X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=lwext4%2Fext4_balloc.h;h=b3c84885841b281cf1cc5188f2033130d504e5ae;hb=edcd44595bcb730d60d0e0cbd6c4ede76cd2f2c7;hp=dc60a07b9057afac1f30320a831b757934db9adb;hpb=d24a490d30a7a1565eb5970a8232a091e6e9dd1b;p=lwext4.git

diff --git a/lwext4/ext4_balloc.h b/lwext4/ext4_balloc.h
index dc60a07..b3c8488 100644
--- a/lwext4/ext4_balloc.h
+++ b/lwext4/ext4_balloc.h
@@ -42,19 +42,27 @@
 #ifndef EXT4_BALLOC_H_
 #define EXT4_BALLOC_H_
 
-#include <ext4_config.h>
-#include <ext4_types.h>
+#include "ext4_config.h"
+#include "ext4_types.h"
 
 #include <stdint.h>
 #include <stdbool.h>
 
-/**@brief   Get first datablock in block group
- * @param   s superblock descriptor
- * @param   bg_ref block group reference
- * @return  block id of the first datablock in block group*/
-uint32_t
-ext4_balloc_get_first_data_block_in_group(struct ext4_sblock *s,
-                                          struct ext4_block_group_ref *bg_ref);
+/**@brief Compute number of block group from block address.
+ * @param sb superblock pointer.
+ * @param baddr Absolute address of block.
+ * @return Block group index
+ */
+uint32_t ext4_balloc_get_bgid_of_block(struct ext4_sblock *s,
+				       uint32_t baddr);
+
+/**@brief Compute the starting block address of a block group
+ * @param sb   superblock pointer.
+ * @param bgid block group index
+ * @return Block address
+ */
+uint32_t ext4_balloc_get_block_of_bgid(struct ext4_sblock *s,
+				       uint32_t bgid);
 
 /**@brief   Free block from inode.
  * @param   inode_ref inode reference
@@ -67,7 +75,7 @@ int ext4_balloc_free_block(struct ext4_inode_ref *inode_ref, uint32_t baddr);
  * @param   baddr block address
  * @return  standard error code*/
 int ext4_balloc_free_blocks(struct ext4_inode_ref *inode_ref, uint32_t first,
-                            uint32_t count);
+			    uint32_t count);
 
 /**@brief   Allocate block procedure.
  * @param   inode_ref inode reference
@@ -81,7 +89,7 @@ int ext4_balloc_alloc_block(struct ext4_inode_ref *inode_ref, uint32_t *baddr);
  * @param   free if baddr is not allocated
  * @return  standard error code*/
 int ext4_balloc_try_alloc_block(struct ext4_inode_ref *inode_ref,
-                                uint32_t baddr, bool *free);
+				uint32_t baddr, bool *free);
 
 #endif /* EXT4_BALLOC_H_ */