Merge commit 'origin/master' into for-linus/xen/master

* commit 'origin/master': (4825 commits)
  Fix build errors due to CONFIG_BRANCH_TRACER=y
  parport: Use the PCI IRQ if offered
  tty: jsm cleanups
  Adjust path to gpio headers
  KGDB_SERIAL_CONSOLE check for module
  Change KCONFIG name
  tty: Blackin CTS/RTS
  Change hardware flow control from poll to interrupt driven
  Add support for the MAX3100 SPI UART.
  lanana: assign a device name and numbering for MAX3100
  serqt: initial clean up pass for tty side
  tty: Use the generic RS485 ioctl on CRIS
  tty: Correct inline types for tty_driver_kref_get()
  splice: fix deadlock in splicing to file
  nilfs2: support nanosecond timestamp
  nilfs2: introduce secondary super block
  nilfs2: simplify handling of active state of segments
  nilfs2: mark minor flag for checkpoint created by internal operation
  nilfs2: clean up sketch file
  nilfs2: super block operations fix endian bug
  ...

Conflicts:
	arch/x86/include/asm/thread_info.h
	arch/x86/lguest/boot.c
	drivers/xen/manage.c

1 files changed, 39 insertions, 6 deletions

diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index a70eafaad08..0303a6a098c 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -22,6 +22,7 @@
 
 #include <linux/timer.h>
 #include <linux/if.h>
+#include <linux/percpu.h>
 
 #include <scsi/scsi_transport.h>
 #include <scsi/scsi_transport_fc.h>
@@ -661,7 +662,8 @@ struct fc_lport {
 	unsigned long		boot_time;
 
 	struct fc_host_statistics host_stats;
-	struct fcoe_dev_stats	*dev_stats[NR_CPUS];
+	struct fcoe_dev_stats	*dev_stats;
+
 	u64			wwpn;
 	u64			wwnn;
 	u8			retry_count;
@@ -694,11 +696,6 @@ struct fc_lport {
 /*
  * FC_LPORT HELPER FUNCTIONS
  *****************************/
-static inline void *lport_priv(const struct fc_lport *lp)
-{
-	return (void *)(lp + 1);
-}
-
 static inline int fc_lport_test_ready(struct fc_lport *lp)
 {
 	return lp->state == LPORT_ST_READY;
@@ -722,6 +719,42 @@ static inline void fc_lport_state_enter(struct fc_lport *lp,
 	lp->state = state;
 }
 
+static inline int fc_lport_init_stats(struct fc_lport *lp)
+{
+	/* allocate per cpu stats block */
+	lp->dev_stats = alloc_percpu(struct fcoe_dev_stats);
+	if (!lp->dev_stats)
+		return -ENOMEM;
+	return 0;
+}
+
+static inline void fc_lport_free_stats(struct fc_lport *lp)
+{
+	free_percpu(lp->dev_stats);
+}
+
+static inline struct fcoe_dev_stats *fc_lport_get_stats(struct fc_lport *lp)
+{
+	return per_cpu_ptr(lp->dev_stats, smp_processor_id());
+}
+
+static inline void *lport_priv(const struct fc_lport *lp)
+{
+	return (void *)(lp + 1);
+}
+
+/**
+ * libfc_host_alloc() - Allocate a Scsi_Host with room for the fc_lport
+ * @sht: ptr to the scsi host templ
+ * @priv_size: size of private data after fc_lport
+ *
+ * Returns: ptr to Scsi_Host
+ */
+static inline struct Scsi_Host *
+libfc_host_alloc(struct scsi_host_template *sht, int priv_size)
+{
+	return scsi_host_alloc(sht, sizeof(struct fc_lport) + priv_size);
+}
 
 /*
  * LOCAL PORT LAYER