From: Eric Biggers <ebiggers@xxxxxxxxxx> /sys/block/<disk>/queue/virt_boundary_mask is completely undocumented. Document it. Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> --- Documentation/ABI/stable/sysfs-block | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/ABI/stable/sysfs-block b/Documentation/ABI/stable/sysfs-block index 288626e8cb532..8dd3e84a8aade 100644 --- a/Documentation/ABI/stable/sysfs-block +++ b/Documentation/ABI/stable/sysfs-block @@ -544,6 +544,18 @@ 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 memory alignment mask for + the block device. I/O requests to this device will be split + between segments wherever either the memory address of the end + of the previous segment or the memory address of 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
