五天前我做了以下事情，这可能引发了这个问题。
sudo lvextend -L +20GB /dev/vg1/filme
sudo resize2fs /dev/vg1/filme
现在我意识到，几乎所有文件都消失了。只有目录结构和一些较新的文件仍然可用。
Output from: e2fsck -nfv /dev/vg1/filme
e2fsck 1.42.9 (4-Feb-2014)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
49906 inodes used (0.07%, out of 69148672)
0 non-contiguous files (0.0%)
17 non-contiguous directories (0.0%)
# of inodes with ind/dind/tind blocks: 0/0/0
Extent depth histogram: 49891/7
5893268 blocks used (2.13%, out of 276576256)
0 bad blocks
1 large file
10 regular files
49887 directories
0 character device files
0 block device files
0 fifos
0 links
0 symbolic links (0 fast symbolic links)
0 sockets
49897 files
有什么提示关于如何恢复文件以及如何分析出了什么问题吗？