block: fix up io_poll documentation

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

Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jeff Moyer 2017-01-03 17:51:33 -05:00 committed by Jens Axboe
parent 9eca53508a
commit 7158339d4c

View File

@ -54,9 +54,9 @@ This is the hardware sector size of the device, in bytes.
io_poll (RW) io_poll (RW)
------------ ------------
When read, this file shows the total number of block IO polls and how When read, this file shows whether polling is enabled (1) or disabled
many returned success. Writing '0' to this file will disable polling (0). Writing '0' to this file will disable polling for this device.
for this device. Writing any non-zero value will enable this feature. Writing any non-zero value will enable this feature.
io_poll_delay (RW) io_poll_delay (RW)
------------------ ------------------