8 +99,14 @@ static inline int pm_genpd_poweron(struct generic_pm_domain *genpd)
 {
         return -ENOSYS;
 }
-static inline void pm_genpd_poweroff_unused(void) {}
+#endif
+
+#ifdef CONFIG_PM_GENERIC_DOMAINS_RUNTIME
+extern void genpd_queue_power_off_work(struct generic_pm_domain *genpd);
+extern void pm_genpd_poweroff_unused(void);
+#else
 static inline void genpd_queue_power_off_work(struct generic_pm_domain *gpd) {}
+static inline void pm_genpd_poweroff_unused(void) {}
 #endif
 
 #endif /* _LINUX_PM_DOMAIN_H */
diff --git a/include/linux/ptp_classify.h b/include/linux/ptp_classify.h
index e07e2742a865..1dc420ba213a 100644
--- a/include/linux/ptp_classify.h
+++ b/include/linux/ptp_classify.h
@@ -51,6 +51,7 @@
 #define PTP_CLASS_V2_VLAN (PTP_CLASS_V2 | PTP_CLASS_VLAN)
 
 #define PTP_EV_PORT 319
+#define PTP_GEN_BIT 0x08 /* indicates general message, if set in message type */
 
 #define OFF_ETYPE       12
 #define OFF_IHL         14
@@ -116,14 +117,20 @@ static inline int ptp_filter_init(struct sock_filter *f, int len)
         {OP_OR,         0,   0, PTP_CLASS_IPV6          }, /*              */ \
         {OP_RETA,       0,   0, 0                       }, /*              */ \
 /*L3x*/ {OP_RETK,       0,   0, PTP_CLASS_NONE          }, /*              */ \
-/*L40*/ {OP_JEQ,        0,   6, ETH_P_8021Q             }, /* f goto L50   */ \
+/*L40*/ {OP_JEQ,        0,   9, ETH_P_8021Q             }, /* f goto L50   */ \
         {OP_LDH,        0,   0, OFF_ETYPE + 4           }, /*              */ \
-        {OP_JEQ,        0,   9, ETH_P_1588              }, /* f goto L60   */ \
+        {OP_JEQ,        0,  15, ETH_P_1588              }, /* f goto L60   */ \
+        {OP_LDB,        0,   0, ETH_HLEN + VLAN_HLEN    }, /*              */ \
+        {OP_AND,        0,   0, PTP_GEN_BIT             }, /*              */ \
+        {OP_JEQ,        0,  12, 0                       }, /* f goto L6x   */ \
         {OP_LDH,        0,   0, ETH_HLEN + VLAN_HLEN    }, /*              */ \
         {OP_AND,        0,   0, PTP_CLASS_VMASK         }, /*              */ \
         {OP_OR,         0,   0, PTP_CLASS_VLAN          }, /*              */ \
         {OP_RETA,       0,   0, 0                       }, /*              */ \
-/*L50*/ {OP_JEQ,        0,   4, ETH_P_1588              }, /* f goto L61   */ \
+/*L50*/ {OP_JEQ,        0,   7, ETH_P_1588              }, /* f goto L61   */ \
+        {OP_LDB,        0,   0, ETH_HLEN                }, /*              */ \
+        {OP_AND,        0,   0, PTP_GEN_BIT             }, /*              */ \
+        {OP_JEQ,        0,   4, 0                       }, /* f goto L6x   */ \
         {OP_LDH,        0,   0, ETH_HLEN                }, /*              */ \
         {OP_AND,        0,   0, PTP_CLASS_VMASK         }, /*              */ \
         {OP_OR,         0,   0, PTP_CLASS_L2            }, /*              */ \
diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h
index 5e3e25a3c9c3..63d2df43e61a 100644
--- a/include/linux/pwm_backlight.h
+++ b/include/linux/pwm_backlight.h
@@ -14,6 +14,7 @@ struct platform_pwm_backlight_data {
         unsigned int pwm_period_ns;
         int (*init)(struct device *dev);
         int (*notify)(struct device *dev, int brightness);
+        void (*notify_after)(struct device *dev, int brightness);
         void (*exit)(struct device *dev);
         int (*check_fb)(struct device *dev, struct fb_info *info);
 };
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 26f6ea4444e3..b47771aa5718 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -123,7 +123,7 @@ struct regulator_bulk_data {
         const char *supply;
         struct regulator *consumer;
 
