Merge osdl.org:/home/mochel/src/kernel/linux-2.5-virgin

into osdl.org:/home/mochel/src/kernel/linux-2.5-core

13 files changed, 79 insertions, 155 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 9c7e6d86e810..285fd86e2b48 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -270,7 +270,7 @@ struct request_queue
 	 * Together with queue_head for cacheline sharing
 	 */
 	struct list_head	queue_head;
-	struct list_head	*last_merge;
+	struct request		*last_merge;
 	elevator_t		elevator;
 
 	/*
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 3d466f6680cb..f747117285f4 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -36,11 +36,13 @@ int cpufreq_unregister_notifier(struct notifier_block *nb, unsigned int list);
 #define CPUFREQ_POLICY_NOTIFIER		(1)
 
 
-/********************** cpufreq policy notifiers *********************/
+/* if (cpufreq_driver->target) exists, the ->governor decides what frequency
+ * within the limits is used. If (cpufreq_driver->setpolicy> exists, these
+ * two generic policies are available:
+ */
 
 #define CPUFREQ_POLICY_POWERSAVE	(1)
 #define CPUFREQ_POLICY_PERFORMANCE	(2)
-#define CPUFREQ_POLICY_GOVERNOR		(3)
 
 /* Frequency values here are CPU kHz so that hardware which doesn't run 
  * with some frequencies can complain without having to guess what per 
@@ -151,6 +153,7 @@ int cpufreq_governor(unsigned int cpu, unsigned int event);
 int cpufreq_register_governor(struct cpufreq_governor *governor);
 void cpufreq_unregister_governor(struct cpufreq_governor *governor);
 
+
 /*********************************************************************
  *                      CPUFREQ DRIVER INTERFACE                     *
  *********************************************************************/
@@ -176,6 +179,7 @@ struct cpufreq_driver {
 
 	/* optional */
 	int	(*exit)		(struct cpufreq_policy *policy);
+	int	(*resume)	(struct cpufreq_policy *policy);
 	struct freq_attr	**attr;
 };
 
@@ -221,7 +225,6 @@ int cpufreq_parse_governor (char *str_governor, unsigned int *policy, struct cpu
 /*********************************************************************
  *                      CPUFREQ USERSPACE GOVERNOR                   *
  *********************************************************************/
-extern struct cpufreq_governor cpufreq_gov_userspace;
 int cpufreq_gov_userspace_init(void);
 
 int cpufreq_setmax(unsigned int cpu);
@@ -280,6 +283,19 @@ enum {
 
 
 /*********************************************************************
+ *                       CPUFREQ DEFAULT GOVERNOR                    *
+ *********************************************************************/
+
+
+#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
+extern struct cpufreq_governor cpufreq_gov_performance;
+#define CPUFREQ_DEFAULT_GOVERNOR	&cpufreq_gov_performance
+#elif CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE
+extern struct cpufreq_governor cpufreq_gov_userspace;
+#define CPUFREQ_DEFAULT_GOVERNOR	&cpufreq_gov_userspace
+#endif
+
+/*********************************************************************
  *                     FREQUENCY TABLE HELPERS                       *
  *********************************************************************/
 
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index ac30ae089069..e43d670c1371 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -1,7 +1,7 @@
 #ifndef _LINUX_ELEVATOR_H
 #define _LINUX_ELEVATOR_H
 
-typedef int (elevator_merge_fn) (request_queue_t *, struct list_head **,
+typedef int (elevator_merge_fn) (request_queue_t *, struct request **,
 				 struct bio *);
 
 typedef void (elevator_merge_req_fn) (request_queue_t *, struct request *, struct request *);
@@ -10,7 +10,7 @@ typedef void (elevator_merged_fn) (request_queue_t *, struct request *);
 
 typedef struct request *(elevator_next_req_fn) (request_queue_t *);
 
-typedef void (elevator_add_req_fn) (request_queue_t *, struct request *, struct list_head *);
+typedef void (elevator_add_req_fn) (request_queue_t *, struct request *, int);
 typedef int (elevator_queue_empty_fn) (request_queue_t *);
 typedef void (elevator_remove_req_fn) (request_queue_t *, struct request *);
 typedef void (elevator_requeue_req_fn) (request_queue_t *, struct request *);
@@ -62,7 +62,7 @@ struct elevator_s
  */
 extern void elv_add_request(request_queue_t *, struct request *, int, int);
 extern void __elv_add_request(request_queue_t *, struct request *, int, int);
-extern int elv_merge(request_queue_t *, struct list_head **, struct bio *);
+extern int elv_merge(request_queue_t *, struct request **, struct bio *);
 extern void elv_merge_requests(request_queue_t *, struct request *,
 			       struct request *);
 extern void elv_merged_request(request_queue_t *, struct request *);
@@ -79,9 +79,6 @@ extern void elv_completed_request(request_queue_t *, struct request *);
 extern int elv_set_request(request_queue_t *, struct request *, int);
 extern void elv_put_request(request_queue_t *, struct request *);
 
