block: add bioset_create_nobvec()
authorJunichi Nomura <j-nomura@ce.jp.nec.com>
Fri, 3 Oct 2014 21:27:12 +0000 (17:27 -0400)
committerJens Axboe <axboe@fb.com>
Fri, 3 Oct 2014 21:28:18 +0000 (15:28 -0600)
commitd8f429e1669b9709f5b669aac9d734dbe0640891
treec14ac256f51a230b472ada1525d2e7275f266436
parent11dfce509eaa35e8fc81cb50d0910c0e235fd7e2
block: add bioset_create_nobvec()

Users of bio_clone_fast() do not want bios with their own bvecs.
Allocating a bvec mempool as part of the bioset intended for such users
is a waste of memory.

bioset_create_nobvec() creates a bioset that doesn't have the bvec
mempool.

Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
block/bio.c
include/linux/bio.h