Merge cantab.net:/home/src/bklinux-2.6

into cantab.net:/home/src/ntfs-2.6

19 files changed, 250 insertions, 16 deletions

diff --git a/include/linux/affs_fs.h b/include/linux/affs_fs.h
index c849309b1131..5ba9d6205dc0 100644
--- a/include/linux/affs_fs.h
+++ b/include/linux/affs_fs.h
@@ -36,7 +36,8 @@ extern u32	affs_count_free_bits(u32 blocksize, const void *data);
 extern u32	affs_count_free_blocks(struct super_block *s);
 extern void	affs_free_block(struct super_block *sb, u32 block);
 extern u32	affs_alloc_block(struct inode *inode, u32 goal);
-extern int	affs_init_bitmap(struct super_block *sb);
+extern int	affs_init_bitmap(struct super_block *sb, int *flags);
+extern void	affs_free_bitmap(struct super_block *sb);
 
 /* namei.c */
 
diff --git a/include/linux/affs_fs_sb.h b/include/linux/affs_fs_sb.h
index d2f86715cf1c..d722befe1ced 100644
--- a/include/linux/affs_fs_sb.h
+++ b/include/linux/affs_fs_sb.h
@@ -47,7 +47,6 @@ struct affs_sb_info {
 #define SF_OFS		0x0200		/* Old filesystem */
 #define SF_PREFIX	0x0400		/* Buffer for prefix is allocated */
 #define SF_VERBOSE	0x0800		/* Talk about fs when mounting */
-#define SF_READONLY	0x1000		/* Don't allow to remount rw */
 
 /* short cut to get to the affs specific sb data */
 static inline struct affs_sb_info *AFFS_SB(struct super_block *sb)
diff --git a/include/linux/bio.h b/include/linux/bio.h
index c4dd287dd1c8..601531cf4976 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -25,6 +25,15 @@
 
 /* Platforms may set this to teach the BIO layer about IOMMU hardware. */
 #include <asm/io.h>
+
+#if defined(BIO_VMERGE_MAX_SIZE) && defined(BIO_VMERGE_BOUNDARY)
+#define BIOVEC_VIRT_START_SIZE(x) (bvec_to_phys(x) & (BIO_VMERGE_BOUNDARY - 1))
+#define BIOVEC_VIRT_OVERSIZE(x)	((x) > BIO_VMERGE_MAX_SIZE)
+#else
+#define BIOVEC_VIRT_START_SIZE(x)	0
+#define BIOVEC_VIRT_OVERSIZE(x)		0
+#endif
+
 #ifndef BIO_VMERGE_BOUNDARY
 #define BIO_VMERGE_BOUNDARY	0
 #endif
@@ -81,6 +90,15 @@ struct bio {
 	unsigned short		bi_hw_segments;
 
 	unsigned int		bi_size;	/* residual I/O count */
+
+	/*
+	 * To keep track of the max hw size, we account for the
+	 * sizes of the first and last virtually mergeable segments
+	 * in this bio
+	 */
+	unsigned int		bi_hw_front_size;
+	unsigned int		bi_hw_back_size;
+
 	unsigned int		bi_max_vecs;	/* max bvl_vecs we can hold */
 
 	struct bio_vec		*bi_io_vec;	/* the actual vec list */
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 6902724691d2..e038f9a3d0ef 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -67,4 +67,12 @@ extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size,
 	__alloc_bootmem_node((pgdat), (x), PAGE_SIZE, 0)
 #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
 