-        /* Internal use */
+        /* private: Internal use */
         int ret;
 };
 
diff --git a/include/linux/rio_regs.h b/include/linux/rio_regs.h
index 9026b30238f3..218168a2b5e9 100644
--- a/include/linux/rio_regs.h
+++ b/include/linux/rio_regs.h
@@ -36,12 +36,12 @@
 #define  RIO_PEF_PROCESSOR              0x20000000      /* [I] Processor */
 #define  RIO_PEF_SWITCH                 0x10000000      /* [I] Switch */
 #define  RIO_PEF_MULTIPORT              0x08000000      /* [VI, 2.1] Multiport */
-#define  RIO_PEF_INB_MBOX               0x00f00000      /* [II] Mailboxes */
-#define  RIO_PEF_INB_MBOX0              0x00800000      /* [II] Mailbox 0 */
-#define  RIO_PEF_INB_MBOX1              0x00400000      /* [II] Mailbox 1 */
-#define  RIO_PEF_INB_MBOX2              0x00200000      /* [II] Mailbox 2 */
-#define  RIO_PEF_INB_MBOX3              0x00100000      /* [II] Mailbox 3 */
-#define  RIO_PEF_INB_DOORBELL           0x00080000      /* [II] Doorbells */
+#define  RIO_PEF_INB_MBOX               0x00f00000      /* [II, <= 1.2] Mailboxes */
+#define  RIO_PEF_INB_MBOX0              0x00800000      /* [II, <= 1.2] Mailbox 0 */
+#define  RIO_PEF_INB_MBOX1              0x00400000      /* [II, <= 1.2] Mailbox 1 */
+#define  RIO_PEF_INB_MBOX2              0x00200000      /* [II, <= 1.2] Mailbox 2 */
+#define  RIO_PEF_INB_MBOX3              0x00100000      /* [II, <= 1.2] Mailbox 3 */
+#define  RIO_PEF_INB_DOORBELL           0x00080000      /* [II, <= 1.2] Doorbells */
 #define  RIO_PEF_EXT_RT                 0x00000200      /* [III, 1.3] Extended route table support */
 #define  RIO_PEF_STD_RT                 0x00000100      /* [III, 1.3] Standard route table support */
 #define  RIO_PEF_CTLS                   0x00000010      /* [III] CTLS */
@@ -102,7 +102,7 @@
 #define RIO_SWITCH_RT_LIMIT     0x34    /* [III, 1.3] Switch Route Table Destination ID Limit CAR */
 #define  RIO_RT_MAX_DESTID              0x0000ffff
 
-#define RIO_MBOX_CSR            0x40    /* [II] Mailbox CSR */
+#define RIO_MBOX_CSR            0x40    /* [II, <= 1.2] Mailbox CSR */
 #define  RIO_MBOX0_AVAIL                0x80000000      /* [II] Mbox 0 avail */
 #define  RIO_MBOX0_FULL                 0x40000000      /* [II] Mbox 0 full */
 #define  RIO_MBOX0_EMPTY                0x20000000      /* [II] Mbox 0 empty */
@@ -128,8 +128,8 @@
 #define  RIO_MBOX3_FAIL                 0x00000008      /* [II] Mbox 3 fail */
 #define  RIO_MBOX3_ERROR                0x00000004      /* [II] Mbox 3 error */
 
-#define RIO_WRITE_PORT_CSR      0x44    /* [I] Write Port CSR */
-#define RIO_DOORBELL_CSR        0x44    /* [II] Doorbell CSR */
+#define RIO_WRITE_PORT_CSR      0x44    /* [I, <= 1.2] Write Port CSR */
+#define RIO_DOORBELL_CSR        0x44    /* [II, <= 1.2] Doorbell CSR */
 #define  RIO_DOORBELL_AVAIL             0x80000000      /* [II] Doorbell avail */
 #define  RIO_DOORBELL_FULL              0x40000000      /* [II] Doorbell full */
 #define  RIO_DOORBELL_EMPTY             0x20000000      /* [II] Doorbell empty */
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index b27ebea25660..93f4d035076b 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -97,6 +97,9 @@ struct rtc_pll_info {
 #define RTC_AF 0x20     /* Alarm interrupt */
 #define RTC_UF 0x10     /* Update interrupt for 1Hz RTC */
 
+
+#define RTC_MAX_FREQ    8192
+
 #ifdef __KERNEL__
 
 #include <linux/types.h>
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 20b03bf94748..41d0237fd449 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1767,6 +1767,7 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *
 #define PF_DUMPCORE     0x00000200      /* dumped core */
 #define PF_SIGNALED     0x00000400      /* killed by a signal */
 #define PF_MEMALLOC     0x00000800      /* Allocating memory */
+#define PF_NPROC_EXCEEDED 0x00001000    /* set_user noticed that RLIMIT_NPROC was exceeded */
 #define PF_USED_MATH    0x00002000      /* if unset the fpu must be initialized before use */
 #define PF_FREEZING     0x00004000      /* freeze in progress. do not account to load */
 #define PF_NOFREEZE     0x00008000      /* this thread should not be frozen */
@@ -1955,7 +1956,6 @@ static inline void disable_sched_clock_irqtime(void) {}
 
 extern unsigned long long
 task_sched_runtime(struct task_struct *task);
-extern unsigned long long thread_group_sched_runtime(struct task_struct *task);
 
