Merge branch 'upstream-fixes'

68 files changed, 370 insertions, 166 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 026c3c011dc0..84d3d9f034ce 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -435,7 +435,7 @@ extern int sbf_port ;
 
 #endif 	/* !CONFIG_ACPI */
 
-int acpi_register_gsi (u32 gsi, int edge_level, int active_high_low);
+int acpi_register_gsi (u32 gsi, int triggering, int polarity);
 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
 
 /*
diff --git a/include/linux/agpgart.h b/include/linux/agpgart.h
index 17a17c55a17f..6d59c8efe3be 100644
--- a/include/linux/agpgart.h
+++ b/include/linux/agpgart.h
@@ -111,6 +111,7 @@ typedef struct _agp_unbind {
 } agp_unbind;
 
 #else				/* __KERNEL__ */
+#include <linux/mutex.h>
 
 #define AGPGART_MINOR 175
 
@@ -201,7 +202,7 @@ struct agp_file_private {
 };
 
 struct agp_front_data {
-	struct semaphore agp_mutex;
+	struct mutex agp_mutex;
 	struct agp_controller *current_controller;
 	struct agp_controller *controllers;
 	struct agp_file_private *file_priv_list;
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 6a2a19f14bb2..208650b1ad3a 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -81,7 +81,7 @@ static inline int generic_fls64(__u64 x)
 {
 	__u32 h = x >> 32;
 	if (h)
-		return fls(x) + 32;
+		return fls(h) + 32;
 	return fls(x);
 }
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 02a585faa62c..860e7a485a5f 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -392,8 +392,8 @@ struct request_queue
 	unsigned int		nr_congestion_off;
 	unsigned int		nr_batching;
 
-	unsigned short		max_sectors;
-	unsigned short		max_hw_sectors;
+	unsigned int		max_sectors;
+	unsigned int		max_hw_sectors;
 	unsigned short		max_phys_segments;
 	unsigned short		max_hw_segments;
 	unsigned short		hardsect_size;
@@ -697,7 +697,7 @@ extern request_queue_t *blk_init_queue(request_fn_proc *, spinlock_t *);
 extern void blk_cleanup_queue(request_queue_t *);
 extern void blk_queue_make_request(request_queue_t *, make_request_fn *);
 extern void blk_queue_bounce_limit(request_queue_t *, u64);
-extern void blk_queue_max_sectors(request_queue_t *, unsigned short);
+extern void blk_queue_max_sectors(request_queue_t *, unsigned int);
 extern void blk_queue_max_phys_segments(request_queue_t *, unsigned short);
 extern void blk_queue_max_hw_segments(request_queue_t *, unsigned short);
 extern void blk_queue_max_segment_size(request_queue_t *, unsigned int);
diff --git a/include/linux/configfs.h b/include/linux/configfs.h
index acffb8c9073a..a7f015027535 100644
--- a/include/linux/configfs.h
+++ b/include/linux/configfs.h
@@ -126,7 +126,7 @@ extern struct config_item *config_group_find_obj(struct config_group *, const ch
 
 
 struct configfs_attribute {
-	char			*ca_name;
+	const char		*ca_name;
 	struct module 		*ca_owner;
 	mode_t			ca_mode;
 };
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index c31650df9241..17866d7e2b71 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -14,6 +14,7 @@
 #ifndef _LINUX_CPUFREQ_H
 #define _LINUX_CPUFREQ_H
 
+#include <linux/mutex.h>
 #include <linux/config.h>
 #include <linux/notifier.h>
 #include <linux/threads.h>
@@ -82,7 +83,7 @@ struct cpufreq_policy {
         unsigned int		policy; /* see above */
 	struct cpufreq_governor	*governor; /* see below */
 
