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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/md/persistent-data/dm-space-map.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/md/persistent-data/dm-space-map.h')
-rw-r--r--ANDROID_3.4.5/drivers/md/persistent-data/dm-space-map.h134
1 files changed, 0 insertions, 134 deletions
diff --git a/ANDROID_3.4.5/drivers/md/persistent-data/dm-space-map.h b/ANDROID_3.4.5/drivers/md/persistent-data/dm-space-map.h
deleted file mode 100644
index 1cbfc6b1..00000000
--- a/ANDROID_3.4.5/drivers/md/persistent-data/dm-space-map.h
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * Copyright (C) 2011 Red Hat, Inc.
- *
- * This file is released under the GPL.
- */
-
-#ifndef _LINUX_DM_SPACE_MAP_H
-#define _LINUX_DM_SPACE_MAP_H
-
-#include "dm-block-manager.h"
-
-/*
- * struct dm_space_map keeps a record of how many times each block in a device
- * is referenced. It needs to be fixed on disk as part of the transaction.
- */
-struct dm_space_map {
- void (*destroy)(struct dm_space_map *sm);
-
- /*
- * You must commit before allocating the newly added space.
- */
- int (*extend)(struct dm_space_map *sm, dm_block_t extra_blocks);
-
- /*
- * Extensions do not appear in this count until after commit has
- * been called.
- */
- int (*get_nr_blocks)(struct dm_space_map *sm, dm_block_t *count);
-
- /*
- * Space maps must never allocate a block from the previous
- * transaction, in case we need to rollback. This complicates the
- * semantics of get_nr_free(), it should return the number of blocks
- * that are available for allocation _now_. For instance you may
- * have blocks with a zero reference count that will not be
- * available for allocation until after the next commit.
- */
- int (*get_nr_free)(struct dm_space_map *sm, dm_block_t *count);
-
- int (*get_count)(struct dm_space_map *sm, dm_block_t b, uint32_t *result);
- int (*count_is_more_than_one)(struct dm_space_map *sm, dm_block_t b,
- int *result);
- int (*set_count)(struct dm_space_map *sm, dm_block_t b, uint32_t count);
-
- int (*commit)(struct dm_space_map *sm);
-
- int (*inc_block)(struct dm_space_map *sm, dm_block_t b);
- int (*dec_block)(struct dm_space_map *sm, dm_block_t b);
-
- /*
- * new_block will increment the returned block.
- */
- int (*new_block)(struct dm_space_map *sm, dm_block_t *b);
-
- /*
- * The root contains all the information needed to fix the space map.
- * Generally this info is small, so squirrel it away in a disk block
- * along with other info.
- */
- int (*root_size)(struct dm_space_map *sm, size_t *result);
- int (*copy_root)(struct dm_space_map *sm, void *copy_to_here_le, size_t len);
-};
-
-/*----------------------------------------------------------------*/
-
-static inline void dm_sm_destroy(struct dm_space_map *sm)
-{
- sm->destroy(sm);
-}
-
-static inline int dm_sm_extend(struct dm_space_map *sm, dm_block_t extra_blocks)
-{
- return sm->extend(sm, extra_blocks);
-}
-
-static inline int dm_sm_get_nr_blocks(struct dm_space_map *sm, dm_block_t *count)
-{
- return sm->get_nr_blocks(sm, count);
-}
-
-static inline int dm_sm_get_nr_free(struct dm_space_map *sm, dm_block_t *count)
-{
- return sm->get_nr_free(sm, count);
-}
-
-static inline int dm_sm_get_count(struct dm_space_map *sm, dm_block_t b,
- uint32_t *result)
-{
- return sm->get_count(sm, b, result);
-}
-
-static inline int dm_sm_count_is_more_than_one(struct dm_space_map *sm,
- dm_block_t b, int *result)
-{
- return sm->count_is_more_than_one(sm, b, result);
-}
-
-static inline int dm_sm_set_count(struct dm_space_map *sm, dm_block_t b,
- uint32_t count)
-{
- return sm->set_count(sm, b, count);
-}
-
-static inline int dm_sm_commit(struct dm_space_map *sm)
-{
- return sm->commit(sm);
-}
-
-static inline int dm_sm_inc_block(struct dm_space_map *sm, dm_block_t b)
-{
- return sm->inc_block(sm, b);
-}
-
-static inline int dm_sm_dec_block(struct dm_space_map *sm, dm_block_t b)
-{
- return sm->dec_block(sm, b);
-}
-
-static inline int dm_sm_new_block(struct dm_space_map *sm, dm_block_t *b)
-{
- return sm->new_block(sm, b);
-}
-
-static inline int dm_sm_root_size(struct dm_space_map *sm, size_t *result)
-{
- return sm->root_size(sm, result);
-}
-
-static inline int dm_sm_copy_root(struct dm_space_map *sm, void *copy_to_here_le, size_t len)
-{
- return sm->copy_root(sm, copy_to_here_le, len);
-}
-
-#endif /* _LINUX_DM_SPACE_MAP_H */