iov_iter: Define flags to qualify page extraction.

Define flags to qualify page extraction to pass into iov_iter_*_pages*()
rather than passing in FOLL_* flags.

For now only a flag to allow peer-to-peer DMA is supported.

Signed-off-by: David Howells <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: John Hubbard <[email protected]>
Reviewed-by: Jens Axboe <[email protected]>
cc: Al Viro <[email protected]>
cc: Logan Gunthorpe <[email protected]>
cc: [email protected]
cc: [email protected]
Signed-off-by: Steve French <[email protected]>

0 files changed, 0 insertions, 0 deletions