On Fri, Jan 29, 2021 at 01:02:12PM -0500, Martin K. Petersen wrote: > > Ming, > > > The last four patches changes SCSI for switching to track device queue > > depth via sbitmap. > > > > The patchset have been tested by Broadcom, and obvious performance boost > > can be observed on megaraid_sas. > > This series deadlocks SCSI scanning for me on every system I have in my > test setup (mpt2sas, mpt3sas, megaraid_sas, qla2xxx, lpfc). Martin, thanks for your test. BTW, which tree are you based for applying this patchset? I apply the patchset against for-5.12/block, and run it on kvm with 'megasas' device(LSI MegaRAID SAS 1078), looks it works well, and not see the hang issue. Thanks, Ming
