Move DirBuffer into ReplyDirectory
Add ReplyEntry and ReplyAttr
Rename reply ok methods with different signatures for less confusion
Add ReplyXTimes
Add ReplyOpen and ReplyWrite
Add ReplyStatfs
Add ReplyLock
Add ReplyBmap
Add ReplyCreate
Use parsed option values for the setattr operation handler instead of the native fuse_setattr_in struct
There are no fuse_*_out types used in the interface anymore