On 11/3/25 2:39 PM, Damien Le Moal wrote:
> Modify queue_zone_wplug_show() to include the condition of a zone write
> plug to the zone_wplugs debugfs attribute of a zoned block device.
>
> Signed-off-by: Damien Le Moal <[email protected]>
> Reviewed-by: Christoph Hellwig <[email protected]>
> ---
>   block/blk-zoned.c | 6 ++++--
>   1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/block/blk-zoned.c b/block/blk-zoned.c
> index 8773af89980d..07553bde7b33 100644
> --- a/block/blk-zoned.c
> +++ b/block/blk-zoned.c
> @@ -2293,19 +2293,21 @@ static void queue_zone_wplug_show(struct 
> blk_zone_wplug *zwplug,
>       unsigned int zwp_wp_offset, zwp_flags;
>       unsigned int zwp_zone_no, zwp_ref;
>       unsigned int zwp_bio_list_size;
> +     unsigned int zwp_cond;
>       unsigned long flags;
>   
>       spin_lock_irqsave(&zwplug->lock, flags);
>       zwp_zone_no = zwplug->zone_no;
>       zwp_flags = zwplug->flags;
>       zwp_ref = refcount_read(&zwplug->ref);
> +     zwp_cond = zwplug->cond;
>       zwp_wp_offset = zwplug->wp_offset;
>       zwp_bio_list_size = bio_list_size(&zwplug->bio_list);
>       spin_unlock_irqrestore(&zwplug->lock, flags);
>   
>       seq_printf(m,
> -             "Zone no: %u, flags: 0x%x, ref: %u, wp ofst: %u, pending BIO: 
> %u\n",
> -             zwp_zone_no, zwp_flags, zwp_ref,
> +             "Zone no: %u, flags: 0x%x, ref: %u, cond: 0x%x, wp ofst: %u, 
> pending BIO: %u\n",
> +             zwp_zone_no, zwp_flags, zwp_ref, zwp_cond,
>               zwp_wp_offset, zwp_bio_list_size);
>   }
>   

I'd personally prefer a non-numerical representation of the zone 
condition. This makes quick debugging much easier than having to look up 
the numbers in blkdev.h.

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