* balloc.c contains the blocks allocation and deallocation routines
*/
+/*
+ * Calculate the block group number and offset, given a block number
+ */
+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;
+
+}
+
/*
* The free blocks are managed by bitmaps. A file system contains several
* blocks groups. Each group contains 1 bitmap block for blocks, 1 bitmap
*/
#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