On Mon, 30 Apr 2018 11:50:04 +1000 NeilBrown <neilb@xxxxxxxx> wrote: > This patch simplifies the interface for first/next iteration and > simplifies the code, while maintaining complete backward > compatability. Now: > > - if ->start() is given a pos of zero, it should return an iterator > placed at the start of the sequence > - if ->start() is given a non-zero pos, it should return the iterator > in the same state it was after the last ->start or ->next. > > This is particularly useful for interators which walk the multiple > chains in a hash table, e.g. using rhashtable_walk*. See > fs/gfs2/glock.c and drivers/staging/lustre/lustre/llite/vvp_dev.c For the docs part: Acked-by: Jonathan Corbet <corbet@xxxxxxx> jon
