1BLK_QUEUE_UPDATE_DMA(9)          Block Devices         BLK_QUEUE_UPDATE_DMA(9)
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NAME

6       blk_queue_update_dma_pad - update pad mask
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SYNOPSIS

9       void blk_queue_update_dma_pad(struct request_queue * q,
10                                     unsigned int mask);
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ARGUMENTS

13       q
14           the request queue for the device
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16       mask
17           pad mask
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DESCRIPTION

20       Update dma pad mask.
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22       Appending pad buffer to a request modifies the last entry of a scatter
23       list such that it includes the pad buffer.
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26Kernel Hackers Manual 3.10         June 2019           BLK_QUEUE_UPDATE_DMA(9)
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