Merge bk://linux-bt.bkbits.net/bt-2.5

into home.transmeta.com:/home/torvalds/v2.5/linux

34 files changed, 1353 insertions, 204 deletions

diff --git a/include/asm-alpha/poll.h b/include/asm-alpha/poll.h
index 53bf7a31c27e..34f333b762a0 100644
--- a/include/asm-alpha/poll.h
+++ b/include/asm-alpha/poll.h
@@ -1,17 +1,18 @@
 #ifndef __ALPHA_POLL_H
 #define __ALPHA_POLL_H
 
-#define POLLIN		1
-#define POLLPRI		2
-#define POLLOUT		4
-#define POLLERR		8
-#define POLLHUP		16
-#define POLLNVAL	32
-#define POLLRDNORM	64
-#define POLLRDBAND	128
-#define POLLWRNORM	256
-#define POLLWRBAND	512
-#define POLLMSG		1024
+#define POLLIN		(1 << 0)
+#define POLLPRI		(1 << 1)
+#define POLLOUT		(1 << 2)
+#define POLLERR		(1 << 3)
+#define POLLHUP		(1 << 4)
+#define POLLNVAL	(1 << 5)
+#define POLLRDNORM	(1 << 6)
+#define POLLRDBAND	(1 << 7)
+#define POLLWRNORM	(1 << 8)
+#define POLLWRBAND	(1 << 9)
+#define POLLMSG		(1 << 10)
+#define POLLREMOVE	(1 << 11)
 
 struct pollfd {
 	int fd;
diff --git a/include/asm-i386/mman.h b/include/asm-i386/mman.h
index 85566a0029ca..348090b36078 100644
--- a/include/asm-i386/mman.h
+++ b/include/asm-i386/mman.h
@@ -18,6 +18,8 @@
 #define MAP_EXECUTABLE	0x1000		/* mark it as an executable */
 #define MAP_LOCKED	0x2000		/* pages are locked */
 #define MAP_NORESERVE	0x4000		/* don't check for reservations */
+#define MAP_POPULATE	0x8000		/* populate (prefault) pagetables */
+#define MAP_NONBLOCK	0x10000		/* do not block on IO */
 
 #define MS_ASYNC	1		/* sync memory asynchronously */
 #define MS_INVALIDATE	2		/* invalidate the caches */
diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h
index 35e8f9a3e207..60e2f452a043 100644
--- a/include/asm-i386/processor.h
+++ b/include/asm-i386/processor.h
@@ -270,7 +270,7 @@ extern unsigned int mca_pentium_flag;
 /* This decides where the kernel will search for a free chunk of vm
  * space during mmap's.
  */
-#define TASK_UNMAPPED_BASE	(TASK_SIZE / 3)
+#define TASK_UNMAPPED_BASE	(PAGE_ALIGN(TASK_SIZE / 3))
 
 /*
  * Size of io_bitmap in longwords: 32 is ports 0-0x3ff.
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index 902054f38279..181d009c30c1 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -261,7 +261,8 @@
 #define __NR_sys_epoll_create	254
 #define __NR_sys_epoll_ctl	255
 #define __NR_sys_epoll_wait	256
-  
+#define __NR_remap_file_pages	257
+
 
 /* user-visible error numbers are in the range -1 - -124: see <asm-i386/errno.h> */
 
diff --git a/include/asm-sparc/mman.h b/include/asm-sparc/mman.h
index 55d476bb8278..fe0976a9df24 100644
--- a/include/asm-sparc/mman.h
+++ b/include/asm-sparc/mman.h
@@ -32,6 +32,9 @@
 #define MCL_CURRENT     0x2000          /* lock all currently mapped pages */
 #define MCL_FUTURE      0x4000          /* lock all additions to address space */
 
+#define MAP_POPULATE	0x8000		/* populate (prefault) pagetables */
+#define MAP_NONBLOCK	0x10000		/* do not block on IO */
+
 /* XXX Need to add flags to SunOS's mctl, mlockall, and madvise system
  * XXX calls.
  */
diff --git a/include/asm-sparc64/mman.h b/include/asm-sparc64/mman.h
index 840eff2c8ff4..ec42f85b2bb8 100644
--- a/include/asm-sparc64/mman.h
+++ b/include/asm-sparc64/mman.h
@@ -32,6 +32,9 @@
 #define MCL_CURRENT     0x2000          /* lock all currently mapped pages */
 #define MCL_FUTURE      0x4000          /* lock all additions to address space */
 
+#define MAP_POPULATE	0x8000		/* populate (prefault) pagetables */
+#define MAP_NONBLOCK	0x10000		/* do not block on IO */
+
 /* XXX Need to add flags to SunOS's mctl, mlockall, and madvise system
  * XXX calls.
  */
diff --git a/include/asm-x86_64/mman.h b/include/asm-x86_64/mman.h
index 67493c78c776..41b02d502b83 100644
--- a/include/asm-x86_64/mman.h
+++ b/include/asm-x86_64/mman.h
@@ -19,6 +19,8 @@
 #define MAP_EXECUTABLE	0x1000		/* mark it as an executable */
 #define MAP_LOCKED	0x2000		/* pages are locked */
 #define MAP_NORESERVE	0x4000		/* don't check for reservations */
+#define MAP_POPULATE	0x8000		/* populate (prefault) pagetables */
+#define MAP_NONBLOCK	0x10000		/* do not block on IO */
 
 #define MS_ASYNC	1		/* sync memory asynchronously */
 #define MS_INVALIDATE	2		/* invalidate the caches */
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 212e53167f88..e771e183891e 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -11,6 +11,22 @@
 
 #include <asm/scatterlist.h>
 
+/*
+ * Disk stats ...
+ */
+
+#define DK_MAX_MAJOR 16
+#define DK_MAX_DISK 16
+ 
+struct disk_stat {
+        unsigned int drive[DK_MAX_MAJOR][DK_MAX_DISK];
+        unsigned int drive_rio[DK_MAX_MAJOR][DK_MAX_DISK];
+        unsigned int drive_wio[DK_MAX_MAJOR][DK_MAX_DISK];
+        unsigned int drive_rblk[DK_MAX_MAJOR][DK_MAX_DISK];
+        unsigned int drive_wblk[DK_MAX_MAJOR][DK_MAX_DISK];
+};
+extern struct disk_stat dkstat;
+
 struct request_queue;
 typedef struct request_queue request_queue_t;
 struct elevator_s;
diff --git a/include/linux/dcookies.h b/include/linux/dcookies.h
index 7c4d3319e7d0..b2ae9692dc05 100644
--- a/include/linux/dcookies.h
+++ b/include/linux/dcookies.h
@@ -44,7 +44,7 @@ void dcookie_unregister(struct dcookie_user * user);
  * Returns 0 on success, with *cookie filled in
  */
 int get_dcookie(struct dentry * dentry, struct vfsmount * vfsmnt,
-	u32 * cookie);
+	unsigned long * cookie);
 
 #else
 
@@ -59,7 +59,7 @@ void dcookie_unregister(struct dcookie_user * user)
 }
  
 static inline int get_dcookie(struct dentry * dentry,
-	struct vfsmount * vfsmnt, u32 * cookie)
+	struct vfsmount * vfsmnt, unsigned long * cookie)
 {
 	return -ENOSYS;
 } 
diff --git a/include/linux/device.h b/include/linux/device.h
index 2e0948e96d68..0bea391871ae 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -28,7 +28,7 @@
 #include <linux/ioport.h>
 #include <linux/list.h>
 #include <linux/sched.h>
-#include <linux/driverfs_fs.h>
+#include <linux/kobject.h>
 
 #define DEVICE_NAME_SIZE	80
 #define DEVICE_ID_SIZE		32
@@ -65,14 +65,13 @@ struct bus_type {
 	atomic_t		refcount;
 	u32			present;
 
+	struct subsystem	subsys;
+	struct subsystem	drvsubsys;
+	struct subsystem	devsubsys;
 	struct list_head	node;
 	struct list_head	devices;
 	struct list_head	drivers;
 
-	struct driver_dir_entry	dir;
-	struct driver_dir_entry	device_dir;
-	struct driver_dir_entry	driver_dir;
-
 	int		(*match)(struct device * dev, struct device_driver * drv);
 	struct device * (*add)	(struct device * parent, char * bus_id);
 	int		(*hotplug) (struct device *dev, char **envp, 
@@ -119,12 +118,11 @@ struct device_driver {
 	atomic_t		refcount;
 	u32			present;
 
+	struct kobject		kobj;
 	struct list_head	bus_list;
 	struct list_head	class_list;
 	struct list_head	devices;
 
-	struct driver_dir_entry	dir;
-
 	int	(*probe)	(struct device * dev);
 	int 	(*remove)	(struct device * dev);
 	void	(*shutdown)	(struct device * dev);
@@ -177,14 +175,13 @@ struct device_class {
 
 	u32			devnum;
 
+	struct subsystem	subsys;
+	struct subsystem	devsubsys;
+	struct subsystem	drvsubsys;
 	struct list_head	node;
 	struct list_head	drivers;
 	struct list_head	intf_list;
 
-	struct driver_dir_entry	dir;
-	struct driver_dir_entry	driver_dir;
-	struct driver_dir_entry	device_dir;
-
 	int	(*add_device)(struct device *);
 	void	(*remove_device)(struct device *);
 	int	(*hotplug)(struct device *dev, char **envp, 
@@ -232,9 +229,9 @@ struct device_interface {
 	char			* name;
 	struct device_class	* devclass;
 
+	struct kobject		kobj;
 	struct list_head	node;
 	struct list_head	devices;
-	struct driver_dir_entry	dir;
 
 	u32			devnum;
 
@@ -275,6 +272,7 @@ struct device {
 	struct list_head intf_list;
 	struct device 	* parent;
 
+	struct kobject kobj;
 	char	name[DEVICE_NAME_SIZE];	/* descriptive ascii string */
 	char	bus_id[BUS_ID_SIZE];	/* position on parent bus */
 
@@ -285,8 +283,6 @@ struct device {
 					 * persists for the right amount of time */
 
 	struct bus_type	* bus;		/* type of bus device is on */
-	struct driver_dir_entry	dir;
-
 	struct device_driver *driver;	/* which driver has allocated this
 					   device */
 	void		*driver_data;	/* data private to the driver */
@@ -438,6 +434,11 @@ extern int device_suspend(u32 state, u32 level);
 extern void device_resume(u32 level);
 extern void device_shutdown(void);
 
