Merge branch 'bugfixes' into nfs-for-next

21 files changed, 128 insertions, 36 deletions

diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index eba66043cf1b..e8bcc4742e0e 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -499,9 +499,10 @@ typedef u64 acpi_integer;
 #define ACPI_STATE_D0                   (u8) 0
 #define ACPI_STATE_D1                   (u8) 1
 #define ACPI_STATE_D2                   (u8) 2
-#define ACPI_STATE_D3                   (u8) 3
-#define ACPI_STATE_D3_COLD              (u8) 4
-#define ACPI_D_STATES_MAX               ACPI_STATE_D3_COLD
+#define ACPI_STATE_D3_HOT               (u8) 3
+#define ACPI_STATE_D3                   (u8) 4
+#define ACPI_STATE_D3_COLD              ACPI_STATE_D3
+#define ACPI_D_STATES_MAX               ACPI_STATE_D3
 #define ACPI_D_STATE_COUNT              5
 
 #define ACPI_STATE_C0                   (u8) 0
diff --git a/include/asm-generic/statfs.h b/include/asm-generic/statfs.h
index 0fd28e028de1..c749af9c0983 100644
--- a/include/asm-generic/statfs.h
+++ b/include/asm-generic/statfs.h
@@ -15,7 +15,7 @@ typedef __kernel_fsid_t	fsid_t;
  * with a 10' pole.
  */
 #ifndef __statfs_word
-#if BITS_PER_LONG == 64
+#if __BITS_PER_LONG == 64
 #define __statfs_word long
 #else
 #define __statfs_word __u32
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 88ec80670d5f..ec45ccd8708a 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -554,7 +554,18 @@ extern int __init efi_setup_pcdp_console(char *);
 #define EFI_VARIABLE_NON_VOLATILE       0x0000000000000001
 #define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002
 #define EFI_VARIABLE_RUNTIME_ACCESS     0x0000000000000004
-
+#define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x0000000000000008
+#define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x0000000000000010
+#define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x0000000000000020
+#define EFI_VARIABLE_APPEND_WRITE	0x0000000000000040
+
+#define EFI_VARIABLE_MASK 	(EFI_VARIABLE_NON_VOLATILE | \
+				EFI_VARIABLE_BOOTSERVICE_ACCESS | \
+				EFI_VARIABLE_RUNTIME_ACCESS | \
+				EFI_VARIABLE_HARDWARE_ERROR_RECORD | \
+				EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS | \
+				EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS | \
+				EFI_VARIABLE_APPEND_WRITE)
 /*
  * The type of search to perform when calling boottime->locate_handle
  */
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index 8a1835855faa..fe5136d81454 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -159,7 +159,8 @@ static inline void eth_hw_addr_random(struct net_device *dev)
  * @addr1: Pointer to a six-byte array containing the Ethernet address
  * @addr2: Pointer other six-byte array containing the Ethernet address
  *
- * Compare two ethernet addresses, returns 0 if equal
+ * Compare two ethernet addresses, returns 0 if equal, non-zero otherwise.
+ * Unlike memcmp(), it doesn't return a value suitable for sorting.
  */
 static inline unsigned compare_ether_addr(const u8 *addr1, const u8 *addr2)
 {
@@ -184,10 +185,10 @@ static inline unsigned long zap_last_2bytes(unsigned long value)
  * @addr1: Pointer to an array of 8 bytes
  * @addr2: Pointer to an other array of 8 bytes
  *
- * Compare two ethernet addresses, returns 0 if equal.
- * Same result than "memcmp(addr1, addr2, ETH_ALEN)" but without conditional
- * branches, and possibly long word memory accesses on CPU allowing cheap
- * unaligned memory reads.
+ * Compare two ethernet addresses, returns 0 if equal, non-zero otherwise.
+ * Unlike memcmp(), it doesn't return a value suitable for sorting.
+ * The function doesn't need any conditional branches and possibly uses
+ * word memory accesses on CPU allowing cheap unaligned memory reads.
  * arrays = { byte1, byte2, byte3, byte4, byte6, byte7, pad1, pad2}
  *
  * Please note that alignment of addr1 & addr2 is only guaranted to be 16 bits.
diff --git a/include/linux/gpio-pxa.h b/include/linux/gpio-pxa.h
index 05071ee34c3f..d755b28ba635 100644
--- a/include/linux/gpio-pxa.h
+++ b/include/linux/gpio-pxa.h
@@ -13,4 +13,8 @@ extern int pxa_last_gpio;
 
 extern int pxa_irq_to_gpio(int irq);
 
