Re: [patch] block: fix up io_poll documentation

Jens Axboe [off-list ref] writes:

On 01/03/2017 03:51 PM, Jeff Moyer wrote:

quoted

/sys/block/<dev>/queue/io_poll is a boolean.  Fix the docs.

Signed-off-by: Jeff Moyer <redacted>

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