[patch] block: fix up io_poll documentation
/sys/block//queue/io_poll is a boolean. Fix the docs. Signed-off-by: Jeff Moyer 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. io_poll_delay (RW) -- -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [patch] block: fix up io_poll documentation
On 01/03/2017 03:51 PM, Jeff Moyer wrote: > > /sys/block//queue/io_poll is a boolean. Fix the docs. > > Signed-off-by: Jeff Moyer > > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [patch] block: fix up io_poll documentation
Jens Axboe writes: > On 01/03/2017 03:51 PM, Jeff Moyer wrote: >> >> /sys/block//queue/io_poll is a boolean. Fix the docs. >> >> Signed-off-by: Jeff Moyer >> >> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html