diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/fat.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/fat.h b/include/fat.h index bdf430f7067..40da0370a44 100644 --- a/include/fat.h +++ b/include/fat.h @@ -165,7 +165,9 @@ typedef struct { int fatsize; /* Size of FAT in bits */ __u32 fatlength; /* Length of FAT in sectors */ __u16 fat_sect; /* Starting sector of the FAT */ +#ifdef CONFIG_FAT_WRITE __u8 fat_dirty; /* Set if fatbuf has been modified */ +#endif __u32 rootdir_sect; /* Start sector of root directory */ __u16 sect_size; /* Size of sectors in bytes */ __u16 clust_size; /* Size of clusters in sectors */ @@ -190,6 +192,30 @@ static inline u32 sect_to_clust(fsdata *fsdata, int sect) return (sect - fsdata->data_begin) / fsdata->clust_size; } +static inline void fat_mark_clean(fsdata *fsdata) +{ +#ifdef CONFIG_FAT_WRITE + fsdata->fat_dirty = 0; +#endif +} + +static inline void fat_mark_dirty(fsdata *fsdata) +{ +#ifdef CONFIG_FAT_WRITE + fsdata->fat_dirty = 1; +#endif +} + +static inline bool fat_is_dirty(fsdata *fsdata) +{ +#ifdef CONFIG_FAT_WRITE + if (fsdata->fat_dirty) + return true; +#endif + + return false; +} + int file_fat_detectfs(void); int fat_exists(const char *filename); int fat_size(const char *filename, loff_t *size); |