[0/8] Enable zoned write pipelining for UFS devices

Message

Bart Van Assche Jan. 9, 2023, 11:27 p.m. UTC

Hi Jens,

This patch series improves write performance for zoned UFS devices that
implement the host-managed (sequential write required) model. Please consider
these patches for the next merge window.

Thanks,

Bart.

Bart Van Assche (8):
  block: Document blk_queue_zone_is_seq() and blk_rq_zone_is_seq()
  block: Introduce the blk_rq_is_seq_zone_write() function
  block: Introduce a request queue flag for pipelining zoned writes
  block/mq-deadline: Only use zone locking if necessary
  block/null_blk: Refactor null_queue_rq()
  block/null_blk: Add support for pipelining zoned writes
  scsi: Retry unaligned zoned writes
  scsi: ufs: Enable zoned write pipelining

 block/blk-zoned.c                 |  3 ++-
 block/mq-deadline.c               | 14 +++++++++-----
 drivers/block/null_blk/main.c     | 30 ++++++++++++++++++++----------
 drivers/block/null_blk/null_blk.h |  3 +++
 drivers/block/null_blk/zoned.c    | 13 ++++++++++++-
 drivers/scsi/scsi_error.c         |  7 +++++++
 drivers/scsi/sd.c                 |  3 +++
 drivers/ufs/core/ufshcd.c         |  1 +
 include/linux/blk-mq.h            | 30 ++++++++++++++++++++++++++++++
 include/linux/blkdev.h            | 16 ++++++++++++++++
 10 files changed, 103 insertions(+), 17 deletions(-)