scsi: scsi_debug: Add ZBC module parameter
Add the zbc module parameter to take either: 0: none (probably a conventional disk) 1: host-aware 2: host-managed These values are chosen to match 'enum blk_zoned_model' found in include/linux/blkdev.h . Instead of "none", "no" or "0" can be given. Instead of "host-aware", "aware or "1" can be given. Instead of "host-managed", "managed" or "2" can be given. Note: the zbc parameter can only be given at driver/module load time; it cannot be changed via sysfs thereafter. At this time there is no ZBC "host-aware" implementation so that string (or the value '1') results in a modprobe error. Link: https://lore.kernel.org/r/20200422104221.378203-4-damien.lemoal@wdc.comSigned-off-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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