Damien Le Moal <damien.lemoal@xxxxxxx> writes:
> diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block
> index 75a5055..ee2d5cd 100644
> --- a/Documentation/ABI/testing/sysfs-block
> +++ b/Documentation/ABI/testing/sysfs-block
> @@ -251,3 +251,16 @@ Description:
> since drive-managed zoned block devices do not support
> zone commands, they will be treated as regular block
> devices and zoned will report "none".
> +
> +What: /sys/block/<disk>/queue/chunk_sectors
> +Date: September 2016
> +Contact: Hannes Reinecke <hare@xxxxxxxx>
> +Description:
> + chunk_sectors has different meaning depending on the type
> + of the disk. For a RAID device (dm-raid), chunk_sectors
> + indicates the size in 512B sectors of the RAID volume
> + stripe segment. For a zoned block device, either
> + host-aware or host-managed, chunk_sectors indicates the
> + size of 512B sectors of the zones of the device, with
^^
in
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