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From: Damien Le Moal <damien.lemoal@wdc.com>
To: linux-block@vger.kernel.org, Jens Axboe <axboe@kernel.dk>
Cc: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Subject: [PATCH v2 2/2] block: document zone_append_max_bytes attribute
Date: Tue, 19 Jan 2021 18:38:55 +0900	[thread overview]
Message-ID: <20210119093855.1633232-3-damien.lemoal@wdc.com> (raw)
In-Reply-To: <20210119093855.1633232-1-damien.lemoal@wdc.com>

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@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


  parent reply	other threads:[~2021-01-19 14:40 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-19  9:38 [PATCH v2 0/2] block: add zone write granularity limit Damien Le Moal
2021-01-19  9:38 ` [PATCH v2 1/2] block: introduce zone_write_granularity limit Damien Le Moal
2021-01-19  9:38 ` Damien Le Moal [this message]
2021-01-19 13:17 [PATCH v2 0/2] block: add zone write granularity limit Damien Le Moal
2021-01-19 13:17 ` [PATCH v2 2/2] block: document zone_append_max_bytes attribute Damien Le Moal
2021-01-19 13:17   ` Damien Le Moal
2021-01-20 10:10   ` Christoph Hellwig
2021-01-20 10:10     ` Christoph Hellwig

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