+
+/* drivrs/base/firmware.c */
+extern int firmware_register(struct subsystem *);
+extern void firmware_uregister(struct subsystem *);
+
 /* debugging and troubleshooting/diagnostic helpers. */
 #ifdef DEBUG
 #define dev_dbg(dev, format, arg...)		\
diff --git a/include/linux/driverfs_fs.h b/include/linux/driverfs_fs.h
deleted file mode 100644
index b4270e947a1e..000000000000
--- a/include/linux/driverfs_fs.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * driverfs_fs.h - definitions for the device driver filesystem
- *
- * Copyright (c) 2001 Patrick Mochel <mochel@osdl.org>
- *
- *  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
- *
- * This is a simple, ram-based filesystem, which allows kernel
- * callbacks for read/write of files.
- *
- * Please see Documentation/filesystems/driverfs.txt for more information.
- */
-
-#ifndef _DRIVER_FS_H_
-#define _DRIVER_FS_H_
-
-struct driver_dir_entry;
-struct attribute;
-
-struct driverfs_ops {
-	int	(*open)(struct driver_dir_entry *);
-	int	(*close)(struct driver_dir_entry *);
-	ssize_t	(*show)(struct driver_dir_entry *, struct attribute *,char *, size_t, loff_t);
-	ssize_t	(*store)(struct driver_dir_entry *,struct attribute *,const char *, size_t, loff_t);
-};
-
-struct driver_dir_entry {
-	char			* name;
-	struct dentry		* dentry;
-	mode_t			mode;
-	struct driverfs_ops	* ops;
-};
-
-struct attribute {
-	char			* name;
-	mode_t			mode;
-};
-
-extern int
-driverfs_create_dir(struct driver_dir_entry *, struct driver_dir_entry *);
-
-extern void
-driverfs_remove_dir(struct driver_dir_entry * entry);
-
-extern int
-driverfs_create_file(struct attribute * attr,
-		     struct driver_dir_entry * parent);
-
-extern int 
-driverfs_create_symlink(struct driver_dir_entry * parent, 
-			char * name, char * target);
-
-extern void
-driverfs_remove_file(struct driver_dir_entry *, const char * name);
-
-#endif /* _DDFS_H_ */
diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h
index c50ffd7ebc58..7e34cc751800 100644
--- a/include/linux/ext2_fs.h
+++ b/include/linux/ext2_fs.h
@@ -58,8 +58,6 @@
  */
 #define	EXT2_BAD_INO		 1	/* Bad blocks inode */
 #define EXT2_ROOT_INO		 2	/* Root inode */
-#define EXT2_ACL_IDX_INO	 3	/* ACL inode */
-#define EXT2_ACL_DATA_INO	 4	/* ACL inode */
 #define EXT2_BOOT_LOADER_INO	 5	/* Boot loader inode */
 #define EXT2_UNDEL_DIR_INO	 6	/* Undelete directory inode */
 
@@ -99,7 +97,6 @@ static inline struct ext2_sb_info *EXT2_SB(struct super_block *sb)
 #else
 # define EXT2_BLOCK_SIZE(s)		(EXT2_MIN_BLOCK_SIZE << (s)->s_log_block_size)
 #endif
-#define EXT2_ACLE_PER_BLOCK(s)		(EXT2_BLOCK_SIZE(s) / sizeof (struct ext2_acl_entry))
 #define	EXT2_ADDR_PER_BLOCK(s)		(EXT2_BLOCK_SIZE(s) / sizeof (__u32))
 #ifdef __KERNEL__
 # define EXT2_BLOCK_SIZE_BITS(s)	((s)->s_blocksize_bits)
@@ -134,28 +131,6 @@ static inline struct ext2_sb_info *EXT2_SB(struct super_block *sb)
 #endif
 
 /*
- * ACL structures
- */
-struct ext2_acl_header	/* Header of Access Control Lists */
-{
-	__u32	aclh_size;
-	__u32	aclh_file_count;
-	__u32	aclh_acle_count;
-	__u32	aclh_first_acle;
-};
-
-struct ext2_acl_entry	/* Access Control List Entry */
-{
-	__u32	acle_size;
-	__u16	acle_perms;	/* Access permissions */
-	__u16	acle_type;	/* Type of entry */
-	__u16	acle_tag;	/* User or group identity */
-	__u16	acle_pad1;
-	__u32	acle_next;	/* Pointer on next entry for the */
-					/* same inode or on next free entry */
-};
-
-/*
  * Structure of a blocks group descriptor
  */
 struct ext2_group_desc
@@ -332,6 +307,8 @@ struct ext2_inode {
 #define EXT2_MOUNT_ERRORS_PANIC		0x0040	/* Panic on errors */
 #define EXT2_MOUNT_MINIX_DF		0x0080	/* Mimics the Minix statfs */
 #define EXT2_MOUNT_NO_UID32		0x0200  /* Disable 32-bit UIDs */
+#define EXT2_MOUNT_XATTR_USER		0x4000	/* Extended user attributes */
+#define EXT2_MOUNT_POSIX_ACL		0x8000	/* POSIX Access Control Lists */
 
 #define clear_opt(o, opt)		o &= ~EXT2_MOUNT_##opt
 #define set_opt(o, opt)			o |= EXT2_MOUNT_##opt
@@ -410,7 +387,20 @@ struct ext2_super_block {
 	__u8	s_prealloc_blocks;	/* Nr of blocks to try to preallocate*/
 	__u8	s_prealloc_dir_blocks;	/* Nr to preallocate for dirs */
 	__u16	s_padding1;
-	__u32	s_reserved[204];	/* Padding to the end of the block */
+	/*
+	 * Journaling support valid if EXT3_FEATURE_COMPAT_HAS_JOURNAL set.
+	 */
+	__u8	s_journal_uuid[16];	/* uuid of journal superblock */
+	__u32	s_journal_inum;		/* inode number of journal file */
+	__u32	s_journal_dev;		/* device number of journal file */
+	__u32	s_last_orphan;		/* start of list of inodes to delete */
+	__u32	s_hash_seed[4];		/* HTREE hash seed */
+	__u8	s_def_hash_version;	/* Default hash version to use */
+	__u8	s_reserved_char_pad;
+	__u16	s_reserved_word_pad;
+	__u32	s_default_mount_opts;
+ 	__u32	s_first_meta_bg; 	/* First metablock block group */
+	__u32	s_reserved[190];	/* Padding to the end of the block */
 };
 
 /*
@@ -473,10 +463,12 @@ struct ext2_super_block {
 #define EXT2_FEATURE_INCOMPAT_FILETYPE		0x0002
 #define EXT3_FEATURE_INCOMPAT_RECOVER		0x0004
 #define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV	0x0008
+#define EXT2_FEATURE_INCOMPAT_META_BG		0x0010
 #define EXT2_FEATURE_INCOMPAT_ANY		0xffffffff
 
-#define EXT2_FEATURE_COMPAT_SUPP	0
-#define EXT2_FEATURE_INCOMPAT_SUPP	EXT2_FEATURE_INCOMPAT_FILETYPE
+#define EXT2_FEATURE_COMPAT_SUPP	EXT2_FEATURE_COMPAT_EXT_ATTR
+#define EXT2_FEATURE_INCOMPAT_SUPP	(EXT2_FEATURE_INCOMPAT_FILETYPE| \
+					 EXT2_FEATURE_INCOMPAT_META_BG)
 #define EXT2_FEATURE_RO_COMPAT_SUPP	(EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \
 					 EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \
 					 EXT2_FEATURE_RO_COMPAT_BTREE_DIR)
@@ -490,6 +482,20 @@ struct ext2_super_block {
 #define	EXT2_DEF_RESGID		0
 
 /*
+ * Default mount options
+ */
+#define EXT2_DEFM_DEBUG		0x0001
+#define EXT2_DEFM_BSDGROUPS	0x0002
+#define EXT2_DEFM_XATTR_USER	0x0004
+#define EXT2_DEFM_ACL		0x0008
+#define EXT2_DEFM_UID16		0x0010
+    /* Not used by ext2, but reserved for use by ext3 */
+#define EXT3_DEFM_JMODE		0x0060 
+#define EXT3_DEFM_JMODE_DATA	0x0020
+#define EXT3_DEFM_JMODE_ORDERED	0x0040
+#define EXT3_DEFM_JMODE_WBACK	0x0060
+
+/*
  * Structure of a directory entry
  */
 #define EXT2_NAME_LEN 255
diff --git a/include/linux/ext2_fs_sb.h b/include/linux/ext2_fs_sb.h
index 070f5b630581..434924a64fe4 100644
--- a/include/linux/ext2_fs_sb.h
+++ b/include/linux/ext2_fs_sb.h
@@ -43,6 +43,8 @@ struct ext2_sb_info {
 	int s_inode_size;
 	int s_first_ino;
 	u32 s_next_generation;
+	unsigned long s_dir_count;
+	u8 *debts;
 };
 
 #endif	/* _LINUX_EXT2_FS_SB */
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index ddabc22881f4..fdbff1a12592 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -64,8 +64,6 @@
  */
 #define	EXT3_BAD_INO		 1	/* Bad blocks inode */
 #define EXT3_ROOT_INO		 2	/* Root inode */
-#define EXT3_ACL_IDX_INO	 3	/* ACL inode */
-#define EXT3_ACL_DATA_INO	 4	/* ACL inode */
 #define EXT3_BOOT_LOADER_INO	 5	/* Boot loader inode */
 #define EXT3_UNDEL_DIR_INO	 6	/* Undelete directory inode */
 #define EXT3_RESIZE_INO		 7	/* Reserved group descriptors inode */
@@ -95,7 +93,6 @@
 #else
 # define EXT3_BLOCK_SIZE(s)		(EXT3_MIN_BLOCK_SIZE << (s)->s_log_block_size)
 #endif
-#define EXT3_ACLE_PER_BLOCK(s)		(EXT3_BLOCK_SIZE(s) / sizeof (struct ext3_acl_entry))
 #define	EXT3_ADDR_PER_BLOCK(s)		(EXT3_BLOCK_SIZE(s) / sizeof (__u32))
 #ifdef __KERNEL__
 # define EXT3_BLOCK_SIZE_BITS(s)	((s)->s_blocksize_bits)
@@ -130,28 +127,6 @@
 #endif
 
 /*
- * ACL structures
- */
-struct ext3_acl_header	/* Header of Access Control Lists */
-{
-	__u32	aclh_size;
-	__u32	aclh_file_count;
-	__u32	aclh_acle_count;
-	__u32	aclh_first_acle;
-};
-
-struct ext3_acl_entry	/* Access Control List Entry */
-{
-	__u32	acle_size;
-	__u16	acle_perms;	/* Access permissions */
-	__u16	acle_type;	/* Type of entry */
-	__u16	acle_tag;	/* User or group identity */
-	__u16	acle_pad1;
-	__u32	acle_next;	/* Pointer on next entry for the */
-					/* same inode or on next free entry */
-};
-
-/*
  * Structure of a blocks group descriptor
  */
 struct ext3_group_desc
@@ -347,6 +322,8 @@ struct ext3_inode {
   #define EXT3_MOUNT_WRITEBACK_DATA	0x0C00	/* No data ordering */
 #define EXT3_MOUNT_UPDATE_JOURNAL	0x1000	/* Update the journal format */
 #define EXT3_MOUNT_NO_UID32		0x2000  /* Disable 32-bit UIDs */
+#define EXT3_MOUNT_XATTR_USER		0x4000	/* Extended user attributes */
+#define EXT3_MOUNT_POSIX_ACL		0x8000	/* POSIX Access Control Lists */
 
