linux-ext4 - Re: [Drbd-dev] [PATCH 04/27] drbd: remove assign_p_sizes

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Date:   Sat, 9 Apr 2022 10:16:58 +0200
From:   Christoph Böhmwalder 
        <christoph.boehmwalder@...bit.com>
To:     Christoph Hellwig <hch@....de>
Cc:     jfs-discussion@...ts.sourceforge.net,
        linux-nvme@...ts.infradead.org,
        virtualization@...ts.linux-foundation.org, linux-mm@...ck.org,
        dm-devel@...hat.com, target-devel@...r.kernel.org,
        linux-mtd@...ts.infradead.org, drbd-dev@...ts.linbit.com,
        linux-s390@...r.kernel.org, linux-nilfs@...r.kernel.org,
        linux-scsi@...r.kernel.org, cluster-devel@...hat.com,
        xen-devel@...ts.xenproject.org, linux-ext4@...r.kernel.org,
        linux-um@...ts.infradead.org, nbd@...er.debian.org,
        linux-block@...r.kernel.org, linux-bcache@...r.kernel.org,
        ceph-devel@...r.kernel.org, linux-raid@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linux-xfs@...r.kernel.org, ocfs2-devel@....oracle.com,
        linux-fsdevel@...r.kernel.org, ntfs3@...ts.linux.dev,
        linux-btrfs@...r.kernel.org, Jens Axboe <axboe@...nel.dk>
Subject: Re: [Drbd-dev] [PATCH 04/27] drbd: remove assign_p_sizes_qlim

On 09.04.22 06:50, Christoph Hellwig wrote:
> Fold each branch into its only caller.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>   drivers/block/drbd/drbd_main.c | 47 +++++++++++++++-------------------
>   1 file changed, 20 insertions(+), 27 deletions(-)
> 
> diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
> index 9676a1d214bc5..1262fe1c33618 100644
> --- a/drivers/block/drbd/drbd_main.c
> +++ b/drivers/block/drbd/drbd_main.c
> @@ -903,31 +903,6 @@ void drbd_gen_and_send_sync_uuid(struct drbd_peer_device *peer_device)
>   	}
>   }
>   
> -/* communicated if (agreed_features & DRBD_FF_WSAME) */
> -static void
> -assign_p_sizes_qlim(struct drbd_device *device, struct p_sizes *p,
> -					struct request_queue *q)
> -{
> -	if (q) {
> -		p->qlim->physical_block_size = cpu_to_be32(queue_physical_block_size(q));
> -		p->qlim->logical_block_size = cpu_to_be32(queue_logical_block_size(q));
> -		p->qlim->alignment_offset = cpu_to_be32(queue_alignment_offset(q));
> -		p->qlim->io_min = cpu_to_be32(queue_io_min(q));
> -		p->qlim->io_opt = cpu_to_be32(queue_io_opt(q));
> -		p->qlim->discard_enabled = blk_queue_discard(q);
> -		p->qlim->write_same_capable = 0;
> -	} else {
> -		q = device->rq_queue;
> -		p->qlim->physical_block_size = cpu_to_be32(queue_physical_block_size(q));
> -		p->qlim->logical_block_size = cpu_to_be32(queue_logical_block_size(q));
> -		p->qlim->alignment_offset = 0;
> -		p->qlim->io_min = cpu_to_be32(queue_io_min(q));
> -		p->qlim->io_opt = cpu_to_be32(queue_io_opt(q));
> -		p->qlim->discard_enabled = 0;
> -		p->qlim->write_same_capable = 0;
> -	}
> -}
> -
>   int drbd_send_sizes(struct drbd_peer_device *peer_device, int trigger_reply, enum dds_flags flags)
>   {
>   	struct drbd_device *device = peer_device->device;
> @@ -957,14 +932,32 @@ int drbd_send_sizes(struct drbd_peer_device *peer_device, int trigger_reply, enu
>   		q_order_type = drbd_queue_order_type(device);
>   		max_bio_size = queue_max_hw_sectors(q) << 9;
>   		max_bio_size = min(max_bio_size, DRBD_MAX_BIO_SIZE);
> -		assign_p_sizes_qlim(device, p, q);
> +		p->qlim->physical_block_size =
> +			cpu_to_be32(queue_physical_block_size(q));
> +		p->qlim->logical_block_size =
> +			cpu_to_be32(queue_logical_block_size(q));
> +		p->qlim->alignment_offset =
> +			cpu_to_be32(queue_alignment_offset(q));
> +		p->qlim->io_min = cpu_to_be32(queue_io_min(q));
> +		p->qlim->io_opt = cpu_to_be32(queue_io_opt(q));
> +		p->qlim->discard_enabled = blk_queue_discard(q);
>   		put_ldev(device);
>   	} else {
> +		struct request_queue *q = device->rq_queue;
> +
> +		p->qlim->physical_block_size =
> +			cpu_to_be32(queue_physical_block_size(q));
> +		p->qlim->logical_block_size =
> +			cpu_to_be32(queue_logical_block_size(q));
> +		p->qlim->alignment_offset = 0;
> +		p->qlim->io_min = cpu_to_be32(queue_io_min(q));
> +		p->qlim->io_opt = cpu_to_be32(queue_io_opt(q));
> +		p->qlim->discard_enabled = 0;
> +
>   		d_size = 0;
>   		u_size = 0;
>   		q_order_type = QUEUE_ORDERED_NONE;
>   		max_bio_size = DRBD_MAX_BIO_SIZE; /* ... multiple BIOs per peer_request */
> -		assign_p_sizes_qlim(device, p, NULL);
>   	}
>   
>   	if (peer_device->connection->agreed_pro_version <= 94)

LGTM now, thanks.

Acked-by: Christoph Böhmwalder <christoph.boehmwalder@...bit.com>