lone multiply-claimed blocks 克隆乘法声称块
Initially, Files A and B were distinct. However, due to some corruption, file B now shares blocks with file A. To address this issue, I ran fsck multiple times to identify which files were impacted by "multiply claimed blocks." When I found these files, I stopped the process an...
When cloning multiply-claimed blocks for an inode, clone_file() uses ext2fs_block_iterate3() to iterate every block calling clone_file_block(). clone_file_block() calls check_if_fs_cluster(), even the block is not on the block_dup_map, which could take a long time on a large d...