diff options
Diffstat (limited to 'include/linux/ext3_fs.h')
| -rw-r--r-- | include/linux/ext3_fs.h | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index 757d54d8f1a5..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. */ @@ -730,14 +738,16 @@ struct dir_private_info { /* balloc.c */ extern int ext3_bg_has_super(struct super_block *sb, int group); extern unsigned long ext3_bg_num_gdb(struct super_block *sb, int group); -extern int ext3_new_block (handle_t *, struct inode *, unsigned long, int *); -extern int ext3_new_blocks (handle_t *, struct inode *, unsigned long, - unsigned long *, int *); -extern void ext3_free_blocks (handle_t *, struct inode *, unsigned long, - unsigned long); -extern void ext3_free_blocks_sb (handle_t *, struct super_block *, - unsigned long, unsigned long, int *); -extern unsigned long ext3_count_free_blocks (struct super_block *); +extern ext3_fsblk_t ext3_new_block (handle_t *handle, struct inode *inode, + ext3_fsblk_t goal, int *errp); +extern ext3_fsblk_t ext3_new_blocks (handle_t *handle, struct inode *inode, + ext3_fsblk_t goal, unsigned long *count, int *errp); +extern void ext3_free_blocks (handle_t *handle, struct inode *inode, + ext3_fsblk_t block, unsigned long count); +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 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, @@ -773,7 +783,8 @@ extern unsigned long ext3_count_free (struct buffer_head *, unsigned); /* inode.c */ -int ext3_forget(handle_t *, int, struct inode *, struct buffer_head *, int); +int ext3_forget(handle_t *handle, int is_metadata, struct inode *inode, + struct buffer_head *bh, ext3_fsblk_t blocknr); struct buffer_head * ext3_getblk (handle_t *, struct inode *, long, int, int *); struct buffer_head * ext3_bread (handle_t *, struct inode *, int, int, int *); int ext3_get_blocks_handle(handle_t *handle, struct inode *inode, @@ -808,7 +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 *, ...) |