-#define __elv_add_request_pos(q, rq, pos)	\
-	(q)->elevator.elevator_add_req_fn((q), (rq), (pos))
-
 /*
  * noop I/O scheduler. always merges, always inserts new request at tail
  */
@@ -111,4 +108,11 @@ extern inline int elv_try_last_merge(request_queue_t *, struct bio *);
 #define ELEVATOR_FRONT_MERGE	1
 #define ELEVATOR_BACK_MERGE	2
 
+/*
+ * Insertion selection
+ */
+#define ELEVATOR_INSERT_FRONT	1
+#define ELEVATOR_INSERT_BACK	2
+#define ELEVATOR_INSERT_SORT	3
+
 #endif
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 87ae270bf96c..d10db09f6164 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -373,7 +373,7 @@ struct inode {
 	unsigned int		i_nlink;
 	uid_t			i_uid;
 	gid_t			i_gid;
-	kdev_t			i_rdev;
+	dev_t			i_rdev;
 	loff_t			i_size;
 	struct timespec		i_atime;
 	struct timespec		i_mtime;
@@ -469,12 +469,12 @@ static inline void i_size_write(struct inode *inode, loff_t i_size)
 
 static inline unsigned iminor(struct inode *inode)
 {
-	return minor(inode->i_rdev);
+	return MINOR(inode->i_rdev);
 }
 
 static inline unsigned imajor(struct inode *inode)
 {
-	return major(inode->i_rdev);
+	return MAJOR(inode->i_rdev);
 }
 
 struct fown_struct {
@@ -1156,7 +1156,6 @@ extern struct block_device *lookup_bdev(const char *);
 extern struct block_device *open_bdev_excl(const char *, int, int, void *);
 extern void close_bdev_excl(struct block_device *, int);
 
-extern const char * cdevname(kdev_t);
 extern void init_special_inode(struct inode *, umode_t, dev_t);
 
 /* Invalid inode operations -- fs/bad_inode.c */
@@ -1390,6 +1389,9 @@ struct tree_descr { char *name; struct file_operations *ops; int mode; };
 extern int simple_fill_super(struct super_block *, int, struct tree_descr *);
 extern int simple_pin_fs(char *name, struct vfsmount **mount, int *count);
 extern void simple_release_fs(struct vfsmount **mount, int *count);
+extern int old_valid_dev(dev_t);
+extern u16 old_encode_dev(dev_t);
+extern dev_t old_decode_dev(u16);
 
