Re: [PATCH net-next v3 08/10] crypto: af_alg: Support MSG_SPLICE_PAGES

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On Tue, Jun 06, 2023 at 02:08:54PM +0100, David Howells wrote:
> Make AF_ALG sendmsg() support MSG_SPLICE_PAGES.  This causes pages to be
> spliced from the source iterator.
> 
> This allows ->sendpage() to be replaced by something that can handle
> multiple multipage folios in a single transaction.
> 
> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
> cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> cc: Eric Dumazet <edumazet@xxxxxxxxxx>
> cc: Jakub Kicinski <kuba@xxxxxxxxxx>
> cc: Paolo Abeni <pabeni@xxxxxxxxxx>
> cc: Jens Axboe <axboe@xxxxxxxxx>
> cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
> cc: linux-crypto@xxxxxxxxxxxxxxx
> cc: netdev@xxxxxxxxxxxxxxx
> ---
> 
> Notes:
>     ver #3)
>      - Remove BVEC iter restriction when using MSG_SPLICE_PAGES.
> 
>  crypto/af_alg.c         | 24 ++++++++++++++++++++++--
>  crypto/algif_aead.c     | 22 +++++++++++-----------
>  crypto/algif_skcipher.c |  8 ++++----
>  3 files changed, 37 insertions(+), 17 deletions(-)

Acked-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt




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