 /* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
 #ifndef _LINUX_EXT2_FS_H
@@ -449,7 +426,9 @@ struct ext3_super_block {
 	__u8	s_def_hash_version;	/* Default hash version to use */
 	__u8	s_reserved_char_pad;
 	__u16	s_reserved_word_pad;
-	__u32	s_reserved[192];	/* Padding to the end of the block */
+	__u32	s_default_mount_opts;
+	__u32	s_first_meta_bg; 	/* First metablock block group */
+	__u32	s_reserved[190];	/* Padding to the end of the block */
 };
 
 #ifdef __KERNEL__
@@ -528,8 +507,11 @@ static inline struct ext3_inode_info *EXT3_I(struct inode *inode)
 #define EXT3_FEATURE_INCOMPAT_FILETYPE		0x0002
 #define EXT3_FEATURE_INCOMPAT_RECOVER		0x0004 /* Needs recovery */
 #define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV	0x0008 /* Journal device */
+#define EXT3_FEATURE_INCOMPAT_META_BG		0x0010
 
-#define EXT3_FEATURE_COMPAT_SUPP	0
+#define EXT3_FEATURE_COMPAT_SUPP	EXT2_FEATURE_COMPAT_EXT_ATTR
+#define EXT2_FEATURE_INCOMPAT_SUPP	(EXT2_FEATURE_INCOMPAT_FILETYPE| \
+					 EXT2_FEATURE_INCOMPAT_META_BG)
 #define EXT3_FEATURE_INCOMPAT_SUPP	(EXT3_FEATURE_INCOMPAT_FILETYPE| \
 					 EXT3_FEATURE_INCOMPAT_RECOVER)
 #define EXT3_FEATURE_RO_COMPAT_SUPP	(EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER| \
@@ -543,6 +525,19 @@ static inline struct ext3_inode_info *EXT3_I(struct inode *inode)
 #define	EXT3_DEF_RESGID		0
 
 /*
+ * Default mount options
+ */
+#define EXT3_DEFM_DEBUG		0x0001
+#define EXT3_DEFM_BSDGROUPS	0x0002
+#define EXT3_DEFM_XATTR_USER	0x0004
+#define EXT3_DEFM_ACL		0x0008
+#define EXT3_DEFM_UID16		0x0010
+#define EXT3_DEFM_JMODE		0x0060
+#define EXT3_DEFM_JMODE_DATA	0x0020
+#define EXT3_DEFM_JMODE_ORDERED	0x0040
+#define EXT3_DEFM_JMODE_WBACK	0x0060
+
+/*
  * Structure of a directory entry
  */
 #define EXT3_NAME_LEN 255
@@ -713,6 +708,7 @@ extern unsigned long ext3_count_free (struct buffer_head *, unsigned);
 
 
 /* inode.c */
+extern int ext3_forget(handle_t *, int, struct inode *, struct buffer_head *, int);
 extern struct buffer_head * ext3_getblk (handle_t *, struct inode *, long, int, int *);
 extern struct buffer_head * ext3_bread (handle_t *, struct inode *, int, int, int *);
 
@@ -781,8 +777,10 @@ extern struct address_space_operations ext3_writeback_aops;
 
 /* namei.c */
 extern struct inode_operations ext3_dir_inode_operations;
+extern struct inode_operations ext3_special_inode_operations;
 
 /* symlink.c */
+extern struct inode_operations ext3_symlink_inode_operations;
 extern struct inode_operations ext3_fast_symlink_inode_operations;
 
 
diff --git a/include/linux/ext3_fs_i.h b/include/linux/ext3_fs_i.h
index 6faf8f1b6e75..ec11e1ab01c5 100644
--- a/include/linux/ext3_fs_i.h
+++ b/include/linux/ext3_fs_i.h
@@ -41,6 +41,10 @@ struct ext3_inode_info {
 	__u32	i_prealloc_count;
 #endif
 	__u32	i_dir_start_lookup;
+#ifdef CONFIG_EXT3_FS_POSIX_ACL
+	struct posix_acl	*i_acl;
+	struct posix_acl	*i_default_acl;
+#endif
 	
 	struct list_head i_orphan;	/* unlinked but open inodes */
 
diff --git a/include/linux/ext3_jbd.h b/include/linux/ext3_jbd.h
index fa99a7ffdf79..1985ecee6a3f 100644
--- a/include/linux/ext3_jbd.h
+++ b/include/linux/ext3_jbd.h
@@ -30,13 +30,19 @@
 
 #define EXT3_SINGLEDATA_TRANS_BLOCKS	8
 
+/* Extended attributes may touch two data buffers, two bitmap buffers,
+ * and two group and summaries. */
+
+#define EXT3_XATTR_TRANS_BLOCKS		8
+
 /* Define the minimum size for a transaction which modifies data.  This
  * needs to take into account the fact that we may end up modifying two
  * quota files too (one for the group, one for the user quota).  The
  * superblock only gets updated once, of course, so don't bother
  * counting that again for the quota updates. */
 
-#define EXT3_DATA_TRANS_BLOCKS		(3 * EXT3_SINGLEDATA_TRANS_BLOCKS - 2)
+#define EXT3_DATA_TRANS_BLOCKS		(3 * EXT3_SINGLEDATA_TRANS_BLOCKS + \
+					 EXT3_XATTR_TRANS_BLOCKS - 2)
 
 extern int ext3_writepage_trans_blocks(struct inode *inode);
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 9a3e78ba7592..e83237a05110 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -110,6 +110,7 @@ extern int leases_enable, dir_notify_enable, lease_break_time;
 #define MS_MOVE		8192
 #define MS_REC		16384
 #define MS_VERBOSE	32768
+#define MS_POSIXACL	(1<<16)	/* VFS does not apply the umask */
 #define MS_ACTIVE	(1<<30)
 #define MS_NOUSER	(1<<31)
 
@@ -164,6 +165,7 @@ extern int leases_enable, dir_notify_enable, lease_break_time;
 #define IS_IMMUTABLE(inode)	((inode)->i_flags & S_IMMUTABLE)
 #define IS_NOATIME(inode)	(__IS_FLG(inode, MS_NOATIME) || ((inode)->i_flags & S_NOATIME))
 #define IS_NODIRATIME(inode)	__IS_FLG(inode, MS_NODIRATIME)
+#define IS_POSIXACL(inode)	__IS_FLG(inode, MS_POSIXACL)
 
 #define IS_DEADDIR(inode)	((inode)->i_flags & S_DEAD)
 
@@ -1147,6 +1149,7 @@ extern int filemap_fdatawrite(struct address_space *);
 extern int filemap_fdatawait(struct address_space *);
 extern void sync_supers(void);
 extern sector_t bmap(struct inode *, sector_t);
+extern int setattr_mask(unsigned int);
 extern int notify_change(struct dentry *, struct iattr *);
 extern int permission(struct inode *, int);
 extern int vfs_permission(struct inode *, int);
@@ -1225,6 +1228,7 @@ static inline struct inode *iget(struct super_block *sb, unsigned long ino)
 
 extern void __iget(struct inode * inode);
 extern void clear_inode(struct inode *);
+extern void destroy_inode(struct inode *);
 extern struct inode *new_inode(struct super_block *);
 extern void remove_suid(struct dentry *);
 
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index ff1885251c12..548e477daa4b 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -62,7 +62,7 @@ struct hd_struct {
 	sector_t start_sect;
 	sector_t nr_sects;
 	devfs_handle_t de;              /* primary (master) devfs entry  */
-	struct device *hd_driverfs_dev;  /* support driverfs hiearchy     */
+	struct kobject kobj;
 	unsigned reads, read_sectors, writes, write_sectors;
 	int policy;
 };
@@ -93,7 +93,7 @@ struct gendisk {
 	devfs_handle_t de;		/* more of the same */
 	devfs_handle_t disk_de;		/* piled higher and deeper */
 	struct device *driverfs_dev;
-	struct device disk_dev;
+	struct kobject kobj;
 
 	struct timer_rand_state *random;
 	int policy;
@@ -130,8 +130,6 @@ static inline void set_capacity(struct gendisk *disk, sector_t size)
 	disk->capacity = size;
 }
 
-extern struct device_class disk_devclass;
-
 #endif  /*  __KERNEL__  */
 
 #ifdef CONFIG_SOLARIS_X86_PARTITION
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
new file mode 100644
index 000000000000..30fa2437be15
--- /dev/null
+++ b/include/linux/hugetlb.h
@@ -0,0 +1,53 @@
+#ifndef _LINUX_HUGETLB_H
+#define _LINUX_HUGETLB_H
+
+#ifdef CONFIG_HUGETLB_PAGE
+static inline int is_vm_hugetlb_page(struct vm_area_struct *vma)
+{
+	return vma->vm_flags & VM_HUGETLB;
+}
+
+int copy_hugetlb_page_range(struct mm_struct *, struct mm_struct *, struct vm_area_struct *);
+int follow_hugetlb_page(struct mm_struct *, struct vm_area_struct *, struct page **, struct vm_area_struct **, unsigned long *, int *, int);
+void zap_hugepage_range(struct vm_area_struct *, unsigned long, unsigned long);
+void unmap_hugepage_range(struct vm_area_struct *, unsigned long, unsigned long);
+int hugetlb_prefault(struct address_space *, struct vm_area_struct *);
+void huge_page_release(struct page *);
+#else /* !CONFIG_HUGETLB_PAGE */
+static inline int is_vm_hugetlb_page(struct vm_area_struct *vma)
+{
+	return 0;
+}
+
+#define follow_hugetlb_page(m,v,p,vs,a,b,i)		({ BUG(); 0; })
+#define copy_hugetlb_page_range(src, dst, vma)	({ BUG(); 0; })
+#define hugetlb_prefault(mapping, vma)		({ BUG(); 0; })
+#define zap_hugepage_range(vma, start, len)	BUG()
+#define unmap_hugepage_range(vma, start, end)	BUG()
+#define huge_page_release(page)			BUG()
+
+#endif /* !CONFIG_HUGETLB_PAGE */
+
+#ifdef CONFIG_HUGETLBFS
+extern struct file_operations hugetlbfs_file_operations;
+extern struct vm_operations_struct hugetlb_vm_ops;
+struct file *hugetlb_zero_setup(size_t);
+
+static inline int is_file_hugepages(struct file *file)
+{
+	return file->f_op == &hugetlbfs_file_operations;
+}
+
+static inline void set_file_hugepages(struct file *file)
+{
+	file->f_op = &hugetlbfs_file_operations;
+}
+#else /* !CONFIG_HUGETLBFS */
+
+#define is_file_hugepages(file)		0
+#define set_file_hugepages(file)	BUG()
+#define hugetlb_zero_setup(size)	ERR_PTR(-ENOSYS)
+
+#endif /* !CONFIG_HUGETLBFS */
+
+#endif /* _LINUX_HUGETLB_H */
diff --git a/include/linux/ipc.h b/include/linux/ipc.h
index b23c2b69a40d..b291189737e7 100644
--- a/include/linux/ipc.h
+++ b/include/linux/ipc.h
@@ -56,6 +56,8 @@ struct ipc_perm
 /* used by in-kernel data structures */
 struct kern_ipc_perm
 {
+	spinlock_t	lock;
+	int		deleted;
 	key_t		key;
 	uid_t		uid;
 	gid_t		gid;
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index a687f5b224e9..506fdabad412 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -5,6 +5,7 @@
 #include <asm/irq.h>
 #include <linux/smp.h>
 #include <linux/threads.h>
+#include <linux/percpu.h>
 
