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block: null: Add documentation for "zone_nr_conv" param
zone_nr_conv module parameter was introduced by a commit ea2c18e1("null_blk: Add conventional zone configuration for zoned support"). This patch describes "zone_nr_conv" module parameter to the document. Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -93,3 +93,7 @@ zoned=[0/1]: Default: 0
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zone_size=[MB]: Default: 256
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Per zone size when exposed as a zoned block device. Must be a power of two.
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zone_nr_conv=[nr_conv]: Default: 0
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The number of conventional zones to create when block device is zoned. If
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zone_nr_conv >= nr_zones, it will be reduced to nr_zones - 1.
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