On Sat, Jun 25, 2022 at 02:29:09PM +0100, Al Viro wrote: > I wouldn't bet on that - as it is, an ->open() instance can decide > in some cases to clear FMODE_LSEEK, despite having file_operations > with non-NULL ->llseek. The interesting cases here are nonseekable_open and stream_open, and I don't see why we could not fix this up in the file_operations.