 /* sched_exec is called by processes performing an exec */
 #ifdef CONFIG_SMP
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 7b996ed86d5b..8bd383caa363 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -524,6 +524,7 @@ static inline struct sk_buff *alloc_skb_fclone(unsigned int size,
 extern bool skb_recycle_check(struct sk_buff *skb, int skb_size);
 
 extern struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src);
+extern int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask);
 extern struct sk_buff *skb_clone(struct sk_buff *skb,
                                  gfp_t priority);
 extern struct sk_buff *skb_copy(const struct sk_buff *skb,
diff --git a/include/linux/snmp.h b/include/linux/snmp.h
index 12b2b18e50c1..e16557a357e5 100644
--- a/include/linux/snmp.h
+++ b/include/linux/snmp.h
@@ -231,6 +231,8 @@ enum
         LINUX_MIB_TCPDEFERACCEPTDROP,
         LINUX_MIB_IPRPFILTER, /* IP Reverse Path Filter (rp_filter) */
         LINUX_MIB_TCPTIMEWAITOVERFLOW,          /* TCPTimeWaitOverflow */
+        LINUX_MIB_TCPREQQFULLDOCOOKIES,         /* TCPReqQFullDoCookies */
+        LINUX_MIB_TCPREQQFULLDROP,              /* TCPReqQFullDrop */
         __LINUX_MIB_MAX
 };
 
diff --git a/include/linux/socket.h b/include/linux/socket.h
index e17f82266639..d0e77f607a79 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -8,8 +8,10 @@
 #define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *))
                                 /* Implementation specific desired alignment */
 
+typedef unsigned short __kernel_sa_family_t;
+
 struct __kernel_sockaddr_storage {
-        unsigned short  ss_family;              /* address family */
+        __kernel_sa_family_t    ss_family;              /* address family */
         /* Following field(s) are implementation specific */
         char            __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
                                 /* space to achieve desired size, */
@@ -35,7 +37,7 @@ struct seq_file;
 extern void socket_seq_show(struct seq_file *seq);
 #endif
 
-typedef unsigned short  sa_family_t;
+typedef __kernel_sa_family_t    sa_family_t;
 
 /*
  *      1003.1g requires sa_family_t and that sa_data is char.
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 14d62490922e..c71f84bb62ec 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -252,6 +252,12 @@ static inline void lru_cache_add_file(struct page *page)
 extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
                                         gfp_t gfp_mask, nodemask_t *mask);
 extern int __isolate_lru_page(struct page *page, int mode, int file);
+extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem,
+                                                  gfp_t gfp_mask, bool noswap);
+extern unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
+                                                gfp_t gfp_mask, bool noswap,
+                                                struct zone *zone,
+                                                unsigned long *nr_scanned);
 extern unsigned long shrink_all_memory(unsigned long nr_pages);
 extern int vm_swappiness;
 extern int remove_mapping(struct address_space *mapping, struct page *page);
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 8c03b98df5f9..1ff0ec2a5e8d 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -702,9 +702,6 @@ asmlinkage long sys_sysctl(struct __sysctl_args __user *args);
 asmlinkage long sys_sysinfo(struct sysinfo __user *info);
 asmlinkage long sys_sysfs(int option,
                                 unsigned long arg1, unsigned long arg2);
-asmlinkage long sys_nfsservctl(int cmd,
-                                struct nfsctl_arg __user *arg,
-                                void __user *res);
 asmlinkage long sys_syslog(int type, char __user *buf, int len);
 asmlinkage long sys_uselib(const char __user *library);
 asmlinkage long sys_ni_syscall(void);
diff --git a/include/linux/ti_wilink_st.h b/include/linux/ti_wilink_st.h
index b004e557caa9..2ef4385da6bf 100644
--- a/include/linux/ti_wilink_st.h
+++ b/include/linux/ti_wilink_st.h
@@ -410,7 +410,28 @@ struct gps_event_hdr {
         u16 plen;
 } __attribute__ ((packed));
 