- 	struct semaphore	lock;   /* CPU ->setpolicy or ->target may
+ 	struct mutex		lock;   /* CPU ->setpolicy or ->target may
 					   only be called once a time */
 
 	struct work_struct	update; /* if update_policy() needs to be
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 13e9f4a3ab26..20b446f26ecd 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -84,7 +84,6 @@
 #include <linux/kernel.h>
 #include <linux/threads.h>
 #include <linux/bitmap.h>
-#include <asm/bug.h>
 
 typedef struct { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t;
 extern cpumask_t _unused_cpumask_arg_;
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index a3ed5e059d47..4361f3789975 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -8,7 +8,6 @@
 #include <linux/spinlock.h>
 #include <linux/cache.h>
 #include <linux/rcupdate.h>
-#include <asm/bug.h>
 
 struct nameidata;
 struct vfsmount;
@@ -108,7 +107,9 @@ struct dentry {
 	struct dentry_operations *d_op;
 	struct super_block *d_sb;	/* The root of the dentry tree */
 	void *d_fsdata;			/* fs-specific data */
+#ifdef CONFIG_PROFILING
 	struct dcookie_struct *d_cookie; /* cookie, if any */
+#endif
 	int d_mounted;
 	unsigned char d_iname[DNAME_INLINE_LEN_MIN];	/* small names */
 };
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 83c7d207b80e..51e0e95a421a 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -91,7 +91,7 @@ struct target_type {
 };
 
 struct io_restrictions {
-	unsigned short		max_sectors;
+	unsigned int		max_sectors;
 	unsigned short		max_phys_segments;
 	unsigned short		max_hw_segments;
 	unsigned short		hardsect_size;
diff --git a/include/linux/dvb/video.h b/include/linux/dvb/video.h
index b1999bfeaa56..b81e58b2ebf8 100644
--- a/include/linux/dvb/video.h
+++ b/include/linux/dvb/video.h
@@ -135,7 +135,7 @@ typedef struct video_spu {
 
 typedef struct video_spu_palette {      /* SPU Palette information */
 	int length;
-	uint8_t *palette;
+	uint8_t __user *palette;
 } video_spu_palette_t;
 
 
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 23fe746a1d51..18cf1f3e1184 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -82,6 +82,7 @@ struct elevator_queue
 extern void elv_dispatch_sort(request_queue_t *, struct request *);
 extern void elv_add_request(request_queue_t *, struct request *, int, int);
 extern void __elv_add_request(request_queue_t *, struct request *, int, int);
+extern void elv_insert(request_queue_t *, struct request *, int);
 extern int elv_merge(request_queue_t *, struct request **, struct bio *);
 extern void elv_merge_requests(request_queue_t *, struct request *,
 			       struct request *);
diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h
index dbd7bb4a33b7..0cf0bea010fe 100644
--- a/include/linux/elfcore.h
+++ b/include/linux/elfcore.h
@@ -5,6 +5,7 @@
 #include <linux/signal.h>
 #include <linux/time.h>
 #include <linux/user.h>
+#include <linux/ptrace.h>
 
 struct elf_siginfo
 {
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 84bb449b9b01..e059da947007 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -363,6 +363,8 @@ struct address_space_operations {
 			loff_t offset, unsigned long nr_segs);
 	struct page* (*get_xip_page)(struct address_space *, sector_t,
 			int);
+	/* migrate the contents of a page to the specified target */
+	int (*migratepage) (struct page *, struct page *);
 };
 
 struct backing_dev_info;
@@ -1719,6 +1721,12 @@ extern void simple_release_fs(struct vfsmount **mount, int *count);
 
 extern ssize_t simple_read_from_buffer(void __user *, size_t, loff_t *, const void *, size_t);
 
+#ifdef CONFIG_MIGRATION
+extern int buffer_migrate_page(struct page *, struct page *);
+#else
+#define buffer_migrate_page NULL
+#endif
+
 extern int inode_change_ok(struct inode *, struct iattr *);
 extern int __must_check inode_setattr(struct inode *, struct iattr *);
 
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 528959c52f1b..5425b60021e3 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -14,7 +14,7 @@
 #define FUSE_KERNEL_VERSION 7
 
 /** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 5
+#define FUSE_KERNEL_MINOR_VERSION 6
 
 /** The node ID of the root inode */
 #define FUSE_ROOT_ID 1
@@ -58,6 +58,9 @@ struct fuse_kstatfs {
 	__u32	spare[6];
 };
 
+/**
+ * Bitmasks for fuse_setattr_in.valid
+ */
 #define FATTR_MODE	(1 << 0)
 #define FATTR_UID	(1 << 1)
 #define FATTR_GID	(1 << 2)
@@ -75,6 +78,11 @@ struct fuse_kstatfs {
 #define FOPEN_DIRECT_IO		(1 << 0)
 #define FOPEN_KEEP_CACHE	(1 << 1)
 