+extern void *__init alloc_large_system_hash(const char *tablename,
+					    unsigned long bucketsize,
+					    unsigned long numentries,
+					    int scale,
+					    int consider_highmem,
+					    unsigned int *_hash_shift,
+					    unsigned int *_hash_mask);
+
 #endif /* _LINUX_BOOTMEM_H */
diff --git a/include/linux/dmi.h b/include/linux/dmi.h
new file mode 100644
index 000000000000..d2bcf556088b
--- /dev/null
+++ b/include/linux/dmi.h
@@ -0,0 +1,47 @@
+#ifndef __DMI_H__
+#define __DMI_H__
+
+enum dmi_field {
+	DMI_NONE,
+	DMI_BIOS_VENDOR,
+	DMI_BIOS_VERSION,
+	DMI_BIOS_DATE,
+	DMI_SYS_VENDOR,
+	DMI_PRODUCT_NAME,
+	DMI_PRODUCT_VERSION,
+	DMI_BOARD_VENDOR,
+	DMI_BOARD_NAME,
+	DMI_BOARD_VERSION,
+	DMI_STRING_MAX,
+};
+
+/*
+ *	DMI callbacks for problem boards
+ */
+struct dmi_strmatch {
+	u8 slot;
+	char *substr;
+};
+
+struct dmi_system_id {
+	int (*callback)(struct dmi_system_id *);
+	char *ident;
+	struct dmi_strmatch matches[4];
+	void *driver_data;
+};
+
+#define DMI_MATCH(a,b)	{ a, b }
+
+#if defined(CONFIG_X86) && !defined(CONFIG_X86_64)
+
+extern int dmi_check_system(struct dmi_system_id *list);
+extern char * dmi_get_system_info(int field);
+
+#else
+
+static inline int dmi_check_system(struct dmi_system_id *list) { return 0; }
+static inline char * dmi_get_system_info(int field) { return NULL; }
+
+#endif
+
+#endif	/* __DMI_H__ */
diff --git a/include/linux/ds1286.h b/include/linux/ds1286.h
new file mode 100644
index 000000000000..d8989860e4ce
--- /dev/null
+++ b/include/linux/ds1286.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 1998, 1999, 2003 Ralf Baechle
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __LINUX_DS1286_H
+#define __LINUX_DS1286_H
+
+#include <asm/ds1286.h>
+
+/**********************************************************************
+ * register summary
+ **********************************************************************/
+#define RTC_HUNDREDTH_SECOND	0
+#define RTC_SECONDS		1
+#define RTC_MINUTES		2
+#define RTC_MINUTES_ALARM	3
+#define RTC_HOURS		4
+#define RTC_HOURS_ALARM		5
+#define RTC_DAY			6
+#define RTC_DAY_ALARM		7
+#define RTC_DATE		8
+#define RTC_MONTH		9
+#define RTC_YEAR		10
+#define RTC_CMD			11
+#define RTC_WHSEC		12
+#define RTC_WSEC		13
+#define RTC_UNUSED		14
+
+/* RTC_*_alarm is always true if 2 MSBs are set */
+# define RTC_ALARM_DONT_CARE 	0xC0
+
+
+/*
+ * Bits in the month register
+ */
+#define RTC_EOSC		0x80
+#define RTC_ESQW		0x40
+
+/*
+ * Bits in the Command register
+ */
+#define RTC_TDF			0x01
+#define RTC_WAF			0x02
+#define RTC_TDM			0x04
+#define RTC_WAM			0x08
+#define RTC_PU_LVL		0x10
+#define RTC_IBH_LO		0x20
+#define RTC_IPSW		0x40
+#define RTC_TE			0x80
+
+#endif /* __LINUX_DS1286_H */
diff --git a/include/linux/errqueue.h b/include/linux/errqueue.h
index 0d87e62ec9e7..174582fedb8b 100644
--- a/include/linux/errqueue.h
+++ b/include/linux/errqueue.h
@@ -22,6 +22,10 @@ struct sock_extended_err
 #ifdef __KERNEL__
 
 #include <linux/config.h>
+#include <net/ip.h>
+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#include <linux/ipv6.h>
+#endif
 
