Re: [patch] block: fix up io_poll documentation

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Jens Axboe <axboe@xxxxxxxxx> writes:

> 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 <jmoyer@xxxxxxxxxx>
>> 
>> 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.

Right.  It's probably time to create an mq-sysfs.txt file.

-Jeff
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