tentatively merged pending review and testing (after minor updates to formatting in one patch) buildbot run in progress on these 5 (and also includes Aurelien's small patch) http://smb3-test-rhel-75.southcentralus.cloudapp.azure.com/#/builders/2/builds/665 On Fri, Jun 4, 2021 at 4:13 AM Shyam Prasad N <nspmangalore@xxxxxxxxx> wrote: > > Thanks for the reviews. > > While rebasing older changes, I missed a single line during the > channel add code, which had caused a regression. > Fixed it and merged with the correct patch here: > https://github.com/sprasad-microsoft/smb-kernel-client/pull/5 > > I've also integrated Aurelien's comments into these patches. > Also, I've a couple of minor patches here to fix fscache warnings for > multichannel and to integrate new changes into DebugData. > @Steve French Please use these new patches. > > @Paulo Alcantara That would be great if you can help testing my > changes. Please test with these new changes. > > The super is only used for providing cifs_sb_info::origin_fullpath as key to find the corresponding failover targets in referral cache. > I'm wondering what would happen if there are multiple tcons to the > same origin_fullpath (possibly in different sessions)? > Also, doesn't failover targets apply to each channel under a session? > Shouldn't we switch targets on reconnect of secondary channels too? > > On Wed, Jun 2, 2021 at 10:15 PM Paulo Alcantara <pc@xxxxxx> wrote: > > > > Shyam Prasad N <nspmangalore@xxxxxxxxx> writes: > > > > > P.S. There is a logic in cifs_reconnect to switch between the targets > > > for the server. I don't think these changes will break the DFS > > > scenario. The code will likely take effect only for when the primary > > > channel reconnects (as DFS server entries are cached with super block > > > as the key). Perhaps more changes will be needed there to also switch > > > between the targets for individual channels (maybe use superblock + > > > channel num as the key for caching entries?). Folks with better > > > knowledge than me with this code may want to check on this? > > > > I don't think your changes would break it as well. The super is only > > used for providing cifs_sb_info::origin_fullpath as key to find the > > corresponding failover targets in referral cache. > > > > I can help you testing your changes with some DFS+multichannel failover > > scenarios. > > > > -- > Regards, > Shyam -- Thanks, Steve