Merge kroah.com:/home/greg/linux/BK/bleed-2.6

into kroah.com:/home/greg/linux/BK/driver-2.6

13 files changed, 132 insertions, 78 deletions

diff --git a/include/linux/dqblk_xfs.h b/include/linux/dqblk_xfs.h
index 330f23e0c6d1..bf2d65765189 100644
--- a/include/linux/dqblk_xfs.h
+++ b/include/linux/dqblk_xfs.h
@@ -1,34 +1,22 @@
 /*
- * Copyright (c) 1995-2001 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 1995-2001,2004 Silicon Graphics, Inc.  All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2.1 of the GNU Lesser General Public License
  * as published by the Free Software Foundation.
  *
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * 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.
  *
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like.  Any license provided herein, whether implied or
- * otherwise, applies only to this software file.  Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
+ * 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
  *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, write the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307,
- * USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA  94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane,
+ * Mountain View, CA 94043, USA, or: http://www.sgi.com
  */
 #ifndef _LINUX_DQBLK_XFS_H
 #define _LINUX_DQBLK_XFS_H
@@ -40,12 +28,12 @@
  */
 
 #define XQM_CMD(x)	(('X'<<8)+(x))	/* note: forms first QCMD argument */
-#define Q_XQUOTAON	XQM_CMD(0x1)	/* enable accounting/enforcement */
-#define Q_XQUOTAOFF	XQM_CMD(0x2)	/* disable accounting/enforcement */
-#define Q_XGETQUOTA	XQM_CMD(0x3)	/* get disk limits and usage */
-#define Q_XSETQLIM	XQM_CMD(0x4)	/* set disk limits */
-#define Q_XGETQSTAT	XQM_CMD(0x5)	/* get quota subsystem status */
-#define Q_XQUOTARM	XQM_CMD(0x6)	/* free disk space used by dquots */
+#define Q_XQUOTAON	XQM_CMD(1)	/* enable accounting/enforcement */
+#define Q_XQUOTAOFF	XQM_CMD(2)	/* disable accounting/enforcement */
+#define Q_XGETQUOTA	XQM_CMD(3)	/* get disk limits and usage */
+#define Q_XSETQLIM	XQM_CMD(4)	/* set disk limits */
+#define Q_XGETQSTAT	XQM_CMD(5)	/* get quota subsystem status */
+#define Q_XQUOTARM	XQM_CMD(6)	/* free disk space used by dquots */
 
 /*
  * fs_disk_quota structure:
@@ -105,15 +93,30 @@ typedef struct fs_disk_quota {
 #define FS_DQ_TIMER_MASK	(FS_DQ_BTIMER | FS_DQ_ITIMER | FS_DQ_RTBTIMER)
 
 /*
+ * Warning counts are set in both super user's dquot and others. For others,
+ * warnings are set/cleared by the administrators (or automatically by going
+ * below the soft limit).  Superusers warning values set the warning limits
+ * for the rest.  In case these values are zero, the DQ_{F,B}WARNLIMIT values
+ * defined below are used. 
+ * These values also apply only to the d_fieldmask field for Q_XSETQLIM.
+ */
+#define FS_DQ_BWARNS	(1<<9)
+#define FS_DQ_IWARNS	(1<<10)
+#define FS_DQ_RTBWARNS	(1<<11)
+#define FS_DQ_WARNS_MASK	(FS_DQ_BWARNS | FS_DQ_IWARNS | FS_DQ_RTBWARNS)
+
+/*
  * Various flags related to quotactl(2).  Only relevant to XFS filesystems.
  */
 #define XFS_QUOTA_UDQ_ACCT	(1<<0)  /* user quota accounting */
 #define XFS_QUOTA_UDQ_ENFD	(1<<1)  /* user quota limits enforcement */
 #define XFS_QUOTA_GDQ_ACCT	(1<<2)  /* group quota accounting */
 #define XFS_QUOTA_GDQ_ENFD	(1<<3)  /* group quota limits enforcement */
+#define XFS_QUOTA_PDQ_ACCT	(1<<4)  /* project quota accounting */
+#define XFS_QUOTA_PDQ_ENFD	(1<<5)  /* project quota limits enforcement */
 
 #define XFS_USER_QUOTA		(1<<0)	/* user quota type */
-#define XFS_PROJ_QUOTA		(1<<1)	/* (IRIX) project quota type */
+#define XFS_PROJ_QUOTA		(1<<1)	/* project quota type */
 #define XFS_GROUP_QUOTA		(1<<2)	/* group quota type */
 
