Re: git: 95a4412e3a4d - main - zonectl: Consistently report ZAC conv. zones WP LBA

Would it be helpful for future readers of the code to have a constant defined for these? Instead of 2 “magic” values. 

Regards,
Ronald

Van: Alan Somers <asomers@FreeBSD.org>
Datum: 16 augustus 2026 21:16
Aan: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
CC: voidanix <voidanix@freebsd.org>
Onderwerp: git: 95a4412e3a4d - main - zonectl: Consistently report ZAC conv. zones WP LBA

> 
> 
> The branch main has been updated by asomers:
> 
> URL: https://cgit.FreeBSD.org/src/commit/?id=95a4412e3a4d41b430f298ea2c2a51f8aa119c2c
> 
> commit 95a4412e3a4d41b430f298ea2c2a51f8aa119c2c
> Author:     voidanix 
> AuthorDate: 2026-07-30 23:50:32 +0000
> Commit:     Alan Somers 
> CommitDate: 2026-08-16 19:15:33 +0000
> 
>     zonectl: Consistently report ZAC conv. zones WP LBA
>     
>     On ZAC drives, conventional zones conventionally report a write pointer
>     LBA of 0xffffffffffff. This field is 48 bits wide, unlike ZBC's 64 bits.
>     
>     Recognize both ZAC and ZBC all-ones behaviour in the WRITE POINTER LBA
>     field to indicate non-valid information.
>     
>     Tested by:      fuz
>     Discussed with: fuz, asomers, ken
>     Fixes:          4735ef6196bc ("zonectl: display conventional zones better")
>     MFC after:      2 weeks
>     Sponsored by:   Google Summer Of Code 2026
>     Reviewed by:    asomers
>     Pull Request:   https://github.com/freebsd/freebsd-src/pull/2345
> ---
>  usr.sbin/zonectl/zonectl.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/usr.sbin/zonectl/zonectl.c b/usr.sbin/zonectl/zonectl.c
> index 9dc6ddfd1aae..462353cd58ef 100644
> --- a/usr.sbin/zonectl/zonectl.c
> +++ b/usr.sbin/zonectl/zonectl.c
> @@ -292,7 +292,8 @@ zonectl_print_rz(struct disk_zone_report *report, zone_output_flags out_flags,
>             (uintmax_t)entry->zone_start_lba,
>             field_widths[ZONE_FW_LEN],
>             (uintmax_t)entry->zone_length);
> -       if (entry->write_pointer_lba == 0xffffffffffffffff) {
> +       if (entry->write_pointer_lba == 0xffffffffffff ||
> +           entry->write_pointer_lba == 0xffffffffffffffff) {
>             /*
>              * This value is reported by HDDs for conventional
>              * zones.  It really means "N/A".  Reported it as -1,
> 
> 
> 
> 
>