 extern int inode_change_ok(struct inode *, struct iattr *);
 extern int inode_setattr(struct inode *, struct iattr *);
diff --git a/include/linux/kdev_t.h b/include/linux/kdev_t.h
index 900a4a1e1282..f60508da024d 100644
--- a/include/linux/kdev_t.h
+++ b/include/linux/kdev_t.h
@@ -1,101 +1,6 @@
 #ifndef _LINUX_KDEV_T_H
 #define _LINUX_KDEV_T_H
 #ifdef __KERNEL__
-/*
-As a preparation for the introduction of larger device numbers,
-we introduce a type kdev_t to hold them. No information about
-this type is known outside of this include file.
-
-Objects of type kdev_t designate a device. Outside of the kernel
-the corresponding things are objects of type dev_t - usually an
-integral type with the device major and minor in the high and low
-bits, respectively. Conversion is done by
-
-extern kdev_t to_kdev_t(int);
-
-It is up to the various file systems to decide how objects of type
-dev_t are stored on disk.
-The only other point of contact between kernel and outside world
-are the system calls stat and mknod, new versions of which will
-eventually have to be used in libc.
-
-[Unfortunately, the floppy control ioctls fail to hide the internal
-kernel structures, and the fd_device field of a struct floppy_drive_struct
-is user-visible. So, it remains a dev_t for the moment, with some ugly
-conversions in floppy.c.]
-
-Inside the kernel, we aim for a kdev_t type that is a pointer
-to a structure with information about the device (like major,
-minor, size, blocksize, sectorsize, name, read-only flag,
-struct file_operations etc.).
-
-However, for the time being we let kdev_t be almost the same as dev_t:
-
-typedef struct { unsigned short major, minor; } kdev_t;
-
-Admissible operations on an object of type kdev_t:
-- passing it along
-- comparing it for equality with another such object
-- storing it in inode->i_rdev or tty->device
-- using its bit pattern as argument in a hash function
-- finding its major and minor
-- complaining about it
-
-An object of type kdev_t is created only by the function MKDEV(),
-with the single exception of the constant 0 (no device).
-
-Right now the other information mentioned above is usually found
-in static arrays indexed by major or major,minor.
-
-An obstacle to immediately using
-    typedef struct { ... (* lots of information *) } *kdev_t
-is the case of mknod used to create a block device that the
-kernel doesn't know about at present (but first learns about
-when some module is inserted).
-
-aeb - 950811
-*/
-
-
-/*
- * NOTE NOTE NOTE!
- *
- * The kernel-internal "kdev_t" will eventually have
- * 20 bits for minor numbers, and 12 bits for majors.
- *
- * HOWEVER, the external representation is still 8+8
- * bits, and there is no way to generate the extended
- * "kdev_t" format yet. Which is just as well, since
- * we still use "minor" as an index into various
- * static arrays, and they are sized for a 8-bit index.
- */
-typedef struct {
-	unsigned short value;
-} kdev_t;
-
-#define KDEV_MINOR_BITS		8
-#define KDEV_MAJOR_BITS		8
-
-#define __mkdev(major,minor)	(((major) << KDEV_MINOR_BITS) + (minor))
-
-#define mk_kdev(major, minor)	((kdev_t) { __mkdev(major,minor) } )
-
-/*
- * The "values" are just _cookies_, usable for 
- * internal equality comparisons and for things
- * like NFS filehandle conversion.
- */
-static inline unsigned int kdev_val(kdev_t dev)
-{
-	return dev.value;
-}
-
-#define NODEV		(mk_kdev(0,0))
-
-/* Mask off the high bits for now.. */
-#define minor(dev)	((dev).value & 0xff)
-#define major(dev)	(((dev).value >> KDEV_MINOR_BITS) & 0xff)
-
 /* These are for user-level "dev_t" */
 #define MINORBITS	8
 #define MINORMASK	((1U << MINORBITS) - 1)
@@ -104,20 +9,6 @@ static inline unsigned int kdev_val(kdev_t dev)
 #define MINOR(dev)	((unsigned int) ((dev) & MINORMASK))
 #define MKDEV(ma,mi)	(((ma) << MINORBITS) | (mi))
 
-/*
- * Conversion functions
- */
-
-static inline int kdev_t_to_nr(kdev_t dev)
-{
-	return MKDEV(major(dev), minor(dev));
-}
-
-static inline kdev_t to_kdev_t(int dev)
-{
-	return mk_kdev(MAJOR(dev),MINOR(dev));
-}
-
 #define print_dev_t(buffer, dev)					\
 	sprintf((buffer), "%u:%u\n", MAJOR(dev), MINOR(dev))
 
diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index 7fa02a737518..8412faeea0f7 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -29,7 +29,7 @@ extern int request_module(const char * name, ...) __attribute__ ((format (printf
 static inline int request_module(const char * name, ...) { return -ENOSYS; }
 #endif
 
-#define try_then_request_module(x, mod...) ((x) ?: request_module(mod), (x))
+#define try_then_request_module(x, mod...) ((x) ?: (request_module(mod), (x)))
 extern int call_usermodehelper(char *path, char *argv[], char *envp[], int wait);
 
 #ifdef CONFIG_HOTPLUG
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 445fc58751c7..9f9743146b54 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -110,6 +110,7 @@ struct vm_area_struct {
 #define VM_RESERVED	0x00080000	/* Don't unmap it from swap_out */
 #define VM_ACCOUNT	0x00100000	/* Is a VM accounted object */
 #define VM_HUGETLB	0x00400000	/* Huge TLB Page VM */
+#define VM_NONLINEAR	0x00800000	/* Is non-linear (remap_file_pages) */
 
 #ifndef VM_STACK_DEFAULT_FLAGS		/* arch can override this */
 #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS
diff --git a/include/linux/mman.h b/include/linux/mman.h
index a8956f6588ad..cfb6ac61bbde 100644
--- a/include/linux/mman.h
+++ b/include/linux/mman.h
@@ -2,6 +2,7 @@
 #define _LINUX_MMAN_H
 
 #include <linux/config.h>
+#include <linux/mm.h>
 
 #include <asm/atomic.h>
 #include <asm/mman.h>
@@ -27,4 +28,32 @@ static inline void vm_unacct_memory(long pages)
 	vm_acct_memory(-pages);
 }
 
