On Mon, 05 Aug 2019 14:26:08 +1000 NeilBrown <ne...@suse.com> wrote: > If you use lseek or similar (e.g. pread) to access > a location in a seq_file file that is within a record, > rather than at a record boundary, then the first read > will return the remainder of the record, and the second > read will return the whole of that same record (instead > of the next record). > Whnn seeking to a record boundary, the next record is > correctly returned.
ouch. I'm surprised it took this long to be noticed. Maybe we need a seqfile-basher in tools/testing/selftests/proc or somewhere.
