| 479,7 → 479,42 |
|---|
| |
| int fat_unlink(void *prnt, void *chld) |
| { |
| return ENOTSUP; /* not supported at the moment */ |
| fat_node_t *parentp = (fat_node_t *)prnt; |
| fat_node_t *childp = (fat_node_t *)chld; |
| fat_bs_t *bs; |
| fat_dentry_t *d; |
| uint16_t bps; |
| block_t *b; |
| |
| futex_down(&parentp->lock); |
| futex_down(&childp->lock); |
| assert(childp->lnkcnt == 1); |
| futex_down(&childp->idx->lock); |
| bs = block_bb_get(childp->idx->dev_handle); |
| bps = uint16_t_le2host(bs->bps); |
| |
| b = _fat_block_get(bs, childp->idx->dev_handle, childp->idx->pfc, |
| (childp->idx->pdi * sizeof(fat_dentry_t)) / bps, |
| BLOCK_FLAGS_NONE); |
| d = (fat_dentry_t *)b->data + |
| (childp->idx->pdi % (bps / sizeof(fat_dentry_t))); |
| /* mark the dentry as not-currently-used */ |
| d->name[0] = FAT_DENTRY_ERASED; |
| b->dirty = true; /* need to sync block */ |
| block_put(b); |
| |
| /* remove the index structure from the position hash */ |
| fat_idx_hashout(childp->idx); |
| /* clear position information */ |
| childp->idx->pfc = FAT_CLST_RES0; |
| childp->idx->pdi = 0; |
| futex_up(&childp->idx->lock); |
| childp->lnkcnt = 0; |
| childp->dirty = true; |
| futex_up(&childp->lock); |
| futex_up(&parentp->lock); |
| |
| return EOK; |
| } |
| |
| void *fat_match(void *prnt, const char *component) |