+struct pxa_gpio_platform_data {
+	int (*gpio_set_wake)(unsigned int gpio, unsigned int on);
+};
+
 #endif /* __GPIO_PXA_H */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 42378d637ffb..e926df7b54c9 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -996,7 +996,8 @@ extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev,
 extern void ata_sas_port_destroy(struct ata_port *);
 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
 					   struct ata_port_info *, struct Scsi_Host *);
-extern int ata_sas_async_port_init(struct ata_port *);
+extern void ata_sas_async_probe(struct ata_port *ap);
+extern int ata_sas_sync_probe(struct ata_port *ap);
 extern int ata_sas_port_init(struct ata_port *);
 extern int ata_sas_port_start(struct ata_port *ap);
 extern void ata_sas_port_stop(struct ata_port *ap);
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 5cbaa20f1659..33900a53c990 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1403,15 +1403,6 @@ static inline bool netdev_uses_dsa_tags(struct net_device *dev)
 	return 0;
 }
 
-#ifndef CONFIG_NET_NS
-static inline void skb_set_dev(struct sk_buff *skb, struct net_device *dev)
-{
-	skb->dev = dev;
-}
-#else /* CONFIG_NET_NS */
-void skb_set_dev(struct sk_buff *skb, struct net_device *dev);
-#endif
-
 static inline bool netdev_uses_trailer_tags(struct net_device *dev)
 {
 #ifdef CONFIG_NET_DSA_TAG_TRAILER
diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h
index 0ddd161f3b06..31d2844e6572 100644
--- a/include/linux/netfilter_bridge.h
+++ b/include/linux/netfilter_bridge.h
@@ -104,9 +104,18 @@ struct bridge_skb_cb {
 	} daddr;
 };
 
+static inline void br_drop_fake_rtable(struct sk_buff *skb)
+{
+	struct dst_entry *dst = skb_dst(skb);
+
+	if (dst && (dst->flags & DST_FAKE_RTABLE))
+		skb_dst_drop(skb);
+}
+
 #else
 #define nf_bridge_maybe_copy_header(skb)	(0)
 #define nf_bridge_pad(skb)			(0)
+#define br_drop_fake_rtable(skb)	        do { } while (0)
 #endif /* CONFIG_BRIDGE_NETFILTER */
 
 #endif /* __KERNEL__ */
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 6d626ff0cfd0..e1ac1ce16fb0 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -6,6 +6,7 @@
 #define PIPE_BUF_FLAG_LRU	0x01	/* page is on the LRU */
 #define PIPE_BUF_FLAG_ATOMIC	0x02	/* was atomically mapped */
 #define PIPE_BUF_FLAG_GIFT	0x04	/* page is a gift */
+#define PIPE_BUF_FLAG_PACKET	0x08	/* read() as a packet */
 
 /**
  *	struct pipe_buffer - a linux kernel pipe buffer
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index c6db9fb33c44..600060e25ec6 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -141,7 +141,7 @@ static inline unsigned __read_seqcount_begin(const seqcount_t *s)
 	unsigned ret;
 
 repeat:
-	ret = s->sequence;
+	ret = ACCESS_ONCE(s->sequence);
 	if (unlikely(ret & 1)) {
 		cpu_relax();
 		goto repeat;
@@ -166,6 +166,27 @@ static inline unsigned read_seqcount_begin(const seqcount_t *s)
 }
 
 /**
+ * raw_seqcount_begin - begin a seq-read critical section
+ * @s: pointer to seqcount_t
+ * Returns: count to be passed to read_seqcount_retry
+ *
+ * raw_seqcount_begin opens a read critical section of the given seqcount.
+ * Validity of the critical section is tested by checking read_seqcount_retry
+ * function.
+ *
+ * Unlike read_seqcount_begin(), this function will not wait for the count
+ * to stabilize. If a writer is active when we begin, we will fail the
+ * read_seqcount_retry() instead of stabilizing at the beginning of the
+ * critical section.
+ */
+static inline unsigned raw_seqcount_begin(const seqcount_t *s)
+{
+	unsigned ret = ACCESS_ONCE(s->sequence);
+	smp_rmb();
+	return ret & ~1;
+}
+
+/**
  * __read_seqcount_retry - end a seq-read critical section (without barrier)
  * @s: pointer to seqcount_t
  * @start: count, from read_seqcount_begin
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 775292a66fa4..111f26b6e28b 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1020,7 +1020,7 @@ static inline void skb_queue_splice(const struct sk_buff_head *list,
 }
 
