Re: [PATCH 11/18] block: parse partition table on block device registration

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Hi Ahmad,

again a small typo:

On Wed, May 31 2023 at 16:59 +0200, Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> wrote:
> Every instance where we register a block device, it's followed by an

s/device, it's/device is/

Best regards
Ulrich


> attempt to parse the partition table, most often with a warning when
> it fails. Thus let's move partition table parsing into
> blockdevice_register.
>
> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
> ---
>  arch/sandbox/board/hostfile.c | 4 ----
>  common/block.c                | 6 ++++++
>  drivers/ata/disk_ata_drive.c  | 5 -----
>  drivers/block/efi-block-io.c  | 9 +--------
>  drivers/block/virtio_blk.c    | 8 +-------
>  drivers/mci/mci-core.c        | 6 ------
>  drivers/nvme/host/core.c      | 5 -----
>  drivers/usb/storage/usb.c     | 5 -----
>  8 files changed, 8 insertions(+), 40 deletions(-)
>
> diff --git a/arch/sandbox/board/hostfile.c b/arch/sandbox/board/hostfile.c
> index d0f400787d7a..a1ab06b87770 100644
> --- a/arch/sandbox/board/hostfile.c
> +++ b/arch/sandbox/board/hostfile.c
> @@ -166,10 +166,6 @@ static int hf_probe(struct device *dev)
>  		if (err)
>  			return err;
>  
> -		err = parse_partition_table(&priv->blk);
> -		if (err)
> -			dev_warn(dev, "No partition table found\n");
> -
>  		dev_info(dev, "registered as block device\n");
>  	} else {
>  		cdev->name = np->name;
> diff --git a/common/block.c b/common/block.c
> index c39269d3a692..98adcfdf3dab 100644
> --- a/common/block.c
> +++ b/common/block.c
> @@ -6,6 +6,7 @@
>   */
>  #include <common.h>
>  #include <block.h>
> +#include <disks.h>
>  #include <malloc.h>
>  #include <linux/err.h>
>  #include <linux/list.h>
> @@ -408,6 +409,11 @@ int blockdevice_register(struct block_device *blk)
>  
>  	cdev_create_default_automount(&blk->cdev);
>  
> +	/* Lack of partition table is unusual, but not a failure */
> +	ret = parse_partition_table(blk);
> +	if (ret)
> +		dev_warn(blk->dev, "No partition table found\n");
> +
>  	return 0;
>  }
>  
> diff --git a/drivers/ata/disk_ata_drive.c b/drivers/ata/disk_ata_drive.c
> index c1c736a0a88a..2d97710b827a 100644
> --- a/drivers/ata/disk_ata_drive.c
> +++ b/drivers/ata/disk_ata_drive.c
> @@ -254,11 +254,6 @@ static int ata_port_init(struct ata_port *port)
>  
>  	dev_info(dev, "registered /dev/%s\n", port->blk.cdev.name);
>  
> -	/* create partitions on demand */
> -	rc = parse_partition_table(&port->blk);
> -	if (rc != 0)
> -		dev_warn(dev, "No partition table found\n");
> -
>  	return 0;
>  
>  on_error:
> diff --git a/drivers/block/efi-block-io.c b/drivers/block/efi-block-io.c
> index eb4981e86298..7162106ab8ea 100644
> --- a/drivers/block/efi-block-io.c
> +++ b/drivers/block/efi-block-io.c
> @@ -12,7 +12,6 @@
>  #include <fcntl.h>
>  #include <efi.h>
>  #include <block.h>
> -#include <disks.h>
>  #include <efi/efi-payload.h>
>  #include <efi/efi-device.h>
>  #include <bootsource.h>
> @@ -184,16 +183,10 @@ static int efi_bio_probe(struct efi_device *efidev)
>  
>  	priv->media_id = media->media_id;
>  
> -	ret = blockdevice_register(&priv->blk);
> -	if (ret)
> -		return ret;
> -
>  	if (efi_get_bootsource() == efidev)
>  		bootsource_set_raw_instance(instance);
>  
> -	parse_partition_table(&priv->blk);
> -
> -	return 0;
> +	return blockdevice_register(&priv->blk);
>  }
>  
>  static struct efi_driver efi_bio_driver = {
> diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
> index 660f3a7b6b9b..11e52d9e6457 100644
> --- a/drivers/block/virtio_blk.c
> +++ b/drivers/block/virtio_blk.c
> @@ -105,13 +105,7 @@ static int virtio_blk_probe(struct virtio_device *vdev)
>  	priv->blk.num_blocks = cap;
>  	priv->blk.ops = &virtio_blk_ops;
>  
> -	ret = blockdevice_register(&priv->blk);
> -	if (ret)
> -		return ret;
> -
> -	parse_partition_table(&priv->blk);
> -
> -	return 0;
> +	return blockdevice_register(&priv->blk);
>  }
>  
>  static void virtio_blk_remove(struct virtio_device *vdev)
> diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c
> index 6d0d6473770c..32edd5382386 100644
> --- a/drivers/mci/mci-core.c
> +++ b/drivers/mci/mci-core.c
> @@ -1900,12 +1900,6 @@ static int mci_register_partition(struct mci_part *part)
>  		return 0;
>  	}
>  
> -	rc = parse_partition_table(&part->blk);
> -	if (rc != 0) {
> -		/* Lack of partition table is unusual, but not a failure */
> -		dev_warn(&mci->dev, "No partition table found\n");
> -	}
> -
>  	if (np) {
>  		of_parse_partitions(&part->blk.cdev, np);
>  
> diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
> index bf9176ce0922..79a5f9325ef8 100644
> --- a/drivers/nvme/host/core.c
> +++ b/drivers/nvme/host/core.c
> @@ -1,6 +1,5 @@
>  // SPDX-License-Identifier: GPL-2.0-only
>  #include <common.h>
> -#include <disks.h>
>  
>  #include "nvme.h"
>  
> @@ -373,10 +372,6 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
>  		goto out_free_id;
>  	}
>  
> -	ret = parse_partition_table(&ns->blk);
> -	if (ret)
> -		dev_warn(ctrl->dev, "No partition table found\n");
> -
>  	return;
>  out_free_id:
>  	kfree(id);
> diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
> index 103ae293a3a4..dda713196071 100644
> --- a/drivers/usb/storage/usb.c
> +++ b/drivers/usb/storage/usb.c
> @@ -420,11 +420,6 @@ static int usb_stor_add_blkdev(struct us_data *us, unsigned char lun)
>  		goto BadDevice;
>  	}
>  
> -	/* create partitions on demand */
> -	result = parse_partition_table(&pblk_dev->blk);
> -	if (result != 0)
> -		dev_warn(dev, "No partition table found\n");
> -
>  	list_add_tail(&pblk_dev->list, &us->blk_dev_list);
>  	dev_dbg(dev, "USB disk device successfully added\n");
-- 
Pengutronix e.K.                           | Ulrich Ölmann               |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |





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