Re: [PATCH v2 05/12] blk-mq-debugfs: rename hw queue directories from <n> to hctx<n>

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 05/04/2017 09:31 AM, Omar Sandoval wrote:
> From: Omar Sandoval <osandov@xxxxxx>
> 
> It's not clear what these numbered directories represent unless you
> consult the code. We're about to get rid of the intermediate "mq"
> directory, so these would be even more confusing without that context.
> 
> Signed-off-by: Omar Sandoval <osandov@xxxxxx>
> ---
>  block/blk-mq-debugfs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
> index 109ae9f3d400..2eae3238fb35 100644
> --- a/block/blk-mq-debugfs.c
> +++ b/block/blk-mq-debugfs.c
> @@ -936,7 +936,7 @@ static int blk_mq_debugfs_register_hctx(struct request_queue *q,
>  	char name[20];
>  	int i;
>  
> -	snprintf(name, sizeof(name), "%u", hctx->queue_num);
> +	snprintf(name, sizeof(name), "hctx%u", hctx->queue_num);
>  	hctx_dir = debugfs_create_dir(name, q->mq_debugfs_dir);
>  	if (!hctx_dir)
>  		return -ENOMEM;
> 
Hmm. The number actually corresponds to /sys/block/XX/mq/<num>
With this patch we would break this mapping, no?

I'd rather keep it in sync with /sys/block ...

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@xxxxxxx			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)



[Index of Archives]     [Linux RAID]     [Linux SCSI]     [Linux ATA RAID]     [IDE]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Device Mapper]

  Powered by Linux