Merge "Merge android-4.4.188 (886d085) into msm-4.4"

12 files changed, 43 insertions, 31 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 3672893b275e..6a30f1e03aa9 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -226,7 +226,10 @@ void acpi_set_irq_model(enum acpi_irq_model_id model,
 #ifdef CONFIG_X86_IO_APIC
 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
 #else
-#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
+static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
+{
+	return -1;
+}
 #endif
 /*
  * This function undoes the effect of one call to acpi_register_gsi().
diff --git a/include/linux/coda.h b/include/linux/coda.h
index d30209b9cef8..0ca0c83fdb1c 100644
--- a/include/linux/coda.h
+++ b/include/linux/coda.h
@@ -58,8 +58,7 @@ Mellon the rights to redistribute these changes without encumbrance.
 #ifndef _CODA_HEADER_
 #define _CODA_HEADER_
 
-#if defined(__linux__)
 typedef unsigned long long u_quad_t;
-#endif
+
 #include <uapi/linux/coda.h>
 #endif 
diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h
index 5b8721efa948..fe1466daf291 100644
--- a/include/linux/coda_psdev.h
+++ b/include/linux/coda_psdev.h
@@ -19,6 +19,17 @@ struct venus_comm {
 	struct mutex	    vc_mutex;
 };
 
+/* messages between coda filesystem in kernel and Venus */
+struct upc_req {
+	struct list_head	uc_chain;
+	caddr_t			uc_data;
+	u_short			uc_flags;
+	u_short			uc_inSize;  /* Size is at most 5000 bytes */
+	u_short			uc_outSize;
+	u_short			uc_opcode;  /* copied from data to save lookup */
+	int			uc_unique;
+	wait_queue_head_t	uc_sleep;   /* process' wait queue */
+};
 
 static inline struct venus_comm *coda_vcp(struct super_block *sb)
 {
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 9e120c92551b..d2db1da3036c 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -153,7 +153,11 @@ struct cred {
 	struct user_struct *user;	/* real user ID subscription */
 	struct user_namespace *user_ns; /* user_ns the caps and keyrings are relative to. */
 	struct group_info *group_info;	/* supplementary groups for euid/fsgid */
-	struct rcu_head	rcu;		/* RCU deletion hook */
+	/* RCU deletion */
+	union {
+		int non_rcu;			/* Can we skip RCU deletion? */
+		struct rcu_head	rcu;		/* RCU deletion hook */
+	};
 };
 
 extern void __put_cred(struct cred *);
@@ -251,6 +255,7 @@ static inline const struct cred *get_cred(const struct cred *cred)
 {
 	struct cred *nonconst_cred = (struct cred *) cred;
 	validate_creds(cred);
+	nonconst_cred->non_rcu = 0;
 	return get_new_cred(nonconst_cred);
 }
 
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 638b324f0291..92ad08a29884 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -97,7 +97,7 @@ struct elevator_type
 	struct module *elevator_owner;
 
 	/* managed by elevator core */
-	char icq_cache_name[ELV_NAME_MAX + 5];	/* elvname + "_io_cq" */
+	char icq_cache_name[ELV_NAME_MAX + 6];	/* elvname + "_io_cq" */
 	struct list_head list;
 };
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7493e807f073..66360a2f97bc 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -3141,4 +3141,7 @@ static inline bool dir_relax(struct inode *inode)
 extern bool path_noexec(const struct path *path);
 extern void inode_nohighmem(struct inode *inode);
 
+int vfs_ioc_setflags_prepare(struct inode *inode, unsigned int oldflags,
+			     unsigned int flags);
+
 #endif /* _LINUX_FS_H */
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index addd03641e1a..0a93e9d1708e 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -852,7 +852,7 @@ static inline void rcu_preempt_sleep_check(void)
  * read-side critical sections may be preempted and they may also block, but
  * only when acquiring spinlocks that are subject to priority inheritance.
  */
-static inline void rcu_read_lock(void)
+static __always_inline void rcu_read_lock(void)
 {
 	__rcu_read_lock();
 	__acquire(RCU);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 2378cbf2612d..a05e1e82ecf3 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2149,7 +2149,7 @@ extern int arch_task_struct_size __read_mostly;
 extern void task_numa_fault(int last_node, int node, int pages, int flags);
 extern pid_t task_numa_group_id(struct task_struct *p);
 extern void set_numabalancing_state(bool enabled);
-extern void task_numa_free(struct task_struct *p);
+extern void task_numa_free(struct task_struct *p, bool final);
 extern bool should_numa_migrate_memory(struct task_struct *p, struct page *page,
 					int src_nid, int dst_cpu);
 #else
@@ -2164,7 +2164,7 @@ static inline pid_t task_numa_group_id(struct task_struct *p)
 static inline void set_numabalancing_state(bool enabled)
 {
 }
-static inline void task_numa_free(struct task_struct *p)
+static inline void task_numa_free(struct task_struct *p, bool final)
 {
 }
 static inline bool should_numa_migrate_memory(struct task_struct *p,
diff --git a/include/net/tcp.h b/include/net/tcp.h
index b9b5bc27b844..bafb7e8737dc 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1461,6 +1461,11 @@ struct sock *tcp_try_fastopen(struct sock *sk, struct sk_buff *skb,
 void tcp_fastopen_init_key_once(bool publish);
 #define TCP_FASTOPEN_KEY_LENGTH 16
 
