BIO_COPY_KERN
Section: The Linux VFS (9)
Updated: February 2011
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NAME
bio_copy_kern - copy kernel address into bio
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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