diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-block | 9 | ||||
| -rw-r--r-- | Documentation/block/queue-sysfs.rst | 7 |
2 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block index ed8c14f161ee..f151d9cf90de 100644 --- a/Documentation/ABI/testing/sysfs-block +++ b/Documentation/ABI/testing/sysfs-block @@ -273,6 +273,15 @@ Description: device ("host-aware" or "host-managed" zone model). For regular block devices, the value is always 0. +What: /sys/block/<disk>/queue/max_open_zones +Date: July 2020 +Contact: Niklas Cassel <niklas.cassel@wdc.com> +Description: + For zoned block devices (zoned attribute indicating + "host-managed" or "host-aware"), the sum of zones belonging to + any of the zone states: EXPLICIT OPEN or IMPLICIT OPEN, + is limited by this value. If this value is 0, there is no limit. + What: /sys/block/<disk>/queue/chunk_sectors Date: September 2016 Contact: Hannes Reinecke <hare@suse.com> diff --git a/Documentation/block/queue-sysfs.rst b/Documentation/block/queue-sysfs.rst index 6a8513af9201..f01cf8530ae4 100644 --- a/Documentation/block/queue-sysfs.rst +++ b/Documentation/block/queue-sysfs.rst @@ -117,6 +117,13 @@ Maximum number of elements in a DMA scatter/gather list with integrity data that will be submitted by the block layer core to the associated block driver. +max_open_zones (RO) +------------------- +For zoned block devices (zoned attribute indicating "host-managed" or +"host-aware"), the sum of zones belonging to any of the zone states: +EXPLICIT OPEN or IMPLICIT OPEN, is limited by this value. +If this value is 0, there is no limit. + max_sectors_kb (RW) ------------------- This is the maximum number of kilobytes that the block layer will allow |