-/* platform data */
+/**
+ * struct ti_st_plat_data - platform data shared between ST driver and
+ *      platform specific board file which adds the ST device.
+ * @nshutdown_gpio: Host's GPIO line to which chip's BT_EN is connected.
+ * @dev_name: The UART/TTY name to which chip is interfaced. (eg: /dev/ttyS1)
+ * @flow_cntrl: Should always be 1, since UART's CTS/RTS is used for PM
+ *      purposes.
+ * @baud_rate: The baud rate supported by the Host UART controller, this will
+ *      be shared across with the chip via a HCI VS command from User-Space Init
+ *      Mgr application.
+ * @suspend:
+ * @resume: legacy PM routines hooked to platform specific board file, so as
+ *      to take chip-host interface specific action.
+ * @chip_enable:
+ * @chip_disable: Platform/Interface specific mux mode setting, GPIO
+ *      configuring, Host side PM disabling etc.. can be done here.
+ * @chip_asleep:
+ * @chip_awake: Chip specific deep sleep states is communicated to Host
+ *      specific board-xx.c to take actions such as cut UART clocks when chip
+ *      asleep or run host faster when chip awake etc..
+ *
+ */
 struct ti_st_plat_data {
         long nshutdown_gpio;
         unsigned char dev_name[UART_DEV_NAME_LEN]; /* uart name */
@@ -418,6 +439,10 @@ struct ti_st_plat_data {
         unsigned long baud_rate;
         int (*suspend)(struct platform_device *, pm_message_t);
         int (*resume)(struct platform_device *);
+        int (*chip_enable) (struct kim_data_s *);
+        int (*chip_disable) (struct kim_data_s *);
+        int (*chip_asleep) (struct kim_data_s *);
+        int (*chip_awake) (struct kim_data_s *);
 };
 
 #endif /* TI_WILINK_ST_H */
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 44bc0c5617e1..5f2ede82b3d6 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -421,6 +421,8 @@ extern void tty_driver_flush_buffer(struct tty_struct *tty);
 extern void tty_throttle(struct tty_struct *tty);
 extern void tty_unthrottle(struct tty_struct *tty);
 extern int tty_do_resize(struct tty_struct *tty, struct winsize *ws);
+extern void tty_driver_remove_tty(struct tty_driver *driver,
+                                  struct tty_struct *tty);
 extern void tty_shutdown(struct tty_struct *tty);
 extern void tty_free_termios(struct tty_struct *tty);
 extern int is_current_pgrp_orphaned(void);
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 9deeac855240..ecdaeb98b293 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -47,6 +47,9 @@
  *
  *      This routine is called synchronously when a particular tty device
  *      is closed for the last time freeing up the resources.
+ *      Note that tty_shutdown() is not called if ops->shutdown is defined.
+ *      This means one is responsible to take care of calling ops->remove (e.g.
+ *      via tty_driver_remove_tty) and releasing tty->termios.
  *
  *
  * void (*cleanup)(struct tty_struct * tty);
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index f1bfa12ea246..2b8963ff0f35 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -12,15 +12,6 @@
  *
  *      (thresh - thresh/DIRTY_FULL_SCOPE, thresh)
  *
- * The 1/16 region above the global dirty limit will be put to maximum pauses:
- *
- *      (limit, limit + limit/DIRTY_MAXPAUSE_AREA)
- *
- * The 1/16 region above the max-pause region, dirty exceeded bdi's will be put
- * to loops:
- *
- *      (limit + limit/DIRTY_MAXPAUSE_AREA, limit + limit/DIRTY_PASSGOOD_AREA)
- *
  * Further beyond, all dirtier tasks will enter a loop waiting (possibly long
  * time) for the dirty pages to drop, unless written enough pages.
  *
@@ -31,8 +22,6 @@
  */
 #define DIRTY_SCOPE             8
 #define DIRTY_FULL_SCOPE        (DIRTY_SCOPE / 2)
-#define DIRTY_MAXPAUSE_AREA             16
-#define DIRTY_PASSGOOD_AREA             8
 
 /*
  * 4MB minimal write chunk size
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index 342dcf13d039..a6326ef8ade6 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -288,6 +288,35 @@ enum p9_perm_t {
         P9_DMSETVTX = 0x00010000,
 };
 
