diff options
| author | Rob Clark <robdclark@gmail.com> | 2017-09-09 13:15:53 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-09-15 09:03:10 -0400 |
| commit | c6e3baa565bc3b5828cf0d67ca6429dbe5f8687c (patch) | |
| tree | 5a13890bd687be572ae652124b99b016af93af43 /include/fat.h | |
| parent | 45449980f80169214633f2649a27c791d0104e9d (diff) | |
fs/fat: introduce new director iterators
Untangle directory traversal into a simple iterator, to replace the
existing multi-purpose do_fat_read_at() + get_dentfromdir().
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Łukasz Majewski <lukma@denx.de>
Diffstat (limited to 'include/fat.h')
| -rw-r--r-- | include/fat.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/fat.h b/include/fat.h index b671ee8f81..21bb6666cf 100644 --- a/include/fat.h +++ b/include/fat.h @@ -175,8 +175,15 @@ typedef struct { int data_begin; /* The sector of the first cluster, can be negative */ int fatbufnum; /* Used by get_fatent, init to -1 */ int rootdir_size; /* Size of root dir for non-FAT32 */ + __u32 root_cluster; /* First cluster of root dir for FAT32 */ } fsdata; +/* TODO clean up places that are open-coding this: */ +static inline u32 clust_to_sect(fsdata *fsdata, u32 clust) +{ + return fsdata->data_begin + clust * fsdata->clust_size; +} + typedef int (file_detectfs_func)(void); typedef int (file_ls_func)(const char *dir); typedef int (file_read_func)(const char *filename, void *buffer, |