+/**
+ * INIT request/reply flags
+ */
+#define FUSE_ASYNC_READ		(1 << 0)
+
 enum fuse_opcode {
 	FUSE_LOOKUP	   = 1,
 	FUSE_FORGET	   = 2,  /* no reply */
@@ -247,12 +255,16 @@ struct fuse_access_in {
 struct fuse_init_in {
 	__u32	major;
 	__u32	minor;
+	__u32	max_readahead;
+	__u32	flags;
 };
 
 struct fuse_init_out {
 	__u32	major;
 	__u32	minor;
-	__u32	unused[3];
+	__u32	max_readahead;
+	__u32	flags;
+	__u32	unused;
 	__u32	max_write;
 };
 
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 089bfb1fa01a..6361544bb6ae 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -40,6 +40,7 @@ enum hrtimer_restart {
 enum hrtimer_state {
 	HRTIMER_INACTIVE,	/* Timer is inactive */
 	HRTIMER_EXPIRED,		/* Timer is expired */
+	HRTIMER_RUNNING,		/* Timer is running the callback function */
 	HRTIMER_PENDING,		/* Timer is pending */
 };
 
@@ -100,9 +101,8 @@ struct hrtimer_base {
 /* Exported timer functions: */
 
 /* Initialize timers: */
-extern void hrtimer_init(struct hrtimer *timer, const clockid_t which_clock);
-extern void hrtimer_rebase(struct hrtimer *timer, const clockid_t which_clock);
-
+extern void hrtimer_init(struct hrtimer *timer, clockid_t which_clock,
+			 enum hrtimer_mode mode);
 
 /* Basic timer operations: */
 extern int hrtimer_start(struct hrtimer *timer, ktime_t tim,
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 7863a59bd598..63f1d63cc1d8 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -100,6 +100,9 @@ extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
 /* Returns the number of read bytes */
 extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
 					 u8 command, u8 *values);
+extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
+					  u8 command, u8 length,
+					  u8 *values);
 
 /*
  * A driver is capable of handling one or more physical devices present on
diff --git a/include/linux/i2o.h b/include/linux/i2o.h
index 9ba806796667..5a9d8c599171 100644
--- a/include/linux/i2o.h
+++ b/include/linux/i2o.h
@@ -1115,9 +1115,11 @@ static inline struct i2o_message *i2o_msg_get(struct i2o_controller *c)
 		return ERR_PTR(-ENOMEM);
 
 	mmsg->mfa = readl(c->in_port);
-	if (mmsg->mfa == I2O_QUEUE_EMPTY) {
+	if (unlikely(mmsg->mfa >= c->in_queue.len)) {
 		mempool_free(mmsg, c->in_msg.mempool);
-		return ERR_PTR(-EBUSY);
+		if(mmsg->mfa == I2O_QUEUE_EMPTY)
+			return ERR_PTR(-EBUSY);
+		return ERR_PTR(-EFAULT);
 	}
 
 	return &mmsg->msg;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 110b3cfac021..a7fc4cc79b23 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -582,7 +582,6 @@ typedef struct ide_drive_s {
 	unsigned noprobe 	: 1;	/* from:  hdx=noprobe */
 	unsigned removable	: 1;	/* 1 if need to do check_media_change */
 	unsigned attach		: 1;	/* needed for removable devices */
-	unsigned is_flash	: 1;	/* 1 if probed as flash */
 	unsigned forced_geom	: 1;	/* 1 if hdx=c,h,s was given at boot */
 	unsigned no_unmask	: 1;	/* disallow setting unmask bit */
 	unsigned no_io_32bit	: 1;	/* disallow enabling 32bit I/O */
@@ -1006,7 +1005,6 @@ extern	ide_hwif_t	ide_hwifs[];		/* master data repository */
 extern int noautodma;
 
 extern int ide_end_request (ide_drive_t *drive, int uptodate, int nrsecs);
-extern int __ide_end_request (ide_drive_t *drive, struct request *rq, int uptodate, int nrsecs);
 
