> On 2 May 2017, at 05.42, NeilBrown <ne...@suse.com> wrote: > > blk_queue_split() is always called with the last arg being q->bio_split, > where 'q' is the first arg. > > Also blk_queue_split() sometimes uses the passed-in 'bs' and sometimes uses > q->bio_split. > > This is inconsistent and unnecessary. Remove the last arg and always use > q->bio_split inside blk_queue_split() > > Reviewed-by: Christoph Hellwig <h...@lst.de> > Reviewed-by: Ming Lei <ming....@redhat.com> > Credit-to: Javier González <j...@lightnvm.io> (Noticed that lightnvm was > missed) > Signed-off-by: NeilBrown <ne...@suse.com> > --- > block/blk-core.c | 2 +- > block/blk-merge.c | 9 ++++----- > block/blk-mq.c | 2 +- > drivers/block/drbd/drbd_req.c | 2 +- > drivers/block/pktcdvd.c | 2 +- > drivers/block/ps3vram.c | 2 +- > drivers/block/rsxx/dev.c | 2 +- > drivers/block/umem.c | 2 +- > drivers/block/zram/zram_drv.c | 2 +- > drivers/lightnvm/pblk-init.c | 4 ++-- > drivers/lightnvm/rrpc.c | 2 +- > drivers/md/md.c | 2 +- > drivers/s390/block/dcssblk.c | 2 +- > drivers/s390/block/xpram.c | 2 +- > include/linux/blkdev.h | 3 +-- > 15 files changed, 19 insertions(+), 21 deletions(-) >
> [..]
> diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
> index ae8cd6d5af8b..b3fec8ec55b8 100644
> --- a/drivers/lightnvm/pblk-init.c
> +++ b/drivers/lightnvm/pblk-init.c
> @@ -33,7 +33,7 @@ static int pblk_rw_io(struct request_queue *q, struct pblk
> *pblk,
> * constraint. Writes can be of arbitrary size.
> */
> if (bio_data_dir(bio) == READ) {
> - blk_queue_split(q, &bio, q->bio_split);
> + blk_queue_split(q, &bio);
> ret = pblk_submit_read(pblk, bio);
> if (ret == NVM_IO_DONE && bio_flagged(bio, BIO_CLONED))
> bio_put(bio);
> @@ -46,7 +46,7 @@ static int pblk_rw_io(struct request_queue *q, struct pblk
> *pblk,
> * available for user I/O.
> */
> if (unlikely(pblk_get_secs(bio) >= pblk_rl_sysfs_rate_show(&pblk->rl)))
> - blk_queue_split(q, &bio, q->bio_split);
> + blk_queue_split(q, &bio);
>
> return pblk_write_to_cache(pblk, bio, PBLK_IOTYPE_USER);
> }
> diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
> index cf0e28a0ff61..8e241056b141 100644
> --- a/drivers/lightnvm/rrpc.c
> +++ b/drivers/lightnvm/rrpc.c
> @@ -994,7 +994,7 @@ static blk_qc_t rrpc_make_rq(struct request_queue *q,
> struct bio *bio)
> struct nvm_rq *rqd;
> int err;
>
> - blk_queue_split(q, &bio, q->bio_split);
> + blk_queue_split(q, &bio);
>
> if (bio_op(bio) == REQ_OP_DISCARD) {
> rrpc_discard(rrpc, bio);
>
Hi Neil,
Thanks for adding the LightNVM changes. It works fine on our test setup.
Reviewed-by: Javier González <jav...@cnexlabs.com>
Tested-by: Javier González <jav...@cnexlabs.com>
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