+/* 9p2000.L open flags */
+#define P9_DOTL_RDONLY        00000000
+#define P9_DOTL_WRONLY        00000001
+#define P9_DOTL_RDWR          00000002
+#define P9_DOTL_NOACCESS      00000003
+#define P9_DOTL_CREATE        00000100
+#define P9_DOTL_EXCL          00000200
+#define P9_DOTL_NOCTTY        00000400
+#define P9_DOTL_TRUNC         00001000
+#define P9_DOTL_APPEND        00002000
+#define P9_DOTL_NONBLOCK      00004000
+#define P9_DOTL_DSYNC         00010000
+#define P9_DOTL_FASYNC        00020000
+#define P9_DOTL_DIRECT        00040000
+#define P9_DOTL_LARGEFILE     00100000
+#define P9_DOTL_DIRECTORY     00200000
+#define P9_DOTL_NOFOLLOW      00400000
+#define P9_DOTL_NOATIME       01000000
+#define P9_DOTL_CLOEXEC       02000000
+#define P9_DOTL_SYNC          04000000
+
+/* 9p2000.L at flags */
+#define P9_DOTL_AT_REMOVEDIR            0x200
+
+/* 9p2000.L lock type */
+#define P9_LOCK_TYPE_RDLCK 0
+#define P9_LOCK_TYPE_WRLCK 1
+#define P9_LOCK_TYPE_UNLCK 2
+
 /**
  * enum p9_qid_t - QID types
  * @P9_QTDIR: directory
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index d17f47fc9e31..401d73bd151f 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1744,6 +1744,8 @@ struct wiphy_wowlan_support {
  *      by default for perm_addr. In this case, the mask should be set to
  *      all-zeroes. In this case it is assumed that the device can handle
  *      the same number of arbitrary MAC addresses.
+ * @registered: protects ->resume and ->suspend sysfs callbacks against
+ *      unregister hardware
  * @debugfsdir: debugfs directory used for this wiphy, will be renamed
  *      automatically on wiphy renames
  * @dev: (virtual) struct device for this wiphy
@@ -1865,6 +1867,9 @@ struct wiphy {
          * you need use set_wiphy_dev() (see below) */
         struct device dev;
 
+        /* protects ->resume, ->suspend sysfs callbacks against unregister hw */
+        bool registered;
+
         /* dir in debugfs: ieee80211/<wiphyname> */
         struct dentry *debugfsdir;
 
diff --git a/include/net/flow.h b/include/net/flow.h
index 78113daadd63..a09447749e2d 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -7,6 +7,7 @@
 #ifndef _NET_FLOW_H
 #define _NET_FLOW_H
 
+#include <linux/socket.h>
 #include <linux/in6.h>
 #include <linux/atomic.h>
 
@@ -68,7 +69,7 @@ struct flowi4 {
 #define fl4_ipsec_spi           uli.spi
 #define fl4_mh_type             uli.mht.type
 #define fl4_gre_key             uli.gre_key
-};
+} __attribute__((__aligned__(BITS_PER_LONG/8)));
 
 static inline void flowi4_init_output(struct flowi4 *fl4, int oif,
                                       __u32 mark, __u8 tos, __u8 scope,
@@ -112,7 +113,7 @@ struct flowi6 {
 #define fl6_ipsec_spi           uli.spi
 #define fl6_mh_type             uli.mht.type
 #define fl6_gre_key             uli.gre_key
-};
+} __attribute__((__aligned__(BITS_PER_LONG/8)));
 
 struct flowidn {
         struct flowi_common     __fl_common;
@@ -127,7 +128,7 @@ struct flowidn {
         union flowi_uli         uli;
 #define fld_sport               uli.ports.sport
 #define fld_dport               uli.ports.dport
-};
+} __attribute__((__aligned__(BITS_PER_LONG/8)));
 
 struct flowi {
         union {
@@ -161,6 +162,24 @@ static inline struct flowi *flowidn_to_flowi(struct flowidn *fldn)
         return container_of(fldn, struct flowi, u.dn);
 }
 
+typedef unsigned long flow_compare_t;
+
+static inline size_t flow_key_size(u16 family)
+{
+        switch (family) {
+        case AF_INET:
+                BUILD_BUG_ON(sizeof(struct flowi4) % sizeof(flow_compare_t));
+                return sizeof(struct flowi4) / sizeof(flow_compare_t);
+        case AF_INET6:
+                BUILD_BUG_ON(sizeof(struct flowi6) % sizeof(flow_compare_t));
+                return sizeof(struct flowi6) / sizeof(flow_compare_t);
+        case AF_DECnet:
+                BUILD_BUG_ON(sizeof(struct flowidn) % sizeof(flow_compare_t));
+                return sizeof(struct flowidn) / sizeof(flow_compare_t);
+        }
+        return 0;
+}
+
 #define FLOW_DIR_IN     0
 #define FLOW_DIR_OUT    1
 #define FLOW_DIR_FWD    2
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index caaff5f5f39f..b897d6e6d0a5 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -238,7 +238,7 @@ static inline __u8 inet_sk_flowi_flags(const struct sock *sk)
 {
         __u8 flags = 0;
 
