| 387 | } |
| 388 | |
| 389 | int Ext2Volume::ReadBlockCached(uint32_t block, void* buffer){ |
| 390 | if(block > super.blockCount) |
| 391 | return 1; |
| 392 | |
| 393 | #ifndef EXT2_NO_CACHE |
| 394 | uint8_t* cachedBlock; |
| 395 | if((cachedBlock = blockCache.get(block))){ |
| 396 | memcpy(buffer, cachedBlock, blocksize); |
| 397 | } else { |
| 398 | cachedBlock = (uint8_t*)kmalloc(blocksize); |
| 399 | if(int e = part->ReadBlock(BlockToLBA(block), blocksize, cachedBlock)){ |
| 400 | Log::Error("[Ext2] Disk error (%d) reading block %d (blocksize: %d)", e, block, blocksize); |
| 401 | return e; |
| 402 | } |
| 403 | blockCache.insert(block, cachedBlock); |
| 404 | blockCacheMemoryUsage += blocksize; |
| 405 | |
| 406 | memcpy(buffer, cachedBlock, blocksize); |
| 407 | } |
| 408 | #else |
| 409 | if(int e = part->ReadBlock(BlockToLBA(block), blocksize, buffer)){ |
| 410 | Log::Error("[Ext2] Disk error (%d) reading block %d (blocksize: %d)", e, block, blocksize); |
| 411 | return e; |
| 412 | } |
| 413 | #endif |
| 414 | return 0; |
| 415 | } |
| 416 | |
| 417 | int Ext2Volume::WriteBlockCached(uint32_t block, void* buffer){ |
| 418 | if(block > super.blockCount) |