On 11/11/19 3:39 AM, Damien Le Moal wrote: > No known partitioning tool supports zoned block devices, especially the > host managed flavor with strong sequential write constraints. > Furthermore, there are also no known user nor use cases for partitioned > zoned block devices. > > This patch removes partition device creation for zoned block devices, > which allows simplifying the processing of zone commands for zoned > block devices. A warning is added if a partition table is found on the > device. > > For report zones operations no zone sector information remapping is > necessary anymore, simplifying the code. Of note is that remapping of > zone reports for DM targets is still necessary as done by > dm_remap_zone_report(). > > Similarly, remaping of a zone reset bio is not necessary anymore. > Testing for the applicability of the zone reset all request also becomes > simpler and only needs to check that the number of sectors of the > requested zone range is equal to the disk capacity. > > Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > --- > block/blk-core.c | 6 +--- > block/blk-zoned.c | 62 ++++++-------------------------- > block/partition-generic.c | 74 +++++---------------------------------- > drivers/md/dm.c | 3 -- > 4 files changed, 21 insertions(+), 124 deletions(-) > Reviewed-by: Hannes Reinecke <hare@xxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 247165 (AG München), GF: Felix Imendörffer
