fuse_get_context
struct fuse_context *fuse_get_context(void);
struct fuse *fuse = fuse_get_context()->fuse;
fusectx = fuse_get_context();
ctx = fuse_get_context();
fusectx = fuse_get_context();
fusectx = fuse_get_context();
fuse_get_context()->private_data = fs->user_data;