----- Ursprüngliche Mail -----
> Von: "hch" <hch@xxxxxx>
> An: "richard" <richard@xxxxxx>, "anton ivanov" <anton.ivanov@xxxxxxxxxxxxxxxxxx>, "Johannes Berg"
> <johannes@xxxxxxxxxxxxxxxx>, "Jens Axboe" <axboe@xxxxxxxxx>
> CC: "linux-um" <linux-um@xxxxxxxxxxxxxxxxxxx>, "linux-block" <linux-block@xxxxxxxxxxxxxxx>
> Gesendet: Donnerstag, 22. Februar 2024 08:24:12
> Betreff: [PATCH 2/7] ubd: remove ubd_disk_register
> Fold it into the only caller to remove lots of references to the
> global ubd_devs array.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
> arch/um/drivers/ubd_kern.c | 37 +++++++++++++++----------------------
> 1 file changed, 15 insertions(+), 22 deletions(-)
>
> diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
> index b203ebb1785125..ef05157acd6b02 100644
> --- a/arch/um/drivers/ubd_kern.c
> +++ b/arch/um/drivers/ubd_kern.c
> @@ -849,27 +849,6 @@ static const struct attribute_group *ubd_attr_groups[] = {
> NULL,
> };
>
> -static int ubd_disk_register(int major, u64 size, int unit,
> - struct gendisk *disk)
> -{
> - disk->major = major;
> - disk->first_minor = unit << UBD_SHIFT;
> - disk->minors = 1 << UBD_SHIFT;
> - disk->fops = &ubd_blops;
> - set_capacity(disk, size / 512);
> - sprintf(disk->disk_name, "ubd%c", 'a' + unit);
> -
> - ubd_devs[unit].pdev.id = unit;
> - ubd_devs[unit].pdev.name = DRIVER_NAME;
> - ubd_devs[unit].pdev.dev.release = ubd_device_release;
> - dev_set_drvdata(&ubd_devs[unit].pdev.dev, &ubd_devs[unit]);
> - platform_device_register(&ubd_devs[unit].pdev);
> -
> - disk->private_data = &ubd_devs[unit];
> - disk->queue = ubd_devs[unit].queue;
> - return device_add_disk(&ubd_devs[unit].pdev.dev, disk, ubd_attr_groups);
> -}
> -
> #define ROUND_BLOCK(n) ((n + (SECTOR_SIZE - 1)) & (-SECTOR_SIZE))
>
> static const struct blk_mq_ops ubd_mq_ops = {
> @@ -916,7 +895,21 @@ static int ubd_add(int n, char **error_out)
> ubd_dev->queue = disk->queue;
>
> blk_queue_write_cache(ubd_dev->queue, true, false);
> - err = ubd_disk_register(UBD_MAJOR, ubd_dev->size, n, disk);
> + disk->major = UBD_MAJOR;
> + disk->first_minor = n << UBD_SHIFT;
> + disk->minors = 1 << UBD_SHIFT;
> + disk->fops = &ubd_blops;
> + set_capacity(disk, ubd_dev->size / 512);
> + sprintf(disk->disk_name, "ubd%c", 'a' + n);
> + disk->private_data = ubd_dev;
> +
> + ubd_dev->pdev.id = n;
> + ubd_dev->pdev.name = DRIVER_NAME;
> + ubd_dev->pdev.dev.release = ubd_device_release;
> + dev_set_drvdata(&ubd_dev->pdev.dev, ubd_dev);
> + platform_device_register(&ubd_dev->pdev);
> +
> + err = device_add_disk(&ubd_dev->pdev.dev, disk, ubd_attr_groups);
> if (err)
> goto out_cleanup_disk;
>
> --
> 2.39.2
Reviewed-by: Richard Weinberger <richard@xxxxxx>
Thanks,
//richard
