pc_lockfs
if (pc_lockfs(fsp, 1, 0)) {
error = pc_lockfs(fsp, 0, 0);
if (error = pc_lockfs(fsp, 0, 0))
if (error = pc_lockfs(fsp, 0, 0))
error = pc_lockfs(fsp, 0, 0);
error = pc_lockfs(fsp, 0, 0);
error = pc_lockfs(fsp, 0, 0);
error = pc_lockfs(fsp, 0, 0);
error = pc_lockfs(fsp, 0, 0);
if (error = pc_lockfs(fsp, 0, 0))
error = pc_lockfs(fsp, 0, 0);
err = pc_lockfs(fsp, 0, 0);
err = pc_lockfs(fsp, 0, 0);
error = pc_lockfs(fsp, 0, 0);
error = pc_lockfs(fsp, 0, 0);
error = pc_lockfs(fsp, 0, 0);
error = pc_lockfs(fsp, 0, 0);
error = pc_lockfs(fsp, 0, 0);
error = pc_lockfs(fsp, 0, 0);
error = pc_lockfs(fsp, 0, 1);
extern int pc_lockfs(struct pcfs *, int, int); /* lock fs and get fat */