diff options
Diffstat (limited to 'fs/fat/fat.h')
| -rw-r--r-- | fs/fat/fat.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/fat/fat.h b/fs/fat/fat.h index f16948ed5bf8..980c0346c168 100644 --- a/fs/fat/fat.h +++ b/fs/fat/fat.h @@ -218,6 +218,13 @@ static inline sector_t fat_clus_to_blknr(struct msdos_sb_info *sbi, int clus) + sbi->data_start; } +static inline void fat_get_blknr_offset(struct msdos_sb_info *sbi, + loff_t i_pos, sector_t *blknr, int *offset) +{ + *blknr = i_pos >> sbi->dir_per_block_bits; + *offset = i_pos & (sbi->dir_per_block - 1); +} + static inline loff_t fat_i_pos_read(struct msdos_sb_info *sbi, struct inode *inode) { |