On Mon, Dec 18, 2017 at 02:31:21PM +0100, Andreas Gruenbacher wrote: > When iterating through an rhashtable is stopped with > rhashtable_walk_stop and then resumed with rhashtable_walk_start, there > currently is no way to get back to the current object and thus revisit > the object rhashtable_walk_next has previously returned. > > This functionality is useful when dumping an rhashtable via the seq file > interface: seq_read will convert one object after the other. When an > object doesn't fit in the remaining buffer space anymore, user-space > will be returned all objects that have been fully converted so far. > Upon the next read from user-space, the object that didn't fit > previously will be revisited. > > Signed-off-by: Andreas Gruenbacher <agrue...@redhat.com>
Doesn't the helper that Tom Herbert just added do exactly this? Thanks, -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