+static inline void tcp_init_send_head(struct sock *sk)
+{
+	sk->sk_send_head = NULL;
+}
+
 /* Fastopen key context */
 struct tcp_fastopen_context {
 	struct crypto_cipher	*tfm;
@@ -1477,6 +1482,7 @@ static inline void tcp_write_queue_purge(struct sock *sk)
 		sk_wmem_free_skb(sk, skb);
 	sk_mem_reclaim(sk);
 	tcp_clear_all_retrans_hints(tcp_sk(sk));
+	tcp_init_send_head(sk);
 	inet_csk(sk)->icsk_backoff = 0;
 }
 
@@ -1538,11 +1544,6 @@ static inline void tcp_check_send_head(struct sock *sk, struct sk_buff *skb_unli
 		tcp_sk(sk)->highest_sack = NULL;
 }
 
-static inline void tcp_init_send_head(struct sock *sk)
-{
-	sk->sk_send_head = NULL;
-}
-
 static inline void __tcp_add_write_queue_tail(struct sock *sk, struct sk_buff *skb)
 {
 	__skb_queue_tail(&sk->sk_write_queue, skb);
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index e84cbb11fe7f..b6850fe5465f 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -1016,8 +1016,8 @@ DECLARE_EVENT_CLASS(f2fs__submit_page_bio,
 	),
 
 	TP_fast_assign(
-		__entry->dev		= page->mapping->host->i_sb->s_dev;
-		__entry->ino		= page->mapping->host->i_ino;
+		__entry->dev		= page_file_mapping(page)->host->i_sb->s_dev;
+		__entry->ino		= page_file_mapping(page)->host->i_ino;
 		__entry->index		= page->index;
 		__entry->old_blkaddr	= fio->old_blkaddr;
 		__entry->new_blkaddr	= fio->new_blkaddr;
@@ -1204,10 +1204,11 @@ DECLARE_EVENT_CLASS(f2fs__page,
 	),
 
 	TP_fast_assign(
-		__entry->dev	= page->mapping->host->i_sb->s_dev;
-		__entry->ino	= page->mapping->host->i_ino;
+		__entry->dev	= page_file_mapping(page)->host->i_sb->s_dev;
+		__entry->ino	= page_file_mapping(page)->host->i_ino;
 		__entry->type	= type;
-		__entry->dir	= S_ISDIR(page->mapping->host->i_mode);
+		__entry->dir	=
+			S_ISDIR(page_file_mapping(page)->host->i_mode);
 		__entry->index	= page->index;
 		__entry->dirty	= PageDirty(page);
 		__entry->uptodate = PageUptodate(page);
diff --git a/include/uapi/linux/coda_psdev.h b/include/uapi/linux/coda_psdev.h
index 79d05981fc4b..e2c44d2f7d5b 100644
--- a/include/uapi/linux/coda_psdev.h
+++ b/include/uapi/linux/coda_psdev.h
@@ -6,19 +6,6 @@
 #define CODA_PSDEV_MAJOR 67
 #define MAX_CODADEVS  5	   /* how many do we allow */
 
-
-/* messages between coda filesystem in kernel and Venus */
-struct upc_req {
-	struct list_head    uc_chain;
-	caddr_t	            uc_data;
-	u_short	            uc_flags;
-	u_short             uc_inSize;  /* Size is at most 5000 bytes */
-	u_short	            uc_outSize;
-	u_short	            uc_opcode;  /* copied from data to save lookup */
-	int		    uc_unique;
-	wait_queue_head_t   uc_sleep;   /* process' wait queue */
-};
-
 #define CODA_REQ_ASYNC  0x1
 #define CODA_REQ_READ   0x2
 #define CODA_REQ_WRITE  0x4
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index d122ea5338d1..c66b52303114 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -239,6 +239,7 @@ struct fscrypt_key {
 #define FS_NOCOMP_FL			0x00000400 /* Don't compress */
 #define FS_ECOMPR_FL			0x00000800 /* Compression error */
 /* End compression flags --- maybe not all used */
+#define FS_ENCRYPT_FL			0x00000800 /* Encrypted file */
 #define FS_BTREE_FL			0x00001000 /* btree format dir */
 #define FS_INDEX_FL			0x00001000 /* hash-indexed directory */
 #define FS_IMAGIC_FL			0x00002000 /* AFS directory */
@@ -249,6 +250,7 @@ struct fscrypt_key {
 #define FS_EXTENT_FL			0x00080000 /* Extents */
 #define FS_DIRECTIO_FL			0x00100000 /* Use direct i/o */
 #define FS_NOCOW_FL			0x00800000 /* Do not cow file */
+#define FS_INLINE_DATA_FL		0x10000000 /* Reserved for ext4 */
 #define FS_PROJINHERIT_FL		0x20000000 /* Create with parents projid */
 #define FS_RESERVED_FL			0x80000000 /* reserved for ext2 lib */