Re: [PATCH] vhost-scsi: Depend on NET for memcpy_fromiovec

[Joe Perches <joe@perches.com>]

On Thu, 2013-05-16 at 13:04 +0930, Rusty Russell wrote:
> Asias He <asias@redhat.com> writes:
> > On Wed, May 15, 2013 at 02:47:53PM +0930, Rusty Russell wrote:
[]
> > Other users are using memcpy_fromiovec and friends outside net. It seems
> > a good idea to put it in a util library. e.g.  crypto/algif_skcipher.c
> > which also depends on NET for it.

[]
> Subject: Hoist memcpy_fromiovec into lib/

You'll need the "friends" memcpy_toiovec too.

$ git grep -E \bmemcpy\w+iovec\w*"
crypto/algif_hash.c:    err = memcpy_toiovec(msg->msg_iov, ctx->result, len);
crypto/algif_skcipher.c:                        err = memcpy_fromiovec(page_address(sg_page(sg)) +
crypto/algif_skcipher.c:                        err = memcpy_fromiovec(page_address(sg_page(sg + i)),
drivers/dma/iovlock.c:#include <net/tcp.h> /* for memcpy_toiovec */
drivers/dma/iovlock.c:          return memcpy_toiovec(iov, kdata, len);
drivers/dma/iovlock.c:          err = memcpy_toiovec(iov, vaddr + offset, len);
drivers/isdn/mISDN/socket.c:    if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) {
drivers/misc/vmw_vmci/vmci_queue_pair.c:                        err = memcpy_fromiovec((u8 *)va + page_o
drivers/misc/vmw_vmci/vmci_queue_pair.c:                        err = memcpy_toiovec(iov, (u8 *)va + pag