Once $/$foo$/$bar is opened, assume a process appends a data block to it three times.

The following blocks will be written to during each append: $\_\_\_,\_\_\_\_,$ and $\_\_\_($assume

no buffering for writes$)$

a$.$ The file$$s inode, data bitmap, and the data block itself

b$.$ The directory data block, the data block, and the superblock

c$.$ The inode bitmap, the directory data block, and the inode

d$.$ The journal, the data block itself, and the directory

e$.$ The department, the chair, and the entire university