1BLK_QUEUE_MAX_SEGMEN(9)          Block Devices         BLK_QUEUE_MAX_SEGMEN(9)
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NAME

6       blk_queue_max_segment_size - set max segment size for blk_rq_map_sg
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SYNOPSIS

9       void blk_queue_max_segment_size(struct request_queue * q,
10                                       unsigned int max_size);
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ARGUMENTS

13       q
14           the request queue for the device
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16       max_size
17           max size of segment in bytes
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DESCRIPTION

20       Enables a low level driver to set an upper limit on the size of a
21       coalesced segment
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24Kernel Hackers Manual 2.6.       November 2011         BLK_QUEUE_MAX_SEGMEN(9)
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