-        if (inet_sk(sk)->transparent)
+        if (inet_sk(sk)->transparent || inet_sk(sk)->hdrincl)
                 flags |= FLOWI_FLAG_ANYSRC;
         if (sk->sk_protocol == IPPROTO_TCP)
                 flags |= FLOWI_FLAG_PRECOW_METRICS;
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index 99e6e19b57c2..4c0766e201e3 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -96,7 +96,8 @@ extern int sysctl_max_syn_backlog;
  */
 struct listen_sock {
         u8                      max_qlen_log;
-        /* 3 bytes hole, try to use */
+        u8                      synflood_warned;
+        /* 2 bytes hole, try to use */
         int                     qlen;
         int                     qlen_young;
         int                     clock_hand;
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index 6506458ccd33..712b3bebeda7 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -109,6 +109,7 @@ typedef enum {
         SCTP_CMD_SEND_MSG,       /* Send the whole use message */
         SCTP_CMD_SEND_NEXT_ASCONF, /* Send the next ASCONF after ACK */
         SCTP_CMD_PURGE_ASCONF_QUEUE, /* Purge all asconf queues.*/
+        SCTP_CMD_SET_ASOC,       /* Restore association context */
         SCTP_CMD_LAST
 } sctp_verb_t;
 
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 149a415d1e0a..acc620a4a45f 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -431,17 +431,34 @@ extern int tcp_disconnect(struct sock *sk, int flags);
 extern __u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS];
 extern struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb, 
                                     struct ip_options *opt);
+#ifdef CONFIG_SYN_COOKIES
 extern __u32 cookie_v4_init_sequence(struct sock *sk, struct sk_buff *skb, 
                                      __u16 *mss);
+#else
+static inline __u32 cookie_v4_init_sequence(struct sock *sk,
+                                            struct sk_buff *skb,
+                                            __u16 *mss)
+{
+        return 0;
+}
+#endif
 
 extern __u32 cookie_init_timestamp(struct request_sock *req);
 extern bool cookie_check_timestamp(struct tcp_options_received *opt, bool *);
 
 /* From net/ipv6/syncookies.c */
 extern struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb);
+#ifdef CONFIG_SYN_COOKIES
 extern __u32 cookie_v6_init_sequence(struct sock *sk, struct sk_buff *skb,
                                      __u16 *mss);
-
+#else
+static inline __u32 cookie_v6_init_sequence(struct sock *sk,
+                                            struct sk_buff *skb,
+                                            __u16 *mss)
+{
+        return 0;
+}
+#endif
 /* tcp_output.c */
 
 extern void __tcp_push_pending_frames(struct sock *sk, unsigned int cur_mss,
@@ -460,6 +477,9 @@ extern int tcp_write_wakeup(struct sock *);
 extern void tcp_send_fin(struct sock *sk);
 extern void tcp_send_active_reset(struct sock *sk, gfp_t priority);
 extern int tcp_send_synack(struct sock *);
+extern int tcp_syn_flood_action(struct sock *sk,
+                                const struct sk_buff *skb,
+                                const char *proto);
 extern void tcp_push_one(struct sock *, unsigned int mss_now);
 extern void tcp_send_ack(struct sock *sk);
 extern void tcp_send_delayed_ack(struct sock *sk);
diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h
index 5271a741c3a3..498433dd067d 100644
--- a/include/net/transp_v6.h
+++ b/include/net/transp_v6.h
@@ -39,6 +39,7 @@ extern int			datagram_recv_ctl(struct sock *sk,
                                                   struct sk_buff *skb);
 
 extern int                      datagram_send_ctl(struct net *net,
+                                                  struct sock *sk,
                                                   struct msghdr *msg,
                                                   struct flowi6 *fl6,
                                                   struct ipv6_txoptions *opt,
diff --git a/include/sound/tlv320aic3x.h b/include/sound/tlv320aic3x.h
index 99e0308bf2c2..ffd9bc793105 100644
--- a/include/sound/tlv320aic3x.h
+++ b/include/sound/tlv320aic3x.h
@@ -1,7 +1,7 @@
 /*
  * Platform data for Texas Instruments TLV320AIC3x codec
  *
- * Author: Jarkko Nikula <jhnikula@gmail.com>
+ * Author: Jarkko Nikula <jarkko.nikula@bitmer.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
diff --git a/include/sound/wm8915.h b/include/sound/wm8996.h
index 5817d762f6f3..ea4d88f43975 100644
--- a/include/sound/wm8915.h
+++ b/include/sound/wm8996.h
@@ -1,5 +1,5 @@
 /*
- * linux/sound/wm8915.h -- Platform data for WM8915
+ * linux/sound/wm8996.h -- Platform data for WM8996
  *
  * Copyright 2011 Wolfson Microelectronics. PLC.
  *
@@ -8,14 +8,14 @@
  * published by the Free Software Foundation.
  */
 
