1 files changed, 0 insertions, 514 deletions
diff --git a/ANDROID_3.4.5/include/linux/device-mapper.h b/ANDROID_3.4.5/include/linux/device-mapper.h
deleted file mode 100644
index 98f34b88..00000000
--- a/ANDROID_3.4.5/include/linux/device-mapper.h
+++ /dev/null
@@ -1,514 +0,0 @@
-/*
- * Copyright (C) 2001 Sistina Software (UK) Limited.
- * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
- *
- * This file is released under the LGPL.
- */
-
-#ifndef _LINUX_DEVICE_MAPPER_H
-#define _LINUX_DEVICE_MAPPER_H
-
-#include <linux/bio.h>
-#include <linux/blkdev.h>
-#include <linux/ratelimit.h>
-
-struct dm_dev;
-struct dm_target;
-struct dm_table;
-struct mapped_device;
-struct bio_vec;
-
-typedef enum { STATUSTYPE_INFO, STATUSTYPE_TABLE } status_type_t;
-
-union map_info {
-	void *ptr;
-	unsigned long long ll;
-	unsigned target_request_nr;
-};
-
-/*
- * In the constructor the target parameter will already have the
- * table, type, begin and len fields filled in.
- */
-typedef int (*dm_ctr_fn) (struct dm_target *target,
-			  unsigned int argc, char **argv);
-
-/*
- * The destructor doesn't need to free the dm_target, just
- * anything hidden ti->private.
- */
-typedef void (*dm_dtr_fn) (struct dm_target *ti);
-
-/*
- * The map function must return:
- * < 0: error
- * = 0: The target will handle the io by resubmitting it later
- * = 1: simple remap complete
- * = 2: The target wants to push back the io
- */
-typedef int (*dm_map_fn) (struct dm_target *ti, struct bio *bio,
-			  union map_info *map_context);
-typedef int (*dm_map_request_fn) (struct dm_target *ti, struct request *clone,
-				  union map_info *map_context);
-
-/*
- * Returns:
- * < 0 : error (currently ignored)
- * 0   : ended successfully
- * 1   : for some reason the io has still not completed (eg,
- *       multipath target might want to requeue a failed io).
- * 2   : The target wants to push back the io
- */
-typedef int (*dm_endio_fn) (struct dm_target *ti,
-			    struct bio *bio, int error,
-			    union map_info *map_context);
-typedef int (*dm_request_endio_fn) (struct dm_target *ti,
-				    struct request *clone, int error,
-				    union map_info *map_context);
-
-typedef void (*dm_flush_fn) (struct dm_target *ti);
-typedef void (*dm_presuspend_fn) (struct dm_target *ti);
-typedef void (*dm_postsuspend_fn) (struct dm_target *ti);
-typedef int (*dm_preresume_fn) (struct dm_target *ti);
-typedef void (*dm_resume_fn) (struct dm_target *ti);
-
-typedef int (*dm_status_fn) (struct dm_target *ti, status_type_t status_type,
-			     char *result, unsigned int maxlen);
-
-typedef int (*dm_message_fn) (struct dm_target *ti, unsigned argc, char **argv);
-
-typedef int (*dm_ioctl_fn) (struct dm_target *ti, unsigned int cmd,
-			    unsigned long arg);
-
-typedef int (*dm_merge_fn) (struct dm_target *ti, struct bvec_merge_data *bvm,
-			    struct bio_vec *biovec, int max_size);
-
-typedef int (*iterate_devices_callout_fn) (struct dm_target *ti,
-					   struct dm_dev *dev,
-					   sector_t start, sector_t len,
-					   void *data);
-
-typedef int (*dm_iterate_devices_fn) (struct dm_target *ti,
-				      iterate_devices_callout_fn fn,
-				      void *data);
-
-typedef void (*dm_io_hints_fn) (struct dm_target *ti,
-				struct queue_limits *limits);
-
-/*
- * Returns:
- *    0: The target can handle the next I/O immediately.
- *    1: The target can't handle the next I/O immediately.
- */
-typedef int (*dm_busy_fn) (struct dm_target *ti);
-
-void dm_error(const char *message);
-
-/*
- * Combine device limits.