 /*
  * 'kernel_stat.h' contains the definitions needed for doing
@@ -12,26 +13,25 @@
  * used by rstatd/perfmeter
  */
 
-#define DK_MAX_MAJOR 16
-#define DK_MAX_DISK 16
+struct cpu_usage_stat {
+	unsigned int user;
+	unsigned int nice;
+	unsigned int system;
+	unsigned int idle;
+	unsigned int iowait;
+};
 
 struct kernel_stat {
-	unsigned int per_cpu_user[NR_CPUS],
-	             per_cpu_nice[NR_CPUS],
-	             per_cpu_system[NR_CPUS],
-	             per_cpu_idle[NR_CPUS],
-	             per_cpu_iowait[NR_CPUS];
-	unsigned int dk_drive[DK_MAX_MAJOR][DK_MAX_DISK];
-	unsigned int dk_drive_rio[DK_MAX_MAJOR][DK_MAX_DISK];
-	unsigned int dk_drive_wio[DK_MAX_MAJOR][DK_MAX_DISK];
-	unsigned int dk_drive_rblk[DK_MAX_MAJOR][DK_MAX_DISK];
-	unsigned int dk_drive_wblk[DK_MAX_MAJOR][DK_MAX_DISK];
+	struct cpu_usage_stat	cpustat;
 #if !defined(CONFIG_ARCH_S390)
-	unsigned int irqs[NR_CPUS][NR_IRQS];
+	unsigned int irqs[NR_IRQS];
 #endif
 };
 
-extern struct kernel_stat kstat;
+DECLARE_PER_CPU(struct kernel_stat, kstat);
+
+#define kstat_cpu(cpu)	per_cpu(kstat, cpu)
+#define kstat_this_cpu	kstat_cpu(smp_processor_id())
 
 extern unsigned long nr_context_switches(void);
 
@@ -50,8 +50,9 @@ static inline int kstat_irqs (int irq)
 {
 	int i, sum=0;
 
-	for (i = 0 ; i < NR_CPUS ; i++)
-		sum += kstat.irqs[i][irq];
+	for (i = 0 ; i < NR_CPUS ; i++) 
+		if (cpu_possible(i)) 
+			sum += kstat_cpu(i).irqs[irq];
 
 	return sum;
 }
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index d2f0629a6189..40de16d0a227 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -12,8 +12,10 @@
 #include <linux/rwsem.h>
 #include <asm/atomic.h>
 
+#define KOBJ_NAME_LEN	16
+
 struct kobject {
-	char			name[16];
+	char			name[KOBJ_NAME_LEN];
 	atomic_t		refcount;
 	struct list_head	entry;
 	struct kobject		* parent;
diff --git a/include/linux/mbcache.h b/include/linux/mbcache.h
new file mode 100644
index 000000000000..d457859791cb
--- /dev/null
+++ b/include/linux/mbcache.h
@@ -0,0 +1,72 @@
+/*
+  File: linux/mbcache.h
+
+  (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
+*/
+
+/* Hardwire the number of additional indexes */
+#define MB_CACHE_INDEXES_COUNT 1
+
+struct mb_cache_entry;
+
+struct mb_cache_op {
+	void (*free)(struct mb_cache_entry *);
+};
+
+struct mb_cache {
+	struct list_head		c_cache_list;
+	const char			*c_name;
+	struct mb_cache_op		c_op;
+	atomic_t			c_entry_count;
+	int				c_bucket_bits;
+#ifndef MB_CACHE_INDEXES_COUNT
+	int				c_indexes_count;
+#endif
+	kmem_cache_t			*c_entry_cache;
+	struct list_head		*c_block_hash;
+	struct list_head		*c_indexes_hash[0];
+};
+
+struct mb_cache_entry_index {
+	struct list_head		o_list;
+	unsigned int			o_key;
+};
+
+struct mb_cache_entry {
+	struct list_head		e_lru_list;
+	struct mb_cache			*e_cache;
+	atomic_t			e_used;
+	struct block_device		*e_bdev;
+	sector_t			e_block;
+	struct list_head		e_block_list;
+	struct mb_cache_entry_index	e_indexes[0];
+};
+
+/* Functions on caches */
+
+struct mb_cache * mb_cache_create(const char *, struct mb_cache_op *, size_t,
+				  int, int);
+void mb_cache_shrink(struct mb_cache *, struct block_device *);
+void mb_cache_destroy(struct mb_cache *);
+
+/* Functions on cache entries */
+
+struct mb_cache_entry *mb_cache_entry_alloc(struct mb_cache *);
+int mb_cache_entry_insert(struct mb_cache_entry *, struct block_device *,
+			  sector_t, unsigned int[]);
+void mb_cache_entry_rehash(struct mb_cache_entry *, unsigned int[]);
+void mb_cache_entry_release(struct mb_cache_entry *);
+void mb_cache_entry_takeout(struct mb_cache_entry *);
+void mb_cache_entry_free(struct mb_cache_entry *);
+struct mb_cache_entry *mb_cache_entry_dup(struct mb_cache_entry *);
+struct mb_cache_entry *mb_cache_entry_get(struct mb_cache *,
+					  struct block_device *,
+					  sector_t);
+#if !defined(MB_CACHE_INDEXES_COUNT) || (MB_CACHE_INDEXES_COUNT > 0)
+struct mb_cache_entry *mb_cache_entry_find_first(struct mb_cache *cache, int,
+						 struct block_device *, 
+						 unsigned int);
+struct mb_cache_entry *mb_cache_entry_find_next(struct mb_cache_entry *, int,
+						struct block_device *, 
+						unsigned int);
+#endif
diff --git a/include/linux/mm.h b/include/linux/mm.h
index d9d2f20732d4..85531976a989 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -130,6 +130,7 @@ struct vm_operations_struct {
 	void (*open)(struct vm_area_struct * area);
 	void (*close)(struct vm_area_struct * area);
 	struct page * (*nopage)(struct vm_area_struct * area, unsigned long address, int unused);
+	int (*populate)(struct vm_area_struct * area, unsigned long address, unsigned long len, unsigned long prot, unsigned long pgoff, int nonblock);
 };
 
 /* forward declaration; pte_chain is meant to be internal to rmap.c */
@@ -365,9 +366,12 @@ extern int vmtruncate(struct inode * inode, loff_t offset);
 extern pmd_t *FASTCALL(__pmd_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address));
 extern pte_t *FASTCALL(pte_alloc_kernel(struct mm_struct *mm, pmd_t *pmd, unsigned long address));
 extern pte_t *FASTCALL(pte_alloc_map(struct mm_struct *mm, pmd_t *pmd, unsigned long address));
+extern int install_page(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, struct page *page, unsigned long prot);
 extern int handle_mm_fault(struct mm_struct *mm,struct vm_area_struct *vma, unsigned long address, int write_access);
 extern int make_pages_present(unsigned long addr, unsigned long end);
 extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);
+extern int sys_remap_file_pages(unsigned long start, unsigned long size, unsigned long prot, unsigned long pgoff, unsigned long nonblock);
+
 
 extern struct page * follow_page(struct mm_struct *mm, unsigned long address, int write);
 int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, unsigned long start,
@@ -376,20 +380,6 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, unsigned long
 int __set_page_dirty_buffers(struct page *page);
 int __set_page_dirty_nobuffers(struct page *page);
 
-#ifdef CONFIG_HUGETLB_PAGE
-#define is_vm_hugetlb_page(vma) (vma->vm_flags & VM_HUGETLB)
-extern int copy_hugetlb_page_range(struct mm_struct *, struct mm_struct *, struct vm_area_struct *);
-extern int follow_hugetlb_page(struct mm_struct *, struct vm_area_struct *, struct page **, struct vm_area_struct **, unsigned long *, int *, int);
-extern	int free_hugepages(struct vm_area_struct *);
-
-#else
-#define is_vm_hugetlb_page(vma) (0)
-#define follow_hugetlb_page(mm, vma, pages, vmas, start, len, i) (0)
-#define copy_hugetlb_page_range(dst, src, vma) (0)
-#define free_hugepages(mpnt)  do { } while(0)
-#endif
-
-
 /*
  * Prototype to add a shrinker callback for ageable caches.
  * 
@@ -533,6 +523,7 @@ extern struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned lon
 					     struct vm_area_struct **pprev);
 extern int split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
 		     unsigned long addr, int new_below);
+extern void unmap_vma(struct mm_struct *mm, struct vm_area_struct *area);
 
