Re: [PATCHSET v3 0/30] blk-mq driver conversions and legacy path removal

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On Wed, Oct 31, 2018 at 11:58:52AM -0600, Jens Axboe wrote:
> This patch series converts the remaining drivers to blk-mq. SCSI
> supports both paths, this removes the legacy IO path from SCSI. At the
> end, legacy IO code and schedulers are killed off.
> 
> I'm not aware of any issues with this series.
> 
> This patch series is on top of current -git. It can also be bound in
> my mq-conversions branch.
> 
> Changes since v2:
> 
> - Kill q->softirq_done_fn()
> 
> Changes since v1:
> 
> - Fix removed q->mq_ops non-NULL check in wbt_enable_default()
> - Remove spurious return in ide-io.c:ide_timer_expiry()
> - Dropped DM legacy path removal patch, now in mainline
> - Dropped ib_srp patch, now in mainline
> - Fixed a missing port unlock in IDE
> - Add SCSI ufs to the BSG conversions
> - Add patch to remove bsg-lib queue hook dependencies
> - Fixed missing clear of IO contexts
> - Added blk-mq backend for blk_lld_busy()
> 
>  Documentation/block/biodoc.txt         |   88 -
>  Documentation/block/cfq-iosched.txt    |  291 --
>  Documentation/scsi/scsi-parameters.txt |    5 -
>  block/Kconfig                          |    6 -
>  block/Kconfig.iosched                  |   61 -
>  block/Makefile                         |    5 +-
>  block/bfq-iosched.c                    |    1 -
>  block/blk-cgroup.c                     |   55 -
>  block/blk-core.c                       | 1836 +-----------
>  block/blk-exec.c                       |   20 +-
>  block/blk-flush.c                      |  154 +-
>  block/blk-ioc.c                        |   33 +-
>  block/blk-merge.c                      |   35 +-
>  block/blk-mq-debugfs.c                 |    2 -
>  block/blk-mq-tag.c                     |    6 +-
>  block/blk-mq.c                         |   30 +-
>  block/blk-settings.c                   |   55 -
>  block/blk-softirq.c                    |   24 +-
>  block/blk-sysfs.c                      |   39 +-
>  block/blk-tag.c                        |  378 ---
>  block/blk-timeout.c                    |   99 +-
>  block/blk-wbt.c                        |    3 +-
>  block/blk.h                            |   60 +-
>  block/bsg-lib.c                        |  146 +-
>  block/cfq-iosched.c                    | 4916 --------------------------------
>  block/deadline-iosched.c               |  560 ----
>  block/elevator.c                       |  447 +--
>  block/kyber-iosched.c                  |    1 -
>  block/mq-deadline.c                    |    1 -
>  block/noop-iosched.c                   |  124 -
>  drivers/block/sunvdc.c                 |  149 +-
>  drivers/ide/ide-atapi.c                |   25 +-
>  drivers/ide/ide-cd.c                   |  175 +-
>  drivers/ide/ide-disk.c                 |    5 +-
>  drivers/ide/ide-io.c                   |  100 +-
>  drivers/ide/ide-park.c                 |    4 +-
>  drivers/ide/ide-pm.c                   |   28 +-
>  drivers/ide/ide-probe.c                |   68 +-
>  drivers/memstick/core/ms_block.c       |  110 +-
>  drivers/memstick/core/ms_block.h       |    1 +
>  drivers/memstick/core/mspro_block.c    |  121 +-
>  drivers/s390/block/dasd_ioctl.c        |   22 +-
>  drivers/scsi/Kconfig                   |   12 -
>  drivers/scsi/cxlflash/main.c           |    6 -
>  drivers/scsi/hosts.c                   |   29 +-
>  drivers/scsi/lpfc/lpfc_scsi.c          |    2 +-
>  drivers/scsi/osd/osd_initiator.c       |    4 +-
>  drivers/scsi/osst.c                    |    2 +-
>  drivers/scsi/qedi/qedi_main.c          |    3 +-
>  drivers/scsi/qla2xxx/qla_os.c          |   30 +-
>  drivers/scsi/scsi.c                    |    5 +-
>  drivers/scsi/scsi_debug.c              |    3 +-
>  drivers/scsi/scsi_error.c              |    4 +-
>  drivers/scsi/scsi_lib.c                |  599 +---
>  drivers/scsi/scsi_priv.h               |    1 -
>  drivers/scsi/scsi_scan.c               |   10 +-
>  drivers/scsi/scsi_sysfs.c              |    8 +-
>  drivers/scsi/scsi_transport_fc.c       |   71 +-
>  drivers/scsi/scsi_transport_iscsi.c    |    7 +-
>  drivers/scsi/scsi_transport_sas.c      |   10 +-
>  drivers/scsi/sg.c                      |    2 +-
>  drivers/scsi/st.c                      |    2 +-
>  drivers/scsi/ufs/ufs_bsg.c             |    4 +-
>  drivers/scsi/ufs/ufshcd.c              |    6 -
>  drivers/target/target_core_pscsi.c     |    2 +-
>  include/linux/blk-cgroup.h             |  108 -
>  include/linux/blk-mq.h                 |    9 +-
>  include/linux/blkdev.h                 |  179 +-
>  include/linux/bsg-lib.h                |    6 +-
>  include/linux/elevator.h               |   90 +-
>  include/linux/ide.h                    |   13 +-
>  include/linux/init.h                   |    1 -
>  include/scsi/scsi_host.h               |   18 +-
>  include/scsi/scsi_tcq.h                |   14 +-
>  init/do_mounts_initrd.c                |    3 -
>  init/initramfs.c                       |    6 -
>  init/main.c                            |   12 -
>  77 files changed, 837 insertions(+), 10733 deletions(-)

Tested-by: Ming Lei <ming.lei@xxxxxxxxxx>

Thanks,
Ming



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