lfs_chkdq
if ((error = lfs_chkdq(ip, frags, cred, 0))) {
lfs_chkdq(ip, -frags, cred, 0);
(void) lfs_chkdq(oip, -blocksreleased, NOCRED, 0);
int lfs_chkdq(struct inode *, int64_t, kauth_cred_t, int);
error = lfs_chkdq(ip, 0, cred, 0);
(void) lfs_chkdq(ip, -change, cred, 0);
if ((error = lfs_chkdq(ip, change, cred, 0)) == 0) {
(void) lfs_chkdq(ip, -change, cred, FORCE);
(void) lfs_chkdq(ip, change, cred, FORCE);