1BIO_MAP_KERN(9)                  The Linux VFS                 BIO_MAP_KERN(9)
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NAME

6       bio_map_kern - map kernel address into bio
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SYNOPSIS

9       struct bio * bio_map_kern(struct request_queue * q, void * data,
10                                 unsigned int len, gfp_t gfp_mask);
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ARGUMENTS

13       q
14           the struct request_queue for the bio
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16       data
17           pointer to buffer to map
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19       len
20           length in bytes
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22       gfp_mask
23           allocation flags for bio allocation
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DESCRIPTION

26       Map the kernel address into a bio suitable for io to a block device.
27       Returns an error pointer in case of error.
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30Kernel Hackers Manual 3.10         June 2019                   BIO_MAP_KERN(9)
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