 /* Look up the first VMA which intersects the interval start_addr..end_addr-1,
    NULL if none.  Assume start_addr < end_addr. */
diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index d149e0688b1e..dbfa3ab99699 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -20,7 +20,7 @@ void __pagevec_release(struct pagevec *pvec);
 void __pagevec_release_nonlru(struct pagevec *pvec);
 void __pagevec_free(struct pagevec *pvec);
 void __pagevec_lru_add(struct pagevec *pvec);
-void lru_add_drain(void);
+void __pagevec_lru_add_active(struct pagevec *pvec);
 void pagevec_deactivate_inactive(struct pagevec *pvec);
 void pagevec_strip(struct pagevec *pvec);
 unsigned int pagevec_lookup(struct pagevec *pvec, struct address_space *mapping,
diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h
new file mode 100644
index 000000000000..aff9a6adb39e
--- /dev/null
+++ b/include/linux/posix_acl.h
@@ -0,0 +1,87 @@
+/*
+  File: linux/posix_acl.h
+
+  (C) 2002 Andreas Gruenbacher, <a.gruenbacher@computer.org>
+*/
+
+
+#ifndef __LINUX_POSIX_ACL_H
+#define __LINUX_POSIX_ACL_H
+
+#include <linux/slab.h>
+
+#define ACL_UNDEFINED_ID	(-1)
+
+/* a_type field in acl_user_posix_entry_t */
+#define ACL_TYPE_ACCESS		(0x8000)
+#define ACL_TYPE_DEFAULT	(0x4000)
+
+/* e_tag entry in struct posix_acl_entry */
+#define ACL_USER_OBJ		(0x01)
+#define ACL_USER		(0x02)
+#define ACL_GROUP_OBJ		(0x04)
+#define ACL_GROUP		(0x08)
+#define ACL_MASK		(0x10)
+#define ACL_OTHER		(0x20)
+
+/* permissions in the e_perm field */
+#define ACL_READ		(0x04)
+#define ACL_WRITE		(0x02)
+#define ACL_EXECUTE		(0x01)
+//#define ACL_ADD		(0x08)
+//#define ACL_DELETE		(0x10)
+
+struct posix_acl_entry {
+	short			e_tag;
+	unsigned short		e_perm;
+	unsigned int		e_id;
+};
+
+struct posix_acl {
+	atomic_t		a_refcount;
+	unsigned int		a_count;
+	struct posix_acl_entry	a_entries[0];
+};
+
+#define FOREACH_ACL_ENTRY(pa, acl, pe) \
+	for(pa=(acl)->a_entries, pe=pa+(acl)->a_count; pa<pe; pa++)
+
+
+/*
+ * Duplicate an ACL handle.
+ */
+static inline struct posix_acl *
+posix_acl_dup(struct posix_acl *acl)
+{
+	if (acl)
+		atomic_inc(&acl->a_refcount);
+	return acl;
+}
+
+/*
+ * Free an ACL handle.
+ */
+static inline void
+posix_acl_release(struct posix_acl *acl)
+{
+	if (acl && atomic_dec_and_test(&acl->a_refcount))
+		kfree(acl);
+}
+
+
+/* posix_acl.c */
+
+extern struct posix_acl *posix_acl_alloc(int, int);
+extern struct posix_acl *posix_acl_clone(const struct posix_acl *, int);
+extern int posix_acl_valid(const struct posix_acl *);
+extern int posix_acl_permission(struct inode *, const struct posix_acl *, int);
+extern struct posix_acl *posix_acl_from_mode(mode_t, int);
+extern int posix_acl_equiv_mode(const struct posix_acl *, mode_t *);
+extern int posix_acl_create_masq(struct posix_acl *, mode_t *);
+extern int posix_acl_chmod_masq(struct posix_acl *, mode_t);
+extern int posix_acl_masq_nfs_mode(struct posix_acl *, mode_t *);
+
+extern struct posix_acl *get_posix_acl(struct inode *, int);
+extern int set_posix_acl(struct inode *, int, struct posix_acl *);
+
+#endif  /* __LINUX_POSIX_ACL_H */
diff --git a/include/linux/posix_acl_xattr.h b/include/linux/posix_acl_xattr.h
new file mode 100644
index 000000000000..5efd0a6dad94
--- /dev/null
+++ b/include/linux/posix_acl_xattr.h
@@ -0,0 +1,55 @@
+/*
+  File: linux/posix_acl_xattr.h
+
+  Extended attribute system call representation of Access Control Lists.
+
+  Copyright (C) 2000 by Andreas Gruenbacher <a.gruenbacher@computer.org>
+  Copyright (C) 2002 SGI - Silicon Graphics, Inc <linux-xfs@oss.sgi.com>
+ */
+#ifndef _POSIX_ACL_XATTR_H
+#define _POSIX_ACL_XATTR_H
+
+#include <linux/posix_acl.h>
+
+/* Extended attribute names */
+#define POSIX_ACL_XATTR_ACCESS	"system.posix_acl_access"
+#define POSIX_ACL_XATTR_DEFAULT	"system.posix_acl_default"
+
+/* Supported ACL a_version fields */
+#define POSIX_ACL_XATTR_VERSION	0x0002
+
+
+/* An undefined entry e_id value */
+#define ACL_UNDEFINED_ID	(-1)
+
+typedef struct {
+	__u16			e_tag;
+	__u16			e_perm;
+	__u32			e_id;
+} posix_acl_xattr_entry;
+
+typedef struct {
+	__u32			a_version;
+	posix_acl_xattr_entry	a_entries[0];
+} posix_acl_xattr_header;
+
+
+static inline size_t
+posix_acl_xattr_size(int count)
+{
+	return (sizeof(posix_acl_xattr_header) +
+		(count * sizeof(posix_acl_xattr_entry)));
+}
+
+static inline int
+posix_acl_xattr_count(size_t size)
+{
+	if (size < sizeof(posix_acl_xattr_header))
+		return -1;
+	size -= sizeof(posix_acl_xattr_header);
+	if (size % sizeof(posix_acl_xattr_entry))
+		return -1;
+	return size / sizeof(posix_acl_xattr_entry);
+}
+
+#endif	/* _POSIX_ACL_XATTR_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 65f9799aa896..b8a2ce028fad 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -173,6 +173,7 @@ struct mm_struct {
 	struct vm_area_struct * mmap;		/* list of VMAs */
 	struct rb_root mm_rb;
 	struct vm_area_struct * mmap_cache;	/* last find_vma result */
+	unsigned long free_area_cache;		/* first hole */
 	pgd_t * pgd;
 	atomic_t mm_users;			/* How many users with user space? */
 	atomic_t mm_count;			/* How many references to "struct mm_struct" (users count as 1) */
diff --git a/include/linux/shm.h b/include/linux/shm.h
index be7d433725ca..39c0e66e8c3e 100644
--- a/include/linux/shm.h
+++ b/include/linux/shm.h
@@ -88,6 +88,7 @@ struct shmid_kernel /* private to the kernel */
 /* shm_mode upper byte flags */
 #define	SHM_DEST	01000	/* segment will be destroyed on last detach */
 #define SHM_LOCKED      02000   /* segment will not be swapped */
+#define SHM_HUGETLB     04000   /* segment will use huge TLB pages */
 
 asmlinkage long sys_shmget (key_t key, size_t size, int flag);
 asmlinkage long sys_shmat (int shmid, char *shmaddr, int shmflg, unsigned long *addr);
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 4457c1dec40b..b186143c8418 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -156,8 +156,9 @@ extern int FASTCALL(page_over_rsslimit(struct page *));
 
 /* linux/mm/swap.c */
 extern void FASTCALL(lru_cache_add(struct page *));
-
+extern void FASTCALL(lru_cache_add_active(struct page *));
 extern void FASTCALL(activate_page(struct page *));
+void lru_add_drain(void);
 
 extern void swap_setup(void);
 
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 7a46c9f0c308..29c3eb8d2c9e 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -9,20 +9,18 @@
 #ifndef _SYSFS_H_
 #define _SYSFS_H_
 
-struct driver_dir_entry;
-struct attribute;
 struct kobject;
 
-struct sysfs_ops {
-	ssize_t	(*show)(struct kobject *, struct attribute *,char *, size_t, loff_t);
-	ssize_t	(*store)(struct kobject *,struct attribute *,const char *, size_t, loff_t);
-};
-
 struct attribute {
 	char			* name;
 	mode_t			mode;
 };
 
+struct sysfs_ops {
+	ssize_t	(*show)(struct kobject *, struct attribute *,char *, size_t, loff_t);
+	ssize_t	(*store)(struct kobject *,struct attribute *,const char *, size_t, loff_t);
+};
+
 extern int
 sysfs_create_dir(struct kobject *);
 
diff --git a/include/linux/videodev.h b/include/linux/videodev.h
index a90d968374eb..157fedd4890f 100644
--- a/include/linux/videodev.h
+++ b/include/linux/videodev.h
@@ -4,10 +4,10 @@
 #include <linux/types.h>
 #include <linux/version.h>
 
-#if 0
+#if 1
 /*
  * v4l2 is still work-in-progress, integration planed for 2.5.x
- *   v4l2 project homepage:   http://www.thedirks.org/v4l2/
+ *   documentation:           http://bytesex.org/v4l/
  *   patches available from:  http://bytesex.org/patches/
  */ 
 # define HAVE_V4L2 1
@@ -32,10 +32,7 @@ struct video_device
 	int minor;
 
  	/* new interface -- we will use file_operations directly
- 	 * like soundcore does.
- 	 * kernel_ioctl() will be called by video_generic_ioctl.
- 	 * video_generic_ioctl() does the userspace copying of the
- 	 * ioctl arguments */
+ 	 * like soundcore does. */
  	struct file_operations *fops;
 	void *priv;		/* Used to be 'private' but that upsets C++ */
 
@@ -397,7 +394,7 @@ struct video_code
 #define VID_HARDWARE_PWC	31	/* Philips webcams */
 #define VID_HARDWARE_MEYE	32	/* Sony Vaio MotionEye cameras */
 #define VID_HARDWARE_CPIA2	33
-#define VID_HARDWARE_VICAM	34
+#define VID_HARDWARE_VICAM      34
 