 /*
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 55aba976aba6..d7d1673880d5 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -182,8 +182,7 @@ enum {
    as offsets from skb->nh.
  */
 
-struct inet6_skb_parm
-{
+struct inet6_skb_parm {
 	int			iif;
 	__u16			ra;
 	__u16			hop;
@@ -194,6 +193,14 @@ struct inet6_skb_parm
 
 #define IP6CB(skb)	((struct inet6_skb_parm*)((skb)->cb))
 
+/**
+ * struct ipv6_pinfo - ipv6 private area
+ *
+ * In the struct sock hierarchy (tcp6_sock, upd6_sock, etc)
+ * this _must_ be the last member, so that inet6_sk_generic
+ * is able to calculate its offset from the base struct sock
+ * by using the struct proto->slab_obj_size member. -acme
+ */
 struct ipv6_pinfo {
 	struct in6_addr 	saddr;
 	struct in6_addr 	rcv_saddr;
@@ -282,10 +289,6 @@ static inline struct raw6_opt * raw6_sk(const struct sock *__sk)
 	return &((struct raw6_sock *)__sk)->raw6;
 }
 
-struct ipv6_sk_offset {
-	int	offset;
-};
-
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 #define __ipv6_only_sock(sk)	(inet6_sk(sk)->ipv6only)
 #define ipv6_only_sock(sk)	((sk)->sk_family == PF_INET6 && __ipv6_only_sock(sk))
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index bc69e1f29b46..eed506d0196d 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -734,6 +734,7 @@
 #define PCI_DEVICE_ID_TI_1251B		0xac1f
 #define PCI_DEVICE_ID_TI_4410		0xac41
 #define PCI_DEVICE_ID_TI_4451		0xac42
+#define PCI_DEVICE_ID_TI_4520		0xac46
 #define PCI_DEVICE_ID_TI_1410		0xac50
 #define PCI_DEVICE_ID_TI_1420		0xac51
 #define PCI_DEVICE_ID_TI_1451A		0xac52
diff --git a/include/linux/pm.h b/include/linux/pm.h
index d54bc441daff..7bfd2d43963e 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -194,11 +194,12 @@ extern void (*pm_idle)(void);
 extern void (*pm_power_off)(void);
 
 enum {
-	PM_SUSPEND_ON,
-	PM_SUSPEND_STANDBY,
-	PM_SUSPEND_MEM,
-	PM_SUSPEND_DISK,
-	PM_SUSPEND_MAX,
+	PM_SUSPEND_ON = 0,
+	PM_SUSPEND_STANDBY = 1,
+	/* NOTE: PM_SUSPEND_MEM == PCI_D3hot */
+	PM_SUSPEND_MEM = 3,
+	PM_SUSPEND_DISK = 4,
+	PM_SUSPEND_MAX = 5,
 };
 
 enum {
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index abcfc4bca268..c83dd15b728c 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -79,6 +79,7 @@ struct kcore_list {
 extern struct proc_dir_entry proc_root;
 extern struct proc_dir_entry *proc_root_fs;
 extern struct proc_dir_entry *proc_net;
+extern struct proc_dir_entry *proc_net_stat;
 extern struct proc_dir_entry *proc_bus;
 extern struct proc_dir_entry *proc_root_driver;
 extern struct proc_dir_entry *proc_root_kcore;
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 66a56c3d2436..b6c6ef59ab16 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -250,8 +250,8 @@ struct sk_buff {
 #ifdef CONFIG_NETFILTER
         unsigned long		nfmark;
 	__u32			nfcache;
-	struct nf_conntrack	*nfct;
 	__u32			nfctinfo;
+	struct nf_conntrack	*nfct;
 #ifdef CONFIG_NETFILTER_DEBUG
         unsigned int		nf_debug;
 #endif
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index d0955f06c9b4..932dc2ca4152 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -23,16 +23,6 @@ typedef struct pbe {
 
 #define SWAP_FILENAME_MAXLENGTH	32
 
-struct suspend_header {
-	u32 version_code;
-	unsigned long num_physpages;
-	char machine[8];
-	char version[20];
-	int num_cpus;
-	int page_size;
-	suspend_pagedir_t *suspend_pagedir;
-	unsigned int num_pbes;
-};
 
 #define SUSPEND_PD_PAGES(x)     (((x)*sizeof(struct pbe))/PAGE_SIZE+1)
    
@@ -45,16 +35,12 @@ extern void drain_local_pages(void);
 /* kernel/power/swsusp.c */
 extern int software_suspend(void);
 