-#ifndef __LINUX_SND_WM8903_H
-#define __LINUX_SND_WM8903_H
+#ifndef __LINUX_SND_WM8996_H
+#define __LINUX_SND_WM8996_H
 
-enum wm8915_inmode {
-        WM8915_DIFFERRENTIAL_1 = 0,   /* IN1xP - IN1xN */
-        WM8915_INVERTING = 1,         /* IN1xN */
-        WM8915_NON_INVERTING = 2,     /* IN1xP */
-        WM8915_DIFFERENTIAL_2 = 3,    /* IN2xP - IN2xP */
+enum wm8996_inmode {
+        WM8996_DIFFERRENTIAL_1 = 0,   /* IN1xP - IN1xN */
+        WM8996_INVERTING = 1,         /* IN1xN */
+        WM8996_NON_INVERTING = 2,     /* IN1xP */
+        WM8996_DIFFERENTIAL_2 = 3,    /* IN2xP - IN2xP */
 };
 
 /**
@@ -25,23 +25,23 @@ enum wm8915_inmode {
  * Configurations are expected to be generated using the ReTune Mobile
  * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
  */
-struct wm8915_retune_mobile_config {
+struct wm8996_retune_mobile_config {
         const char *name;
         int rate;
         u16 regs[20];
 };
 
-#define WM8915_SET_DEFAULT 0x10000
+#define WM8996_SET_DEFAULT 0x10000
 
-struct wm8915_pdata {
+struct wm8996_pdata {
         int irq_flags;  /** Set IRQ trigger flags; default active low */
 
         int ldo_ena;  /** GPIO for LDO1; -1 for none */
 
         int micdet_def;  /** Default MICDET_SRC/HP1FB_SRC/MICD_BIAS */
 
-        enum wm8915_inmode inl_mode;
-        enum wm8915_inmode inr_mode;
+        enum wm8996_inmode inl_mode;
+        enum wm8996_inmode inr_mode;
 
         u32 spkmute_seq;  /** Value for register 0x802 */
 
@@ -49,7 +49,7 @@ struct wm8915_pdata {
         u32 gpio_default[5];
 
         int num_retune_mobile_cfgs;
-        struct wm8915_retune_mobile_config *retune_mobile_cfgs;
+        struct wm8996_retune_mobile_config *retune_mobile_cfgs;
 };
 
 #endif
diff --git a/include/target/target_core_fabric_ops.h b/include/target/target_core_fabric_ops.h
index 2de8fe907596..126c675f4f14 100644
--- a/include/target/target_core_fabric_ops.h
+++ b/include/target/target_core_fabric_ops.h
@@ -27,6 +27,12 @@ struct target_core_fabric_ops {
         int (*tpg_check_demo_mode_cache)(struct se_portal_group *);
         int (*tpg_check_demo_mode_write_protect)(struct se_portal_group *);
         int (*tpg_check_prod_mode_write_protect)(struct se_portal_group *);
+        /*
+         * Optionally used by fabrics to allow demo-mode login, but not
+         * expose any TPG LUNs, and return 'not connected' in standard
+         * inquiry response
+         */
+        int (*tpg_check_demo_mode_login_only)(struct se_portal_group *);
         struct se_node_acl *(*tpg_alloc_fabric_acl)(
                                         struct se_portal_group *);
         void (*tpg_release_fabric_acl)(struct se_portal_group *,
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index bf366547da25..05c5e61f0a7c 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -8,6 +8,8 @@
 #include <linux/blkdev.h>
 #include <linux/tracepoint.h>
 
+#define RWBS_LEN        8
+
 DECLARE_EVENT_CLASS(block_rq_with_error,
 
         TP_PROTO(struct request_queue *q, struct request *rq),
@@ -19,7 +21,7 @@ DECLARE_EVENT_CLASS(block_rq_with_error,
                 __field(  sector_t,     sector                  )
                 __field(  unsigned int, nr_sector               )
                 __field(  int,          errors                  )
-                __array(  char,         rwbs,   6               )
+                __array(  char,         rwbs,   RWBS_LEN        )
                 __dynamic_array( char,  cmd,    blk_cmd_buf_len(rq)     )
         ),
 