+/* Optimisation macro. */
+#define _calc_vm_trans(x,bit1,bit2) \
+  ((bit1) <= (bit2) ? ((x) & (bit1)) * ((bit2) / (bit1)) \
+   : ((x) & (bit1)) / ((bit1) / (bit2)))
+
+/*
+ * Combine the mmap "prot" argument into "vm_flags" used internally.
+ */
+static inline unsigned long
+calc_vm_prot_bits(unsigned long prot)
+{
+	return _calc_vm_trans(prot, PROT_READ,  VM_READ ) |
+	       _calc_vm_trans(prot, PROT_WRITE, VM_WRITE) |
+	       _calc_vm_trans(prot, PROT_EXEC,  VM_EXEC );
+}
+
+/*
+ * Combine the mmap "flags" argument into "vm_flags" used internally.
+ */
+static inline unsigned long
+calc_vm_flag_bits(unsigned long flags)
+{
+	return _calc_vm_trans(flags, MAP_GROWSDOWN,  VM_GROWSDOWN ) |
+	       _calc_vm_trans(flags, MAP_DENYWRITE,  VM_DENYWRITE ) |
+	       _calc_vm_trans(flags, MAP_EXECUTABLE, VM_EXECUTABLE) |
+	       _calc_vm_trans(flags, MAP_LOCKED,     VM_LOCKED    );
+}
+
 #endif /* _LINUX_MMAN_H */
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 3d46a2caaade..88b705d8cefe 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -23,7 +23,7 @@ struct nfs_fattr {
 			__u64	used;
 		} nfs3;
 	} du;
-	__u32			rdev;
+	dev_t			rdev;
 	union {
 		__u64		nfs3;		/* also nfs2 */
 		struct {
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 3e3a26916a12..fd8b35209ccc 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -3,9 +3,6 @@
 
 #include <linux/netlink.h>
 
-#define RTNL_DEBUG 1
-
-
 /****
  *		Routing/neighbour discovery messages.
  ****/
diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index 6ebaff34570c..6131e3c9aa45 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -1,7 +1,7 @@
 /* SCTP kernel reference Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
  * Copyright (c) 1999-2000 Cisco, Inc.
  * Copyright (c) 1999-2001 Motorola, Inc.
- * Copyright (c) 2001-2002 International Business Machines, Corp.
  * Copyright (c) 2001 Intel Corp.
  * Copyright (c) 2001 Nokia, Inc.
  * Copyright (c) 2001 La Monte H.P. Yarroll
@@ -42,6 +42,8 @@
  *    randall@sctp.chicago.il.us
  *    kmorneau@cisco.com
  *    qxie1@email.mot.com
+ *    Sridhar Samudrala <sri@us.ibm.com>
+ *    Kevin Gao <kevin.gao@intel.com>
  *
  * Any bugs reported given to us we will try to fix... any fixes shared will
  * be incorporated into the next SCTP release.
@@ -507,6 +509,11 @@ typedef struct sctp_cwr_chunk {
  *	The ASCONF Parameter Response is used in the ASCONF-ACK to
  *	report status of ASCONF processing.
  */
+typedef struct sctp_addip_param {
+	sctp_paramhdr_t	param_hdr;
+	__u32		crr_id;	
+}sctp_addip_param_t __attribute__((packed));
+
 typedef struct sctp_addiphdr {
 	__u32	serial;
 	__u8	params[0];
diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index ac8ac46845ba..c851b7dc997e 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -138,4 +138,7 @@ struct tty_ldisc {
 
 #define LDISC_FLAG_DEFINED	0x00000001
 
+#define MODULE_ALIAS_LDISC(ldisc) \
+	MODULE_ALIAS("tty-ldisc-" __stringify(ldisc))
+
 #endif /* _LINUX_TTY_LDISC_H */
diff --git a/include/linux/vcache.h b/include/linux/vcache.h
deleted file mode 100644
index 5708fe6a908a..000000000000
--- a/include/linux/vcache.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * virtual => physical mapping cache support.
- */
-#ifndef _LINUX_VCACHE_H
-#define _LINUX_VCACHE_H
-
-typedef struct vcache_s {
-	unsigned long address;
-	struct mm_struct *mm;
-	struct list_head hash_entry;
-	void (*callback)(struct vcache_s *data, struct page *new_page);
-} vcache_t;
-
-extern spinlock_t vcache_lock;
-
-extern void __attach_vcache(vcache_t *vcache,
-		unsigned long address,
-		struct mm_struct *mm,
-		void (*callback)(struct vcache_s *data, struct page *new_page));
-
-extern void __detach_vcache(vcache_t *vcache);
-
-extern void invalidate_vcache(unsigned long address, struct mm_struct *mm,
-				struct page *new_page);
-
-#endif