_fs
quota_open(struct fstab *_fs, int _quotatype, int _openflags);
#define F_FEPLL(_id, _cname, _parent, _reg, _fs, _fw, _rs, _rw) \
.fdbkdiv_shift = _fs, \
drain_queue_fs_cb(void *_fs, void *arg)
struct dn_fsk *fs = _fs;
fs_cleanup(void *_fs, void *arg)
struct dn_fsk *fs = _fs;
struct _fs *nextfs; /* linked list of format strings */