 /*
  * This is used on exit from the driver to designate the next irq handler
diff --git a/include/linux/io.h b/include/linux/io.h
new file mode 100644
index 000000000000..85533ec5aaa1
--- /dev/null
+++ b/include/linux/io.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2006 PathScale, Inc.  All Rights Reserved.
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef _LINUX_IO_H
+#define _LINUX_IO_H
+
+#include <asm/io.h>
+
+void __iowrite32_copy(void __iomem *to, const void *from, size_t count);
+
+#endif /* _LINUX_IO_H */
diff --git a/include/linux/ioc3.h b/include/linux/ioc3.h
index e7906a72a4f1..da7c09e4ede6 100644
--- a/include/linux/ioc3.h
+++ b/include/linux/ioc3.h
@@ -27,7 +27,7 @@ struct ioc3_driver_data {
 	int id;				/* IOC3 sequence number */
 	/* PCI mapping */
 	unsigned long pma;		/* physical address */
-	struct __iomem ioc3 *vma;	/* pointer to registers */
+	struct ioc3 __iomem *vma;	/* pointer to registers */
 	struct pci_dev *pdev;		/* PCI device */
 	/* IRQ stuff */
 	int dual_irq;			/* set if separate IRQs are used */
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 558cb4c26ec9..0fe4aa891ddc 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -23,6 +23,7 @@
 #define jfs_debug jbd_debug
 #else
 
+#include <linux/types.h>
 #include <linux/buffer_head.h>
 #include <linux/journal-head.h>
 #include <linux/stddef.h>
@@ -238,7 +239,6 @@ typedef struct journal_superblock_s
 
 #include <linux/fs.h>
 #include <linux/sched.h>
-#include <asm/bug.h>
 
 #define JBD_ASSERTIONS
 #ifdef JBD_ASSERTIONS
@@ -618,6 +618,7 @@ struct transaction_s
  * @j_wbuf: array of buffer_heads for journal_commit_transaction
  * @j_wbufsize: maximum number of buffer_heads allowed in j_wbuf, the
  *	number that will fit in j_blocksize
+ * @j_last_sync_writer: most recent pid which did a synchronous write
  * @j_private: An opaque pointer to fs-private information.
  */
 
@@ -807,6 +808,8 @@ struct journal_s
 	struct buffer_head	**j_wbuf;
 	int			j_wbufsize;
 
+	pid_t			j_last_sync_writer;
+
 	/*
 	 * An opaque pointer to fs-private information.  ext3 puts its
 	 * superblock pointer here
diff --git a/include/linux/kbd_kern.h b/include/linux/kbd_kern.h
index 45f625d7d0b2..3aed37314ab8 100644
--- a/include/linux/kbd_kern.h
+++ b/include/linux/kbd_kern.h
@@ -151,6 +151,11 @@ extern unsigned int keymap_count;
 
 static inline void con_schedule_flip(struct tty_struct *t)
 {
+	unsigned long flags;
+	spin_lock_irqsave(&t->buf.lock, flags);
+	if (t->buf.tail != NULL)
+		t->buf.tail->active = 0;
+	spin_unlock_irqrestore(&t->buf.lock, flags);
 	schedule_work(&t->buf.work);
 }
 
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index a5363324cf95..b49affa0ac5a 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -185,6 +185,7 @@ extern enum system_states {
 	SYSTEM_HALT,
 	SYSTEM_POWER_OFF,
 	SYSTEM_RESTART,
+	SYSTEM_SUSPEND_DISK,
 } system_state;
 
 #define TAINT_PROPRIETARY_MODULE	(1<<0)
diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 1bd6552cc341..6aca67a569a2 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -10,6 +10,12 @@
  *
  *  Started by: Thomas Gleixner and Ingo Molnar
  *
+ *  Credits:
+ *
+ *  	Roman Zippel provided the ideas and primary code snippets of
+ *  	the ktime_t union and further simplifications of the original
+ *  	code.
+ *
  *  For licencing details see kernel-base/COPYING
  */
 #ifndef _LINUX_KTIME_H
diff --git a/include/linux/list.h b/include/linux/list.h
index 945daa1f13dd..47208bd99f9e 100644
--- a/