Alan Cox wrote: > O> But nowadays, even that doesn't happen. sys_read() and sys_write() > > make a copy of f_pos using file_pos_read(), so drivers cannot see the > > value change during the call - except for their own change. > > > > I find myself wondering why the VFS isn't responsible for the position > > update instead of the driver... Would it be a valid cleanup to move > > it from the driver to VFS? > > And how would you adjust it. Not all devices have a bytes read == offset > relationship. The VFS doesn't know enough. That was implicit in my question: Are there any seekable devices where bytes read != offset delta, and if yes, is that correct behaviour, a bug, or a silly interface that should go away? -- Jamie -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