 #define SKB_EXT_ERR(skb) ((struct sock_exterr_skb *) ((skb)->cb))
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 10a69a544045..88337ed4f4f2 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -214,15 +214,17 @@ extern int leases_enable, dir_notify_enable, lease_break_time;
 #include <linux/list.h>
 #include <linux/radix-tree.h>
 #include <linux/audit.h>
+#include <linux/init.h>
 #include <asm/semaphore.h>
 #include <asm/byteorder.h>
 
 /* Used to be a macro which just called the function, now just a function */
 extern void update_atime (struct inode *);
 
-extern void inode_init(unsigned long);
-extern void mnt_init(unsigned long);
-extern void files_init(unsigned long);
+extern void __init inode_init(unsigned long);
+extern void __init inode_init_early(void);
+extern void __init mnt_init(unsigned long);
+extern void __init files_init(unsigned long);
 
 struct buffer_head;
 typedef int (get_block_t)(struct inode *inode, sector_t iblock,
@@ -977,7 +979,8 @@ static inline void touch_atime(struct vfsmount *mnt, struct dentry *dentry)
 
 static inline void file_accessed(struct file *file)
 {
-	touch_atime(file->f_vfsmnt, file->f_dentry);
+	if (!(file->f_flags & O_NOATIME))
+		touch_atime(file->f_vfsmnt, file->f_dentry);
 }
 
 int sync_inode(struct inode *inode, struct writeback_control *wbc);
@@ -1199,7 +1202,8 @@ extern int filp_close(struct file *, fl_owner_t id);
 extern char * getname(const char __user *);
 
 /* fs/dcache.c */
-extern void vfs_caches_init(unsigned long);
+extern void __init vfs_caches_init_early(void);
+extern void __init vfs_caches_init(unsigned long);
 
 #define __getname()	kmem_cache_alloc(names_cachep, SLAB_KERNEL)
 #define __putname(name) kmem_cache_free(names_cachep, (void *)(name))
diff --git a/include/linux/idr.h b/include/linux/idr.h
index 8e2618e3f334..f41128683d65 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -1,5 +1,5 @@
 /*
- * include/linux/id.h
+ * include/linux/idr.h
  * 
  * 2002-10-18  written by Jim Houston jim.houston@ccur.com
  *	Copyright (C) 2002 by Concurrent Computer Corporation
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 67da15c2e1e3..9eb023020b44 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -92,6 +92,15 @@ asmlinkage int printk(const char * fmt, ...)
 
 unsigned long int_sqrt(unsigned long);
 
+static inline int __attribute_pure__ long_log2(unsigned long x)
+{
+	int r = 0;
+	for (x >>= 1; x > 0; x >>= 1)
+		r++;
+	return r;
+}
+
+
 extern int printk_ratelimit(void);
 extern int __printk_ratelimit(int ratelimit_jiffies, int ratelimit_burst);
 
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index f1e1a727acb2..373a13ba6f3f 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -20,6 +20,18 @@
 #define MAX_ORDER CONFIG_FORCE_MAX_ZONEORDER
 #endif
 
+/*
+ * system hash table size limits
+ * - on large memory machines, we may want to allocate a bigger hash than that
+ *   permitted by MAX_ORDER, so we allocate with the bootmem allocator, and are
+ *   limited to this size
+ */
+#if MAX_ORDER > 14
+#define MAX_SYS_HASH_TABLE_ORDER MAX_ORDER
+#else
+#define MAX_SYS_HASH_TABLE_ORDER 14
+#endif
+
 struct free_area {
 	struct list_head	free_list;
 	unsigned long		*map;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index a55f97a34035..97758cd8f50e 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -405,6 +405,7 @@ struct net_device
 #define NETIF_F_HW_VLAN_FILTER	512	/* Receive filtering on VLAN */
 #define NETIF_F_VLAN_CHALLENGED	1024	/* Device cannot handle VLAN packets */
 #define NETIF_F_TSO		2048	/* Can offload TCP/IP segmentation */
+#define NETIF_F_LLTX		4096	/* LockLess TX */
 
