On Tue, Apr 27, 2021 at 9:00 PM Jason Gunthorpe <jgg@xxxxxxxx> wrote: > > On Wed, Apr 14, 2021 at 06:59:59AM +0200, Gioh Kim wrote: > > On Wed, Apr 14, 2021 at 12:47 AM Jason Gunthorpe <jgg@xxxxxxxxxx> wrote: > > > > > > On Wed, Apr 07, 2021 at 01:34:40PM +0200, Gioh Kim wrote: > > > > This patch set introduces new multipath policy 'min-latency'. > > > > The latency is a 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. So this value > > > > can be changed regularly. > > > > If client has multi-path, it can send IO via a path having the least > > > > latency. > > > > > > > > V3->V2: use sysfs_emit instead of scnprintf > > > > V2->V1: use sysfs_emit instead of sprintf > > > > > > > > Gioh Kim (3): > > > > RDMA/rtrs-clt: Add a minimum latency multipath policy > > > > RDMA/rtrs-clt: new sysfs attribute to print the latency of each path > > > > Documentation/ABI/rtrs-clt: Add descriptions for min-latency policy > > > > > > Applied to for-next, thanks > > > > > > Please be mindful about the subjects, rdma subject start with a > > > capital letter after the tag > > > > > > > Md Haris Iqbal (1): > > > > RDMA/rtrs-clt: Check state of the rtrs_clt_sess before reading its > > > > stats > > > > > > This one was replaced by that other patch > > > > Hi Jason, > > > > "RDMA/rtrs-clt: Check state of the rtrs_clt_sess before reading its stats" > > This patch is still necessary. Please apply that patch. > > > > As I wrote in the description of patch > > "RDMA/rtrs-clt: destroy sysfs after removing session from active list", > > each function still should check the session status because closing > > or error recovery paths can change the status. > > > > For example, the client sends the heart-beat and does not get the > > response, it changes the session status and stops IO processing. > > It is ok if the status is changed after checking status because > > the error recovery path does not free memory and only tries to > > reconnection. > > > > And closing the session changes the session status and flush all IO, > > and then free memory. > > You need to resend it with out the oops message, a patch like this > cannot be correctly fixing an oops like it presents. Confirm you do > not have the oops now that the other patch is merged. Yes, that oops is prevented by another patch. I will change the commit message and send it to you. > > Please explain carefully what it is trying to do Ok, I will. > > Jason