Query: bio_copy_user
OS: suse
Section: 9
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
BIO_COPY_USER(9) The Linux VFS BIO_COPY_USER(9)NAMEbio_copy_user - copy user data to bioSYNOPSISstruct bio * bio_copy_user(struct request_queue * q, struct rq_map_data * map_data, unsigned long uaddr, unsigned int len, int write_to_vm, gfp_t gfp_mask);ARGUMENTSq destination block queue map_data pointer to the rq_map_data holding pages (if necessary) uaddr start of user address len length in bytes write_to_vm bool indicating writing to pages or not gfp_mask memory allocation flagsDESCRIPTIONPrepares and returns a bio for indirect user io, bouncing data to/from kernel pages as necessary. Must be paired with call bio_uncopy_user on io completion.COPYRIGHTKernel Hackers Manual 2.6. July 2010 BIO_COPY_USER(9)
Related Man Pages |
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copy(9) - freebsd |
copyout(9) - freebsd |
copyin_proc(9) - netbsd |
blk_make_request(9) - suse |
copystr(9) - freebsd |
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