| 35,6 → 35,7 |
|---|
| |
| #include "../../vfs/vfs.h" |
| #include <stdint.h> |
| #include <libblock.h> |
| |
| #define FAT1 0 |
| |
| 57,21 → 58,28 |
|---|
| |
| typedef uint16_t fat_cluster_t; |
| |
| #define fat_block_get(bs, np, off) \ |
| _fat_block_get((bs), (np)->idx->dev_handle, (np)->firstc, (off)) |
| |
| #define fat_clusters_get(bs, dh, fc) \ |
| fat_cluster_walk((bs), (dh), (fc), NULL, (uint16_t) -1) |
| extern uint16_t fat_cluster_walk(struct fat_bs *, dev_handle_t, fat_cluster_t, |
| fat_cluster_t *, uint16_t); |
| |
| #define fat_block_get(bs, np, bn, flags) \ |
| _fat_block_get((bs), (np)->idx->dev_handle, (np)->firstc, (bn), (flags)) |
| |
| extern struct block *_fat_block_get(struct fat_bs *, dev_handle_t, |
| fat_cluster_t, off_t); |
| extern uint16_t _fat_blcks_get(struct fat_bs *, dev_handle_t, fat_cluster_t, |
| fat_cluster_t *); |
| fat_cluster_t, bn_t, int); |
| |
| extern void fat_append_clusters(struct fat_bs *, struct fat_node *, |
| fat_cluster_t); |
| extern void fat_chop_clusters(struct fat_bs *, struct fat_node *, |
| fat_cluster_t); |
| extern int fat_alloc_clusters(struct fat_bs *, dev_handle_t, unsigned, |
| fat_cluster_t *, fat_cluster_t *); |
| extern void fat_free_clusters(struct fat_bs *, dev_handle_t, fat_cluster_t); |
| extern void fat_alloc_shadow_clusters(struct fat_bs *, dev_handle_t, |
| fat_cluster_t *, unsigned); |
| extern void fat_mark_cluster(struct fat_bs *, dev_handle_t, unsigned, |
| extern fat_cluster_t fat_get_cluster(struct fat_bs *, dev_handle_t, fat_cluster_t); |
| extern void fat_set_cluster(struct fat_bs *, dev_handle_t, unsigned, |
| fat_cluster_t, fat_cluster_t); |
| extern void fat_fill_gap(struct fat_bs *, struct fat_node *, fat_cluster_t, |
| off_t); |