 #endif /* __LINUX_VIDEODEV_H */
 
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
new file mode 100644
index 000000000000..373856414e05
--- /dev/null
+++ b/include/linux/videodev2.h
@@ -0,0 +1,859 @@
+#ifndef __LINUX_VIDEODEV2_H
+#define __LINUX_VIDEODEV2_H
+/*
+ *	Video for Linux Two
+ *
+ *	Header file for v4l or V4L2 drivers and applications, for
+ *	Linux kernels 2.2.x or 2.4.x.
+ *
+ *	See http://bytesex.org/v4l/ for API specs and other
+ *	v4l2 documentation.
+ *
+ *	Author: Bill Dirks <bdirks@pacbell.net>
+ *		Justin Schoeman
+ *		et al.
+ */
+#include <linux/time.h> /* need struct timeval */
+
+/*
+ *	M I S C E L L A N E O U S
+ */
+
+/*  Four-character-code (FOURCC) */
+#define v4l2_fourcc(a,b,c,d)\
+        (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
+
+/*
+ *	E N U M S
+ */
+enum v4l2_field {
+	V4L2_FIELD_ANY        = 0, /* driver can choose from none,
+				      top, bottom, interlaced
+				      depending on whatever it thinks
+				      is approximate ... */
+	V4L2_FIELD_NONE       = 1, /* this device has no fields ... */
+	V4L2_FIELD_TOP        = 2, /* top field only */
+	V4L2_FIELD_BOTTOM     = 3, /* bottom field only */
+	V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
+	V4L2_FIELD_SEQ_TB     = 5, /* both fields sequential into one
+				      buffer, top-bottom order */
+	V4L2_FIELD_SEQ_BT     = 6, /* same as above + bottom-top order */
+	V4L2_FIELD_ALTERNATE  = 7, /* both fields alternating into
+				      separate buffers */
+};
+#define V4L2_FIELD_HAS_TOP(field)	\
+	((field) == V4L2_FIELD_TOP 	||\
+	 (field) == V4L2_FIELD_INTERLACED ||\
+	 (field) == V4L2_FIELD_SEQ_TB	||\
+	 (field) == V4L2_FIELD_SEQ_BT)
+#define V4L2_FIELD_HAS_BOTTOM(field)	\
+	((field) == V4L2_FIELD_BOTTOM 	||\
+	 (field) == V4L2_FIELD_INTERLACED ||\
+	 (field) == V4L2_FIELD_SEQ_TB	||\
+	 (field) == V4L2_FIELD_SEQ_BT)
+#define V4L2_FIELD_HAS_BOTH(field)	\
+	((field) == V4L2_FIELD_INTERLACED ||\
+	 (field) == V4L2_FIELD_SEQ_TB	||\
+	 (field) == V4L2_FIELD_SEQ_BT)
+
+enum v4l2_buf_type {
+	V4L2_BUF_TYPE_VIDEO_CAPTURE  = 1,
+	V4L2_BUF_TYPE_VIDEO_OUTPUT   = 2,
+	V4L2_BUF_TYPE_VIDEO_OVERLAY  = 3,
+	V4L2_BUF_TYPE_VBI_CAPTURE    = 4,
+	V4L2_BUF_TYPE_VBI_OUTPUT     = 5,
+	V4L2_BUF_TYPE_PRIVATE        = 0x80,
+};
+
+enum v4l2_ctrl_type {
+	V4L2_CTRL_TYPE_INTEGER	     = 1,
+	V4L2_CTRL_TYPE_BOOLEAN	     = 2,
+	V4L2_CTRL_TYPE_MENU	     = 3,
+	V4L2_CTRL_TYPE_BUTTON	     = 4,
+};
+
+enum v4l2_tuner_type {
+	V4L2_TUNER_RADIO	     = 1,
+	V4L2_TUNER_ANALOG_TV	     = 2,
+};
+
+enum v4l2_memory {
+	V4L2_MEMORY_MMAP             = 1,
+	V4L2_MEMORY_USERPTR          = 2,
+	V4L2_MEMORY_OVERLAY          = 3,
+};
+
+/* see also http://vektor.theorem.ca/graphics/ycbcr/ */
+enum v4l2_colorspace {
+	/* ITU-R 601 -- broadcast NTSC/PAL */
+	V4L2_COLORSPACE_SMPTE170M     = 1,
+
+	/* 1125-Line (US) HDTV */
+	V4L2_COLORSPACE_SMPTE240M     = 2,
+
+	/* HD and modern captures. */
+	V4L2_COLORSPACE_REC709        = 3,
+	
+	/* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
+	V4L2_COLORSPACE_BT878         = 4,
+	
+	/* These should be useful.  Assume 601 extents. */
+	V4L2_COLORSPACE_470_SYSTEM_M  = 5,
+	V4L2_COLORSPACE_470_SYSTEM_BG = 6,
+	
+	/* I know there will be cameras that send this.  So, this is
+	 * unspecified chromaticities and full 0-255 on each of the
+	 * Y'CbCr components
+	 */
+	V4L2_COLORSPACE_JPEG          = 7,
+	
+	/* For RGB colourspaces, this is probably a good start. */
+	V4L2_COLORSPACE_SRGB          = 8,
+};
+
+struct v4l2_rect {
+	__s32   left;
+	__s32   top;
+	__s32   width;
+	__s32   height;
+};
+
+struct v4l2_fract {
+	__u32   numerator;
+	__u32   denominator;
+};
+
+/*
+ *	D R I V E R   C A P A B I L I T I E S
+ */
+struct v4l2_capability
+{
+	__u8	driver[16];	/* i.e. "bttv" */
+	__u8	card[32];	/* i.e. "Hauppauge WinTV" */
+	__u8	bus_info[32];	/* "PCI:" + pci_dev->slot_name */
+	__u32   version;        /* should use KERNEL_VERSION() */
+	__u32	capabilities;	/* Device capabilities */
+	__u32	reserved[4];
+};
+
+/* Values for 'capabilities' field */
+#define V4L2_CAP_VIDEO_CAPTURE	0x00000001  /* Is a video capture device */
+#define V4L2_CAP_VIDEO_OUTPUT	0x00000002  /* Is a video output device */
+#define V4L2_CAP_VIDEO_OVERLAY	0x00000004  /* Can do video overlay */
+#define V4L2_CAP_VBI_CAPTURE	0x00000010  /* Is a VBI capture device */
+#define V4L2_CAP_VBI_OUTPUT	0x00000020  /* Is a VBI output device */
+#define V4L2_CAP_RDS_CAPTURE	0x00000100  /* RDS data capture */
+
+#define V4L2_CAP_TUNER		0x00010000  /* Has a tuner */
+#define V4L2_CAP_AUDIO		0x00020000  /* has audio support */
+
+#define V4L2_CAP_READWRITE      0x01000000  /* read/write systemcalls */
+#define V4L2_CAP_ASYNCIO        0x02000000  /* async I/O */
+#define V4L2_CAP_STREAMING      0x04000000  /* streaming I/O ioctls */
+
+/*
+ *	V I D E O   I M A G E   F O R M A T
+ */
+
+struct v4l2_pix_format
+{
+	__u32         	 	width;
+	__u32	         	height;
+	__u32	         	pixelformat;
+	enum v4l2_field  	field;
+	__u32            	bytesperline;	/* for padding, zero if unused */
+	__u32          	 	sizeimage;
+        enum v4l2_colorspace	colorspace;
+	__u32			priv;		/* private data, depends on pixelformat */
+};
+
+/*           Pixel format    FOURCC                  depth  Description   */
+#define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R','G','B','1') /*  8  RGB-3-3-2     */
+#define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R','G','B','O') /* 16  RGB-5-5-5     */
+#define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R','G','B','P') /* 16  RGB-5-6-5     */
+#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16  RGB-5-5-5 BE  */
+#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16  RGB-5-6-5 BE  */
+#define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B','G','R','3') /* 24  BGR-8-8-8     */
+#define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R','G','B','3') /* 24  RGB-8-8-8     */
+#define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B','G','R','4') /* 32  BGR-8-8-8-8   */
+#define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R','G','B','4') /* 32  RGB-8-8-8-8   */
+#define V4L2_PIX_FMT_GREY    v4l2_fourcc('G','R','E','Y') /*  8  Greyscale     */
+#define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y','V','U','9') /*  9  YVU 4:1:0     */
+#define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y','V','1','2') /* 12  YVU 4:2:0     */
+#define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y','U','Y','V') /* 16  YUV 4:2:2     */
+#define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U','Y','V','Y') /* 16  YUV 4:2:2     */
+#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16  YVU422 planar */
+#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16  YVU411 planar */
+#define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y','4','1','P') /* 12  YUV 4:1:1     */
+
+/* two planes -- one Y, one Cr + Cb interleaved  */
+#define V4L2_PIX_FMT_NV12    v4l2_fourcc('N','V','1','2') /* 12  Y/CbCr 4:2:0  */
+#define V4L2_PIX_FMT_NV21    v4l2_fourcc('N','V','2','1') /* 12  Y/CrCb 4:2:0  */
+
+/*  The following formats are not defined in the V4L2 specification */
+#define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y','U','V','9') /*  9  YUV 4:1:0     */
+#define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y','U','1','2') /* 12  YUV 4:2:0     */
+#define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y','Y','U','V') /* 16  YUV 4:2:2     */
+#define V4L2_PIX_FMT_HI240   v4l2_fourcc('H','I','2','4') /*  8  8-bit color   */
+
+/* compressed formats */
+#define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M','J','P','G') /* Motion-JPEG   */
+#define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J','P','E','G') /* JFIF JPEG     */
+#define V4L2_PIX_FMT_DV       v4l2_fourcc('d','v','s','d') /* 1394          */
+#define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M','P','E','G') /* MPEG          */
+
+/*  Vendor-specific formats   */
+#define V4L2_PIX_FMT_WNVA    v4l2_fourcc('W','N','V','A') /* Winnov hw compres */
+
+/*
+ *	F O R M A T   E N U M E R A T I O N
+ */
+struct v4l2_fmtdesc
+{
+	__u32	            index;             /* Format number      */
+	enum v4l2_buf_type  type;              /* buffer type        */
+	__u32               flags;
+	__u8	            description[32];   /* Description string */
+	__u32	            pixelformat;       /* Format fourcc      */
+	__u32	            reserved[4];
+};
+
+#define V4L2_FMT_FLAG_COMPRESSED 0x0001
+
+
+/*
+ *	T I M E C O D E
+ */
+struct v4l2_timecode
+{
+	__u32	type;
+	__u32	flags;
+	__u8	frames;
+	__u8	seconds;
+	__u8	minutes;
+	__u8	hours;
+	__u8	userbits[4];
+};
+
+/*  Type  */
+#define V4L2_TC_TYPE_24FPS		1
+#define V4L2_TC_TYPE_25FPS		2
+#define V4L2_TC_TYPE_30FPS		3
+#define V4L2_TC_TYPE_50FPS		4
+#define V4L2_TC_TYPE_60FPS		5
+
+/*  Flags  */
+#define V4L2_TC_FLAG_DROPFRAME		0x0001 /* "drop-frame" mode */
+#define V4L2_TC_FLAG_COLORFRAME		0x0002
+#define V4L2_TC_USERBITS_field		0x000C
+#define V4L2_TC_USERBITS_USERDEFINED	0x0000
+#define V4L2_TC_USERBITS_8BITCHARS	0x0008
+/* The above is based on SMPTE timecodes */
+
+
+/*
+ *	C O M P R E S S I O N   P A R A M E T E R S
+ */
+#if 0
+/* ### generic compression settings don't work, there is too much
+ * ### codec-specific stuff.  Maybe reuse that for MPEG codec settings
+ * ### later ... */
+struct v4l2_compression
+{
+	__u32	quality;
+	__u32	keyframerate;
+	__u32	pframerate;
+	__u32	reserved[5];
+};
+#endif
+
+struct v4l2_jpegcompression
+{
+	int quality;
+
+	int  APPn;              /* Number of APP segment to be written,
+				 * must be 0..15 */
