[PATCH RFT] blspec: support boot /dev/disk0.rootfs to mean boot disk0.rootfs

Sascha Hauer sha at pengutronix.de
Mon Jun 26 03:01:38 PDT 2023


On Mon, Jun 19, 2023 at 04:37:42PM +0200, Ahmad Fatoum wrote:
> boot /dev/disk0.rootfs would always fail:
> 
>   Nothing bootable found on '/dev/disk0.rootfs'
>   Nothing bootable found
> 
> boot /mnt/disk0.rootfs and boot disk0.rootfs would however work.
> This can be surprising to users, so just skip over /dev if supplied.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> ---
> I am not sure why this wasn't the case before. Any ambiguity in doing it
> this way? Change still needs to be tested.
> ---
>  common/blspec.c | 3 +++
>  1 file changed, 3 insertions(+)

Applied, thanks

Sascha

> 
> diff --git a/common/blspec.c b/common/blspec.c
> index 8c7970da8915..b70332a54c28 100644
> --- a/common/blspec.c
> +++ b/common/blspec.c
> @@ -782,6 +782,9 @@ int blspec_scan_devicename(struct bootentries *bootentries, const char *devname)
>  
>  	pr_debug("%s: %s\n", __func__, devname);
>  
> +	/* Support both boot /dev/disk0.rootfs and boot disk0.rootfs */
> +	devname += str_has_prefix(devname, "/dev/");
> +
>  	device_detect_by_name(devname);
>  
>  	cdev = cdev_by_name(devname);
> -- 
> 2.39.2
> 
> 
> 

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