 /**
- *	skb_queue_splice - join two skb lists and reinitialise the emptied list
+ *	skb_queue_splice_init - join two skb lists and reinitialise the emptied list
  *	@list: the new list to add
  *	@head: the place to add it in the first list
  *
@@ -1051,7 +1051,7 @@ static inline void skb_queue_splice_tail(const struct sk_buff_head *list,
 }
 
 /**
- *	skb_queue_splice_tail - join two skb lists and reinitialise the emptied list
+ *	skb_queue_splice_tail_init - join two skb lists and reinitialise the emptied list
  *	@list: the new list to add
  *	@head: the place to add it in the first list
  *
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 98679b061b63..fa702aeb5038 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -254,7 +254,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
  *	driver is finished with this message, it must call
  *	spi_finalize_current_message() so the subsystem can issue the next
  *	transfer
- * @prepare_transfer_hardware: there are currently no more messages on the
+ * @unprepare_transfer_hardware: there are currently no more messages on the
  *	queue so the subsystem notifies the driver that it may relax the
  *	hardware by issuing this call
  *
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 5de415707c23..d28cc78a38e4 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -126,6 +126,8 @@ struct usb_hcd {
 	unsigned		wireless:1;	/* Wireless USB HCD */
 	unsigned		authorized_default:1;
 	unsigned		has_tt:1;	/* Integrated TT in root hub */
+	unsigned		broken_pci_sleep:1;	/* Don't put the
+			controller in PCI-D3 for system sleep */
 
 	unsigned int		irq;		/* irq allocated */
 	void __iomem		*regs;		/* device memory/io */
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index 03b90cdc1921..06f8e3858251 100644
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -26,13 +26,14 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
 		PGFREE, PGACTIVATE, PGDEACTIVATE,
 		PGFAULT, PGMAJFAULT,
 		FOR_ALL_ZONES(PGREFILL),
-		FOR_ALL_ZONES(PGSTEAL),
+		FOR_ALL_ZONES(PGSTEAL_KSWAPD),
+		FOR_ALL_ZONES(PGSTEAL_DIRECT),
 		FOR_ALL_ZONES(PGSCAN_KSWAPD),
 		FOR_ALL_ZONES(PGSCAN_DIRECT),
 #ifdef CONFIG_NUMA
 		PGSCAN_ZONE_RECLAIM_FAILED,
 #endif
-		PGINODESTEAL, SLABS_SCANNED, KSWAPD_STEAL, KSWAPD_INODESTEAL,
+		PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
 		KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
 		KSWAPD_SKIP_CONGESTION_WAIT,
 		PAGEOUTRUN, ALLOCSTALL, PGROTATED,
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 6822d2595aff..db1c5df45224 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -314,6 +314,7 @@ struct hci_conn {
 
 	__u8		remote_cap;
 	__u8		remote_auth;
+	bool		flush_key;
 
 	unsigned int	sent;
 
@@ -980,7 +981,7 @@ int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
 int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
 int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
 int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
-		      u8 persistent);
+		      bool persistent);
 int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
 			  u8 addr_type, u32 flags, u8 *name, u8 name_len,
 			  u8 *dev_class);
diff --git a/include/net/dst.h b/include/net/dst.h
index ff4da42fcfc6..bed833d9796a 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -59,6 +59,7 @@ struct dst_entry {
 #define DST_NOCACHE		0x0010
 #define DST_NOCOUNT		0x0020
 #define DST_NOPEER		0x0040
+#define DST_FAKE_RTABLE		0x0080
 
 	short			error;
 	short			obsolete;
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 2bdee51ba30d..72522f087375 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -393,7 +393,7 @@ struct ip_vs_protocol {
 
 	void (*exit)(struct ip_vs_protocol *pp);
 
-	void (*init_netns)(struct net *net, struct ip_vs_proto_data *pd);
+	int (*init_netns)(struct net *net, struct ip_vs_proto_data *pd);
 
 	void (*exit_netns)(struct net *net, struct ip_vs_proto_data *pd);
 
@@ -1203,6 +1203,8 @@ ip_vs_lookup_real_service(struct net *net, int af, __u16 protocol,
 
 extern int ip_vs_use_count_inc(void);
 extern void ip_vs_use_count_dec(void);
+extern int ip_vs_register_nl_ioctl(void);
+extern void ip_vs_unregister_nl_ioctl(void);
 extern int ip_vs_control_init(void);
 extern void ip_vs_control_cleanup(void);
 extern struct ip_vs_dest *
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 6ee44b24864a..a2ef81466b00 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -704,4 +704,17 @@ static inline void sctp_v4_map_v6(union sctp_addr *addr)
 	addr->v6.sin6_addr.s6_addr32[2] = htonl(0x0000ffff);
 }
 
