| 182,7 → 182,7 |
|---|
| boundary = ROUND_UP(nodep->size, bps * spc); |
| |
| /* zero out already allocated space */ |
| for (o = nodep->size - 1; o < pos && o < boundary; |
| for (o = nodep->size; o < pos && o < boundary; |
| o = ALIGN_DOWN(o + bps, bps)) { |
| int flags = (o % bps == 0) ? |
| BLOCK_FLAGS_NOREAD : BLOCK_FLAGS_NONE; |
| 285,10 → 285,10 |
|---|
| } |
| } |
| |
| /** Allocate clusters in FAT1. |
| /** Allocate clusters in all copies of FAT. |
| * |
| * This function will attempt to allocate the requested number of clusters in |
| * the first FAT instance. The FAT will be altered so that the allocated |
| * all instances of the FAT. The FAT will be altered so that the allocated |
| * clusters form an independent chain (i.e. a chain which does not belong to any |
| * file yet). |
| * |
| 315,7 → 315,7 |
|---|
| unsigned b, c, cl; |
| |
| lifo = (fat_cluster_t *) malloc(nclsts * sizeof(fat_cluster_t)); |
| if (lifo) |
| if (!lifo) |
| return ENOMEM; |
| |
| bps = uint16_t_le2host(bs->bps); |
| 326,8 → 326,8 |
|---|
| * Search FAT1 for unused clusters. |
| */ |
| futex_down(&fat_alloc_lock); |
| for (b = 0, cl = 0; b < sf; blk++) { |
| blk = block_get(dev_handle, rscnt + b, BLOCK_FLAGS_NOREAD); |
| for (b = 0, cl = 0; b < sf; b++) { |
| blk = block_get(dev_handle, rscnt + b, BLOCK_FLAGS_NONE); |
| for (c = 0; c < bps / sizeof(fat_cluster_t); c++, cl++) { |
| fat_cluster_t *clst = (fat_cluster_t *)blk->data + c; |
| if (uint16_t_le2host(*clst) == FAT_CLST_RES0) { |
| 385,8 → 385,8 |
|---|
| |
| /* Mark all clusters in the chain as free in all copies of FAT. */ |
| while (firstc < FAT_CLST_LAST1) { |
| assert(firstc >= FAT_CLST_FIRST && firstc < FAT_CLST_BAD); |
| nextc = fat_get_cluster(bs, dev_handle, firstc); |
| assert(nextc >= FAT_CLST_FIRST && nextc < FAT_CLST_BAD); |
| for (fatno = FAT1; fatno < bs->fatcnt; fatno++) |
| fat_set_cluster(bs, dev_handle, fatno, firstc, |
| FAT_CLST_RES0); |
| 409,7 → 409,7 |
|---|
| if (fat_cluster_walk(bs, dev_handle, nodep->firstc, &lcl, |
| (uint16_t) -1) == 0) { |
| /* No clusters allocated to the node yet. */ |
| nodep->firstc = host2uint16_t_le(mcl); |
| nodep->firstc = mcl; |
| nodep->dirty = true; /* need to sync node */ |
| return; |
| } |