| 389,6 → 389,8 |
|---|
| uint16_t bps; |
| unsigned dps; |
| unsigned blocks; |
| fat_cluster_t mcl, lcl; |
| int rc; |
| |
| futex_down(&childp->lock); |
| if (childp->lnkcnt == 1) { |
| 441,15 → 443,31 |
|---|
| /* |
| * We need to grow the parent in order to create a new unused dentry. |
| */ |
| futex_up(&parentp->idx->lock); |
| return ENOTSUP; /* XXX */ |
| if (parentp->idx->pfc == FAT_CLST_ROOT) { |
| /* Can't grow the root directory. */ |
| futex_up(&parentp->idx->lock); |
| return ENOSPC; |
| } |
| rc = fat_alloc_clusters(bs, parentp->idx->dev_handle, 1, &mcl, &lcl); |
| if (rc != EOK) { |
| futex_up(&parentp->idx->lock); |
| return rc; |
| } |
| fat_append_clusters(bs, parentp, mcl); |
| b = fat_block_get(bs, parentp, i, BLOCK_FLAGS_NOREAD); |
| d = (fat_dentry_t *)b->data; |
| /* |
| * Clear all dentries in the block except for the first one (the first |
| * dentry will be cleared in the next step). |
| */ |
| memset(d + 1, 0, bps - sizeof(fat_dentry_t)); |
| |
| hit: |
| /* |
| * At this point we only establish the link between the parent and the |
| * child. The dentry, except of the name and the extension, will remain |
| * uninitialized until the the corresponding node is synced. Thus the |
| * valid dentry data is kept in the child node structure. |
| * uninitialized until the corresponding node is synced. Thus the valid |
| * dentry data is kept in the child node structure. |
| */ |
| memset(d, 0, sizeof(fat_dentry_t)); |
| fat_dentry_name_set(d, name); |