+/* The cookie is always 0 since this is how it's used in the
+ * pmtu code.
+ */
+static inline struct dst_entry *sctp_transport_dst_check(struct sctp_transport *t)
+{
+	if (t->dst && !dst_check(t->dst, 0)) {
+		dst_release(t->dst);
+		t->dst = NULL;
+	}
+
+	return t->dst;
+}
+
 #endif /* __net_sctp_h__ */
diff --git a/include/net/sock.h b/include/net/sock.h
index 188532ee88b6..5a0a58ac4126 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1129,9 +1129,9 @@ sk_sockets_allocated_read_positive(struct sock *sk)
 	struct proto *prot = sk->sk_prot;
 
 	if (mem_cgroup_sockets_enabled && sk->sk_cgrp)
-		return percpu_counter_sum_positive(sk->sk_cgrp->sockets_allocated);
+		return percpu_counter_read_positive(sk->sk_cgrp->sockets_allocated);
 
-	return percpu_counter_sum_positive(prot->sockets_allocated);
+	return percpu_counter_read_positive(prot->sockets_allocated);
 }
 
 static inline int
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 5f5ed1b8b41b..f4f1c96dca72 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -217,11 +217,29 @@ struct domain_device {
 	struct kref kref;
 };
 
-struct sas_discovery_event {
+struct sas_work {
+	struct list_head drain_node;
 	struct work_struct work;
+};
+
+static inline void INIT_SAS_WORK(struct sas_work *sw, void (*fn)(struct work_struct *))
+{
+	INIT_WORK(&sw->work, fn);
+	INIT_LIST_HEAD(&sw->drain_node);
+}
+
+struct sas_discovery_event {
+	struct sas_work work;
 	struct asd_sas_port *port;
 };
 
+static inline struct sas_discovery_event *to_sas_discovery_event(struct work_struct *work)
+{
+	struct sas_discovery_event *ev = container_of(work, typeof(*ev), work.work);
+
+	return ev;
+}
+
 struct sas_discovery {
 	struct sas_discovery_event disc_work[DISC_NUM_EVENTS];
 	unsigned long    pending;
@@ -244,7 +262,7 @@ struct asd_sas_port {
 	struct list_head destroy_list;
 	enum   sas_linkrate linkrate;
 
-	struct work_struct work;
+	struct sas_work work;
 
 /* public: */
 	int id;
@@ -270,10 +288,17 @@ struct asd_sas_port {
 };
 
 struct asd_sas_event {
-	struct work_struct work;
+	struct sas_work work;
 	struct asd_sas_phy *phy;
 };
 
+static inline struct asd_sas_event *to_asd_sas_event(struct work_struct *work)
+{
+	struct asd_sas_event *ev = container_of(work, typeof(*ev), work.work);
+
+	return ev;
+}
+
 /* The phy pretty much is controlled by the LLDD.
  * The class only reads those fields.
  */
@@ -333,10 +358,17 @@ struct scsi_core {
 };
 
 struct sas_ha_event {
-	struct work_struct work;
+	struct sas_work work;
 	struct sas_ha_struct *ha;
 };
 
+static inline struct sas_ha_event *to_sas_ha_event(struct work_struct *work)
+{
+	struct sas_ha_event *ev = container_of(work, typeof(*ev), work.work);
+
+	return ev;
+}
+
 enum sas_ha_state {
 	SAS_HA_REGISTERED,
 	SAS_HA_DRAINING,
diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h
index cdccd2eb7b6c..77670e823ed8 100644
--- a/include/scsi/sas_ata.h
+++ b/include/scsi/sas_ata.h
@@ -37,7 +37,7 @@ static inline int dev_is_sata(struct domain_device *dev)
 }
 
 int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy);
-int sas_ata_init_host_and_port(struct domain_device *found_dev);
+int sas_ata_init(struct domain_device *dev);
 void sas_ata_task_abort(struct sas_task *task);
 void sas_ata_strategy_handler(struct Scsi_Host *shost);
 void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
@@ -52,7 +52,7 @@ static inline int dev_is_sata(struct domain_device *dev)
 {
 	return 0;
 }
-static inline int sas_ata_init_host_and_port(struct domain_device *found_dev)
+static inline int sas_ata_init(struct domain_device *dev)
 {
 	return 0;
 }