add #def around printf
l3_truncate and l2_truncate added, layer 1 bfree added. All tested
Merge branch 'mount' of https://github.com/Weil0ng/cs270 into mount
hole bug fix
Initial implementation for open with full file table
Completed adding inode table entries during open
Completed open
Implementation for close with file tables
Full implementation for open/close with OpenFileTable (not tested on fuse)
fix fuse interface to l2_open and l2_close
Implementation for open/close with FUSE flags