1 files changed, 0 insertions, 123 deletions
diff --git a/ANDROID_3.4.5/drivers/md/persistent-data/dm-block-manager.h b/ANDROID_3.4.5/drivers/md/persistent-data/dm-block-manager.h
deleted file mode 100644
index 924833d2..00000000
--- a/ANDROID_3.4.5/drivers/md/persistent-data/dm-block-manager.h
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * Copyright (C) 2011 Red Hat, Inc.
- *
- * This file is released under the GPL.
- */
-
-#ifndef _LINUX_DM_BLOCK_MANAGER_H
-#define _LINUX_DM_BLOCK_MANAGER_H
-
-#include <linux/types.h>
-#include <linux/blkdev.h>
-
-/*----------------------------------------------------------------*/
-
-/*
- * Block number.
- */
-typedef uint64_t dm_block_t;
-struct dm_block;
-
-dm_block_t dm_block_location(struct dm_block *b);
-void *dm_block_data(struct dm_block *b);
-
-/*----------------------------------------------------------------*/
-
-/*
- * @name should be a unique identifier for the block manager, no longer
- * than 32 chars.
- *
- * @max_held_per_thread should be the maximum number of locks, read or
- * write, that an individual thread holds at any one time.
- */
-struct dm_block_manager;
-struct dm_block_manager *dm_block_manager_create(
-	struct block_device *bdev, unsigned block_size,
-	unsigned cache_size, unsigned max_held_per_thread);
-void dm_block_manager_destroy(struct dm_block_manager *bm);
-
-unsigned dm_bm_block_size(struct dm_block_manager *bm);
-dm_block_t dm_bm_nr_blocks(struct dm_block_manager *bm);
-
-/*----------------------------------------------------------------*/
-
-/*
- * The validator allows the caller to verify newly-read data and modify
- * the data just before writing, e.g. to calculate checksums.  It's
- * important to be consistent with your use of validators.  The only time
- * you can change validators is if you call dm_bm_write_lock_zero.
- */
-struct dm_block_validator {
-	const char *name;
-	void (*prepare_for_write)(struct dm_block_validator *v, struct dm_block *b, size_t block_size);
-
-	/*
-	 * Return 0 if the checksum is valid or < 0 on error.
-	 */
-	int (*check)(struct dm_block_validator *v, struct dm_block *b, size_t block_size);
-};
-
-/*----------------------------------------------------------------*/
-
-/*
- * You can have multiple concurrent readers or a single writer holding a
- * block lock.
- */
-
-/*
- * dm_bm_lock() locks a block and returns through @result a pointer to
- * memory that holds a copy of that block.  If you have write-locked the
- * block then any changes you make to memory pointed to by @result will be
- * written back to the disk sometime after dm_bm_unlock is called.
- */
-int dm_bm_read_lock(struct dm_block_manager *bm, dm_block_t b,
-		    struct dm_block_validator *v,
-		    struct dm_block **result);
-
-int dm_bm_write_lock(struct dm_block_manager *bm, dm_block_t b,
-		     struct dm_block_validator *v,
-		     struct dm_block **result);
-
-/*
- * The *_try_lock variants return -EWOULDBLOCK if the block isn't
- * available immediately.
- */
-int dm_bm_read_try_lock(struct dm_block_manager *bm, dm_block_t b,
-			struct dm_block_validator *v,
-			struct dm_block **result);
-
-/*
- * Use dm_bm_write_lock_zero() when you know you're going to
- * overwrite the block completely.  It saves a disk read.
- */
-int dm_bm_write_lock_zero(struct dm_block_manager *bm, dm_block_t b,
-			  struct dm_block_validator *v,
-			  struct dm_block **result);
-
-int dm_bm_unlock(struct dm_block *b);
-
-/*
- * An optimisation; we often want to copy a block's contents to a new
- * block.  eg, as part of the shadowing operation.  It's far better for
- * bufio to do this move behind the scenes than hold 2 locks and memcpy the
- * data.
- */
-int dm_bm_unlock_move(struct dm_block *b, dm_block_t n);
-
-/*
- * It's a common idiom to have a superblock that should be committed last.
- *
- * @superblock should be write-locked on entry. It will be unlocked during
- * this function.  All dirty blocks are guaranteed to be written and flushed
- * before the superblock.
- *
- * This method always blocks.
- */
-int dm_bm_flush_and_unlock(struct dm_block_manager *bm,
-			   struct dm_block *superblock);
-
-u32 dm_bm_checksum(const void *data, size_t len, u32 init_xor);
-
-/*----------------------------------------------------------------*/
-
-#endif	/* _LINUX_DM_BLOCK_MANAGER_H */