-extern unsigned int nr_copy_pages __nosavedata;
-extern suspend_pagedir_t *pagedir_nosave __nosavedata;
-
 #else	/* CONFIG_SOFTWARE_SUSPEND */
 static inline int software_suspend(void)
 {
 	printk("Warning: fake suspend called\n");
 	return -EPERM;
 }
-#define software_resume()		do { } while(0)
 #endif	/* CONFIG_SOFTWARE_SUSPEND */
 
 
@@ -78,12 +64,6 @@ static inline void disable_nonboot_cpus(void) {}
 static inline void enable_nonboot_cpus(void) {}
 #endif
 
-asmlinkage void do_magic(int is_resume);
-asmlinkage void do_magic_resume_1(void);
-asmlinkage void do_magic_resume_2(void);
-asmlinkage void do_magic_suspend_1(void);
-asmlinkage void do_magic_suspend_2(void);
-
 void save_processor_state(void);
 void restore_processor_state(void);
 struct saved_context;
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index c08b42e2bee4..bd26cf298d9a 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -114,6 +114,9 @@ asmlinkage long sys_getitimer(int which, struct itimerval __user *value);
 asmlinkage long sys_setitimer(int which,
 				struct itimerval __user *value,
 				struct itimerval __user *ovalue);
+asmlinkage long sys_timer_create(clockid_t which_clock,
+				 struct sigevent __user *timer_event_spec,
+				 timer_t __user * created_timer_id);
 asmlinkage long sys_timer_gettime(timer_t timer_id,
 				struct itimerspec __user *setting);
 asmlinkage long sys_timer_getoverrun(timer_t timer_id);
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index c03df4894379..f374df7a823f 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -205,6 +205,13 @@ typedef struct tcp_pcount {
 	__u32	val;
 } tcp_pcount_t;
 
+enum tcp_congestion_algo {
+	TCP_RENO=0,
+	TCP_VEGAS,
+	TCP_WESTWOOD,
+	TCP_BIC,
+};
+
 struct tcp_opt {
 	int	tcp_header_len;	/* Bytes of tcp header to send		*/
 
@@ -265,7 +272,7 @@ struct tcp_opt {
 	__u8	frto_counter;	/* Number of new acks after RTO */
 	__u32	frto_highmark;	/* snd_nxt when RTO occurred */
 
-	__u8	unused_pad;
+	__u8	adv_cong;	/* Using Vegas, Westwood, or BIC */
 	__u8	defer_accept;	/* User waits for some data after accept() */
 	/* one byte hole, try to pack */
 
@@ -412,7 +419,6 @@ struct tcp_opt {
 		__u32	beg_snd_nxt;	/* right edge during last RTT */
 		__u32	beg_snd_una;	/* left edge  during last RTT */
 		__u32	beg_snd_cwnd;	/* saves the size of the cwnd */
-		__u8	do_vegas;	/* do vegas for this connection */
 		__u8	doing_vegas_now;/* if true, do vegas for this RTT */
 		__u16	cntRTT;		/* # of RTTs measured within last RTT */
 		__u32	minRTT;		/* min of RTTs measured within last RTT (in usec) */
diff --git a/include/linux/time.h b/include/linux/time.h
index de41e12bbbff..8bccdf73a97f 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -194,6 +194,18 @@ static inline unsigned int jiffies_to_msecs(const unsigned long j)
 	return (j * 1000) / HZ;
 #endif
 }
+
+static inline unsigned int jiffies_to_usecs(const unsigned long j)
+{
+#if HZ <= 1000 && !(1000 % HZ)
+	return (1000000 / HZ) * j;
+#elif HZ > 1000 && !(HZ % 1000)
+	return (j*1000 + (HZ - 1000))/(HZ / 1000);
+#else
+	return (j * 1000000) / HZ;
+#endif
+}
+
 static inline unsigned long msecs_to_jiffies(const unsigned int m)
 {
 #if HZ <= 1000 && !(1000 % HZ)
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 7481d70fbf41..24b4a7383b53 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -306,26 +306,27 @@ struct tty_struct {
  * tty->write.  Thus, you must use the inline functions set_bit() and
  * clear_bit() to make things atomic.
  */
-#define TTY_THROTTLED 0
-#define TTY_IO_ERROR 1
-#define TTY_OTHER_CLOSED 2
-#define TTY_EXCLUSIVE 3
-#define TTY_DEBUG 4
-#define TTY_DO_WRITE_WAKEUP 5
-#define TTY_PUSH 6
-#define TTY_CLOSING 7
-#define TTY_DONT_FLIP 8
-#define TTY_HW_COOK_OUT 14
-#define TTY_HW_COOK_IN 15
-#define TTY_PTY_LOCK 16
-#define TTY_NO_WRITE_SPLIT 17
+#define TTY_THROTTLED 		0	/* Call unthrottle() at threshold min */
+#define TTY_IO_ERROR 		1	/* Canse an I/O error (may be no ldisc too) */
+#define TTY_OTHER_CLOSED 	2	/* Other side (if any) has closed */
+#define TTY_EXCLUSIVE 		3	/* Exclusive open mode */
+#define TTY_DEBUG 		4	/* Debugging */
+#define TTY_DO_WRITE_WAKEUP 	5	/* Call write_wakeup after queuing new */
+#define TTY_PUSH 		6	/* n_tty private */
+#define TTY_CLOSING 		7	/* ->close() in progress */
+#define TTY_DONT_FLIP 		8	/* Defer buffer flip */
+#define TTY_LDISC 		9	/* Line discipline attached */
+#define TTY_HW_COOK_OUT 	14	/* Hardware can do output cooking */
+#define TTY_HW_COOK_IN 		15	/* Hardware can do input cooking */
+#define TTY_PTY_LOCK 		16	/* pty private */
+#define TTY_NO_WRITE_SPLIT 	17	/* Preserve write boundaries to driver */
+#define TTY_HUPPED 		18	/* Post driver->hangup() */
 
