From: Eric Biggers <ebiggers@xxxxxxxxxx> /sys/block/<disk>/queue/virt_boundary_mask is completely undocumented. Document it. Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Reviewed-by: Hannes Reinecke <hare@xxxxxxx> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> --- Documentation/ABI/stable/sysfs-block | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/ABI/stable/sysfs-block b/Documentation/ABI/stable/sysfs-block index 30ce8dc587bb2..e988742a54a4c 100644 --- a/Documentation/ABI/stable/sysfs-block +++ b/Documentation/ABI/stable/sysfs-block @@ -537,6 +537,17 @@ Description: CONFIG_BLK_DEV_THROTTLING_LOW is enabled. +What: /sys/block/<disk>/queue/virt_boundary_mask +Date: April 2021 +Contact: linux-block@xxxxxxxxxxxxxxx +Description: + [RO] This file shows the I/O segment alignment mask for the + block device. I/O requests to this device will be split between + segments wherever either the end of the previous segment or the + beginning of the current segment is not aligned to + virt_boundary_mask + 1 bytes. + + What: /sys/block/<disk>/queue/wbt_lat_usec Date: November 2016 Contact: linux-block@xxxxxxxxxxxxxxx -- 2.34.1