+	int  APP_len;           /* Length of data in JPEG APPn segment */
+	char APP_data[60];      /* Data in the JPEG APPn segment. */
+	
+	int  COM_len;           /* Length of data in JPEG COM segment */
+	char COM_data[60];      /* Data in JPEG COM segment */
+	
+	__u32 jpeg_markers;     /* Which markers should go into the JPEG
+				 * output. Unless you exactly know what
+				 * you do, leave them untouched.
+				 * Inluding less markers will make the
+				 * resulting code smaller, but there will
+				 * be fewer aplications which can read it.
+				 * The presence of the APP and COM marker
+				 * is influenced by APP_len and COM_len
+				 * ONLY, not by this property! */
+	
+#define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
+#define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
+#define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
+#define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
+#define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
+                                        * allways use APP0 */
+};
+
+
+/*
+ *	M E M O R Y - M A P P I N G   B U F F E R S
+ */
+struct v4l2_requestbuffers
+{
+	__u32	                count;
+	enum v4l2_buf_type      type;
+	enum v4l2_memory        memory;
+	__u32	                reserved[2];
+};
+
+struct v4l2_buffer
+{
+	__u32			index;
+	enum v4l2_buf_type      type;
+	__u32			bytesused;
+	__u32			flags;
+	enum v4l2_field		field;
+	struct timeval		timestamp;
+	struct v4l2_timecode	timecode;
+	__u32			sequence;
+
+	/* memory location */
+	enum v4l2_memory        memory;
+	union {
+		__u32           offset;
+		unsigned long   userptr;
+	} m;
+	__u32			length;
+
+	__u32			reserved[2];
+};
+
+/*  Flags for 'flags' field */
+#define V4L2_BUF_FLAG_MAPPED	0x0001  /* Buffer is mapped (flag) */
+#define V4L2_BUF_FLAG_QUEUED	0x0002	/* Buffer is queued for processing */
+#define V4L2_BUF_FLAG_DONE	0x0004	/* Buffer is ready */
+#define V4L2_BUF_FLAG_KEYFRAME	0x0008	/* Image is a keyframe (I-frame) */
+#define V4L2_BUF_FLAG_PFRAME	0x0010	/* Image is a P-frame */
+#define V4L2_BUF_FLAG_BFRAME	0x0020	/* Image is a B-frame */
+#define V4L2_BUF_FLAG_TIMECODE	0x0100	/* timecode field is valid */
+
+/*
+ *	O V E R L A Y   P R E V I E W
+ */
+struct v4l2_framebuffer
+{
+	__u32			capability;
+	__u32			flags;
+/* FIXME: in theory we should pass something like PCI device + memory
+ * region + offset instead of some physical address */
+	void*                   base;
+	struct v4l2_pix_format	fmt;
+};
+/*  Flags for the 'capability' field. Read only */
+#define V4L2_FBUF_CAP_EXTERNOVERLAY	0x0001
+#define V4L2_FBUF_CAP_CHROMAKEY		0x0002
+#define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
+#define V4L2_FBUF_CAP_BITMAP_CLIPPING	0x0008
+/*  Flags for the 'flags' field. */
+#define V4L2_FBUF_FLAG_PRIMARY		0x0001
+#define V4L2_FBUF_FLAG_OVERLAY		0x0002
+#define V4L2_FBUF_FLAG_CHROMAKEY	0x0004
+
+struct v4l2_clip
+{
+	struct v4l2_rect        c;
+	struct v4l2_clip	*next;
+};
+
+struct v4l2_window
+{
+	struct v4l2_rect        w;
+	enum v4l2_field  	field;
+	__u32			chromakey;
+	struct v4l2_clip	*clips;
+	__u32			clipcount;
+	void			*bitmap;
+};
+
+
+/*
+ *	C A P T U R E   P A R A M E T E R S
+ */
+struct v4l2_captureparm
+{
+	__u32		   capability;	  /*  Supported modes */
+	__u32		   capturemode;	  /*  Current mode */
+	struct v4l2_fract  timeperframe;  /*  Time per frame in .1us units */
+	__u32		   extendedmode;  /*  Driver-specific extensions */
+	__u32              readbuffers;   /*  # of buffers for read */
+	__u32		   reserved[4];
+};
+/*  Flags for 'capability' and 'capturemode' fields */
+#define V4L2_MODE_HIGHQUALITY	0x0001	/*  High quality imaging mode */
+#define V4L2_CAP_TIMEPERFRAME	0x1000	/*  timeperframe field is supported */
+
+struct v4l2_outputparm
+{
+	__u32		   capability;	 /*  Supported modes */
+	__u32		   outputmode;	 /*  Current mode */
+	struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
+	__u32		   extendedmode; /*  Driver-specific extensions */
+	__u32              writebuffers; /*  # of buffers for write */
+	__u32		   reserved[4];
+};
+
+/*
+ *	I N P U T   I M A G E   C R O P P I N G
+ */
+
+struct v4l2_cropcap {
+	enum v4l2_buf_type      type;	
+        struct v4l2_rect        bounds;
+        struct v4l2_rect        defrect;
+        struct v4l2_fract       pixelaspect;
+};
+
+struct v4l2_crop {
+	enum v4l2_buf_type      type;
+	struct v4l2_rect        c;
+};
+
+/*
+ *      A N A L O G   V I D E O   S T A N D A R D
+ */
+
+typedef __u64 v4l2_std_id;
+
+/* one bit for each */
+#define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
+#define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
+#define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
+#define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
+#define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
+#define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
+#define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
+#define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
+
+#define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
+#define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
+#define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
+#define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
+
+#define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)
+#define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)
+
+#define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
+#define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
+#define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
+#define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
+#define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
+#define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
+#define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
+
+/* ATSC/HDTV */
+#define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
+#define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
+
+/* some common needed stuff */
+#define V4L2_STD_PAL_BG		(V4L2_STD_PAL_B		|\
+				 V4L2_STD_PAL_B1	|\
+				 V4L2_STD_PAL_G)
+#define V4L2_STD_PAL_DK		(V4L2_STD_PAL_D		|\
+				 V4L2_STD_PAL_D1	|\
+				 V4L2_STD_PAL_K)
+#define V4L2_STD_PAL		(V4L2_STD_PAL_BG	|\
+				 V4L2_STD_PAL_DK	|\
+				 V4L2_STD_PAL_H		|\
+				 V4L2_STD_PAL_I)
+#define V4L2_STD_NTSC           (V4L2_STD_NTSC_M	|\
+				 V4L2_STD_NTSC_M_JP)
+#define V4L2_STD_SECAM		(V4L2_STD_SECAM_B	|\
+				 V4L2_STD_SECAM_D	|\
+				 V4L2_STD_SECAM_G	|\
+				 V4L2_STD_SECAM_H	|\
+				 V4L2_STD_SECAM_K	|\
+				 V4L2_STD_SECAM_K1	|\
+				 V4L2_STD_SECAM_L)
+
+#define V4L2_STD_525_60		(V4L2_STD_PAL_M		|\
+				 V4L2_STD_PAL_60	|\
+				 V4L2_STD_NTSC)
+#define V4L2_STD_625_50		(V4L2_STD_PAL		|\
+				 V4L2_STD_PAL_N		|\
+				 V4L2_STD_PAL_Nc	|\
+				 V4L2_STD_SECAM)
+
+#define V4L2_STD_UNKNOWN        0
+#define V4L2_STD_ALL            (V4L2_STD_525_60	|\
+				 V4L2_STD_625_50)
+
+struct v4l2_standard
+{
+	__u32	       	     index;
+	v4l2_std_id          id;
+	__u8		     name[24];
+	struct v4l2_fract    frameperiod; /* Frames, not fields */
+	__u32		     framelines;
+	__u32		     reserved[4];
+};
+
+
+/*
+ *	V I D E O   I N P U T S
+ */
+struct v4l2_input
+{
+	__u32	     index;		/*  Which input */
+	__u8	     name[32];	        /*  Label */
+	__u32	     type;		/*  Type of input */
+	__u32	     audioset;	        /*  Associated audios (bitfield) */
+	__u32        tuner;             /*  Associated tuner */
+	v4l2_std_id  std;
+	__u32	     status;
+	__u32	     reserved[4];
+};
+/*  Values for the 'type' field */
+#define V4L2_INPUT_TYPE_TUNER		1
+#define V4L2_INPUT_TYPE_CAMERA		2
+
+/* field 'status' - general */
+#define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
+#define V4L2_IN_ST_NO_SIGNAL   0x00000002
+#define V4L2_IN_ST_NO_COLOR    0x00000004
+
+/* field 'status' - analog */
+#define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
+#define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
+
+/* field 'status' - digital */
+#define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
+#define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
+#define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
+
+/* field 'status' - VCR and set-top box */
+#define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
+#define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
+#define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
+
+/*
+ *	V I D E O   O U T P U T S
+ */
+struct v4l2_output
+{
+	__u32	     index;		/*  Which output */
+	__u8	     name[32];	        /*  Label */
+	__u32	     type;		/*  Type of output */
+	__u32	     audioset;	        /*  Associated audios (bitfield) */
+	__u32	     modulator;         /*  Associated modulator */
+	v4l2_std_id  std;
+	__u32	     reserved[4];
+};
+/*  Values for the 'type' field */
+#define V4L2_OUTPUT_TYPE_MODULATOR		1
+#define V4L2_OUTPUT_TYPE_ANALOG			2
+#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY	3
+
+/*
+ *	C O N T R O L S
+ */
+struct v4l2_control
+{
+	__u32		     id;
+	__s32		     value;
+};
+
+/*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
+struct v4l2_queryctrl
+{
+	__u32	             id;
+	enum v4l2_ctrl_type  type;
+	__u8		     name[32];	/* Whatever */
+	__s32		     minimum;	/* Note signedness */
+	__s32		     maximum;
+	__s32	             step;
+	__s32		     default_value;
+	__u32                flags;
+	__u32		     reserved[2];
+};
+
+/*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
+struct v4l2_querymenu
+{
+	__u32		id;
+	__u32		index;
+	__u8		name[32];	/* Whatever */
+	__u32		reserved;
+};
+
+/*  Control flags  */
