[PATCH v2 2/2] block: document zone_append_max_bytes attribute
Damien Le Moal
damien.lemoal at wdc.com
Tue Jan 19 08:17:23 EST 2021
The description of the zone_append_max_bytes sysfs queue attribute is
missing from Documentation/block/queue-sysfs.rst. Add it.
Signed-off-by: Damien Le Moal <damien.lemoal at wdc.com>
---
Documentation/block/queue-sysfs.rst | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/block/queue-sysfs.rst b/Documentation/block/queue-sysfs.rst
index c8bf8bc3c03a..4dc7f0d499a8 100644
--- a/Documentation/block/queue-sysfs.rst
+++ b/Documentation/block/queue-sysfs.rst
@@ -261,6 +261,12 @@ For block drivers that support REQ_OP_WRITE_ZEROES, the maximum number of
bytes that can be zeroed at once. The value 0 means that REQ_OP_WRITE_ZEROES
is not supported.
+zone_append_max_bytes (RO)
+--------------------------
+This is the maximum number of bytes that can be written to a sequential
+zone of a zoned block device using a zone append write operation
+(REQ_OP_ZONE_APPEND). This value is always 0 for regular block devices.
+
zoned (RO)
----------
This indicates if the device is a zoned block device and the zone model of the
--
2.29.2
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