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 -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html