diff options
| author |   Damien Le Moal <damien.lemoal@wdc.com> | 2021-01-28 13:47:26 +0900 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-02-10 07:44:40 -0700 |
| commit | f1836426cea77fad342aa74bec8bf489a5d64b27 (patch) | |
| tree | 749357b76cefc4c279e366a6e6480b126032ce11 /Documentation/block | |
| parent | block: use bi_max_vecs to find the bvec pool (diff) | |
| download | wireguard-linux-f1836426cea77fad342aa74bec8bf489a5d64b27.tar.xz wireguard-linux-f1836426cea77fad342aa74bec8bf489a5d64b27.zip | |
block: document zone_append_max_bytes attribute
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>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@edc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'Documentation/block')
| -rw-r--r-- | Documentation/block/queue-sysfs.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/block/queue-sysfs.rst b/Documentation/block/queue-sysfs.rst index 2638d3446b79..edc6e6960b96 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 |