blk_queue_max_hw_sectors(9)

1BLK_QUEUE_MAX_HW_SEC(9)          Block Devices         BLK_QUEUE_MAX_HW_SEC(9)
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NAME

6       blk_queue_max_hw_sectors - set max sectors for a request for this queue
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9       void blk_queue_max_hw_sectors(struct request_queue * q,
10                                     unsigned int max_hw_sectors);
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13       q
14           the request queue for the device
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16       max_hw_sectors
17           max hardware sectors in the usual 512b unit
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20       See description for blk_limits_max_hw_sectors.
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23Kernel Hackers Manual 2.6.         June 2019           BLK_QUEUE_MAX_HW_SEC(9)