X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=ext4_utils%2Fallocate.h;h=4a733d00adf54200193d4430a7536bf4f66d53b9;hb=9458a99b0c69dd65facc6ef975218848e8b1f0b6;hp=fb6e0f753707d8584b14c1d8040359f6596702e2;hpb=107a9f161babc20daf915311146b0e864d3b4157;p=android-x86%2Fsystem-extras.git

diff --git a/ext4_utils/allocate.h b/ext4_utils/allocate.h
index fb6e0f75..4a733d00 100644
--- a/ext4_utils/allocate.h
+++ b/ext4_utils/allocate.h
@@ -5,7 +5,7 @@
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
+ *	  http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
@@ -20,9 +20,47 @@
 #define EXT4_ALLOCATE_FAILED (u32)(~0)
 
 #include "ext4_utils.h"
-#include "ext4.h"
 
-struct block_allocation;
+struct region {
+	u32 block;
+	u32 len;
+	int bg;
+	struct region *next;
+	struct region *prev;
+};
+
+struct region_list {
+	struct region *first;
+	struct region *last;
+	struct region *iter;
+	u32 partial_iter;
+};
+
+struct block_allocation {
+	struct region_list list;
+	struct region_list oob_list;
+	char* filename;
+	struct block_allocation* next;
+};
+
+struct block_group_info {
+	u32 first_block;
+	int header_blocks;
+	int data_blocks_used;
+	int has_superblock;
+	u8 *bitmaps;
+	u8 *block_bitmap;
+	u8 *inode_bitmap;
+	u8 *inode_table;
+	u32 free_blocks;
+	u32 free_inodes;
+	u32 first_free_inode;
+	u16 flags;
+	u16 used_dirs;
+	int chunk_count;
+	int max_chunk_count;
+	struct region *chunks;
+};
 
 void block_allocator_init();
 void block_allocator_free();
@@ -31,6 +69,7 @@ struct block_allocation *allocate_blocks(u32 len);
 int block_allocation_num_regions(struct block_allocation *alloc);
 int block_allocation_len(struct block_allocation *alloc);
 struct ext4_inode *get_inode(u32 inode);
+struct ext4_xattr_header *get_xattr_block_for_inode(struct ext4_inode *inode);
 void reduce_allocation(struct block_allocation *alloc, u32 len);
 u32 get_block(struct block_allocation *alloc, u32 block);
 u32 get_oob_block(struct block_allocation *alloc, u32 block);
@@ -41,6 +80,7 @@ u32 get_free_inodes(u32 bg);
 u32 reserve_inodes(int bg, u32 inodes);
 void add_directory(u32 inode);
 u16 get_directories(int bg);
+u16 get_bg_flags(int bg);
 void init_unused_inode_tables(void);
 u32 allocate_inode();
 void free_alloc(struct block_allocation *alloc);
@@ -53,5 +93,9 @@ void append_region(struct block_allocation *alloc,
 	u32 block, u32 len, int bg);
 struct block_allocation *create_allocation();
 int append_oob_allocation(struct block_allocation *alloc, u32 len);
-
+void region_list_append(struct region_list *list, struct region *reg);
+void region_list_merge(struct region_list *list1, struct region_list *list2);
+void print_blocks(FILE* f, struct block_allocation *alloc, char separator);
+void reserve_bg_chunk(int bg, u32 start_block, u32 size);
+int reserve_blocks_for_allocation(struct block_allocation *alloc);
 #endif