SYNOPSIS
- struct bio * bio_copy_kern(struct request_queue * q, void * data, unsigned int len, gfp_t gfp_mask, int reading);
ARGUMENTS
q
-
- the struct request_queue for the bio
data
- pointer to buffer to copy
len
- length in bytes
gfp_mask
- allocation flags for bio and page allocation
reading
- data direction is READ
DESCRIPTION
copy the kernel address into a bio suitable for io to a block device. Returns an error pointer in case of error.
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