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-rw-r--r--ANDROID_3.4.5/drivers/md/persistent-data/dm-btree-internal.h134
1 files changed, 0 insertions, 134 deletions
diff --git a/ANDROID_3.4.5/drivers/md/persistent-data/dm-btree-internal.h b/ANDROID_3.4.5/drivers/md/persistent-data/dm-btree-internal.h
deleted file mode 100644
index 5709bfea..00000000
--- a/ANDROID_3.4.5/drivers/md/persistent-data/dm-btree-internal.h
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * Copyright (C) 2011 Red Hat, Inc.
- *
- * This file is released under the GPL.
- */
-
-#ifndef DM_BTREE_INTERNAL_H
-#define DM_BTREE_INTERNAL_H
-
-#include "dm-btree.h"
-
-/*----------------------------------------------------------------*/
-
-/*
- * We'll need 2 accessor functions for n->csum and n->blocknr
- * to support dm-btree-spine.c in that case.
- */
-
-enum node_flags {
- INTERNAL_NODE = 1,
- LEAF_NODE = 1 << 1
-};
-
-/*
- * Every btree node begins with this structure. Make sure it's a multiple
- * of 8-bytes in size, otherwise the 64bit keys will be mis-aligned.
- */
-struct node_header {
- __le32 csum;
- __le32 flags;
- __le64 blocknr; /* Block this node is supposed to live in. */
-
- __le32 nr_entries;
- __le32 max_entries;
- __le32 value_size;
- __le32 padding;
-} __packed;
-
-struct node {
- struct node_header header;
- __le64 keys[0];
-} __packed;
-
-
-void inc_children(struct dm_transaction_manager *tm, struct node *n,
- struct dm_btree_value_type *vt);
-
-int new_block(struct dm_btree_info *info, struct dm_block **result);
-int unlock_block(struct dm_btree_info *info, struct dm_block *b);
-
-/*
- * Spines keep track of the rolling locks. There are 2 variants, read-only
- * and one that uses shadowing. These are separate structs to allow the
- * type checker to spot misuse, for example accidentally calling read_lock
- * on a shadow spine.
- */
-struct ro_spine {
- struct dm_btree_info *info;
-
- int count;
- struct dm_block *nodes[2];
-};
-
-void init_ro_spine(struct ro_spine *s, struct dm_btree_info *info);
-int exit_ro_spine(struct ro_spine *s);
-int ro_step(struct ro_spine *s, dm_block_t new_child);
-struct node *ro_node(struct ro_spine *s);
-
-struct shadow_spine {
- struct dm_btree_info *info;
-
- int count;
- struct dm_block *nodes[2];
-
- dm_block_t root;
-};
-
-void init_shadow_spine(struct shadow_spine *s, struct dm_btree_info *info);
-int exit_shadow_spine(struct shadow_spine *s);
-
-int shadow_step(struct shadow_spine *s, dm_block_t b,
- struct dm_btree_value_type *vt);
-
-/*
- * The spine must have at least one entry before calling this.
- */
-struct dm_block *shadow_current(struct shadow_spine *s);
-
-/*
- * The spine must have at least two entries before calling this.
- */
-struct dm_block *shadow_parent(struct shadow_spine *s);
-
-int shadow_has_parent(struct shadow_spine *s);
-
-int shadow_root(struct shadow_spine *s);
-
-/*
- * Some inlines.
- */
-static inline __le64 *key_ptr(struct node *n, uint32_t index)
-{
- return n->keys + index;
-}
-
-static inline void *value_base(struct node *n)
-{
- return &n->keys[le32_to_cpu(n->header.max_entries)];
-}
-
-static inline void *value_ptr(struct node *n, uint32_t index)
-{
- uint32_t value_size = le32_to_cpu(n->header.value_size);
- return value_base(n) + (value_size * index);
-}
-
-/*
- * Assumes the values are suitably-aligned and converts to core format.
- */
-static inline uint64_t value64(struct node *n, uint32_t index)
-{
- __le64 *values_le = value_base(n);
-
- return le64_to_cpu(values_le[index]);
-}
-
-/*
- * Searching for a key within a single node.
- */
-int lower_bound(struct node *n, uint64_t key);
-
-extern struct dm_block_validator btree_node_validator;
-
-#endif /* DM_BTREE_INTERNAL_H */