|
@@ -769,26 +769,8 @@ ext4_group_first_block_no(struct super_block *sb, unsigned long group_no)
|
|
|
*/
|
|
|
#define ERR_BAD_DX_DIR -75000
|
|
|
|
|
|
-/*
|
|
|
- * This function calculate the block group number and offset,
|
|
|
- * given a block number
|
|
|
- */
|
|
|
-
|
|
|
-static inline void ext4_get_group_no_and_offset(struct super_block * sb,
|
|
|
- ext4_fsblk_t blocknr, unsigned long* blockgrpp,
|
|
|
- ext4_grpblk_t *offsetp)
|
|
|
-{
|
|
|
- struct ext4_super_block *es = EXT4_SB(sb)->s_es;
|
|
|
- ext4_grpblk_t offset;
|
|
|
-
|
|
|
- blocknr = blocknr - le32_to_cpu(es->s_first_data_block);
|
|
|
- offset = sector_div(blocknr, EXT4_BLOCKS_PER_GROUP(sb));
|
|
|
- if (offsetp)
|
|
|
- *offsetp = offset;
|
|
|
- if (blockgrpp)
|
|
|
- *blockgrpp = blocknr;
|
|
|
-
|
|
|
-}
|
|
|
+void ext4_get_group_no_and_offset(struct super_block *sb, ext4_fsblk_t blocknr,
|
|
|
+ unsigned long *blockgrpp, ext4_grpblk_t *offsetp);
|
|
|
|
|
|
/*
|
|
|
* Function prototypes
|