bio_copy_kern man page on Scientific

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BIO_COPY_KERN(9)		 The Linux VFS		      BIO_COPY_KERN(9)

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.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		      BIO_COPY_KERN(9)
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