- */
-int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev,
-			 sector_t start, sector_t len, void *data);
-
-struct dm_dev {
-	struct block_device *bdev;
-	fmode_t mode;
-	char name[16];
-};
-
-/*
- * Constructors should call these functions to ensure destination devices
- * are opened/closed correctly.
- */
-int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode,
-						 struct dm_dev **result);
-void dm_put_device(struct dm_target *ti, struct dm_dev *d);
-
-/*
- * Information about a target type
- */
-
-struct target_type {
-	uint64_t features;
-	const char *name;
-	struct module *module;
-	unsigned version[3];
-	dm_ctr_fn ctr;
-	dm_dtr_fn dtr;
-	dm_map_fn map;
-	dm_map_request_fn map_rq;
-	dm_endio_fn end_io;
-	dm_request_endio_fn rq_end_io;
-	dm_flush_fn flush;
-	dm_presuspend_fn presuspend;
-	dm_postsuspend_fn postsuspend;
-	dm_preresume_fn preresume;
-	dm_resume_fn resume;
-	dm_status_fn status;
-	dm_message_fn message;
-	dm_ioctl_fn ioctl;
-	dm_merge_fn merge;
-	dm_busy_fn busy;
-	dm_iterate_devices_fn iterate_devices;
-	dm_io_hints_fn io_hints;
-
-	/* For internal device-mapper use. */
-	struct list_head list;
-};
-
-/*
- * Target features
- */
-
-/*
- * Any table that contains an instance of this target must have only one.
- */
-#define DM_TARGET_SINGLETON		0x00000001
-#define dm_target_needs_singleton(type)	((type)->features & DM_TARGET_SINGLETON)
-
-/*
- * Indicates that a target does not support read-only devices.
- */
-#define DM_TARGET_ALWAYS_WRITEABLE	0x00000002
-#define dm_target_always_writeable(type) \
-		((type)->features & DM_TARGET_ALWAYS_WRITEABLE)
-
-/*
- * Any device that contains a table with an instance of this target may never
- * have tables containing any different target type.
- */
-#define DM_TARGET_IMMUTABLE		0x00000004
-#define dm_target_is_immutable(type)	((type)->features & DM_TARGET_IMMUTABLE)
-
-struct dm_target {
-	struct dm_table *table;
-	struct target_type *type;
-
-	/* target limits */
-	sector_t begin;
-	sector_t len;
-
-	/* Always a power of 2 */
-	sector_t split_io;
-
-	/*
-	 * A number of zero-length barrier requests that will be submitted
-	 * to the target for the purpose of flushing cache.
-	 *
-	 * The request number will be placed in union map_info->target_request_nr.
-	 * It is a responsibility of the target driver to remap these requests
-	 * to the real underlying devices.
-	 */
-	unsigned num_flush_requests;
-
-	/*
-	 * The number of discard requests that will be submitted to the
-	 * target.  map_info->request_nr is used just like num_flush_requests.
-	 */
-	unsigned num_discard_requests;
-
-	/* target specific data */
-	void *private;
-
-	/* Used to provide an error string from the ctr */
-	char *error;
-
-	/*
-	 * Set if this target needs to receive discards regardless of
-	 * whether or not its underlying devices have support.
-	 */
-	unsigned discards_supported:1;
-
-	/*
-	 * Set if this target does not return zeroes on discarded blocks.
-	 */
-	unsigned discard_zeroes_data_unsupported:1;
-};
-
-/* Each target can link one of these into the table */
-struct dm_target_callbacks {
-	struct list_head list;
-	int (*congested_fn) (struct dm_target_callbacks *, int);
-};
-
-int dm_register_target(struct target_type *t);
-void dm_unregister_target(struct target_type *t);
-
-/*
- * Target argument parsing.
- */
-struct dm_arg_set {
-	unsigned argc;
-	char **argv;
-};
-
-/*
- * The minimum and maximum value of a numeric argument, together with
- * the error message to use if the number is found to be outside that range.
- */
-struct dm_arg {
-	unsigned min;
-	unsigned max;
-	char *error;
-};
-
-/*
- * Validate the next argument, either returning it as *value or, if invalid,
- * returning -EINVAL and setting *error.
- */
-int dm_read_arg(struct dm_arg *arg, struct dm_arg_set *arg_set,
-		unsigned *value, char **error);
-
-/*
- * Process the next argument as the start of a group containing between
- * arg->min and arg->max further arguments. Either return the size as
- * *num_args or, if invalid, return -EINVAL and set *error.