@@ -104,7 +106,7 @@ DECLARE_EVENT_CLASS(block_rq,
                 __field(  sector_t,     sector                  )
                 __field(  unsigned int, nr_sector               )
                 __field(  unsigned int, bytes                   )
-                __array(  char,         rwbs,   6               )
+                __array(  char,         rwbs,   RWBS_LEN        )
                 __array(  char,         comm,   TASK_COMM_LEN   )
                 __dynamic_array( char,  cmd,    blk_cmd_buf_len(rq)     )
         ),
@@ -183,7 +185,7 @@ TRACE_EVENT(block_bio_bounce,
                 __field( dev_t,         dev                     )
                 __field( sector_t,      sector                  )
                 __field( unsigned int,  nr_sector               )
-                __array( char,          rwbs,   6               )
+                __array( char,          rwbs,   RWBS_LEN        )
                 __array( char,          comm,   TASK_COMM_LEN   )
         ),
 
@@ -222,7 +224,7 @@ TRACE_EVENT(block_bio_complete,
                 __field( sector_t,      sector          )
                 __field( unsigned,      nr_sector       )
                 __field( int,           error           )
-                __array( char,          rwbs,   6       )
+                __array( char,          rwbs,   RWBS_LEN)
         ),
 
         TP_fast_assign(
@@ -249,7 +251,7 @@ DECLARE_EVENT_CLASS(block_bio,
                 __field( dev_t,         dev                     )
                 __field( sector_t,      sector                  )
                 __field( unsigned int,  nr_sector               )
-                __array( char,          rwbs,   6               )
+                __array( char,          rwbs,   RWBS_LEN        )
                 __array( char,          comm,   TASK_COMM_LEN   )
         ),
 
@@ -321,7 +323,7 @@ DECLARE_EVENT_CLASS(block_get_rq,
                 __field( dev_t,         dev                     )
                 __field( sector_t,      sector                  )
                 __field( unsigned int,  nr_sector               )
-                __array( char,          rwbs,   6               )
+                __array( char,          rwbs,   RWBS_LEN        )
                 __array( char,          comm,   TASK_COMM_LEN   )
         ),
 
@@ -456,7 +458,7 @@ TRACE_EVENT(block_split,
                 __field( dev_t,         dev                             )
                 __field( sector_t,      sector                          )
                 __field( sector_t,      new_sector                      )
-                __array( char,          rwbs,           6               )
+                __array( char,          rwbs,           RWBS_LEN        )
                 __array( char,          comm,           TASK_COMM_LEN   )
         ),
 
@@ -498,7 +500,7 @@ TRACE_EVENT(block_bio_remap,
                 __field( unsigned int,  nr_sector       )
                 __field( dev_t,         old_dev         )
                 __field( sector_t,      old_sector      )
-                __array( char,          rwbs,   6       )
+                __array( char,          rwbs,   RWBS_LEN)
         ),
 
         TP_fast_assign(
@@ -542,7 +544,7 @@ TRACE_EVENT(block_rq_remap,
                 __field( unsigned int,  nr_sector       )
                 __field( dev_t,         old_dev         )
                 __field( sector_t,      old_sector      )
-                __array( char,          rwbs,   6       )
+                __array( char,          rwbs,   RWBS_LEN)
         ),
 
         TP_fast_assign(
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 6bca4cc0063c..5f172703eb4f 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -298,7 +298,7 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template,
                 __array(char, name, 32)
                 __field(unsigned long, ino)
                 __field(unsigned long, state)
-                __field(unsigned long, age)
+                __field(unsigned long, dirtied_when)
                 __field(unsigned long, writeback_index)
                 __field(long, nr_to_write)
                 __field(unsigned long, wrote)
@@ -309,19 +309,19 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template,
                         dev_name(inode->i_mapping->backing_dev_info->dev), 32);
                 __entry->ino            = inode->i_ino;
                 __entry->state          = inode->i_state;
-                __entry->age            = (jiffies - inode->dirtied_when) *
-                                                                1000 / HZ;
+                __entry->dirtied_when   = inode->dirtied_when;
                 __entry->writeback_index = inode->i_mapping->writeback_index;
                 __entry->nr_to_write    = nr_to_write;
                 __entry->wrote          = nr_to_write - wbc->nr_to_write;
         ),
 
-        TP_printk("bdi %s: ino=%lu state=%s age=%lu "
+        TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu "
                   "index=%lu to_write=%ld wrote=%lu",
                   __entry->name,
                   __entry->ino,
                   show_inode_state(__entry->state),
-                  __entry->age,
+                  __entry->dirtied_when,
+                  (jiffies - __entry->dirtied_when) / HZ,
                   __entry->writeback_index,
                   __entry->nr_to_write,
                   __entry->wrote