describe new multipath policy min-latency of the RTRS client. Signed-off-by: Gioh Kim <gi-oh.kim@xxxxxxxxx> Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxx> --- Documentation/ABI/testing/sysfs-class-rtrs-client | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-class-rtrs-client b/Documentation/ABI/testing/sysfs-class-rtrs-client index 0f7165aab251..49a4157c7bf1 100644 --- a/Documentation/ABI/testing/sysfs-class-rtrs-client +++ b/Documentation/ABI/testing/sysfs-class-rtrs-client @@ -34,6 +34,9 @@ Description: Multipath policy specifies which path should be selected on each IO min-inflight (1): select path with minimum inflights. + min-latency (2): + select path with minimum latency. + What: /sys/class/rtrs-client/<session-name>/paths/ Date: Feb 2020 KernelVersion: 5.7 @@ -95,6 +98,15 @@ KernelVersion: 5.7 Contact: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx> Danil Kipnis <danil.kipnis@xxxxxxxxxxxxxxx> Description: RO, Contains the destination address of the path +What: /sys/class/rtrs-client/<session-name>/paths/<src@dst>/cur_latency +Date: Feb 2020 +KernelVersion: 5.7 +Contact: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx> Danil Kipnis <danil.kipnis@xxxxxxxxxxxxxxx> +Description: RO, Contains the latency time calculated by the heart-beat messages. + Whenever the client sends heart-beat message, it checks the time gap + between sending the heart-beat message and receiving the ACK. + This value can be changed regularly. + What: /sys/class/rtrs-client/<session-name>/paths/<src@dst>/stats/reset_all Date: Feb 2020 KernelVersion: 5.7 -- 2.25.1