- */
-int dm_read_arg_group(struct dm_arg *arg, struct dm_arg_set *arg_set,
-		      unsigned *num_args, char **error);
-
-/*
- * Return the current argument and shift to the next.
- */
-const char *dm_shift_arg(struct dm_arg_set *as);
-
-/*
- * Move through num_args arguments.
- */
-void dm_consume_args(struct dm_arg_set *as, unsigned num_args);
-
-/*-----------------------------------------------------------------
- * Functions for creating and manipulating mapped devices.
- * Drop the reference with dm_put when you finish with the object.
- *---------------------------------------------------------------*/
-
-/*
- * DM_ANY_MINOR chooses the next available minor number.
- */
-#define DM_ANY_MINOR (-1)
-int dm_create(int minor, struct mapped_device **md);
-
-/*
- * Reference counting for md.
- */
-struct mapped_device *dm_get_md(dev_t dev);
-void dm_get(struct mapped_device *md);
-void dm_put(struct mapped_device *md);
-
-/*
- * An arbitrary pointer may be stored alongside a mapped device.
- */
-void dm_set_mdptr(struct mapped_device *md, void *ptr);
-void *dm_get_mdptr(struct mapped_device *md);
-
-/*
- * A device can still be used while suspended, but I/O is deferred.
- */
-int dm_suspend(struct mapped_device *md, unsigned suspend_flags);
-int dm_resume(struct mapped_device *md);
-
-/*
- * Event functions.
- */
-uint32_t dm_get_event_nr(struct mapped_device *md);
-int dm_wait_event(struct mapped_device *md, int event_nr);
-uint32_t dm_next_uevent_seq(struct mapped_device *md);
-void dm_uevent_add(struct mapped_device *md, struct list_head *elist);
-
-/*
- * Info functions.
- */
-const char *dm_device_name(struct mapped_device *md);
-int dm_copy_name_and_uuid(struct mapped_device *md, char *name, char *uuid);
-struct gendisk *dm_disk(struct mapped_device *md);
-int dm_suspended(struct dm_target *ti);
-int dm_noflush_suspending(struct dm_target *ti);
-union map_info *dm_get_mapinfo(struct bio *bio);
-union map_info *dm_get_rq_mapinfo(struct request *rq);
-
-/*
- * Geometry functions.
- */
-int dm_get_geometry(struct mapped_device *md, struct hd_geometry *geo);
-int dm_set_geometry(struct mapped_device *md, struct hd_geometry *geo);
-
-
-/*-----------------------------------------------------------------
- * Functions for manipulating device-mapper tables.
- *---------------------------------------------------------------*/
-
-/*
- * First create an empty table.
- */
-int dm_table_create(struct dm_table **result, fmode_t mode,
-		    unsigned num_targets, struct mapped_device *md);
-
-/*
- * Then call this once for each target.
- */
-int dm_table_add_target(struct dm_table *t, const char *type,
-			sector_t start, sector_t len, char *params);
-
-/*
- * Target_ctr should call this if it needs to add any callbacks.
- */
-void dm_table_add_target_callbacks(struct dm_table *t, struct dm_target_callbacks *cb);
-
-/*
- * Finally call this to make the table ready for use.
- */
-int dm_table_complete(struct dm_table *t);
-
-/*
- * Table reference counting.
- */
-struct dm_table *dm_get_live_table(struct mapped_device *md);
-void dm_table_get(struct dm_table *t);
-void dm_table_put(struct dm_table *t);
-
-/*
- * Queries
- */
-sector_t dm_table_get_size(struct dm_table *t);
-unsigned int dm_table_get_num_targets(struct dm_table *t);
-fmode_t dm_table_get_mode(struct dm_table *t);
-struct mapped_device *dm_table_get_md(struct dm_table *t);
-
-/*
- * Trigger an event.
- */
-void dm_table_event(struct dm_table *t);
-
-/*
- * The device must be suspended before calling this method.
- * Returns the previous table, which the caller must destroy.
- */
-struct dm_table *dm_swap_table(struct mapped_device *md,
-			       struct dm_table *t);
-
-/*
- * A wrapper around vmalloc.
- */
-void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size);
-
-/*-----------------------------------------------------------------
- * Macros.