 #define TTY_WRITE_FLUSH(tty) tty_write_flush((tty))
 
 extern void tty_write_flush(struct tty_struct *);
 
 extern struct termios tty_std_termios;
-extern struct tty_ldisc ldiscs[];
 extern int fg_console, last_console, want_console;
 
 extern int kmsg_redirect;
@@ -362,6 +363,16 @@ extern void tty_flip_buffer_push(struct tty_struct *tty);
 extern int tty_get_baud_rate(struct tty_struct *tty);
 extern int tty_termios_baud_rate(struct termios *termios);
 
+extern struct tty_ldisc *tty_ldisc_ref(struct tty_struct *);
+extern void tty_ldisc_deref(struct tty_ldisc *);
+extern struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *);
+
+extern struct tty_ldisc *tty_ldisc_get(int);
+extern void tty_ldisc_put(int);
+
+extern void tty_wakeup(struct tty_struct *tty);
+extern void tty_ldisc_flush(struct tty_struct *tty);
+
 struct semaphore;
 extern struct semaphore tty_sem;
 
diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index cb7ca58e44e8..deacf01e50e8 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -95,6 +95,13 @@
  * 	that line discpline should try to send more characters to the
  * 	low-level driver for transmission.  If the line discpline does
  * 	not have any more data to send, it can just return.
+ *
+ * int (*hangup)(struct tty_struct *)
+ *
+ *	Called on a hangup. Tells the discipline that it should
+ *	cease I/O to the tty driver. Can sleep. The driver should
+ *	seek to perform this action quickly but should wait until
+ *	any pending driver I/O is completed.
  */
 
 #include <linux/fs.h>
@@ -122,6 +129,7 @@ struct tty_ldisc {
 	void	(*set_termios)(struct tty_struct *tty, struct termios * old);
 	unsigned int (*poll)(struct tty_struct *, struct file *,
 			     struct poll_table_struct *);
+	int	(*hangup)(struct tty_struct *tty);
 	
 	/*
 	 * The following routines are called from below.
@@ -132,6 +140,8 @@ struct tty_ldisc {
 	void	(*write_wakeup)(struct tty_struct *);
 
 	struct  module *owner;
+	
+	int refcount;
 };
 
 #define TTY_LDISC_MAGIC	0x5403
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 4417f800a639..21cd4df67b24 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -156,6 +156,29 @@ do {									\
 	__wait_event(wq, condition);					\
 } while (0)
 
+#define __wait_event_timeout(wq, condition, ret)			\
+do {									\
+	DEFINE_WAIT(__wait);						\
+									\
+	for (;;) {							\
+		prepare_to_wait(&wq, &__wait, TASK_UNINTERRUPTIBLE);	\
+		if (condition)						\
+			break;						\
+		ret = schedule_timeout(ret);				\
+		if (!ret)						\
+			break;						\
+	}								\
+	finish_wait(&wq, &__wait);					\
+} while (0)
+
+#define wait_event_timeout(wq, condition, timeout)			\
+({									\
+	long __ret = timeout;						\
+	if (!(condition)) 						\
+		__wait_event_timeout(wq, condition, __ret);		\
+	__ret;								\
+})
+
 #define __wait_event_interruptible(wq, condition, ret)			\
 do {									\
 	DEFINE_WAIT(__wait);						\