+#define V4L2_CTRL_FLAG_DISABLED		0x0001
+#define V4L2_CTRL_FLAG_GRABBED		0x0002
+
+/*  Control IDs defined by V4L2 */
+#define V4L2_CID_BASE			0x00980900
+/*  IDs reserved for driver specific controls */
+#define V4L2_CID_PRIVATE_BASE		0x08000000
+
+#define V4L2_CID_BRIGHTNESS		(V4L2_CID_BASE+0)
+#define V4L2_CID_CONTRAST		(V4L2_CID_BASE+1)
+#define V4L2_CID_SATURATION		(V4L2_CID_BASE+2)
+#define V4L2_CID_HUE			(V4L2_CID_BASE+3)
+#define V4L2_CID_AUDIO_VOLUME		(V4L2_CID_BASE+5)
+#define V4L2_CID_AUDIO_BALANCE		(V4L2_CID_BASE+6)
+#define V4L2_CID_AUDIO_BASS		(V4L2_CID_BASE+7)
+#define V4L2_CID_AUDIO_TREBLE		(V4L2_CID_BASE+8)
+#define V4L2_CID_AUDIO_MUTE		(V4L2_CID_BASE+9)
+#define V4L2_CID_AUDIO_LOUDNESS		(V4L2_CID_BASE+10)
+#define V4L2_CID_BLACK_LEVEL		(V4L2_CID_BASE+11)
+#define V4L2_CID_AUTO_WHITE_BALANCE	(V4L2_CID_BASE+12)
+#define V4L2_CID_DO_WHITE_BALANCE	(V4L2_CID_BASE+13)
+#define V4L2_CID_RED_BALANCE		(V4L2_CID_BASE+14)
+#define V4L2_CID_BLUE_BALANCE		(V4L2_CID_BASE+15)
+#define V4L2_CID_GAMMA			(V4L2_CID_BASE+16)
+#define V4L2_CID_WHITENESS		(V4L2_CID_GAMMA) /* ? Not sure */
+#define V4L2_CID_EXPOSURE		(V4L2_CID_BASE+17)
+#define V4L2_CID_AUTOGAIN		(V4L2_CID_BASE+18)
+#define V4L2_CID_GAIN			(V4L2_CID_BASE+19)
+#define V4L2_CID_HFLIP			(V4L2_CID_BASE+20)
+#define V4L2_CID_VFLIP			(V4L2_CID_BASE+21)
+#define V4L2_CID_HCENTER		(V4L2_CID_BASE+22)
+#define V4L2_CID_VCENTER		(V4L2_CID_BASE+23)
+#define V4L2_CID_LASTP1			(V4L2_CID_BASE+24) /* last CID + 1 */
+
+/*
+ *	T U N I N G
+ */
+struct v4l2_tuner
+{
+	__u32                   index;
+	__u8			name[32];
+	enum v4l2_tuner_type    type;
+	__u32			capability;
+	__u32			rangelow;
+	__u32			rangehigh;
+	__u32			rxsubchans;
+	__u32			audmode;
+	__s32			signal;
+	__s32			afc;
+	__u32			reserved[4];
+};
+
+struct v4l2_modulator
+{
+	__u32			index;
+	__u8			name[32];
+	__u32			capability;
+	__u32			rangelow;
+	__u32			rangehigh;
+	__u32			txsubchans;
+	__u32			reserved[4];
+};
+
+/*  Flags for the 'capability' field */
+#define V4L2_TUNER_CAP_LOW		0x0001
+#define V4L2_TUNER_CAP_NORM		0x0002
+#define V4L2_TUNER_CAP_STEREO		0x0010
+#define V4L2_TUNER_CAP_LANG2		0x0020
+#define V4L2_TUNER_CAP_SAP		0x0020
+#define V4L2_TUNER_CAP_LANG1		0x0040
+
+/*  Flags for the 'rxsubchans' field */
+#define V4L2_TUNER_SUB_MONO		0x0001
+#define V4L2_TUNER_SUB_STEREO		0x0002
+#define V4L2_TUNER_SUB_LANG2		0x0004
+#define V4L2_TUNER_SUB_SAP		0x0004
+#define V4L2_TUNER_SUB_LANG1		0x0008
+
+/*  Values for the 'audmode' field */
+#define V4L2_TUNER_MODE_MONO		0x0000
+#define V4L2_TUNER_MODE_STEREO		0x0001
+#define V4L2_TUNER_MODE_LANG2		0x0002
+#define V4L2_TUNER_MODE_SAP		0x0002
+#define V4L2_TUNER_MODE_LANG1		0x0003
+
+struct v4l2_frequency
+{
+	__u32	              tuner;
+	enum v4l2_tuner_type  type;
+        __u32	              frequency;
+	__u32	              reserved[8];
+};
+
+/*
+ *	A U D I O
+ */
+struct v4l2_audio
+{
+	__u32	index;
+	__u8	name[32];
+	__u32	capability;
+	__u32	mode;
+	__u32	reserved[2];
+};
+/*  Flags for the 'capability' field */
+#define V4L2_AUDCAP_STEREO		0x00001
+#define V4L2_AUDCAP_AVL			0x00002
+
+/*  Flags for the 'mode' field */
+#define V4L2_AUDMODE_AVL		0x00001
+
+struct v4l2_audioout
+{
+	__u32	index;
+	__u8	name[32];
+	__u32	capability;
+	__u32	mode;
+	__u32	reserved[2];
+};
+
+/*
+ *	D A T A   S E R V I C E S   ( V B I )
+ *
+ *	Data services API by Michael Schimek
+ */
+
+struct v4l2_vbi_format
+{
+	__u32	sampling_rate;		/* in 1 Hz */
+	__u32	offset;
+	__u32	samples_per_line;
+	__u32	sample_format;		/* V4L2_PIX_FMT_* */
+	__s32	start[2];
+	__u32	count[2];
+	__u32	flags;			/* V4L2_VBI_* */
+	__u32	reserved[2];		/* must be zero */
+};
+
+/*  VBI flags  */
+#define V4L2_VBI_UNSYNC		(1<< 0)
+#define V4L2_VBI_INTERLACED	(1<< 1)
+
+
+/*
+ *	A G G R E G A T E   S T R U C T U R E S
+ */
+
+/*	Stream data format
+ */
+struct v4l2_format
+{
+	enum v4l2_buf_type type;
+	union
+	{
+		struct v4l2_pix_format	pix;  // V4L2_BUF_TYPE_VIDEO_CAPTURE
+		struct v4l2_window	win;  // V4L2_BUF_TYPE_VIDEO_OVERLAY
+		struct v4l2_vbi_format	vbi;  // V4L2_BUF_TYPE_VBI_CAPTURE
+		__u8	raw_data[200];        // user-defined
+	} fmt;
+};
+
+
+/*	Stream type-dependent parameters
+ */
+struct v4l2_streamparm
+{
+	enum v4l2_buf_type type;
+	union
+	{
+		struct v4l2_captureparm	capture;
+		struct v4l2_outputparm	output;
+		__u8	raw_data[200];  /* user-defined */
+	} parm;
+};
+
+
+
+/*
+ *	I O C T L   C O D E S   F O R   V I D E O   D E V I C E S
+ *
+ */
+#define VIDIOC_QUERYCAP		_IOR  ('V',  0, struct v4l2_capability)
+#define VIDIOC_RESERVED		_IO   ('V',  1)
+#define VIDIOC_ENUM_FMT         _IOWR ('V',  2, struct v4l2_fmtdesc)
+#define VIDIOC_G_FMT		_IOWR ('V',  4, struct v4l2_format)
+#define VIDIOC_S_FMT		_IOWR ('V',  5, struct v4l2_format)
+#if 0
+#define VIDIOC_G_COMP		_IOR  ('V',  6, struct v4l2_compression)
+#define VIDIOC_S_COMP		_IOW  ('V',  7, struct v4l2_compression)
+#endif
+#define VIDIOC_REQBUFS		_IOWR ('V',  8, struct v4l2_requestbuffers)
+#define VIDIOC_QUERYBUF		_IOWR ('V',  9, struct v4l2_buffer)
+#define VIDIOC_G_FBUF		_IOR  ('V', 10, struct v4l2_framebuffer)
+#define VIDIOC_S_FBUF		_IOW  ('V', 11, struct v4l2_framebuffer)
+#define VIDIOC_OVERLAY		_IOWR ('V', 14, int)
+#define VIDIOC_QBUF		_IOWR ('V', 15, struct v4l2_buffer)
+#define VIDIOC_DQBUF		_IOWR ('V', 17, struct v4l2_buffer)
+#define VIDIOC_STREAMON		_IOW  ('V', 18, int)
+#define VIDIOC_STREAMOFF	_IOW  ('V', 19, int)
+#define VIDIOC_G_PARM		_IOWR ('V', 21, struct v4l2_streamparm)
+#define VIDIOC_S_PARM		_IOW  ('V', 22, struct v4l2_streamparm)
+#define VIDIOC_G_STD		_IOR  ('V', 23, v4l2_std_id)
+#define VIDIOC_S_STD		_IOW  ('V', 24, v4l2_std_id)
+#define VIDIOC_ENUMSTD		_IOWR ('V', 25, struct v4l2_standard)
+#define VIDIOC_ENUMINPUT	_IOWR ('V', 26, struct v4l2_input)
+#define VIDIOC_G_CTRL		_IOWR ('V', 27, struct v4l2_control)
+#define VIDIOC_S_CTRL		_IOW  ('V', 28, struct v4l2_control)
+#define VIDIOC_G_TUNER		_IOWR ('V', 29, struct v4l2_tuner)
+#define VIDIOC_S_TUNER		_IOW  ('V', 30, struct v4l2_tuner)
+#define VIDIOC_G_AUDIO		_IOWR ('V', 33, struct v4l2_audio)
+#define VIDIOC_S_AUDIO		_IOW  ('V', 34, struct v4l2_audio)
+#define VIDIOC_QUERYCTRL	_IOWR ('V', 36, struct v4l2_queryctrl)
+#define VIDIOC_QUERYMENU	_IOWR ('V', 37, struct v4l2_querymenu)
+#define VIDIOC_G_INPUT		_IOR  ('V', 38, int)
+#define VIDIOC_S_INPUT		_IOWR ('V', 39, int)
+#define VIDIOC_G_OUTPUT		_IOR  ('V', 46, int)
+#define VIDIOC_S_OUTPUT		_IOWR ('V', 47, int)
+#define VIDIOC_ENUMOUTPUT	_IOWR ('V', 48, struct v4l2_output)
+#define VIDIOC_G_AUDOUT		_IOWR ('V', 49, struct v4l2_audioout)
+#define VIDIOC_S_AUDOUT		_IOW  ('V', 50, struct v4l2_audioout)
+#define VIDIOC_G_MODULATOR	_IOWR ('V', 54, struct v4l2_modulator)
+#define VIDIOC_S_MODULATOR	_IOW  ('V', 55, struct v4l2_modulator)
+#define VIDIOC_G_FREQUENCY	_IOWR ('V', 56, struct v4l2_frequency)
+#define VIDIOC_S_FREQUENCY	_IOW  ('V', 57, struct v4l2_frequency)
+#define VIDIOC_CROPCAP		_IOR  ('V', 58, struct v4l2_cropcap)
+#define VIDIOC_G_CROP		_IOWR ('V', 59, struct v4l2_crop)
+#define VIDIOC_S_CROP		_IOW  ('V', 60, struct v4l2_crop)
+#define VIDIOC_G_JPEGCOMP	_IOR  ('V', 61, struct v4l2_jpegcompression)
+#define VIDIOC_S_JPEGCOMP	_IOW  ('V', 62, struct v4l2_jpegcompression)
+#define VIDIOC_QUERYSTD      	_IOR  ('V', 63, v4l2_std_id)
+#define VIDIOC_TRY_FMT      	_IOWR ('V', 63, struct v4l2_format)
+
+#define BASE_VIDIOC_PRIVATE	192		/* 192-255 are private */
+
+
+#ifdef __KERNEL__
+/*
+ *
+ *	V 4 L 2   D R I V E R   H E L P E R   A P I
+ *
+ *	Some commonly needed functions for drivers (v4l2-common.o module)
+ */
+#include <linux/fs.h>
+
+/*  Video standard functions  */
+extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);
+extern int v4l2_video_std_construct(struct v4l2_standard *vs,
+				    int id, char *name);
+
+/*  Compatibility layer interface  */
+typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file,
+			   unsigned int cmd, void *arg);
+int v4l_compat_translate_ioctl(struct inode *inode, struct file *file,
+			       int cmd, void *arg, v4l2_kioctl driver_ioctl);
+
+/* names for fancy debug output */
+extern char *v4l2_field_names[];
+extern char *v4l2_type_names[];
+extern char *v4l2_ioctl_names[];
+
+#endif /* __KERNEL__ */
+#endif /* __LINUX_VIDEODEV2_H */
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */
diff --git a/include/linux/xattr_acl.h b/include/linux/xattr_acl.h
new file mode 100644
index 000000000000..7a1f9b93a45f
--- /dev/null
+++ b/include/linux/xattr_acl.h
@@ -0,0 +1,50 @@
+/*
+  File: linux/xattr_acl.h
+
+  (extended attribute representation of access control lists)
+
+  (C) 2000 Andreas Gruenbacher, <a.gruenbacher@computer.org>
+*/
+
+#ifndef _LINUX_XATTR_ACL_H
+#define _LINUX_XATTR_ACL_H
+
+#include <linux/posix_acl.h>
+
+#define XATTR_NAME_ACL_ACCESS	"system.posix_acl_access"
+#define XATTR_NAME_ACL_DEFAULT	"system.posix_acl_default"
+
+#define XATTR_ACL_VERSION	0x0002
+
+typedef struct {
+	__u16		e_tag;
+	__u16		e_perm;
+	__u32		e_id;
+} xattr_acl_entry;
+
+typedef struct {
+	__u32		a_version;
+	xattr_acl_entry	a_entries[0];
+} xattr_acl_header;
+
+static inline size_t xattr_acl_size(int count)
+{
+	return sizeof(xattr_acl_header) + count * sizeof(xattr_acl_entry);
+}
+
+static inline int xattr_acl_count(size_t size)
+{
+	if (size < sizeof(xattr_acl_header))
+		return -1;
+	size -= sizeof(xattr_acl_header);
+	if (size % sizeof(xattr_acl_entry))
+		return -1;
+	return size / sizeof(xattr_acl_entry);
+}
+
+struct posix_acl * posix_acl_from_xattr(const void *value, size_t size);
+int posix_acl_to_xattr(const struct posix_acl *acl, void *buffer, size_t size);
+
+
+
+#endif /* _LINUX_XATTR_ACL_H */