- *---------------------------------------------------------------*/
-#define DM_NAME "device-mapper"
-
-#ifdef CONFIG_PRINTK
-extern struct ratelimit_state dm_ratelimit_state;
-
-#define dm_ratelimit()	__ratelimit(&dm_ratelimit_state)
-#else
-#define dm_ratelimit()	0
-#endif
-
-#define DMCRIT(f, arg...) \
-	printk(KERN_CRIT DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)
-
-#define DMERR(f, arg...) \
-	printk(KERN_ERR DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)
-#define DMERR_LIMIT(f, arg...) \
-	do { \
-		if (dm_ratelimit())	\
-			printk(KERN_ERR DM_NAME ": " DM_MSG_PREFIX ": " \
-			       f "\n", ## arg); \
-	} while (0)
-
-#define DMWARN(f, arg...) \
-	printk(KERN_WARNING DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)
-#define DMWARN_LIMIT(f, arg...) \
-	do { \
-		if (dm_ratelimit())	\
-			printk(KERN_WARNING DM_NAME ": " DM_MSG_PREFIX ": " \
-			       f "\n", ## arg); \
-	} while (0)
-
-#define DMINFO(f, arg...) \
-	printk(KERN_INFO DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg)
-#define DMINFO_LIMIT(f, arg...) \
-	do { \
-		if (dm_ratelimit())	\
-			printk(KERN_INFO DM_NAME ": " DM_MSG_PREFIX ": " f \
-			       "\n", ## arg); \
-	} while (0)
-
-#ifdef CONFIG_DM_DEBUG
-#  define DMDEBUG(f, arg...) \
-	printk(KERN_DEBUG DM_NAME ": " DM_MSG_PREFIX " DEBUG: " f "\n", ## arg)
-#  define DMDEBUG_LIMIT(f, arg...) \
-	do { \
-		if (dm_ratelimit())	\
-			printk(KERN_DEBUG DM_NAME ": " DM_MSG_PREFIX ": " f \
-			       "\n", ## arg); \
-	} while (0)
-#else
-#  define DMDEBUG(f, arg...) do {} while (0)
-#  define DMDEBUG_LIMIT(f, arg...) do {} while (0)
-#endif
-
-#define DMEMIT(x...) sz += ((sz >= maxlen) ? \
-			  0 : scnprintf(result + sz, maxlen - sz, x))
-
-#define SECTOR_SHIFT 9
-
-/*
- * Definitions of return values from target end_io function.
- */
-#define DM_ENDIO_INCOMPLETE	1
-#define DM_ENDIO_REQUEUE	2
-
-/*
- * Definitions of return values from target map function.
- */
-#define DM_MAPIO_SUBMITTED	0
-#define DM_MAPIO_REMAPPED	1
-#define DM_MAPIO_REQUEUE	DM_ENDIO_REQUEUE
-
-/*
- * Ceiling(n / sz)
- */
-#define dm_div_up(n, sz) (((n) + (sz) - 1) / (sz))
-
-#define dm_sector_div_up(n, sz) ( \
-{ \
-	sector_t _r = ((n) + (sz) - 1); \
-	sector_div(_r, (sz)); \
-	_r; \
-} \
-)
-
-/*
- * ceiling(n / size) * size
- */
-#define dm_round_up(n, sz) (dm_div_up((n), (sz)) * (sz))
-
-#define dm_array_too_big(fixed, obj, num) \
-	((num) > (UINT_MAX - (fixed)) / (obj))
-
-/*
- * Sector offset taken relative to the start of the target instead of
- * relative to the start of the device.
- */
-#define dm_target_offset(ti, sector) ((sector) - (ti)->begin)
-
-static inline sector_t to_sector(unsigned long n)
-{
-	return (n >> SECTOR_SHIFT);
-}
-
-static inline unsigned long to_bytes(sector_t n)
-{
-	return (n << SECTOR_SHIFT);
-}
-
-/*-----------------------------------------------------------------
- * Helper for block layer and dm core operations
- *---------------------------------------------------------------*/
-void dm_dispatch_request(struct request *rq);
-void dm_requeue_unmapped_request(struct request *rq);
-void dm_kill_unmapped_request(struct request *rq, int error);
-int dm_underlying_device_busy(struct request_queue *q);
-
-#endif	/* _LINUX_DEVICE_MAPPER_H */