[PATCH v2 6/8] docs: sysfs-block: document virt_boundary_mask
From: Eric Biggers <ebiggers@kernel.org>
Date: 2021-12-08 00:57:41
Also in:
linux-block, lkml
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
From: Eric Biggers <redacted> /sys/block/<disk>/queue/virt_boundary_mask is completely undocumented. Document it. Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Eric Biggers <redacted> --- 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@vger.kernel.org +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@vger.kernel.org
--
2.34.1