On 2021/01/28 13:50, Damien Le Moal wrote: > The first patch of this series adds missing documentation of the > zone_append_max_bytes sysfs attribute. > > The following 3 patches are cleanup and preparatory patches for the > introduction of the zone write granularity limit. The goal of these > patches is to have all code setting a device queue zoned model to use > the helper function blk_queue_set_zoned(). The nvme driver, null_blk > driver and the partition code are modified to do so. > > The fourth patch in this series introduces the zone write granularity > queue limit to indicate the alignment constraint for write operations > into sequential zones of zoned block devices. This limit is always set > by default to the device logical block size. The following patch > documents this new limit. > > The last 2 patches introduce the blk_queue_clear_zone_settings() > function and modify the SCSI sd driver to clear the zone related queue > limits and resources of a host-aware zoned disk that is changed to a > regular disk due to the presence of partitions. Hi Jens, Any comment on this series ? Martin, The scsi bits (patch 5 and 8) may need your ack. Thanks ! > > Changes from v3: > * Added pathces 2, 3, 4, 7 and 8 > * Addressed Christoph's comments on patch 5 > > Changes from v2: > * Added patch 3 for zonefs > * Addressed Christoph's comments on patch 1 and added the limit > initialization for zoned nullblk > > Changes from v1: > * Fixed typo in patch 2 > > Damien Le Moal (8): > block: document zone_append_max_bytes attribute > nvme: cleanup zone information initialization > nullb: use blk_queue_set_zoned() to setup zoned devices > block: use blk_queue_set_zoned in add_partition() > block: introduce zone_write_granularity limit > zonefs: use zone write granularity as block size > block: introduce blk_queue_clear_zone_settings() > sd_zbc: clear zone resources for non-zoned case > > Damien Le Moal (8): > block: document zone_append_max_bytes attribute > nvme: cleanup zone information initialization > nullb: use blk_queue_set_zoned() to setup zoned devices > block: use blk_queue_set_zoned in add_partition() > block: introduce zone_write_granularity limit > zonefs: use zone write granularity as block size > block: introduce blk_queue_clear_zone_settings() > sd_zbc: clear zone resources for non-zoned case > > Documentation/block/queue-sysfs.rst | 13 +++++++++ > block/blk-settings.c | 39 +++++++++++++++++++++++++- > block/blk-sysfs.c | 8 ++++++ > block/blk-zoned.c | 17 ++++++++++++ > block/blk.h | 2 ++ > block/partitions/core.c | 2 +- > drivers/block/null_blk/zoned.c | 8 +++--- > drivers/nvme/host/core.c | 11 ++++---- > drivers/nvme/host/zns.c | 11 ++------ > drivers/scsi/sd_zbc.c | 43 ++++++++++++++++++++++++++--- > fs/zonefs/super.c | 9 +++--- > include/linux/blkdev.h | 15 ++++++++++ > 12 files changed, 150 insertions(+), 28 deletions(-) > -- Damien Le Moal Western Digital Research