 	/* Called after device is detached from network. */
 	void			(*uninit)(struct net_device *dev);
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index b20c79258825..83f9668653ca 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -10,6 +10,7 @@
 #include <linux/wait.h>
 #include <linux/list.h>
 #endif
+#include <linux/compiler.h>
 
 /* Responses from hook functions. */
 #define NF_DROP 0
diff --git a/include/linux/netfilter_arp/arp_tables.h b/include/linux/netfilter_arp/arp_tables.h
index 78c4f7142267..d6a7188b525c 100644
--- a/include/linux/netfilter_arp/arp_tables.h
+++ b/include/linux/netfilter_arp/arp_tables.h
@@ -16,7 +16,7 @@
 #include <linux/if_arp.h>
 #include <linux/skbuff.h>
 #endif
-
+#include <linux/compiler.h>
 #include <linux/netfilter_arp.h>
 
 #define ARPT_FUNCTION_MAXNAMELEN 30
diff --git a/include/linux/netfilter_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h
index f43f1dddebc4..dccc68052c88 100644
--- a/include/linux/netfilter_ipv4/ip_tables.h
+++ b/include/linux/netfilter_ipv4/ip_tables.h
@@ -22,6 +22,7 @@
 #include <linux/ip.h>
 #include <linux/skbuff.h>
 #endif
+#include <linux/compiler.h>
 #include <linux/netfilter_ipv4.h>
 
 #define IPT_FUNCTION_MAXNAMELEN 30
@@ -336,8 +337,8 @@ ipt_get_target(struct ipt_entry *e)
 /*
  *	Main firewall chains definitions and global var's definitions.
  */
-static DECLARE_MUTEX(ipt_mutex);
 #ifdef __KERNEL__
+static DECLARE_MUTEX(ipt_mutex);
 
 #include <linux/init.h>
 extern void ipt_init(void) __init;
diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h
index a0995271934a..f9983d16cc1c 100644
--- a/include/linux/netfilter_ipv6/ip6_tables.h
+++ b/include/linux/netfilter_ipv6/ip6_tables.h
@@ -22,6 +22,7 @@
 #include <linux/ipv6.h>
 #include <linux/skbuff.h>
 #endif
+#include <linux/compiler.h>
 #include <linux/netfilter_ipv6.h>
 
 #define IP6T_FUNCTION_MAXNAMELEN 30
@@ -106,7 +107,9 @@ struct ip6t_counters
 	u_int64_t pcnt, bcnt;			/* Packet and byte counters */
 };
 
+#ifdef __KERNEL__
 static DECLARE_MUTEX(ip6t_mutex);
+#endif
 
 /* Values for "flag" field in struct ip6t_ip6 (general ip6 structure). */
 #define IP6T_F_PROTO		0x01	/* Set if rule cares about upper 
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index c0af91ff4b1e..1b33d607f276 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -27,6 +27,7 @@
 #include <linux/highmem.h>
 #include <linux/poll.h>
 #include <linux/net.h>
+#include <net/checksum.h>
 
 #define HAVE_ALLOC_SKB		/* For the drivers to know */
 #define HAVE_ALIGNABLE_SKB	/* Ditto 8)		   */
@@ -995,6 +996,39 @@ static inline struct sk_buff *skb_padto(struct sk_buff *skb, unsigned int len)
 	return skb_pad(skb, len-size);
 }
 
