On 01/03/2017 03:51 PM, Jeff Moyer wrote:
> 
> /sys/block/<dev>/queue/io_poll is a boolean.  Fix the docs.
> 
> Signed-off-by: Jeff Moyer <jmo...@redhat.com>
> 
> diff --git a/Documentation/block/queue-sysfs.txt 
> b/Documentation/block/queue-sysfs.txt
> index 5164215..c0a3bb5 100644
> --- a/Documentation/block/queue-sysfs.txt
> +++ b/Documentation/block/queue-sysfs.txt
> @@ -54,9 +54,9 @@ This is the hardware sector size of the device, in bytes.
>  
>  io_poll (RW)
>  ------------
> -When read, this file shows the total number of block IO polls and how
> -many returned success.  Writing '0' to this file will disable polling
> -for this device.  Writing any non-zero value will enable this feature.
> +When read, this file shows whether polling is enabled (1) or disabled
> +(0).  Writing '0' to this file will disable polling for this device.
> +Writing any non-zero value will enable this feature.

It seems to be describing the mq hw queue io_poll file description when
read, for the queue/ one it's different. I'll apply the patch, thanks.

-- 
Jens Axboe

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