diff options
Diffstat (limited to 'include/linux/ext3_fs.h')
| -rw-r--r-- | include/linux/ext3_fs.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index 34136ff02aca..5607e6457a65 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -710,6 +710,14 @@ struct dir_private_info { __u32 next_hash; }; +/* calculate the first block number of the group */ +static inline ext3_fsblk_t +ext3_group_first_block_no(struct super_block *sb, unsigned long group_no) +{ + return group_no * (ext3_fsblk_t)EXT3_BLOCKS_PER_GROUP(sb) + + le32_to_cpu(EXT3_SB(sb)->s_es->s_first_data_block); +} + /* * Special error return code only used by dx_probe() and its callers. */ @@ -739,7 +747,7 @@ extern void ext3_free_blocks (handle_t *handle, struct inode *inode, extern void ext3_free_blocks_sb (handle_t *handle, struct super_block *sb, ext3_fsblk_t block, unsigned long count, unsigned long *pdquot_freed_blocks); -extern unsigned long ext3_count_free_blocks (struct super_block *); +extern ext3_fsblk_t ext3_count_free_blocks (struct super_block *); extern void ext3_check_blocks_bitmap (struct super_block *); extern struct ext3_group_desc * ext3_get_group_desc(struct super_block * sb, unsigned int block_group, @@ -811,7 +819,7 @@ extern int ext3_group_add(struct super_block *sb, struct ext3_new_group_data *input); extern int ext3_group_extend(struct super_block *sb, struct ext3_super_block *es, - unsigned long n_blocks_count); + ext3_fsblk_t n_blocks_count); /* super.c */ extern void ext3_error (struct super_block *, const char *, const char *, ...) |