On Thu, 2018-11-29 at 00:54 +0800, Weiping Zhang wrote: > add documentation for /sys/block/<disk>/queue/io_timeout > > Signed-off-by: Weiping Zhang <[email protected]> > --- > Documentation/ABI/testing/sysfs-block | 9 +++++++++ > Documentation/block/queue-sysfs.txt | 6 ++++++ > 2 files changed, 15 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-block > b/Documentation/ABI/testing/sysfs-block > index dea212db9df3..f37c0000ca16 100644 > --- a/Documentation/ABI/testing/sysfs-block > +++ b/Documentation/ABI/testing/sysfs-block > @@ -271,3 +271,12 @@ Description: > size of 512B sectors of the zones of the device, with > the eventual exception of the last zone of the device > which may be smaller. > + > +What: /sys/block/<disk>/queue/io_timeout > +Date: November 2018 > +Contact: Weiping Zhang <[email protected]> > +Description: > + io_timeout is the timeout in millisecods of a request in > + block layer. The block layer will start a timer when low > + level device driver start the request, and cancle timer > + when request completes. > diff --git a/Documentation/block/queue-sysfs.txt > b/Documentation/block/queue-sysfs.txt > index 2c1e67058fd3..cbd44fe056fa 100644 > --- a/Documentation/block/queue-sysfs.txt > +++ b/Documentation/block/queue-sysfs.txt > @@ -67,6 +67,12 @@ If set to a value larger than 0, the kernel will put the > process issuing > IO to sleep for this amont of microseconds before entering classic > polling. > > +io_timeout (RW) > +--------------- > +This is the timeout in millisecods of a request in block layer. > +The block layer will start a timer when low level device driver start > +the request, and cancle timer when request completes. > + > iostats (RW) > ------------- > This file is used to control (on/off) the iostats accounting of the
Please run this patch through a spelling checker. I think "millisecods" should be changed into "milliseconds" and also that "cancle" should be changed into "cancel". Thanks, Bart.
