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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>
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@ -261,6 +261,12 @@ For block drivers that support REQ_OP_WRITE_ZEROES, the maximum number of
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bytes that can be zeroed at once. The value 0 means that REQ_OP_WRITE_ZEROES
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is not supported.
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zone_append_max_bytes (RO)
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--------------------------
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This is the maximum number of bytes that can be written to a sequential
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zone of a zoned block device using a zone append write operation
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(REQ_OP_ZONE_APPEND). This value is always 0 for regular block devices.
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zoned (RO)
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----------
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This indicates if the device is a zoned block device and the zone model of the
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