+static inline int skb_add_data(struct sk_buff *skb,
+			       char __user *from, int copy)
+{
+	const int off = skb->len;
+
+	if (skb->ip_summed == CHECKSUM_NONE) {
+		int err = 0;
+		unsigned int csum = csum_and_copy_from_user(from,
+							    skb_put(skb, copy),
+							    copy, 0, &err);
+		if (!err) {
+			skb->csum = csum_block_add(skb->csum, csum, off);
+			return 0;
+		}
+	} else if (!copy_from_user(skb_put(skb, copy), from, copy))
+		return 0;
+
+	__skb_trim(skb, off);
+	return -EFAULT;
+}
+
+static inline int skb_can_coalesce(struct sk_buff *skb, int i,
+				   struct page *page, int off)
+{
+	if (i) {
+		struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i - 1];
+
+		return page == frag->page &&
+		       off == frag->page_offset + frag->size;
+	}
+	return 0;
+}
+
 /**
  *	skb_linearize - convert paged skb to linear one
  *	@skb: buffer to linarize
@@ -1058,6 +1092,8 @@ extern unsigned int    skb_copy_and_csum_bits(const struct sk_buff *skb,
 					      int offset, u8 *to, int len,
 					      unsigned int csum);
 extern void	       skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to);
+extern void	       skb_split(struct sk_buff *skb,
+				 struct sk_buff *skb1, const u32 len);
 
 extern void skb_init(void);
 extern void skb_add_mtu(int mtu);
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index a4ab8e826bbe..ab8727d92739 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -207,6 +207,9 @@ struct v4l2_pix_format
 #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   */
 
+/* see http://www.siliconimaging.com/RGB%20Bayer.htm */
+#define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B','A','8','1') /*  8  BGBG.. GRGR.. */
+
 /* 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     */
@@ -383,8 +386,8 @@ struct v4l2_buffer
 		unsigned long   userptr;
 	} m;
 	__u32			length;
-
-	__u32			reserved[2];
+	__u32			input;
+	__u32			reserved;
 };
 
 /*  Flags for 'flags' field */
@@ -395,6 +398,7 @@ struct v4l2_buffer
 #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 */
+#define V4L2_BUF_FLAG_INPUT     0x0200  /* input field is valid */
 
 /*
  *	O V E R L A Y   P R E V I E W
@@ -526,12 +530,13 @@ typedef __u64 v4l2_std_id;
 				 V4L2_STD_PAL_I)
 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M	|\
 				 V4L2_STD_NTSC_M_JP)
+#define V4L2_STD_SECAM_DK      	(V4L2_STD_SECAM_D	|\
+				 V4L2_STD_SECAM_K	|\
+				 V4L2_STD_SECAM_K1)
 #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_DK	|\
 				 V4L2_STD_SECAM_L)
 
 #define V4L2_STD_525_60		(V4L2_STD_PAL_M		|\
@@ -541,6 +546,8 @@ typedef __u64 v4l2_std_id;
 				 V4L2_STD_PAL_N		|\
 				 V4L2_STD_PAL_Nc	|\
 				 V4L2_STD_SECAM)
+#define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
+		                 V4L2_STD_ATSC_16_VSB)
 
 #define V4L2_STD_UNKNOWN        0
 #define V4L2_STD_ALL            (V4L2_STD_525_60	|\
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 52edb1786b14..4a9f996bb6cc 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -200,7 +200,36 @@ do {									\
 		__wait_event_interruptible_timeout(wq, condition, __ret); \
 	__ret;								\
 })
-	
+
+#define __wait_event_interruptible_exclusive(wq, condition, ret)	\
+do {									\
+	wait_queue_t __wait;						\
+	init_waitqueue_entry(&__wait, current);				\
+									\
+	add_wait_queue_exclusive(&wq, &__wait);				\
+	for (;;) {							\
+		set_current_state(TASK_INTERRUPTIBLE);			\
+		if (condition)						\
+			break;						\
+		if (!signal_pending(current)) {				\
+			schedule();					\
+			continue;					\
+		}							\
+		ret = -ERESTARTSYS;					\
+		break;							\
+	}								\
+	current->state = TASK_RUNNING;					\
+	remove_wait_queue(&wq, &__wait);				\
+} while (0)
+
+#define wait_event_interruptible_exclusive(wq, condition)		\
+({									\
+	int __ret = 0;							\
+	if (!(condition))						\
+		__wait_event_interruptible_exclusive(wq, condition, __ret);\
+	__ret;								\
+})
+
 /*
  * Must be called with the spinlock in the wait_queue_head_t held.
  */