Symbol: vn_getsize
sys/kern/vfs_vnops.c
1864
error = vn_getsize(vp, &size, active_cred);
sys/kern/vfs_vnops.c
2895
error = vn_getsize(vp, &fsize, cred);
sys/sys/vnode.h
1193
int vn_getsize(struct vnode *vp, off_t *size, struct ucred *active_cred);